diff --git a/swh/web/browse/utils.py b/swh/web/browse/utils.py index 3483d7a1..16f3ae78 100644 --- a/swh/web/browse/utils.py +++ b/swh/web/browse/utils.py @@ -1,1075 +1,1077 @@ # Copyright (C) 2017-2018 The Software Heritage developers # See the AUTHORS file at the top-level directory of this distribution # License: GNU Affero General Public License version 3, or any later version # See top-level LICENSE file for more information import base64 import magic import math import pypandoc import stat from django.core.cache import cache from django.utils.safestring import mark_safe from importlib import reload from swh.web.common import highlightjs, service from swh.web.common.exc import NotFoundExc, http_status_code_message from swh.web.common.utils import ( reverse, format_utc_iso_date, parse_timestamp, get_origin_visits, get_swh_persistent_id ) from swh.web.config import get_config def get_directory_entries(sha1_git): """Function that retrieves the content of a SWH directory from the SWH archive. The directories entries are first sorted in lexicographical order. Sub-directories and regular files are then extracted. Args: sha1_git: sha1_git identifier of the directory Returns: A tuple whose first member corresponds to the sub-directories list and second member the regular files list Raises: NotFoundExc if the directory is not found """ cache_entry_id = 'directory_entries_%s' % sha1_git cache_entry = cache.get(cache_entry_id) if cache_entry: return cache_entry entries = list(service.lookup_directory(sha1_git)) entries = sorted(entries, key=lambda e: e['name']) for entry in entries: entry['perms'] = stat.filemode(entry['perms']) dirs = [e for e in entries if e['type'] == 'dir'] files = [e for e in entries if e['type'] == 'file'] cache.set(cache_entry_id, (dirs, files)) return dirs, files def get_mimetype_and_encoding_for_content(content): """Function that returns the mime type and the encoding associated to a content buffer using the magic module under the hood. Args: content (bytes): a content buffer Returns: A tuple (mimetype, encoding), for instance ('text/plain', 'us-ascii'), associated to the provided content. """ while True: try: magic_result = magic.detect_from_content(content) mime_type = magic_result.mime_type encoding = magic_result.encoding break except Exception as exc: # workaround an issue with the magic module who can fail # if detect_from_content is called multiple times in # a short amount of time reload(magic) return mime_type, encoding # maximum authorized content size in bytes for HTML display # with code highlighting content_display_max_size = get_config()['content_display_max_size'] def request_content(query_string, max_size=content_display_max_size, raise_if_unavailable=True): """Function that retrieves a SWH content from the SWH archive. Raw bytes content is first retrieved, then the content mime type. If the mime type is not stored in the archive, it will be computed using Python magic module. Args: query_string: a string of the form "[ALGO_HASH:]HASH" where optional ALGO_HASH can be either *sha1*, *sha1_git*, *sha256*, or *blake2s256* (default to *sha1*) and HASH the hexadecimal representation of the hash value max_size: the maximum size for a content to retrieve (default to 1MB, no size limit if None) Returns: A tuple whose first member corresponds to the content raw bytes and second member the content mime type Raises: NotFoundExc if the content is not found """ content_data = service.lookup_content(query_string) filetype = None language = None license = None # requests to the indexer db may fail so properly handle # those cases in order to avoid content display errors try: filetype = service.lookup_content_filetype(query_string) language = service.lookup_content_language(query_string) license = service.lookup_content_license(query_string) except Exception as e: pass mimetype = 'unknown' encoding = 'unknown' if filetype: mimetype = filetype['mimetype'] encoding = filetype['encoding'] content_data['error_code'] = 200 content_data['error_message'] = '' content_data['error_description'] = '' if not max_size or content_data['length'] < max_size: try: content_raw = service.lookup_content_raw(query_string) except Exception as e: if raise_if_unavailable: raise e else: content_data['raw_data'] = None content_data['error_code'] = 404 content_data['error_description'] = \ 'The bytes of the content are currently not available in the archive.' # noqa content_data['error_message'] = \ http_status_code_message[content_data['error_code']] else: content_data['raw_data'] = content_raw['data'] if not filetype: mimetype, encoding = \ get_mimetype_and_encoding_for_content(content_data['raw_data']) # noqa # encode textual content to utf-8 if needed if mimetype.startswith('text/'): # probably a malformed UTF-8 content, reencode it # by replacing invalid chars with a substitution one if encoding == 'unknown-8bit': content_data['raw_data'] = \ content_data['raw_data'].decode('utf-8', 'replace')\ .encode('utf-8') elif 'ascii' not in encoding and encoding not in ['utf-8', 'binary']: # noqa content_data['raw_data'] = \ content_data['raw_data'].decode(encoding, 'replace')\ .encode('utf-8') else: content_data['raw_data'] = None content_data['mimetype'] = mimetype content_data['encoding'] = encoding if language: content_data['language'] = language['lang'] else: content_data['language'] = 'not detected' if license: content_data['licenses'] = ', '.join(license['facts'][0]['licenses']) else: content_data['licenses'] = 'not detected' return content_data _browsers_supported_image_mimes = set(['image/gif', 'image/png', 'image/jpeg', 'image/bmp', 'image/webp', 'image/svg', 'image/svg+xml']) def prepare_content_for_display(content_data, mime_type, path): """Function that prepares a content for HTML display. The function tries to associate a programming language to a content in order to perform syntax highlighting client-side using highlightjs. The language is determined using either the content filename or its mime type. If the mime type corresponds to an image format supported by web browsers, the content will be encoded in base64 for displaying the image. Args: content_data (bytes): raw bytes of the content mime_type (string): mime type of the content path (string): path of the content including filename Returns: A dict containing the content bytes (possibly different from the one provided as parameter if it is an image) under the key 'content_data and the corresponding highlightjs language class under the key 'language'. """ language = highlightjs.get_hljs_language_from_filename(path) if not language: language = highlightjs.get_hljs_language_from_mime_type(mime_type) if not language: language = 'nohighlight-swh' elif mime_type.startswith('application/'): mime_type = mime_type.replace('application/', 'text/') if mime_type.startswith('image/'): if mime_type in _browsers_supported_image_mimes: content_data = base64.b64encode(content_data) else: content_data = None if mime_type.startswith('image/svg'): mime_type = 'image/svg+xml' return {'content_data': content_data, 'language': language, 'mimetype': mime_type} def get_origin_visit(origin_info, visit_ts=None, visit_id=None, snapshot_id=None): """Function that returns information about a SWH visit for a given origin. The visit is retrieved from a provided timestamp. The closest visit from that timestamp is selected. Args: origin_info (dict): a dict filled with origin information (id, url, type) visit_ts (int or str): an ISO date string or Unix timestamp to parse Returns: A dict containing the visit info as described below:: {'origin': 2, 'date': '2017-10-08T11:54:25.582463+00:00', 'metadata': {}, 'visit': 25, 'status': 'full'} """ visits = get_origin_visits(origin_info) if not visits: raise NotFoundExc('No SWH visit associated to origin with' ' type %s and url %s!' % (origin_info['type'], origin_info['url'])) if snapshot_id: visit = [v for v in visits if v['snapshot'] == snapshot_id] if len(visit) == 0: raise NotFoundExc( 'Visit for snapshot with id %s for origin with type %s' ' and url %s not found!' % (snapshot_id, origin_info['type'], origin_info['url'])) return visit[0] if visit_id: visit = [v for v in visits if v['visit'] == int(visit_id)] if len(visit) == 0: raise NotFoundExc( 'Visit with id %s for origin with type %s' ' and url %s not found!' % (visit_id, origin_info['type'], origin_info['url'])) return visit[0] if not visit_ts: # returns the latest full visit when no timestamp is provided for v in reversed(visits): if v['status'] == 'full': return v return visits[-1] parsed_visit_ts = math.floor(parse_timestamp(visit_ts).timestamp()) visit_idx = None for i, visit in enumerate(visits): ts = math.floor(parse_timestamp(visit['date']).timestamp()) if i == 0 and parsed_visit_ts <= ts: return visit elif i == len(visits) - 1: if parsed_visit_ts >= ts: return visit else: next_ts = math.floor( parse_timestamp(visits[i+1]['date']).timestamp()) if parsed_visit_ts >= ts and parsed_visit_ts < next_ts: if (parsed_visit_ts - ts) < (next_ts - parsed_visit_ts): visit_idx = i break else: visit_idx = i+1 break if visit_idx: visit = visits[visit_idx] while visit_idx < len(visits) - 1 and \ visit['date'] == visits[visit_idx+1]['date']: visit_idx = visit_idx + 1 visit = visits[visit_idx] return visit else: raise NotFoundExc( 'Visit with timestamp %s for origin with type %s and url %s not found!' % # noqa (visit_ts, origin_info['type'], origin_info['url'])) def get_snapshot_content(snapshot_id): """Returns the lists of branches and releases associated to a swh snapshot. That list is put in cache in order to speedup the navigation in the swh-web/browse ui. Args: snapshot_id (str): hexadecimal representation of the snapshot identifier Returns: A tuple with two members. The first one is a list of dict describing the snapshot branches. The second one is a list of dict describing the snapshot releases. Raises: NotFoundExc if the snapshot does not exist """ cache_entry_id = 'swh_snapshot_%s' % snapshot_id cache_entry = cache.get(cache_entry_id) if cache_entry: return cache_entry['branches'], cache_entry['releases'] branches = [] releases = [] if snapshot_id: revision_ids = [] releases_ids = [] snapshot = service.lookup_snapshot(snapshot_id) snapshot_branches = snapshot['branches'] for key in sorted(snapshot_branches.keys()): if not snapshot_branches[key]: continue if snapshot_branches[key]['target_type'] == 'revision': branches.append({'name': key, 'revision': snapshot_branches[key]['target']}) revision_ids.append(snapshot_branches[key]['target']) elif snapshot_branches[key]['target_type'] == 'release': releases_ids.append(snapshot_branches[key]['target']) releases_info = service.lookup_release_multiple(releases_ids) for release in releases_info: releases.append({'name': release['name'], 'date': format_utc_iso_date(release['date']), 'id': release['id'], 'message': release['message'], 'target_type': release['target_type'], 'target': release['target']}) revision_ids.append(release['target']) revisions = service.lookup_revision_multiple(revision_ids) branches_to_remove = [] for idx, revision in enumerate(revisions): if idx < len(branches): if revision: branches[idx]['directory'] = revision['directory'] branches[idx]['date'] = format_utc_iso_date(revision['date']) # noqa branches[idx]['message'] = revision['message'] else: branches_to_remove.append(branches[idx]) else: rel_idx = idx - len(branches) if revision: releases[rel_idx]['directory'] = revision['directory'] for b in branches_to_remove: branches.remove(b) cache.set(cache_entry_id, {'branches': branches, 'releases': releases}) return branches, releases def