# Copyright (C) 2015-2019 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.storage.algos import revisions_walker from swh.web.common import converters from swh.web.common import query from swh.web.common.exc import NotFoundExc from swh.web.common.origin_visits import get_origin_visit 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 Yields: 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 = _first_element(storage.content_find({algo: hash})) return {'found': converters.from_content(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 = _first_element(storage.content_find({algo: hash})) return {'found': found is not None} 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 = _first_element(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 with type %s and url %s not found!' % \ (origin['type'], origin['url']) raise NotFoundExc(msg) return converters.from_origin(origin_info) def lookup_origins(origin_from=1, origin_count=100): """Get list of archived software origins in a paginated way. Origins are sorted by id before returning them Args: origin_from (int): The minimum id of the origins to return origin_count (int): The maximum number of origins to return Yields: origins information as dicts """ origins = storage.origin_get_range(origin_from, origin_count) return map(converters.from_origin, origins) def search_origin(url_pattern, offset=0, limit=50, regexp=False, with_visit=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: list of origin information as dict. """ origins = storage.origin_search(url_pattern, offset, limit, regexp, with_visit) return map(converters.from_origin, origins) def search_origin_metadata(fulltext, limit=50): """Search for origins whose metadata match a provided string pattern. Args: fulltext: the string pattern to search for in origin metadata offset: number of found origins to skip before returning results limit: the maximum number of found origins to return Returns: list of origin metadata as dict. """ matches = idx_storage.origin_intrinsic_metadata_search_fulltext( conjunction=[fulltext], limit=limit) results = [] for match in matches: match['from_revision'] = hashutil.hash_to_hex(match['from_revision']) result = converters.from_origin( storage.origin_get({'id': match.pop('id')})) result['metadata'] = match results.append(result) return results def lookup_origin_intrinsic_metadata(origin_dict): """Return intrinsic metadata for origin whose origin_id matches given origin_id. Args: origin_dict: origin's dict with keys ('type' AND 'url') Returns: origin metadata. """ origin_info = storage.origin_get(origin_dict) if not origin_info: msg = 'Origin with type %s and url %s not found!' % \ (origin_dict['type'], origin_dict['url']) raise NotFoundExc(msg) origin_ids = [origin_info['id']] match = _first_element( idx_storage.origin_intrinsic_metadata_get(origin_ids)) result = {} if match: result = match['metadata'] return result 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([int(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 _check_directory_exists(sha1_git, sha1_git_bin): if len(list(storage.directory_missing([sha1_git_bin]))): raise NotFoundExc('Directory with sha1_git %s not found' % sha1_git) 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) _check_directory_exists(sha1_git, sha1_git_bin) directory_entries = storage.directory_ls(sha1_git_bin) return map(converters.from_directory_entry, directory_entries) def lookup_directory_with_path(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(sha1_git) _check_directory_exists(sha1_git, sha1_git_bin) 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, 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_id_by(origin_id, branch_name, timestamp): def _get_snapshot_branch(snapshot, branch_name): snapshot = lookup_snapshot(visit['snapshot'], branches_from=branch_name, branches_count=10) branch = None if branch_name in snapshot['branches']: branch = snapshot['branches'][branch_name] return branch visit = get_origin_visit({'id': origin_id}, visit_ts=timestamp) branch = _get_snapshot_branch(visit['snapshot'], branch_name) rev_id = None if branch and branch['target_type'] == 'revision': rev_id = branch['target'] elif branch and branch['target_type'] == 'alias': branch = _get_snapshot_branch(visit['snapshot'], branch['target']) if branch and branch['target_type'] == 'revision': rev_id = branch['target'] if not rev_id: raise NotFoundExc('Revision for origin %s and branch %s not found.' % (origin_id, branch_name)) return rev_id def lookup_revision_by(origin_id, branch_name='HEAD', timestamp=None): """Lookup revision by origin id, snapshot branch name and visit timestamp. If branch_name is not provided, lookup using 'HEAD' as default. If timestamp is not provided, use the most recent. Args: origin_id (int): origin of the revision branch_name (str): snapshot branch name timestamp (str/int): origin visit time frame Returns: dict: The revision matching the criterions Raises: NotFoundExc if no revision corresponds to the criterion """ rev_id = _lookup_revision_id_by(origin_id, branch_name, timestamp) return lookup_revision(rev_id) def lookup_revision_log(rev_sha1_git, limit): """Lookup revision log by revision id. Args: rev_sha1_git (str): The revision's sha1 as hexadecimal