diff --git a/swh/web/browse/views/utils/snapshot_context.py b/swh/web/browse/views/utils/snapshot_context.py index 7b049b82a..804680e23 100644 --- a/swh/web/browse/views/utils/snapshot_context.py +++ b/swh/web/browse/views/utils/snapshot_context.py @@ -1,935 +1,939 @@ # 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.model.identifiers import snapshot_identifier 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, process_snapshot_branches ) 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 ) _empty_snapshot_id = snapshot_identifier({'branches': {}}) def _get_branch(branches, branch_name, snapshot_id): """ 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] else: # case where a large branches list has been truncated snp_branch = service.lookup_snapshot(snapshot_id, branches_from=branch_name, branches_count=1, target_types=['revision']) snp_branch, _ = process_snapshot_branches(snp_branch['branches']) if snp_branch: branches.append(snp_branch[0]) return snp_branch[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'] if snapshot_context['visit_info']: timestamp = format_utc_iso_date(snapshot_context['visit_info']['date'], '%Y-%m-%dT%H:%M:%SZ') snapshot_context['timestamp'] = \ format_utc_iso_date(snapshot_context['visit_info']['date']) browse_view_name = 'browse-' + swh_type + '-' + browse_context root_sha1_git = None revision_id = request.GET.get('revision', None) release_name = request.GET.get('release', None) release_id = None branch_name = None snapshot_total_size = sum(snapshot_context['snapshot_size'].values()) if snapshot_total_size and 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 snapshot_total_size and 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) elif snapshot_total_size: branch_name = request.GET.get('branch', None) if branch_name: query_params['branch'] = branch_name branch = _get_branch(branches, branch_name or 'HEAD', snapshot_context['snapshot_id']) 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) for b in branches: branch_url_args = dict(url_args) branch_query_params = dict(query_params) + if 'release' in branch_query_params: + del branch_query_params['release'] 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) + if 'branch' in release_query_params: + del release_query_params['branch'] 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) 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 root_sha1_git and 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 = [] if sha1_git: 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 = [] if root_sha1_git: 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: if d['type'] == 'rev': d['url'] = reverse('browse-revision', kwargs={'sha1_git': d['target']}) else: 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) if f['length'] is not None: 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 = None if snapshot_id != _empty_snapshot_id: history_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) nb_files = None nb_dirs = None sum_file_sizes = None dir_path = None if root_sha1_git: nb_files = len(files) nb_dirs = len(dirs) sum_file_sizes = filesizeformat(sum_file_sizes) dir_path = '/' + path 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': nb_files, 'number of subdirectories': nb_dirs, 'sum of regular file sizes': sum_file_sizes, 'path': dir_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 if root_sha1_git else [], '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'] sha1_git = None query_string = None content_data = None if 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 and 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)]) if root_sha1_git: 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 = None if query_string: 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, 'path': None, 'filename': None, 'revision id': revision_id, 'revision': browse_rev_link, 'snapshot id': snapshot_id } cnt_sha1_git = None content_size = None error_code = 200 error_description = '' error_message = '' if content_data: content_metadata['sha1 checksum'] = \ content_data['checksums']['sha1'] content_metadata['sha1_git checksum'] = \ content_data['checksums']['sha1_git'] content_metadata['sha256 checksum'] = \ content_data['checksums']['sha256'] content_metadata['blake2s256 checksum'] = \ content_data['checksums']['blake2s256'] content_metadata['mime type'] = content_data['mimetype'] content_metadata['encoding'] = content_data['encoding'] content_metadata['size'] = filesizeformat(content_data['length']) content_metadata['language'] = content_data['language'] content_metadata['licenses'] = content_data['licenses'] content_metadata['path'] = '/' + path[:-len(filename)] content_metadata['filename'] = filename cnt_sha1_git = content_data['checksums']['sha1_git'] content_size = content_data['length'] error_code = content_data['error_code'] error_message = content_data['error_message'] error_description = content_data['error_description'] 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 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_size, 'max_content_size': content_display_max_size, 'mimetype': mimetype, 'language': language, 'breadcrumbs': breadcrumbs if root_sha1_git else [], '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': error_code, 'error_message': error_message, 'error_description': error_description}, status=error_code) PER_PAGE = 100 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 = [] if current_rev: revision_log = list(service.lookup_revision_log(current_rev, limit=per_page+1)) 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_data = [] next_log_url = '' prev_log_url = '' if revision_log: 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'] # noqa 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'] # noqa 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) branches_bc = request.GET.get('branches_breadcrumbs', '') branches_bc = \ branches_bc.split(',') if branches_bc else [] branches_from = branches_bc[-1] if branches_bc else '' 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' displayed_branches = \ service.lookup_snapshot(snapshot_context['snapshot_id'], branches_from, PER_PAGE+1, target_types=['revision'])['branches'] except Exception as exc: return handle_view_exception(request, exc) displayed_branches, _ = process_snapshot_branches(displayed_branches) 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_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 if branches_bc: query_params_prev = dict(query_params) query_params_prev['branches_breadcrumbs'] = \ ','.join(branches_bc[:-1]) prev_branches_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params_prev) elif branches_from: prev_branches_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) if len(displayed_branches) > PER_PAGE: query_params_next = dict(query_params) next_branch = displayed_branches[-1]['name'] del displayed_branches[-1] branches_bc.append(next_branch) query_params_next['branches_breadcrumbs'] = \ ','.join(branches_bc) next_branches_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params_next) 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) rel_bc = request.GET.get('releases_breadcrumbs', '') rel_bc = \ rel_bc.split(',') if rel_bc else [] rel_from = rel_bc[-1] if rel_bc else '' swh_type = snapshot_context['swh_type'] origin_info = snapshot_context['origin_info'] url_args = snapshot_context['url_args'] query_params = snapshot_context['query_params'] displayed_releases = \ service.lookup_snapshot(snapshot_context['snapshot_id'], rel_from, PER_PAGE+1, target_types=['release'])['branches'] except Exception as exc: return handle_view_exception(request, exc) _, displayed_releases = process_snapshot_branches(displayed_releases) 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_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 if rel_bc: query_params_prev = dict(query_params) query_params_prev['releases_breadcrumbs'] = \ ','.join(rel_bc[:-1]) prev_releases_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params_prev) elif rel_from: prev_releases_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params) if len(displayed_releases) > PER_PAGE: query_params_next = dict(query_params) next_rel = displayed_releases[-1]['branch_name'] del displayed_releases[-1] rel_bc.append(next_rel) query_params_next['releases_breadcrumbs'] = \ ','.join(rel_bc) next_releases_url = reverse(browse_view_name, kwargs=url_args, query_params=query_params_next) 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})