get_origin_visit_snapshot(origin_info, visit_ts=None, visit_id=None, snapshot_id=None): """Returns the lists of branches and releases associated to a swh origin for a given visit. The visit is expressed by a timestamp. In the latter case, the closest visit from the provided timestamp will be used. If no visit parameter is provided, it returns the list of branches found for the latest visit. That list is put in cache in order to speedup the navigation in the swh-web/browse ui. Args: origin_info (dict): a dict filled with origin information (id, url, type) visit_ts (int or str): an ISO date string or Unix timestamp to parse visit_id (int): optional visit id for desambiguation in case several visits have the same timestamp Returns: A tuple with two members. The first one is a list of dict describing the origin branches for the given visit. The second one is a list of dict describing the origin releases for the given visit. Raises: NotFoundExc if the origin or its visit are not found """ visit_info = get_origin_visit(origin_info, visit_ts, visit_id, snapshot_id) return get_snapshot_content(visit_info['snapshot']) def gen_link(url, link_text=None, link_attrs={}): """ Utility function for generating an HTML link to insert in Django templates. Args: url (str): an url link_text (str): optional text for the produced link, if not provided the url will be used link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'link_text' """ attrs = ' ' for k, v in link_attrs.items(): attrs += '%s="%s" ' % (k, v) if not link_text: link_text = url link = '%s' % (attrs, url, link_text) return mark_safe(link) def gen_person_link(person_id, person_name, snapshot_context=None, link_attrs={}): """ Utility function for generating a link to a SWH person HTML view to insert in Django templates. Args: person_id (int): a SWH person id person_name (str): the associated person name link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'person_name' """ query_params = None if snapshot_context and snapshot_context['origin_info']: origin_info = snapshot_context['origin_info'] query_params = {'origin_type': origin_info['type'], 'origin': origin_info['url']} if 'timestamp' in snapshot_context['url_args']: query_params['timestamp'] = \ snapshot_context['url_args']['timestamp'] if 'visit_id' in snapshot_context['query_params']: query_params['visit_id'] = \ snapshot_context['query_params']['visit_id'] elif snapshot_context: query_params = {'snapshot_id': snapshot_context['snapshot_id']} person_url = reverse('browse-person', kwargs={'person_id': person_id}, query_params=query_params) return gen_link(person_url, person_name, link_attrs) def gen_revision_link(revision_id, shorten_id=False, snapshot_context=None, link_text=None, link_attrs={}): """ Utility function for generating a link to a SWH revision HTML view to insert in Django templates. Args: revision_id (str): a SWH revision id shorten_id (boolean): wheter to shorten the revision id to 7 characters for the link text snapshot_context (dict): if provided, generate snapshot-dependent browsing link link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'revision_id' """ query_params = None if snapshot_context and snapshot_context['origin_info']: origin_info = snapshot_context['origin_info'] - query_params = {'origin_type': origin_info['type'], + origin_type = snapshot_context['origin_type'] + query_params = {'origin_type': origin_type, 'origin': origin_info['url']} if 'timestamp' in snapshot_context['url_args']: query_params['timestamp'] = \ snapshot_context['url_args']['timestamp'] if 'visit_id' in snapshot_context['query_params']: query_params['visit_id'] = \ snapshot_context['query_params']['visit_id'] elif snapshot_context: query_params = {'snapshot_id': snapshot_context['snapshot_id']} revision_url = reverse('browse-revision', kwargs={'sha1_git': revision_id}, query_params=query_params) if shorten_id: return gen_link(revision_url, revision_id[:7], link_attrs) else: if not link_text: link_text = revision_id return gen_link(revision_url, link_text, link_attrs) def gen_origin_link(origin_info, link_attrs={}): """ Utility function for generating a link to a SWH origin HTML view to insert in Django templates. Args: origin_info (dict): a dicted filled with origin information (id, type, url) link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'Origin: origin_url' """ # noqa origin_browse_url = reverse('browse-origin', kwargs={'origin_type': origin_info['type'], 'origin_url': origin_info['url']}) return gen_link(origin_browse_url, 'Origin: ' + origin_info['url'], link_attrs) def gen_directory_link(sha1_git, link_text=None, link_attrs={}): """ Utility function for generating a link to a SWH directory HTML view to insert in Django templates. Args: sha1_git (str): directory identifier link_text (str): optional text for the generated link (the generated url will be used by default) link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'link_text' """ directory_url = reverse('browse-directory', kwargs={'sha1_git': sha1_git}) if not link_text: link_text = directory_url return gen_link(directory_url, link_text, link_attrs) def gen_snapshot_link(snapshot_id, link_text=None, link_attrs={}): """ Utility function for generating a link to a SWH snapshot HTML view to insert in Django templates. Args: snapshot_id (str): snapshot identifier link_text (str): optional text for the generated link (the generated url will be used by default) link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'link_text' """ snapshot_url = reverse('browse-snapshot', kwargs={'snapshot_id': snapshot_id}) if not link_text: link_text = snapshot_url return gen_link(snapshot_url, link_text, link_attrs) def gen_snapshot_directory_link(snapshot_context, revision_id=None, link_text=None, link_attrs={}): """ Utility function for generating a link to a SWH directory HTML view in the context of a snapshot to insert in Django templates. Args: snapshot_context (dict): the snapshot information revision_id (str): optional revision identifier in order to use the associated directory link_text (str): optional text to use for the generated link link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'origin_directory_view_url' """ query_params = {'revision': revision_id} if snapshot_context['origin_info']: origin_info = snapshot_context['origin_info'] url_args = {'origin_type': origin_info['type'], 'origin_url': origin_info['url']} if 'timestamp' in snapshot_context['url_args']: url_args['timestamp'] = \ snapshot_context['url_args']['timestamp'] if 'visit_id' in snapshot_context['query_params']: query_params['visit_id'] = \ snapshot_context['query_params']['visit_id'] directory_url = reverse('browse-origin-directory', kwargs=url_args, query_params=query_params) else: url_args = {'snapshot_id': snapshot_context['snapshot_id']} directory_url = reverse('browse-snapshot-directory', kwargs=url_args, query_params=query_params) if not link_text: link_text = directory_url return gen_link(directory_url, link_text, link_attrs) def gen_content_link(sha1_git, link_text=None, link_attrs={}): """ Utility function for generating a link to a SWH content HTML view to insert in Django templates. Args: sha1_git (str): content identifier link_text (str): optional text for the generated link (the generated url will be used by default) link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'link_text' """ content_url = reverse('browse-content', kwargs={'query_string': 'sha1_git:' + sha1_git}) if not link_text: link_text = content_url return gen_link(content_url, link_text, link_attrs) def get_revision_log_url(revision_id, snapshot_context=None): """ Utility function for getting the URL for a SWH revision log HTML view (possibly in the context of an origin). Args: revision_id (str): revision identifier the history heads to snapshot_context (dict): if provided, generate snapshot-dependent browsing link Returns: The SWH revision log view URL """ query_params = {'revision': revision_id} if snapshot_context and snapshot_context['origin_info']: origin_info = snapshot_context['origin_info'] url_args = {'origin_type': origin_info['type'], 'origin_url': origin_info['url']} if 'timestamp' in snapshot_context['url_args']: url_args['timestamp'] = \ snapshot_context['url_args']['timestamp'] if 'visit_id' in snapshot_context['query_params']: query_params['visit_id'] = \ snapshot_context['query_params']['visit_id'] revision_log_url = reverse('browse-origin-log', kwargs=url_args, query_params=query_params) elif snapshot_context: url_args = {'snapshot_id': snapshot_context['snapshot_id']} revision_log_url = reverse('browse-snapshot-log', kwargs=url_args, query_params=query_params) else: revision_log_url = reverse('browse-revision-log', kwargs={'sha1_git': revision_id}) return revision_log_url def gen_revision_log_link(revision_id, snapshot_context=None, link_text=None, link_attrs={}): """ Utility function for generating a link to a SWH revision log HTML view (possibly in the context of an origin) to insert in Django templates. Args: revision_id (str): revision identifier the history heads to snapshot_context (dict): if provided, generate snapshot-dependent browsing link link_text (str): optional text to use for the generated link link_attrs (dict): optional attributes (e.g. class) to add to the link Returns: An HTML link in the form 'link_text' """ revision_log_url = get_revision_log_url(revision_id, snapshot_context) if not link_text: link_text = revision_log_url return gen_link(revision_log_url, link_text, link_attrs) def _format_log_entries(revision_log, per_page, snapshot_context=None): revision_log_data = [] for i, log in enumerate(revision_log): if i == per_page: break author_name = log['author']['name'] or log['author']['fullname'] revision_log_data.append( {'author': gen_person_link(log['author']['id'], author_name, snapshot_context), 'revision': gen_revision_link(log['id'], True, snapshot_context), 'message': log['message'], 'date': format_utc_iso_date(log['date']), 'directory': log['directory']}) return revision_log_data def prepare_revision_log_for_display(revision_log, per_page, revs_breadcrumb, snapshot_context=None): """ Utility functions that process raw revision log data for HTML display. Its purpose is to: * add links to relevant SWH browse views * format date in human readable format * truncate the message log It also computes the data needed to generate the links for navigating back and forth in the history log. Args: revision_log (list): raw revision log as returned by the SWH web api per_page (int): number of log entries per page revs_breadcrumb (str): breadcrumbs of revisions navigated so far, in the form 'rev1[/rev2/../revN]'. Each revision corresponds to the first one displayed in the HTML view for history log. snapshot_context (dict): if provided, generate snapshot-dependent browsing link """ current_rev = revision_log[0]['id'] next_rev = None prev_rev = None next_revs_breadcrumb = None prev_revs_breadcrumb = None if len(revision_log) == per_page + 1: prev_rev = revision_log[-1]['id'] prev_rev_bc = current_rev if snapshot_context: prev_rev_bc = prev_rev if revs_breadcrumb: revs = revs_breadcrumb.split('/') next_rev = revs[-1] if len(revs) > 1: next_revs_breadcrumb = '/'.join(revs[:-1]) if len(revision_log) == per_page + 1: prev_revs_breadcrumb = revs_breadcrumb + '/' + prev_rev_bc else: prev_revs_breadcrumb = prev_rev_bc return {'revision_log_data': _format_log_entries(revision_log, per_page, snapshot_context), 'prev_rev': prev_rev, 'prev_revs_breadcrumb': prev_revs_breadcrumb, 'next_rev': next_rev, 'next_revs_breadcrumb': next_revs_breadcrumb} # list of origin types that can