limit (int): the maximum number of revisions returned Returns: list: Revision log as list of revision dicts Raises: ValueError: if the identifier provided is not of sha1 nature. NotFoundExc: if there is no revision with the provided sha1_git. """ lookup_revision(rev_sha1_git) sha1_git_bin = _to_sha1_bin(rev_sha1_git) revision_entries = storage.revision_log([sha1_git_bin], limit) return map(converters.from_revision, revision_entries) def lookup_revision_log_by(origin_id, branch_name, timestamp, limit): """Lookup revision by origin id, snapshot branch name and visit timestamp. Args: origin_id (int): origin of the revision branch_name (str): snapshot branch timestamp (str/int): origin visit time frame limit (int): the maximum number of revisions returned Returns: list: Revision log as list of revision dicts Raises: NotFoundExc: if no revision corresponds to the criterion """ rev_id = _lookup_revision_id_by(origin_id, branch_name, timestamp) return lookup_revision_log(rev_id, limit) def lookup_revision_with_context_by(origin_id, branch_name, timestamp, 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_id = _lookup_revision_id_by(origin_id, branch_name, timestamp) rev_root_id_bin = hashutil.hash_to_bytes(rev_root_id) rev_root = _first_element(storage.revision_get([rev_root_id_bin])) 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': list(map(converters.from_directory_entry, directory_entries))} elif entity['type'] == 'file': # content content = _first_element( storage.content_find({'sha1_git': entity['target']})) if not content: raise NotFoundExc('Content not found for revision %s' % sha1_git) 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)} elif entity['type'] == 'rev': # revision revision = next(storage.revision_get([entity['target']])) return {'type': 'rev', 'path': '.' if not dir_path else dir_path, 'revision': sha1_git, 'content': converters.from_revision(revision)} 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 = _first_element(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_sha1_bytes = hashutil.hash_to_bytes(c['checksums']['sha1']) content = _first_element(storage.content_get([content_sha1_bytes])) 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 """ lookup_origin({'id': origin_id}) 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_size(snapshot_id): """Count the number of branches in the snapshot with the given id Args: snapshot_id (str): sha1 identifier of the snapshot Returns: dict: A dict whose keys are the target types of branches and values their corresponding amount """ snapshot_id_bin = _to_sha1_bin(snapshot_id) snapshot_size = storage.snapshot_count_branches(snapshot_id_bin) if 'revision' not in snapshot_size: snapshot_size['revision'] = 0 if 'release' not in snapshot_size: snapshot_size['release'] = 0 return snapshot_size def lookup_snapshot(snapshot_id, branches_from='', branches_count=1000, target_types=None): """Return information about a snapshot, aka the list of named branches found during a specific visit of an origin. Args: snapshot_id (str): sha1 identifier of the snapshot branches_from (str): optional parameter used to skip branches whose name is lesser than it before returning them branches_count (int): optional parameter used to restrain the amount of returned branches target_types (list): optional parameter used to filter the target types of branch to return (possible values that can be contained in that list are `'content', 'directory', 'revision', 'release', 'snapshot', 'alias'`) Returns: A dict filled with the snapshot content. """ snapshot_id_bin = _to_sha1_bin(snapshot_id) snapshot = storage.snapshot_get_branches(snapshot_id_bin, branches_from.encode(), branches_count, target_types) 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. .. warning:: At most 1000 branches contained in the snapshot will be returned for performance reasons. 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_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 class _RevisionsWalkerProxy(object): """ Proxy class wrapping a revisions walker iterator from swh-storage and performing needed conversions. """ def __init__(self, rev_walker_type, rev_start, *args, **kwargs): rev_start_bin = hashutil.hash_to_bytes(rev_start) self.revisions_walker = \ revisions_walker.get_revisions_walker(rev_walker_type, storage, rev_start_bin, *args, **kwargs) def export_state(self): return self.revisions_walker.export_state() def __next__(self): return converters.from_revision(next(self.revisions_walker)) def __iter__(self): return self def get_revisions_walker(rev_walker_type, rev_start, *args, **kwargs): """ Utility function to instantiate a revisions walker of a given type, see :mod:`swh.storage.algos.revisions_walker`. Args: rev_walker_type (str): the type of revisions walker to return, possible values are: ``committer_date``, ``dfs``, ``dfs_post``, ``bfs`` and ``path`` rev_start (str): hexadecimal representation of a revision identifier args (list): position arguments to pass to the revisions walker constructor kwargs (dict): keyword arguments to pass to the revisions walker constructor """ # first check if the provided revision is valid lookup_revision(rev_start) return _RevisionsWalkerProxy(rev_walker_type, rev_start, *args, **kwargs)