be found in the swh archive # TODO: retrieve it dynamically in an efficient way instead # of hardcoding it _swh_origin_types = ['git', 'svn', 'deb', 'hg', 'ftp', 'deposit'] def get_origin_info(origin_url, origin_type=None): """ Get info about a SWH origin. Its main purpose is to automatically find an origin type when it is not provided as parameter. Args: origin_url (str): complete url of a SWH origin origin_type (str): optionnal origin type Returns: A dict with the following entries: * type: the origin type * url: the origin url * id: the SWH internal id of the origin """ if origin_type: return service.lookup_origin({'type': origin_type, 'url': origin_url}) else: for origin_type in _swh_origin_types: try: origin_info = service.lookup_origin({'type': origin_type, 'url': origin_url}) return origin_info except Exception: pass raise NotFoundExc('Origin with url %s not found!' % origin_url) def get_snapshot_context(snapshot_id=None, origin_type=None, origin_url=None, timestamp=None, visit_id=None): """ Utility function to compute relevant information when navigating the SWH archive in a snapshot context. The snapshot is either referenced by its id or it will be retrieved from an origin visit. Args: snapshot_id (str): hexadecimal representation of a snapshot identifier, all other parameters will be ignored if it is provided origin_type (str): the origin type (git, svn, deposit, ...) origin_url (str): the origin_url (e.g. https://github.com/(user)/(repo)/) timestamp (str): a datetime string for retrieving the closest SWH visit of the origin visit_id (int): optional visit id for disambiguation in case of several visits with the same timestamp Returns: A dict with the following entries: * origin_info: dict containing origin information * visit_info: dict containing SWH visit information * branches: the list of branches for the origin found during the visit * releases: the list of releases for the origin found during the visit * origin_browse_url: the url to browse the origin * origin_branches_url: the url to browse the origin branches * origin_releases_url': the url to browse the origin releases * origin_visit_url: the url to browse the snapshot of the origin found during the visit * url_args: dict containg url arguments to use when browsing in the context of the origin and its visit """ # noqa origin_info = None visit_info = None url_args = None query_params = {} branches = [] releases = [] browse_url = None visit_url = None branches_url = None releases_url = None swh_type = 'snapshot' if origin_url: swh_type = 'origin' origin_info = get_origin_info(origin_url, origin_type) - origin_info['type'] = origin_type visit_info = get_origin_visit(origin_info, timestamp, visit_id, snapshot_id) visit_info['fmt_date'] = format_utc_iso_date(visit_info['date']) snapshot_id = visit_info['snapshot'] # provided timestamp is not necessarily equals to the one # of the retrieved visit, so get the exact one in order # use it in the urls generated below if timestamp: timestamp = visit_info['date'] branches, releases = \ get_origin_visit_snapshot(origin_info, timestamp, visit_id, snapshot_id) - url_args = {'origin_type': origin_info['type'], + url_args = {'origin_type': origin_type, 'origin_url': origin_info['url']} query_params = {'visit_id': visit_id} browse_url = reverse('browse-origin-visits', kwargs=url_args) if timestamp: url_args['timestamp'] = format_utc_iso_date(timestamp, '%Y-%m-%dT%H:%M:%S') visit_url = reverse('browse-origin-directory', kwargs=url_args, query_params=query_params) visit_info['url'] = visit_url branches_url = reverse('browse-origin-branches', kwargs=url_args, query_params=query_params) releases_url = reverse('browse-origin-releases', kwargs=url_args, query_params=query_params) elif snapshot_id: branches, releases = get_snapshot_content(snapshot_id) url_args = {'snapshot_id': snapshot_id} browse_url = reverse('browse-snapshot', kwargs=url_args) branches_url = reverse('browse-snapshot-branches', kwargs=url_args) releases_url = reverse('browse-snapshot-releases', kwargs=url_args) releases = list(reversed(releases)) return { 'swh_type': swh_type, 'snapshot_id': snapshot_id, 'origin_info': origin_info, + # keep track if the origin type was provided as url argument + 'origin_type': origin_type, 'visit_info': visit_info, 'branches': branches, 'releases': releases, 'branch': None, 'release': None, 'browse_url': browse_url, 'branches_url': branches_url, 'releases_url': releases_url, 'url_args': url_args, 'query_params': query_params } # list of common readme names ordered by preference # (lower indices have higher priority) _common_readme_names = [ "readme.markdown", "readme.md", "readme.rst", "readme.txt", "readme" ] def get_readme_to_display(readmes): """ Process a list of readme files found in a directory in order to find the adequate one to display. Args: readmes: a list of dict where keys are readme file names and values are readme sha1s Returns: A tuple (readme_name, readme_sha1) """ readme_name = None readme_url = None readme_sha1 = None readme_html = None lc_readmes = {k.lower(): {'orig_name': k, 'sha1': v} for k, v in readmes.items()} # look for readme names according to the preference order # defined by the _common_readme_names list for common_readme_name in _common_readme_names: if common_readme_name in lc_readmes: readme_name = lc_readmes[common_readme_name]['orig_name'] readme_sha1 = lc_readmes[common_readme_name]['sha1'] readme_url = reverse('browse-content-raw', kwargs={'query_string': readme_sha1}) break # otherwise pick the first readme like file if any if not readme_name and len(readmes.items()) > 0: readme_name = next(iter(readmes)) readme_sha1 = readmes[readme_name] readme_url = reverse('browse-content-raw', kwargs={'query_string': readme_sha1}) # convert rst README to html server side as there is # no viable solution to perform that task client side if readme_name and readme_name.endswith('.rst'): cache_entry_id = 'readme_%s' % readme_sha1 cache_entry = cache.get(cache_entry_id) if cache_entry: readme_html = cache_entry else: try: rst_doc = request_content(readme_sha1) readme_html = pypandoc.convert_text(rst_doc['raw_data'], 'html', format='rst') cache.set(cache_entry_id, readme_html) except Exception: readme_html = 'Readme bytes are not available' return readme_name, readme_url, readme_html def get_swh_persistent_ids(swh_objects, snapshot_context=None): """ Returns a list of dict containing info related to persistent identifiers of swh objects. Args: swh_objects (list): a list of dict with the following keys: * type: swh object type (content/directory/release/revision/snapshot) * id: swh object id snapshot_context (dict): optional parameter describing the snapshot in which the object has been found Returns: list: a list of dict with the following keys: * object_type: the swh object type (content/directory/release/revision/snapshot) * object_icon: the swh object icon to use in HTML views * swh_id: the computed swh object persistent identifier * swh_id_url: the url resolving the persistent identifier * show_options: boolean indicating if the persistent id options must be displayed in persistent ids HTML view """ # noqa swh_ids = [] for swh_object in swh_objects: swh_id = get_swh_persistent_id(swh_object['type'], swh_object['id']) show_options = swh_object['type'] == 'content' or \ (snapshot_context and snapshot_context['origin_info'] is not None) object_icon = mark_safe('') if swh_object['type'] == 'directory': object_icon = mark_safe('') elif swh_object['type'] == 'release': object_icon = mark_safe('') elif swh_object['type'] == 'revision': object_icon = mark_safe('') # noqa elif swh_object['type'] == 'snapshot': object_icon = mark_safe('') swh_ids.append({ 'object_type': swh_object['type'], 'object_icon': object_icon, 'swh_id': swh_id, 'swh_id_url': reverse('browse-swh-id', kwargs={'swh_id': swh_id}), 'show_options': show_options }) return swh_ids diff --git a/swh/web/browse/views/utils/snapshot_context.py b/swh/web/browse/views/utils/snapshot_context.py index f34c0866..894e1fe2 100644 --- a/swh/web/browse/views/utils/snapshot_context.py +++ b/swh/web/browse/views/utils/snapshot_context.py @@ -1,838 +1,838 @@ # Copyright (C) 2018 The Software Heritage developers # See the AUTHORS file at the top-level directory of this distribution # License: GNU Affero General Public License version 3, or any later version # See top-level LICENSE file for more information # Utility module implementing Django views for browsing the SWH archive # in a snapshot context. # Its purpose is to factorize code for the views reachable from the # /origin/.* and /snapshot/.* endpoints. from django.shortcuts import render, redirect from django.utils.safestring import mark_safe from django.template.defaultfilters import filesizeformat from swh.web.browse.utils import ( get_snapshot_context, get_directory_entries, gen_directory_link, gen_revision_link, request_content, gen_content_link, prepare_content_for_display, content_display_max_size, prepare_revision_log_for_display, gen_snapshot_directory_link, gen_revision_log_link, gen_link, get_readme_to_display, get_swh_persistent_ids ) from swh.web.common import service from swh.web.common.exc import ( handle_view_exception, NotFoundExc ) from swh.web.common.utils import ( reverse, gen_path_info, format_utc_iso_date ) def _get_branch(branches, branch_name): """ Utility function to get a specific branch from a branches list. Its purpose is to get the default HEAD branch as some SWH origin (e.g those with svn type) does not have it. In that latter case, check if there is a master branch instead and returns it. """ filtered_branches = \ [b for b in branches if b['name'].endswith(branch_name)] if len(filtered_branches) > 0: return filtered_branches[0] elif branch_name == 'HEAD': filtered_branches = \ [b for b in branches if b['name'].endswith('master')] if len(filtered_branches) > 0: return filtered_branches[0] elif len(branches) > 0: return branches[0] return None def _get_release(releases, release_name): """ Utility function to get a specific release from a releases list. Returns None if the release can not be found in the list. """ filtered_releases = \ [r for r in releases if r['name'] == release_name] if len(filtered_releases) > 0: return filtered_releases[0] else: return None def _branch_not_found(branch_type, branch, branches, snapshot_id=None, origin_info=None, timestamp=None, visit_id=None): """ Utility function to raise an exception when a specified branch/release can not be found. """ if branch_type == 'branch': branch_type = 'Branch' branch_type_plural = 'branches' else: branch_type = 'Release' branch_type_plural = 'releases' if snapshot_id and len(branches) == 0: msg = 'Snapshot with id %s has an empty list' \ ' of %s!' % (snapshot_id, branch_type_plural) elif snapshot_id: msg = '%s %s for snapshot with id %s' \ ' not found!' % (branch_type, branch, snapshot_id) elif visit_id and len(branches) == 0: msg = 'Origin with type %s and url %s' \ ' for visit with id %s has an empty list' \ ' of %s!' % (origin_info['type'], origin_info['url'], visit_id, branch_type_plural) elif visit_id: msg = '%s %s associated to visit with' \ ' id %s for origin with type %s and url %s' \ ' not found!' % (branch_type, branch, visit_id, origin_info['type'], origin_info['url']) elif len(branches) == 0: msg = 'Origin with type %s and url %s' \ ' for visit with timestamp %s has an empty list' \ ' of %s!' % (origin_info['type'], origin_info['url'], timestamp, branch_type_plural) else: msg = '%s %s associated to visit with' \ ' timestamp %s for origin with type %s' \ ' and url %s not found!' % (branch_type, branch, timestamp, origin_info['type'], origin_info['url']) raise NotFoundExc(msg) def _process_snapshot_request(request, snapshot_id=None, origin_type=None, origin_url=None, timestamp=None, path=None, browse_context='directory'): """ Utility function to perform common input request processing for snapshot context views. """ visit_id = request.GET.get('visit_id', None) snapshot_context = get_snapshot_context(snapshot_id, origin_type, origin_url, timestamp, visit_id) swh_type = snapshot_context['swh_type'] origin_info = snapshot_context['origin_info'] branches = snapshot_context['branches'] releases = snapshot_context['releases'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] browse_view_name = 'browse-' + swh_type + '-' + browse_context for b in branches: branch_url_args = dict(url_args) branch_query_params = dict(query_params) branch_query_params['branch'] = b['name'] if path: b['path'] = path branch_url_args['path'] = path b['url'] = reverse(browse_view_name, kwargs=branch_url_args, query_params=branch_query_params) for r in releases: release_url_args = dict(url_args) release_query_params = dict(query_params) release_query_params['release'] = r['name'] if path: r['path'] = path release_url_args['path'] = path r['url'] = reverse(browse_view_name, kwargs=release_url_args, query_params=release_query_params) root_sha1_git = None revision_id = request.GET.get('revision', None) release_name = request.GET.get('release', None) release_id = None branch_name = None if revision_id: revision = service.lookup_revision(revision_id) root_sha1_git = revision['directory'] branches.append({'name': revision_id, 'revision': revision_id, 'directory': root_sha1_git, 'url': None}) branch_name = revision_id query_params['revision'] = revision_id elif release_name: release = _get_release(releases, release_name) if release: root_sha1_git = release['directory'] revision_id = release['target'] release_id = release['id'] query_params['release'] = release_name else: _branch_not_found("release", release_name, releases, snapshot_id, origin_info, timestamp, visit_id) else: branch_name = request.GET.get('branch', None) if branch_name: query_params['branch'] = branch_name branch = _get_branch(branches, branch_name or 'HEAD') if branch: branch_name = branch['name'] root_sha1_git = branch['directory'] revision_id = branch['revision'] else: _branch_not_found("branch", branch_name, branches, snapshot_id, origin_info, timestamp, visit_id) snapshot_context['query_params'] = query_params snapshot_context['root_sha1_git'] = root_sha1_git snapshot_context['revision_id'] = revision_id snapshot_context['branch'] = branch_name snapshot_context['release'] = release_name snapshot_context['release_id'] = release_id return snapshot_context def browse_snapshot_directory(request, snapshot_id=None, origin_type=None, origin_url=None, timestamp=None, path=None): """ Django view implementation for browsing a directory in a snapshot context. """ try: snapshot_context = _process_snapshot_request(request, snapshot_id, origin_type, origin_url, timestamp, path, browse_context='directory') # noqa root_sha1_git = snapshot_context['root_sha1_git'] sha1_git = root_sha1_git if path: dir_info = service.lookup_directory_with_path(root_sha1_git, path) # some readme files can reference assets reachable from the # browsed directory, handle that special case in order to # correctly displayed them if dir_info and dir_info['type'] == 'file': file_raw_url = reverse( 'browse-content-raw', kwargs={'query_string': dir_info['checksums']['sha1']}) return redirect(file_raw_url) sha1_git = dir_info['target'] dirs, files = get_directory_entries(sha1_git) except Exception as exc: return handle_view_exception(request, exc) swh_type = snapshot_context['swh_type'] origin_info = snapshot_context['origin_info'] visit_info = snapshot_context['visit_info'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] revision_id = snapshot_context['revision_id'] snapshot_id = snapshot_context['snapshot_id'] path_info = gen_path_info(path) browse_view_name = 'browse-' + swh_type + '-directory' breadcrumbs = [] breadcrumbs.append({'name': root_sha1_git[:7], 'url': reverse(browse_view_name, kwargs=url_args, query_params=query_params)}) for pi in path_info: bc_url_args = dict(url_args) bc_url_args['path'] = pi['path'] breadcrumbs.append({'name': pi['name'], 'url': reverse(browse_view_name, kwargs=bc_url_args, query_params=query_params)}) path = '' if path is None else (path + '/') for d in dirs: bc_url_args = dict(url_args) bc_url_args['path'] = path + d['name'] d['url'] = reverse(browse_view_name, kwargs=bc_url_args, query_params=query_params) sum_file_sizes = 0 readmes = {} browse_view_name = 'browse-' + swh_type + '-content' for f in files: bc_url_args = dict(url_args) bc_url_args['path'] = path + f['name'] f['url'] = reverse(browse_view_name, kwargs=bc_url_args, query_params=query_params) sum_file_sizes += f['length'] f['length'] = filesizeformat(f['length']) if f['name'].lower().startswith('readme'): readmes[f['name']] = f['checksums']['sha1'] readme_name, readme_url, readme_html = get_readme_to_display(readmes) browse_view_name = 'browse-' + swh_type + '-log' history_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) sum_file_sizes = filesizeformat(sum_file_sizes) browse_dir_link = \ gen_directory_link(sha1_git, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) browse_rev_link = \ gen_revision_link(revision_id, snapshot_context=snapshot_context, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) dir_metadata = {'id': sha1_git, 'context-independent directory': browse_dir_link, 'number of regular files': len(files), 'number of subdirectories': len(dirs), 'sum of regular file sizes': sum_file_sizes, 'path': '/' + path, 'revision id': revision_id, 'revision': browse_rev_link, 'snapshot id': snapshot_id} if origin_info: dir_metadata['origin id'] = origin_info['id'] dir_metadata['origin type'] = origin_info['type'] dir_metadata['origin url'] = origin_info['url'] dir_metadata['origin visit date'] = format_utc_iso_date(visit_info['date']) # noqa dir_metadata['origin visit id'] = visit_info['visit'] snapshot_context_url = reverse('browse-snapshot-directory', kwargs={'snapshot_id': snapshot_id}, query_params=request.GET) browse_snapshot_link = \ gen_link(snapshot_context_url, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) dir_metadata['snapshot context'] = browse_snapshot_link vault_cooking = { 'directory_context': True, 'directory_id': sha1_git, 'revision_context': True, 'revision_id': revision_id } swh_objects = [{'type': 'directory', 'id': sha1_git}, {'type': 'revision', 'id': revision_id}, {'type': 'snapshot', 'id': snapshot_id}] release_id = snapshot_context['release_id'] if release_id: swh_objects.append({'type': 'release', 'id': release_id}) swh_ids = get_swh_persistent_ids(swh_objects, snapshot_context) dir_path = '/'.join([bc['name'] for bc in breadcrumbs]) + '/' context_found = 'snapshot: %s' % snapshot_context['snapshot_id'] if origin_info: context_found = 'origin: %s' % origin_info['url'] heading = 'Directory - %s - %s - %s' %\ (dir_path, snapshot_context['branch'], context_found) return render(request, 'browse/directory.html', {'heading': heading, 'swh_object_name': 'Directory', 'swh_object_metadata': dir_metadata, 'dirs': dirs, 'files': files, 'breadcrumbs': breadcrumbs, 'top_right_link': history_url, 'top_right_link_text': mark_safe( '' 'History' ), 'readme_name': readme_name, 'readme_url': readme_url, 'readme_html': readme_html, 'snapshot_context': snapshot_context, 'vault_cooking': vault_cooking, 'show_actions_menu': True, 'swh_ids': swh_ids}) def browse_snapshot_content(request, snapshot_id=None, origin_type=None, origin_url=None, timestamp=None, path=None): """ Django view implementation for browsing a content in a snapshot context. """ try: snapshot_context = _process_snapshot_request(request, snapshot_id, origin_type, origin_url, timestamp, path, browse_context='content') root_sha1_git = snapshot_context['root_sha1_git'] content_info = service.lookup_directory_with_path(root_sha1_git, path) sha1_git = content_info['target'] query_string = 'sha1_git:' + sha1_git content_data = request_content(query_string, raise_if_unavailable=False) except Exception as exc: return handle_view_exception(request, exc) swh_type = snapshot_context['swh_type'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] revision_id = snapshot_context['revision_id'] origin_info = snapshot_context['origin_info'] visit_info = snapshot_context['visit_info'] snapshot_id = snapshot_context['snapshot_id'] content = None language = None mimetype = None if content_data['raw_data'] is not None: content_display_data = prepare_content_for_display( content_data['raw_data'], content_data['mimetype'], path) content = content_display_data['content_data'] language = content_display_data['language'] mimetype = content_display_data['mimetype'] filename = None path_info = None browse_view_name = 'browse-' + swh_type + '-directory' breadcrumbs = [] split_path = path.split('/') filename = split_path[-1] path_info = gen_path_info(path[:-len(filename)]) breadcrumbs.append({'name': root_sha1_git[:7], 'url': reverse(browse_view_name, kwargs=url_args, query_params=query_params)}) for pi in path_info: bc_url_args = dict(url_args) bc_url_args['path'] = pi['path'] breadcrumbs.append({'name': pi['name'], 'url': reverse(browse_view_name, kwargs=bc_url_args, query_params=query_params)}) breadcrumbs.append({'name': filename, 'url': None}) browse_content_link = \ gen_content_link(sha1_git, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) content_raw_url = reverse('browse-content-raw', kwargs={'query_string': query_string}, query_params={'filename': filename}) browse_rev_link = \ gen_revision_link(revision_id, snapshot_context=snapshot_context, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) content_metadata = { 'context-independent content': browse_content_link, 'sha1 checksum': content_data['checksums']['sha1'], 'sha1_git checksum': content_data['checksums']['sha1_git'], 'sha256 checksum': content_data['checksums']['sha256'], 'blake2s256 checksum': content_data['checksums']['blake2s256'], 'mime type': content_data['mimetype'], 'encoding': content_data['encoding'], 'size': filesizeformat(content_data['length']), 'language': content_data['language'], 'licenses': content_data['licenses'], 'path': '/' + path[:-len(filename)], 'filename': filename, 'revision id': revision_id, 'revision': browse_rev_link, 'snapshot id': snapshot_id } if origin_info: content_metadata['origin id'] = origin_info['id'] content_metadata['origin type'] = origin_info['type'] content_metadata['origin url'] = origin_info['url'] content_metadata['origin visit date'] = format_utc_iso_date(visit_info['date']) # noqa content_metadata['origin visit id'] = visit_info['visit'] browse_snapshot_url = reverse('browse-snapshot-content', kwargs={'snapshot_id': snapshot_id, 'path': path}, query_params=request.GET) browse_snapshot_link = \ gen_link(browse_snapshot_url, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) content_metadata['snapshot context'] = browse_snapshot_link cnt_sha1_git = content_data['checksums']['sha1_git'] swh_objects = [{'type': 'content', 'id': cnt_sha1_git}, {'type': 'revision', 'id': revision_id}, {'type': 'snapshot', 'id': snapshot_id}] release_id = snapshot_context['release_id'] if release_id: swh_objects.append({'type': 'release', 'id': release_id}) swh_ids = get_swh_persistent_ids(swh_objects, snapshot_context) content_path = '/'.join([bc['name'] for bc in breadcrumbs]) context_found = 'snapshot: %s' % snapshot_context['snapshot_id'] if origin_info: context_found = 'origin: %s' % origin_info['url'] heading = 'Content - %s - %s - %s' %\ (content_path, snapshot_context['branch'], context_found) return render(request, 'browse/content.html', {'heading': heading, 'swh_object_name': 'Content', 'swh_object_metadata': content_metadata, 'content': content, 'content_size': content_data['length'], 'max_content_size': content_display_max_size, 'mimetype': mimetype, 'language': language, 'breadcrumbs': breadcrumbs, 'top_right_link': content_raw_url, 'top_right_link_text': mark_safe( 'Raw File'), 'snapshot_context': snapshot_context, 'vault_cooking': None, 'show_actions_menu': True, 'swh_ids': swh_ids, 'error_code': content_data['error_code'], 'error_message': content_data['error_message'], 'error_description': content_data['error_description']}, status=content_data['error_code']) PER_PAGE = 20 def browse_snapshot_log(request, snapshot_id=None, origin_type=None, origin_url=None, timestamp=None): """ Django view implementation for browsing a revision history in a snapshot context. """ try: snapshot_context = _process_snapshot_request(request, snapshot_id, origin_type, origin_url, timestamp, browse_context='log') # noqa revision_id = snapshot_context['revision_id'] current_rev = revision_id per_page = int(request.GET.get('per_page', PER_PAGE)) revs_breadcrumb = request.GET.get('revs_breadcrumb', None) if revs_breadcrumb: current_rev = revs_breadcrumb.split('/')[-1] revision_log = service.lookup_revision_log(current_rev, limit=per_page+1) revision_log = list(revision_log) except Exception as exc: return handle_view_exception(request, exc) swh_type = snapshot_context['swh_type'] origin_info = snapshot_context['origin_info'] visit_info = snapshot_context['visit_info'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] snapshot_id = snapshot_context['snapshot_id'] query_params['per_page'] = per_page revision_log_display_data = prepare_revision_log_for_display( revision_log, per_page, revs_breadcrumb, snapshot_context) browse_view_name = 'browse-' + swh_type + '-log' prev_rev = revision_log_display_data['prev_rev'] prev_revs_breadcrumb = revision_log_display_data['prev_revs_breadcrumb'] prev_log_url = None query_params['revs_breadcrumb'] = prev_revs_breadcrumb if prev_rev: prev_log_url = \ reverse(browse_view_name, kwargs=url_args, query_params=query_params) next_rev = revision_log_display_data['next_rev'] next_revs_breadcrumb = revision_log_display_data['next_revs_breadcrumb'] next_log_url = None query_params['revs_breadcrumb'] = next_revs_breadcrumb if next_rev: next_log_url = \ reverse(browse_view_name, kwargs=url_args, query_params=query_params) revision_log_data = revision_log_display_data['revision_log_data'] for i, log in enumerate(revision_log_data): params = { 'revision': revision_log[i]['id'], } if 'visit_id' in query_params: params['visit_id'] = query_params['visit_id'] log['directory'] = gen_snapshot_directory_link( snapshot_context, revision_log[i]['id'], link_text='Browse files', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) browse_log_link = \ gen_revision_log_link(revision_id, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) revision_metadata = { 'context-independent revision history': browse_log_link, 'snapshot id': snapshot_id } if origin_info: revision_metadata['origin id'] = origin_info['id'] revision_metadata['origin type'] = origin_info['type'] revision_metadata['origin url'] = origin_info['url'] revision_metadata['origin visit date'] = format_utc_iso_date(visit_info['date']) # noqa revision_metadata['origin visit id'] = visit_info['visit'] browse_snapshot_url = reverse('browse-snapshot-log', kwargs={'snapshot_id': snapshot_id}, query_params=request.GET) browse_snapshot_link = \ gen_link(browse_snapshot_url, link_text='Browse', link_attrs={'class': 'btn btn-default btn-sm', 'role': 'button'}) revision_metadata['snapshot context'] = browse_snapshot_link swh_objects = [{'type': 'revision', 'id': revision_id}, {'type': 'snapshot', 'id': snapshot_id}] release_id = snapshot_context['release_id'] if release_id: swh_objects.append({'type': 'release', 'id': release_id}) swh_ids = get_swh_persistent_ids(swh_objects, snapshot_context) context_found = 'snapshot: %s' % snapshot_context['snapshot_id'] if origin_info: context_found = 'origin: %s' % origin_info['url'] heading = 'Revision history - %s - %s' %\ (snapshot_context['branch'], context_found) return render(request, 'browse/revision-log.html', {'heading': heading, 'swh_object_name': 'Revision history', 'swh_object_metadata': revision_metadata, 'revision_log': revision_log_data, 'next_log_url': next_log_url, 'prev_log_url': prev_log_url, 'breadcrumbs': None, 'top_right_link': None, 'top_right_link_text': None, 'snapshot_context': snapshot_context, 'vault_cooking': None, 'show_actions_menu': True, 'swh_ids': swh_ids}) def browse_snapshot_branches(request, snapshot_id=None, origin_type=None, origin_url=None, timestamp=None): """ Django view implementation for browsing a list of branches in a snapshot context. """ try: snapshot_context = _process_snapshot_request(request, snapshot_id, origin_type, origin_url, timestamp) except Exception as exc: return handle_view_exception(request, exc) branches_offset = int(request.GET.get('branches_offset', 0)) swh_type = snapshot_context['swh_type'] origin_info = snapshot_context['origin_info'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] browse_view_name = 'browse-' + swh_type + '-directory' branches = snapshot_context['branches'] displayed_branches = \ branches[branches_offset:branches_offset+PER_PAGE] for branch in displayed_branches: if snapshot_id: revision_url = reverse('browse-revision', kwargs={'sha1_git': branch['revision']}, query_params={'snapshot_id': snapshot_id}) else: revision_url = reverse('browse-revision', kwargs={'sha1_git': branch['revision']}, - query_params={'origin_type': origin_info['type'], # noqa - 'origin': origin_info['url']}) # noqa + query_params={'origin_type': origin_type, + 'origin': origin_info['url']}) query_params['branch'] = branch['name'] directory_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) del query_params['branch'] branch['revision_url'] = revision_url branch['directory_url'] = directory_url browse_view_name = 'browse-' + swh_type + '-branches' prev_branches_url = None next_branches_url = None next_offset = branches_offset + PER_PAGE prev_offset = branches_offset - PER_PAGE if next_offset < len(branches): query_params['branches_offset'] = next_offset next_branches_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) query_params['branches_offset'] = None if prev_offset >= 0: if prev_offset != 0: query_params['branches_offset'] = prev_offset prev_branches_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) heading = 'Branches - ' if origin_info: heading += 'origin: %s' % origin_info['url'] else: heading += 'snapshot: %s' % snapshot_id return render(request, 'browse/branches.html', {'heading': heading, 'swh_object_name': 'Branches', 'swh_object_metadata': {}, 'top_right_link': None, 'top_right_link_text': None, 'displayed_branches': displayed_branches, 'prev_branches_url': prev_branches_url, 'next_branches_url': next_branches_url, 'snapshot_context': snapshot_context}) def browse_snapshot_releases(request, snapshot_id=None, origin_type=None, origin_url=None, timestamp=None): """ Django view implementation for browsing a list of releases in a snapshot context. """ try: snapshot_context = _process_snapshot_request(request, snapshot_id, origin_type, origin_url, timestamp) except Exception as exc: return handle_view_exception(request, exc) releases_offset = int(request.GET.get('releases_offset', 0)) swh_type = snapshot_context['swh_type'] origin_info = snapshot_context['origin_info'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] releases = snapshot_context['releases'] displayed_releases = \ releases[releases_offset:releases_offset+PER_PAGE] for release in displayed_releases: if snapshot_id: release_url = reverse('browse-release', kwargs={'sha1_git': release['id']}, query_params={'snapshot_id': snapshot_id}) else: release_url = reverse('browse-release', kwargs={'sha1_git': release['id']}, - query_params={'origin_type': origin_info['type'], # noqa - 'origin': origin_info['url']}) # noqa + query_params={'origin_type': origin_type, + 'origin': origin_info['url']}) query_params['release'] = release['name'] del query_params['release'] release['release_url'] = release_url browse_view_name = 'browse-' + swh_type + '-releases' prev_releases_url = None next_releases_url = None next_offset = releases_offset + PER_PAGE prev_offset = releases_offset - PER_PAGE if next_offset < len(releases): query_params['releases_offset'] = next_offset next_releases_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) query_params['releases_offset'] = None if prev_offset >= 0: if prev_offset != 0: query_params['releases_offset'] = prev_offset prev_releases_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) heading = 'Releases - ' if origin_info: heading += 'origin: %s' % origin_info['url'] else: heading += 'snapshot: %s' % snapshot_id return render(request, 'browse/releases.html', {'heading': heading, 'top_panel_visible': False, 'top_panel_collapsible': False, 'swh_object_name': 'Releases', 'swh_object_metadata': {}, 'top_right_link': None, 'top_right_link_text': None, 'displayed_releases': displayed_releases, 'prev_releases_url': prev_releases_url, 'next_releases_url': next_releases_url, 'snapshot_context': snapshot_context, 'vault_cooking': None, 'show_actions_menu': False}) diff --git a/swh/web/common/service.py b/swh/web/common/service.py index af1f7e90..9adabb14 100644 --- a/swh/web/common/service.py +++ b/swh/web/common/service.py @@ -1,948 +1,948 @@ # Copyright (C) 2015-2018 The Software Heritage developers # See the AUTHORS file at the top-level directory of this distribution # License: GNU Affero General Public License version 3, or any later version # See top-level LICENSE file for more information import os from collections import defaultdict from swh.model import hashutil from swh.web.common import converters from swh.web.common import query from swh.web.common.exc import NotFoundExc from swh.web import config storage = config.storage() vault = config.vault() idx_storage = config.indexer_storage() MAX_LIMIT = 50 # Top limit the users can ask for def _first_element(l): """Returns the first element in the provided list or None if it is empty or None""" return next(iter(l or []), None) def lookup_multiple_hashes(hashes): """Lookup the passed hashes in a single DB connection, using batch processing. Args: An array of {filename: X, sha1: Y}, string X, hex sha1 string Y. Returns: The same array with elements updated with elem['found'] = true if the hash is present in storage, elem['found'] = false if not. """ hashlist = [hashutil.hash_to_bytes(elem['sha1']) for elem in hashes] content_missing = storage.content_missing_per_sha1(hashlist) missing = [hashutil.hash_to_hex(x) for x in content_missing] for x in hashes: x.update({'found': True}) for h in hashes: if h['sha1'] in missing: h['found'] = False return hashes def lookup_expression(expression, last_sha1, per_page): """Lookup expression in raw content. Args: expression (str): An expression to lookup through raw indexed content last_sha1 (str): Last sha1 seen per_page (int): Number of results per page Returns: List of ctags whose content match the expression """ limit = min(per_page, MAX_LIMIT) ctags = idx_storage.content_ctags_search(expression, last_sha1=last_sha1, limit=limit) for ctag in ctags: ctag = converters.from_swh(ctag, hashess={'id'}) ctag['sha1'] = ctag['id'] ctag.pop('id') yield ctag def lookup_hash(q): """Checks if the storage contains a given content checksum Args: query string of the form Returns: Dict with key found containing the hash info if the hash is present, None if not. """ algo, hash = query.parse_hash(q) found = storage.content_find({algo: hash}) return {'found': found, 'algo': algo} def search_hash(q): """Checks if the storage contains a given content checksum Args: query string of the form Returns: Dict with key found to True or False, according to whether the checksum is present or not """ algo, hash = query.parse_hash(q) found = storage.content_find({algo: hash}) return {'found': found is not None} def lookup_content_provenance(q): """Return provenance information from a specified content. Args: q: query string of the form Yields: provenance information (dict) list if the content is found. """ algo, hash = query.parse_hash(q) provenances = storage.content_find_provenance({algo: hash}) if not provenances: return None return (converters.from_provenance(p) for p in provenances) def _lookup_content_sha1(q): """Given a possible input, query for the content's sha1. Args: q: query string of the form Returns: binary sha1 if found or None """ algo, hash = query.parse_hash(q) if algo != 'sha1': hashes = storage.content_find({algo: hash}) if not hashes: return None return hashes['sha1'] return hash def lookup_content_ctags(q): """Return ctags information from a specified content. Args: q: query string of the form Yields: ctags information (dict) list if the content is found. """ sha1 = _lookup_content_sha1(q) if not sha1: return None ctags = list(idx_storage.content_ctags_get([sha1])) if not ctags: return None for ctag in ctags: yield converters.from_swh(ctag, hashess={'id'}) def lookup_content_filetype(q): """Return filetype information from a specified content. Args: q: query string of the form Yields: filetype information (dict) list if the content is found. """ sha1 = _lookup_content_sha1(q) if not sha1: return None filetype = _first_element(list(idx_storage.content_mimetype_get([sha1]))) if not filetype: return None return converters.from_filetype(filetype) def lookup_content_language(q): """Return language information from a specified content. Args: q: query string of the form Yields: language information (dict) list if the content is found. """ sha1 = _lookup_content_sha1(q) if not sha1: return None lang = _first_element(list(idx_storage.content_language_get([sha1]))) if not lang: return None return converters.from_swh(lang, hashess={'id'}) def lookup_content_license(q): """Return license information from a specified content. Args: q: query string of the form Yields: license information (dict) list if the content is found. """ sha1 = _lookup_content_sha1(q) if not sha1: return None lic = _first_element(idx_storage.content_fossology_license_get([sha1])) if not lic: return None return converters.from_swh({'id': sha1, 'facts': lic[sha1]}, hashess={'id'}) def lookup_origin(origin): """Return information about the origin matching dict origin. Args: origin: origin's dict with keys either 'id' or ('type' AND 'url') Returns: origin information as dict. """ origin_info = storage.origin_get(origin) if not origin_info: if 'id' in origin and origin['id']: msg = 'Origin with id %s not found!' % origin['id'] else: - msg = 'Origin of type %s and url %s not found!' % \ + msg = 'Origin with type %s and url %s not found!' % \ (origin['type'], origin['url']) raise NotFoundExc(msg) return converters.from_origin(origin_info) def search_origin(url_pattern, offset=0, limit=50, regexp=False): """Search for origins whose urls contain a provided string pattern or match a provided regular expression. Args: url_pattern: the string pattern to search for in origin urls offset: number of found origins to skip before returning results limit: the maximum number of found origins to return Returns: lisf of origin information as dict. """ origins = storage.origin_search(url_pattern, offset, limit, regexp) return map(converters.from_origin, origins) def lookup_person(person_id): """Return information about the person with id person_id. Args: person_id as string Returns: person information as dict. Raises: NotFoundExc if there is no person with the provided id. """ person = _first_element(storage.person_get([person_id])) if not person: raise NotFoundExc('Person with id %s not found' % person_id) return converters.from_person(person) def _to_sha1_bin(sha1_hex): _, sha1_git_bin = query.parse_hash_with_algorithms_or_throws( sha1_hex, ['sha1'], # HACK: sha1_git really 'Only sha1_git is supported.') return sha1_git_bin def lookup_directory(sha1_git): """Return information about the directory with id sha1_git. Args: sha1_git as string Returns: directory information as dict. """ empty_dir_sha1 = '4b825dc642cb6eb9a060e54bf8d69288fbee4904' if sha1_git == empty_dir_sha1: return [] sha1_git_bin = _to_sha1_bin(sha1_git) directory_entries = storage.directory_ls(sha1_git_bin) if directory_entries: return map(converters.from_directory_entry, directory_entries) else: raise NotFoundExc('Directory with sha1_git %s not found' % sha1_git) def lookup_directory_with_path(directory_sha1_git, path_string): """Return directory information for entry with path path_string w.r.t. root directory pointed by directory_sha1_git Args: - directory_sha1_git: sha1_git corresponding to the directory to which we append paths to (hopefully) find the entry - the relative path to the entry starting from the directory pointed by directory_sha1_git Raises: NotFoundExc if the directory entry is not found """ sha1_git_bin = _to_sha1_bin(directory_sha1_git) paths = path_string.strip(os.path.sep).split(os.path.sep) queried_dir = storage.directory_entry_get_by_path( sha1_git_bin, list(map(lambda p: p.encode('utf-8'), paths))) if not queried_dir: raise NotFoundExc(('Directory entry with path %s from %s not found') % (path_string, directory_sha1_git)) return converters.from_directory_entry(queried_dir) def lookup_release(release_sha1_git): """Return information about the release with sha1 release_sha1_git. Args: release_sha1_git: The release's sha1 as hexadecimal Returns: Release information as dict. Raises: ValueError if the identifier provided is not of sha1 nature. """ sha1_git_bin = _to_sha1_bin(release_sha1_git) release = _first_element(storage.release_get([sha1_git_bin])) if not release: raise NotFoundExc('Release with sha1_git %s not found.' % release_sha1_git) return converters.from_release(release) def lookup_release_multiple(sha1_git_list): """Return information about the revisions identified with their sha1_git identifiers. Args: sha1_git_list: A list of revision sha1_git identifiers Returns: Release information as dict. Raises: ValueError if the identifier provided is not of sha1 nature. """ sha1_bin_list = (_to_sha1_bin(sha1_git) for sha1_git in sha1_git_list) releases = storage.release_get(sha1_bin_list) or [] return (converters.from_release(r) for r in releases) def lookup_revision(rev_sha1_git): """Return information about the revision with sha1 revision_sha1_git. Args: revision_sha1_git: The revision's sha1 as hexadecimal Returns: Revision information as dict. Raises: ValueError if the identifier provided is not of sha1 nature. NotFoundExc if there is no revision with the provided sha1_git. """ sha1_git_bin = _to_sha1_bin(rev_sha1_git) revision = _first_element(storage.revision_get([sha1_git_bin])) if not revision: raise NotFoundExc('Revision with sha1_git %s not found.' % rev_sha1_git) return converters.from_revision(revision) def lookup_revision_multiple(sha1_git_list): """Return information about the revisions identified with their sha1_git identifiers. Args: sha1_git_list: A list of revision sha1_git identifiers Returns: Generator of revisions information as dict. Raises: ValueError if the identifier provided is not of sha1 nature. """ sha1_bin_list = (_to_sha1_bin(sha1_git) for sha1_git in sha1_git_list) revisions = storage.revision_get(sha1_bin_list) or [] return (converters.from_revision(r) for r in revisions) def lookup_revision_message(rev_sha1_git): """Return the raw message of the revision with sha1 revision_sha1_git. Args: revision_sha1_git: The revision's sha1 as hexadecimal Returns: Decoded revision message as dict {'message': } Raises: ValueError if the identifier provided is not of sha1 nature. NotFoundExc if the revision is not found, or if it has no message """ sha1_git_bin = _to_sha1_bin(rev_sha1_git) revision = _first_element(storage.revision_get([sha1_git_bin])) if not revision: raise NotFoundExc('Revision with sha1_git %s not found.' % rev_sha1_git) if 'message' not in revision: raise NotFoundExc('No message for revision with sha1_git %s.' % rev_sha1_git) res = {'message': revision['message']} return res def lookup_revision_by(origin_id, branch_name="refs/heads/master", timestamp=None): """Lookup revisions by origin_id, branch_name and timestamp. If: - branch_name is not provided, lookup using 'refs/heads/master' as default. - ts is not provided, use the most recent Args: - origin_id: origin of the revision. - branch_name: revision's branch. - timestamp: revision's time frame. Yields: The revisions matching the criterions. Raises: NotFoundExc if no revision corresponds to the criterion """ res = _first_element(storage.revision_get_by(origin_id, branch_name, timestamp=timestamp, limit=1)) if not res: raise NotFoundExc('Revision for origin %s and branch %s not found.' % (origin_id, branch_name)) return converters.from_revision(res) def lookup_revision_log(rev_sha1_git, limit): """Return information about the revision with sha1 revision_sha1_git. Args: revision_sha1_git: The revision's sha1 as hexadecimal limit: the maximum number of revisions returned Returns: Revision information as dict. Raises: ValueError if the identifier provided is not of sha1 nature. NotFoundExc if there is no revision with the provided sha1_git. """ sha1_git_bin = _to_sha1_bin(rev_sha1_git) revision_entries = storage.revision_log([sha1_git_bin], limit) if not revision_entries: raise NotFoundExc('Revision with sha1_git %s not found.' % rev_sha1_git) return map(converters.from_revision, revision_entries) def lookup_revision_log_by(origin_id, branch_name, timestamp, limit): """Return information about the revision with sha1 revision_sha1_git. Args: origin_id: origin of the revision branch_name: revision's branch timestamp: revision's time frame limit: the maximum number of revisions returned Returns: Revision information as dict. Raises: NotFoundExc if no revision corresponds to the criterion """ revision_entries = storage.revision_log_by(origin_id, branch_name, timestamp, limit=limit) if not revision_entries: return None return map(converters.from_revision, revision_entries) def lookup_revision_with_context_by(origin_id, branch_name, ts, sha1_git, limit=100): """Return information about revision sha1_git, limited to the sub-graph of all transitive parents of sha1_git_root. sha1_git_root being resolved through the lookup of a revision by origin_id, branch_name and ts. In other words, sha1_git is an ancestor of sha1_git_root. Args: - origin_id: origin of the revision. - branch_name: revision's branch. - timestamp: revision's time frame. - sha1_git: one of sha1_git_root's ancestors. - limit: limit the lookup to 100 revisions back. Returns: Pair of (root_revision, revision). Information on sha1_git if it is an ancestor of sha1_git_root including children leading to sha1_git_root Raises: - BadInputExc in case of unknown algo_hash or bad hash. - NotFoundExc if either revision is not found or if sha1_git is not an ancestor of sha1_git_root. """ rev_root = _first_element(storage.revision_get_by(origin_id, branch_name, timestamp=ts, limit=1)) if not rev_root: raise NotFoundExc('Revision with (origin_id: %s, branch_name: %s' ', ts: %s) not found.' % (origin_id, branch_name, ts)) return (converters.from_revision(rev_root), lookup_revision_with_context(rev_root, sha1_git, limit)) def lookup_revision_with_context(sha1_git_root, sha1_git, limit=100): """Return information about revision sha1_git, limited to the sub-graph of all transitive parents of sha1_git_root. In other words, sha1_git is an ancestor of sha1_git_root. Args: sha1_git_root: latest revision. The type is either a sha1 (as an hex string) or a non converted dict. sha1_git: one of sha1_git_root's ancestors limit: limit the lookup to 100 revisions back Returns: Information on sha1_git if it is an ancestor of sha1_git_root including children leading to sha1_git_root Raises: BadInputExc in case of unknown algo_hash or bad hash NotFoundExc if either revision is not found or if sha1_git is not an ancestor of sha1_git_root """ sha1_git_bin = _to_sha1_bin(sha1_git) revision = _first_element(storage.revision_get([sha1_git_bin])) if not revision: raise NotFoundExc('Revision %s not found' % sha1_git) if isinstance(sha1_git_root, str): sha1_git_root_bin = _to_sha1_bin(sha1_git_root) revision_root = _first_element(storage.revision_get([sha1_git_root_bin])) # noqa if not revision_root: raise NotFoundExc('Revision root %s not found' % sha1_git_root) else: sha1_git_root_bin = sha1_git_root['id'] revision_log = storage.revision_log([sha1_git_root_bin], limit) parents = {} children = defaultdict(list) for rev in revision_log: rev_id = rev['id'] parents[rev_id] = [] for parent_id in rev['parents']: parents[rev_id].append(parent_id) children[parent_id].append(rev_id) if revision['id'] not in parents: raise NotFoundExc('Revision %s is not an ancestor of %s' % (sha1_git, sha1_git_root)) revision['children'] = children[revision['id']] return converters.from_revision(revision) def lookup_directory_with_revision(sha1_git, dir_path=None, with_data=False): """Return information on directory pointed by revision with sha1_git. If dir_path is not provided, display top level directory. Otherwise, display the directory pointed by dir_path (if it exists). Args: sha1_git: revision's hash. dir_path: optional directory pointed to by that revision. with_data: boolean that indicates to retrieve the raw data if the path resolves to a content. Default to False (for the api) Returns: Information on the directory pointed to by that revision. Raises: BadInputExc in case of unknown algo_hash or bad hash. NotFoundExc either if the revision is not found or the path referenced does not exist. NotImplementedError in case of dir_path exists but do not reference a type 'dir' or 'file'. """ sha1_git_bin = _to_sha1_bin(sha1_git) revision = _first_element(storage.revision_get([sha1_git_bin])) if not revision: raise NotFoundExc('Revision %s not found' % sha1_git) dir_sha1_git_bin = revision['directory'] if dir_path: paths = dir_path.strip(os.path.sep).split(os.path.sep) entity = storage.directory_entry_get_by_path( dir_sha1_git_bin, list(map(lambda p: p.encode('utf-8'), paths))) if not entity: raise NotFoundExc( "Directory or File '%s' pointed to by revision %s not found" % (dir_path, sha1_git)) else: entity = {'type': 'dir', 'target': dir_sha1_git_bin} if entity['type'] == 'dir': directory_entries = storage.directory_ls(entity['target']) or [] return {'type': 'dir', 'path': '.' if not dir_path else dir_path, 'revision': sha1_git, 'content': map(converters.from_directory_entry, directory_entries)} elif entity['type'] == 'file': # content content = storage.content_find({'sha1_git': entity['target']}) if with_data: c = _first_element(storage.content_get([content['sha1']])) content['data'] = c['data'] return {'type': 'file', 'path': '.' if not dir_path else dir_path, 'revision': sha1_git, 'content': converters.from_content(content)} else: raise NotImplementedError('Entity of type %s not implemented.' % entity['type']) def lookup_content(q): """Lookup the content designed by q. Args: q: The release's sha1 as hexadecimal Raises: NotFoundExc if the requested content is not found """ algo, hash = query.parse_hash(q) c = storage.content_find({algo: hash}) if not c: raise NotFoundExc('Content with %s checksum equals to %s not found!' % (algo, hashutil.hash_to_hex(hash))) return converters.from_content(c) def lookup_content_raw(q): """Lookup the content defined by q. Args: q: query string of the form Returns: dict with 'sha1' and 'data' keys. data representing its raw data decoded. Raises: NotFoundExc if the requested content is not found or if the content bytes are not available in the storage """ c = lookup_content(q) content = _first_element(storage.content_get([c['checksums']['sha1']])) if not content: algo, hash = query.parse_hash(q) raise NotFoundExc('Bytes of content with %s checksum equals to %s ' 'are not available!' % (algo, hashutil.hash_to_hex(hash))) return converters.from_content(content) def stat_counters(): """Return the stat counters for Software Heritage Returns: A dict mapping textual labels to integer values. """ return storage.stat_counters() def _lookup_origin_visits(origin_id, last_visit=None, limit=10): """Yields the origin origin_ids' visits. Args: origin_id (int): origin to list visits for last_visit (int): last visit to lookup from limit (int): Number of elements max to display Yields: Dictionaries of origin_visit for that origin """ limit = min(limit, MAX_LIMIT) yield from storage.origin_visit_get( origin_id, last_visit=last_visit, limit=limit) def lookup_origin_visits(origin_id, last_visit=None, per_page=10): """Yields the origin origin_ids' visits. Args: origin_id: origin to list visits for Yields: Dictionaries of origin_visit for that origin """ visits = _lookup_origin_visits(origin_id, last_visit=last_visit, limit=per_page) for visit in visits: yield converters.from_origin_visit(visit) def lookup_origin_visit(origin_id, visit_id): """Return information about visit visit_id with origin origin_id. Args: origin_id: origin concerned by the visit visit_id: the visit identifier to lookup Yields: The dict origin_visit concerned """ visit = storage.origin_visit_get_by(origin_id, visit_id) if not visit: raise NotFoundExc('Origin with id %s or its visit ' 'with id %s not found!' % (origin_id, visit_id)) return converters.from_origin_visit(visit) def lookup_snapshot(snapshot_id): """Return information about a snapshot, aka the list of named branches found during a specific visit of an origin. Args: snapshot_id: sha1 identifier of the snapshot Returns: A dict filled with the snapshot content. """ snapshot_id_bin = _to_sha1_bin(snapshot_id) snapshot = storage.snapshot_get(snapshot_id_bin) if not snapshot: raise NotFoundExc('Snapshot with id %s not found!' % snapshot_id) return converters.from_snapshot(snapshot) def lookup_latest_origin_snapshot(origin_id, allowed_statuses=None): """Return information about the latest snapshot of an origin. Args: origin_id: integer identifier of the origin allowed_statuses: list of visit statuses considered to find the latest snapshot for the visit. For instance, ``allowed_statuses=['full']`` will only consider visits that have successfully run to completion. Returns: A dict filled with the snapshot content. """ snapshot = storage.snapshot_get_latest(origin_id, allowed_statuses) return converters.from_snapshot(snapshot) def lookup_entity_by_uuid(uuid): """Return the entity's hierarchy from its uuid. Args: uuid: entity's identifier. Returns: List of hierarchy entities from the entity with uuid. """ uuid = query.parse_uuid4(uuid) for entity in storage.entity_get(uuid): entity = converters.from_swh(entity, convert={'last_seen', 'uuid'}, convert_fn=lambda x: str(x)) yield entity def lookup_revision_through(revision, limit=100): """Retrieve a revision from the criterion stored in revision dictionary. Args: revision: Dictionary of criterion to lookup the revision with. Here are the supported combination of possible values: - origin_id, branch_name, ts, sha1_git - origin_id, branch_name, ts - sha1_git_root, sha1_git - sha1_git Returns: None if the revision is not found or the actual revision. """ if 'origin_id' in revision and \ 'branch_name' in revision and \ 'ts' in revision and \ 'sha1_git' in revision: return lookup_revision_with_context_by(revision['origin_id'], revision['branch_name'], revision['ts'], revision['sha1_git'], limit) if 'origin_id' in revision and \ 'branch_name' in revision and \ 'ts' in revision: return lookup_revision_by(revision['origin_id'], revision['branch_name'], revision['ts']) if 'sha1_git_root' in revision and \ 'sha1_git' in revision: return lookup_revision_with_context(revision['sha1_git_root'], revision['sha1_git'], limit) if 'sha1_git' in revision: return lookup_revision(revision['sha1_git']) # this should not happen raise NotImplementedError('Should not happen!') def lookup_directory_through_revision(revision, path=None, limit=100, with_data=False): """Retrieve the directory information from the revision. Args: revision: dictionary of criterion representing a revision to lookup path: directory's path to lookup. limit: optional query parameter to limit the revisions log (default to 100). For now, note that this limit could impede the transitivity conclusion about sha1_git not being an ancestor of. with_data: indicate to retrieve the content's raw data if path resolves to a content. Returns: The directory pointing to by the revision criterions at path. """ rev = lookup_revision_through(revision, limit) if not rev: raise NotFoundExc('Revision with criterion %s not found!' % revision) return (rev['id'], lookup_directory_with_revision(rev['id'], path, with_data)) def vault_cook(obj_type, obj_id, email=None): """Cook a vault bundle. """ return vault.cook(obj_type, obj_id, email=email) def vault_fetch(obj_type, obj_id): """Fetch a vault bundle. """ return vault.fetch(obj_type, obj_id) def vault_progress(obj_type, obj_id): """Get the current progress of a vault bundle. """ return vault.progress(obj_type, obj_id) def diff_revision(rev_id): """Get the list of file changes (insertion / deletion / modification / renaming) for a particular revision. """ rev_sha1_git_bin = _to_sha1_bin(rev_id) changes = storage.diff_revision(rev_sha1_git_bin, track_renaming=True) for change in changes: change['from'] = converters.from_directory_entry(change['from']) change['to'] = converters.from_directory_entry(change['to']) if change['from_path']: change['from_path'] = change['from_path'].decode('utf-8') if change['to_path']: change['to_path'] = change['to_path'].decode('utf-8') return changes diff --git a/swh/web/tests/browse/test_utils.py b/swh/web/tests/browse/test_utils.py index 9119a053..95bc345f 100644 --- a/swh/web/tests/browse/test_utils.py +++ b/swh/web/tests/browse/test_utils.py @@ -1,398 +1,399 @@ # Copyright (C) 2017-2018 The Software Heritage developers # See the AUTHORS file at the top-level directory of this distribution # License: GNU Affero General Public License version 3, or any later version # See top-level LICENSE file for more information # flake8: noqa import unittest from unittest.mock import patch from nose.tools import istest from swh.web.browse import utils from swh.web.common.exc import NotFoundExc from swh.web.common.utils import reverse from swh.web.tests.testbase import SWHWebTestBase from .views.data.revision_test_data import revision_history_log_test class SwhBrowseUtilsTestCase(SWHWebTestBase, unittest.TestCase): @istest def get_mimetype_and_encoding_for_content(self): text = b'Hello world!' self.assertEqual(utils.get_mimetype_and_encoding_for_content(text), ('text/plain', 'us-ascii')) @patch('swh.web.browse.utils.get_origin_visits') @istest def get_origin_visit(self, mock_origin_visits): origin_info = { 'id': 2, 'type': 'git', 'url': 'https://github.com/foo/bar', } visits = \ [{'status': 'full', 'date': '2015-07-09T21:09:24+00:00', 'visit': 1, 'origin': origin_info['id'] }, {'status': 'full', 'date': '2016-02-23T18:05:23.312045+00:00', 'visit': 2, 'origin': origin_info['id'] }, {'status': 'full', 'date': '2016-03-28T01:35:06.554111+00:00', 'visit': 3, 'origin': origin_info['id'] }, {'status': 'full', 'date': '2016-06-18T01:22:24.808485+00:00', 'visit': 4, 'origin': origin_info['id'] }, {'status': 'full', 'date': '2016-08-14T12:10:00.536702+00:00', 'visit': 5, 'origin': origin_info['id'] }] mock_origin_visits.return_value = visits visit_id = 12 with self.assertRaises(NotFoundExc) as cm: visit = utils.get_origin_visit(origin_info, visit_id=visit_id) exception_text = cm.exception.args[0] self.assertIn('Visit with id %s' % visit_id, exception_text) self.assertIn('type %s' % origin_info['type'], exception_text) self.assertIn('url %s' % origin_info['url'], exception_text) visit = utils.get_origin_visit(origin_info, visit_id=2) self.assertEqual(visit, visits[1]) visit = utils.get_origin_visit( origin_info, visit_ts='2016-02-23T18:05:23.312045+00:00') self.assertEqual(visit, visits[1]) visit = utils.get_origin_visit( origin_info, visit_ts='2016-02-20') self.assertEqual(visit, visits[1]) visit = utils.get_origin_visit( origin_info, visit_ts='2016-06-18T01:22') self.assertEqual(visit, visits[3]) visit = utils.get_origin_visit( origin_info, visit_ts='2016-06-18 01:22') self.assertEqual(visit, visits[3]) visit = utils.get_origin_visit( origin_info, visit_ts=1466208000) self.assertEqual(visit, visits[3]) visit = utils.get_origin_visit( origin_info, visit_ts='2014-01-01') self.assertEqual(visit, visits[0]) visit = utils.get_origin_visit( origin_info, visit_ts='2018-01-01') self.assertEqual(visit, visits[-1]) @patch('swh.web.browse.utils.service') @patch('swh.web.browse.utils.get_origin_visit') @istest def get_origin_visit_snapshot(self, mock_get_origin_visit, mock_service): mock_get_origin_visit.return_value = \ {'status': 'full', 'date': '2015-08-04T22:26:14.804009+00:00', 'visit': 1, 'origin': 1, 'snapshot': '584b2fe3ce6218a96892e73bd76c2966bbc2a797'} mock_service.lookup_snapshot.return_value = \ {'branches': { 'refs/heads/master': { 'target': '9fbd21adbac36be869514e82e2e98505dc47219c', 'target_type': 'revision', 'target_url': '/api/1/revision/9fbd21adbac36be869514e82e2e98505dc47219c/' }, 'refs/tags/0.10.0': { 'target': '6072557b6c10cd9a21145781e26ad1f978ed14b9', 'target_type': 'release', 'target_url': '/api/1/release/6072557b6c10cd9a21145781e26ad1f978ed14b9/' }, 'refs/tags/0.10.1': { 'target': 'ecc003b43433e5b46511157598e4857a761007bf', 'target_type': 'release', 'target_url': '/api/1/release/ecc003b43433e5b46511157598e4857a761007bf/' } }, 'id': '584b2fe3ce6218a96892e73bd76c2966bbc2a797'} mock_service.lookup_release_multiple.return_value = \ [{'name': '0.10.0', 'message': 'release 0.10.0', 'id': '6072557b6c10cd9a21145781e26ad1f978ed14b9', 'date': '2015-08-04T13:16:54+03:00', 'target_type': 'revision', 'target': 'e9c6243371087d04848b7686888f6dd29dfaef0e'}, {'name': '0.10.1', 'message': 'release 0.10.1', 'id': 'ecc003b43433e5b46511157598e4857a761007bf', 'date': '2017-08-04T13:16:54+03:00', 'target_type': 'revision', 'target': '6072557b6c10cd9a21145781e26ad1f978ed14b9'}] mock_service.lookup_revision_multiple.return_value = \ [{'date': '2015-08-04T13:16:54+03:00', 'directory': '828da2b80e41aa958b2c98526f4a1d2cc7d298b7', 'id': '9fbd21adbac36be869514e82e2e98505dc47219c', 'message': 'Merge pull request #678 from algernon'}, {'date': '2014-04-10T23:01:11-04:00', 'directory': '2df4cd84ecc65b50b1d5318d3727e02a39b8a4cf', 'id': '6072557b6c10cd9a21145781e26ad1f978ed14b9', 'message': '0.10: The "Oh fuck it\'s PyCon" release\n'}, {'date': '2014-10-10T09:45:23-04:00', 'directory': '28ba64f97ef709e54838ae482c2da2619a74a0bd', 'id': 'ecc003b43433e5b46511157598e4857a761007bf', 'message': '0.10.1\n'}] expected_result = ( [{'name': 'refs/heads/master', 'message': 'Merge pull request #678 from algernon', 'date': '04 August 2015, 10:16 UTC', 'revision': '9fbd21adbac36be869514e82e2e98505dc47219c', 'directory': '828da2b80e41aa958b2c98526f4a1d2cc7d298b7'}], [{'name': '0.10.0', 'id': '6072557b6c10cd9a21145781e26ad1f978ed14b9', 'message': 'release 0.10.0', 'date': '04 August 2015, 10:16 UTC', 'target_type': 'revision', 'target': 'e9c6243371087d04848b7686888f6dd29dfaef0e', 'directory': '2df4cd84ecc65b50b1d5318d3727e02a39b8a4cf'}, {'name': '0.10.1', 'id': 'ecc003b43433e5b46511157598e4857a761007bf', 'message': 'release 0.10.1', 'date': '04 August 2017, 10:16 UTC', 'target_type': 'revision', 'target': '6072557b6c10cd9a21145781e26ad1f978ed14b9', 'directory': '28ba64f97ef709e54838ae482c2da2619a74a0bd'}] ) origin_info = { 'id': 1, 'type': 'git', 'url': 'https://github.com/hylang/hy' } origin_visit_branches = \ utils.get_origin_visit_snapshot(origin_info, visit_id=1) self.assertEqual(origin_visit_branches, expected_result) @istest def gen_link(self): self.assertEqual(utils.gen_link('https://www.softwareheritage.org/', 'SWH'), 'SWH') @istest def gen_person_link(self): person_id = 8221896 person_name = 'Antoine Lambert' person_url = reverse('browse-person', kwargs={'person_id': person_id}) self.assertEqual(utils.gen_person_link(person_id, person_name), '%s' % (person_url, person_name)) @istest def gen_revision_link(self): revision_id = '28a0bc4120d38a394499382ba21d6965a67a3703' revision_url = reverse('browse-revision', kwargs={'sha1_git': revision_id}) self.assertEqual(utils.gen_revision_link(revision_id), '%s' % (revision_url, revision_id)) self.assertEqual(utils.gen_revision_link(revision_id, shorten_id=True), '%s' % (revision_url, revision_id[:7])) @istest def prepare_revision_log_for_display_no_contex(self): per_page = 10 first_page_logs_data = revision_history_log_test[:per_page+1] second_page_logs_data = revision_history_log_test[per_page:2*per_page+1] third_page_logs_data = revision_history_log_test[2*per_page:3*per_page+1] last_page_logs_data = revision_history_log_test[3*per_page:3*per_page+5] revision_log_display_data = utils.prepare_revision_log_for_display( first_page_logs_data, per_page, None) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(first_page_logs_data, per_page)) self.assertEqual(revision_log_display_data['prev_rev'], first_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], first_page_logs_data[0]['id']) self.assertEqual(revision_log_display_data['next_rev'], None) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], None) old_prev_revs_bc = str(revision_log_display_data['prev_revs_breadcrumb']) revision_log_display_data = utils.prepare_revision_log_for_display( second_page_logs_data, per_page, old_prev_revs_bc) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(second_page_logs_data, per_page)) self.assertEqual(revision_log_display_data['prev_rev'], second_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], old_prev_revs_bc + '/' + second_page_logs_data[0]['id']) self.assertEqual(revision_log_display_data['next_rev'], old_prev_revs_bc) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], None) old_prev_revs_bc = str(revision_log_display_data['prev_revs_breadcrumb']) revision_log_display_data = utils.prepare_revision_log_for_display( third_page_logs_data, per_page, old_prev_revs_bc) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(third_page_logs_data, per_page)) self.assertEqual(revision_log_display_data['prev_rev'], third_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], old_prev_revs_bc + '/' + third_page_logs_data[0]['id']) self.assertEqual(revision_log_display_data['next_rev'], old_prev_revs_bc.split('/')[-1]) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], '/'.join(old_prev_revs_bc.split('/')[:-1])) old_prev_revs_bc = str(revision_log_display_data['prev_revs_breadcrumb']) revision_log_display_data = utils.prepare_revision_log_for_display( last_page_logs_data, per_page, old_prev_revs_bc) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(last_page_logs_data, per_page)) self.assertEqual(revision_log_display_data['prev_rev'], None) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], None) self.assertEqual(revision_log_display_data['next_rev'], old_prev_revs_bc.split('/')[-1]) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], '/'.join(old_prev_revs_bc.split('/')[:-1])) @istest def prepare_revision_log_for_display_snapshot_context(self): per_page = 10 first_page_logs_data = revision_history_log_test[:per_page+1] second_page_logs_data = revision_history_log_test[per_page:2*per_page+1] third_page_logs_data = revision_history_log_test[2*per_page:3*per_page+1] last_page_logs_data = revision_history_log_test[3*per_page:3*per_page+5] snapshot_context = { 'origin_info': {'type': 'git', 'url': 'https://github.com/git/git'}, + 'origin_type': 'git', 'url_args': {}, 'query_params': {} } revision_log_display_data = utils.prepare_revision_log_for_display( first_page_logs_data, per_page, None, snapshot_context=snapshot_context) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(first_page_logs_data, per_page, snapshot_context=snapshot_context)) self.assertEqual(revision_log_display_data['prev_rev'], first_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], first_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['next_rev'], None) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], None) old_prev_revs_bc = str(revision_log_display_data['prev_revs_breadcrumb']) revision_log_display_data = utils.prepare_revision_log_for_display( second_page_logs_data, per_page, old_prev_revs_bc, snapshot_context=snapshot_context) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(second_page_logs_data, per_page, snapshot_context=snapshot_context)) self.assertEqual(revision_log_display_data['prev_rev'], second_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], old_prev_revs_bc + '/' + second_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['next_rev'], old_prev_revs_bc) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], None) old_prev_revs_bc = str(revision_log_display_data['prev_revs_breadcrumb']) revision_log_display_data = utils.prepare_revision_log_for_display( third_page_logs_data, per_page, old_prev_revs_bc, snapshot_context=snapshot_context) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(third_page_logs_data, per_page, snapshot_context=snapshot_context)) self.assertEqual(revision_log_display_data['prev_rev'], third_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], old_prev_revs_bc + '/' + third_page_logs_data[-1]['id']) self.assertEqual(revision_log_display_data['next_rev'], old_prev_revs_bc.split('/')[-1]) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], '/'.join(old_prev_revs_bc.split('/')[:-1])) old_prev_revs_bc = str(revision_log_display_data['prev_revs_breadcrumb']) revision_log_display_data = utils.prepare_revision_log_for_display( last_page_logs_data, per_page, old_prev_revs_bc, snapshot_context=snapshot_context) self.assertEqual(revision_log_display_data['revision_log_data'], utils._format_log_entries(last_page_logs_data, per_page, snapshot_context=snapshot_context)) self.assertEqual(revision_log_display_data['prev_rev'], None) self.assertEqual(revision_log_display_data['prev_revs_breadcrumb'], None) self.assertEqual(revision_log_display_data['next_rev'], old_prev_revs_bc.split('/')[-1]) self.assertEqual(revision_log_display_data['next_revs_breadcrumb'], '/'.join(old_prev_revs_bc.split('/')[:-1]))