swh.web.utils.archive module#

swh.web.utils.archive.lookup_multiple_hashes(hashes)[source]#

Lookup the passed hashes in a single DB connection, using batch processing.

Parameters:: {filename (An array of) – 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.

swh.web.utils.archive.lookup_hash(q: str) → Dict[str, Any][source]#

Check if the storage contains a given content checksum and return it if found.

Parameters:: q – query string of the form <hash_algo:hash>
Returns:: Dict with key found containing the hash info if the

hash is present, None if not.

swh.web.utils.archive.search_hash(q: str) → Dict[str, bool][source]#

Search storage for a given content checksum.

Parameters:: q – query string of the form <hash_algo:hash>
Returns:: Dict with key found to True or False, according to whether the checksum is present or not

swh.web.utils.archive.lookup_content_filetype(q)[source]#

Return filetype information from a specified content.

Parameters:: q – query string of the form <hash_algo:hash>
Yields:: filetype information (dict) list if the content is found.

swh.web.utils.archive.lookup_content_language(q)[source]#

Always returns None.

This used to return language information from a specified content, but this is currently disabled.

Parameters:: q – query string of the form <hash_algo:hash>
Yields:: language information (dict) list if the content is found.

swh.web.utils.archive.lookup_content_license(q)[source]#

Return license information from a specified content.

Parameters:: q – query string of the form <hash_algo:hash>
Yields:: license information (dict) list if the content is found.

swh.web.utils.archive.lookup_origin(origin: OriginInfo, lookup_similar_urls: bool = True) → OriginInfo[source]#

Return information about the origin matching dict origin.

Parameters:

origin – origin’s dict with ‘url’ key
lookup_similar_urls – if True, lookup origin with and without trailing slash in its URL

Returns:

origin information as dict.

swh.web.utils.archive.lookup_origins(page_token: Optional[str], limit: int = 100) → PagedResult[OriginInfo, str][source]#

Get list of archived software origins in a paginated way.

Origins are sorted by id before returning them

Parameters:

origin_from (int) – The minimum id of the origins to return
origin_count (int) – The maximum number of origins to return

Returns:

Page of OriginInfo

swh.web.utils.archive.lookup_origin_snapshots(origin: OriginInfo) → List[str][source]#

Return ids of the snapshots of an origin.

Parameters:: origin – origin’s dict with ‘url’ key
Returns:: List of unique snapshot identifiers in hexadecimal format resulting from the visits of the origin.

swh.web.utils.archive.search_origin(url_pattern: str, use_ql: bool = False, limit: int = 50, with_visit: bool = False, visit_types: Optional[List[str]] = None, page_token: Optional[str] = None) → Tuple[List[OriginInfo], Optional[str]][source]#

Search for origins whose urls contain a provided string pattern or match a provided regular expression.

Parameters:

url_pattern – the string pattern to search for in origin urls
use_ql – whether to use swh search query language or not
limit – the maximum number of found origins to return
with_visit – Whether origins with no visit are to be filtered out
visit_types – Only origins having any of the provided visit types (e.g. git, svn, pypi) will be returned
page_token – opaque string used to get the next results of a search

Returns:

list of origin information as dict.

swh.web.utils.archive.search_origin_metadata(fulltext: str, limit: int = 50, return_metadata: bool = True) → Iterable[OriginMetadataInfo][source]#

Search for origins whose metadata match a provided string pattern.

Parameters:

fulltext – the string pattern to search for in origin metadata
limit – the maximum number of found origins to return
return_metadata – if false, will only return the origin URL

Returns:

Iterable of origin metadata information for existing origins

swh.web.utils.archive.lookup_origin_intrinsic_metadata(origin_url: str) → Dict[str, Any][source]#

Return intrinsic metadata for origin whose origin matches given origin.

Parameters:: origin_url – origin url
Raises:: NotFoundExc when the origin is not found –
Returns:: origin metadata.

swh.web.utils.archive.lookup_directory(sha1_git)[source]#

Return information about the directory with id sha1_git.

Parameters:: string (sha1_git as) –
Returns:: directory information as dict.

swh.web.utils.archive.lookup_directory_with_path(sha1_git: str, path: str) → Dict[str, Any][source]#

Return directory information for entry with specified path w.r.t. root directory pointed by sha1_git

Parameters:

sha1_git – sha1_git corresponding to the directory to which we append paths to (hopefully) find the entry
path – the relative path to the entry starting from the root directory pointed by sha1_git

Returns:

Directory entry information as dict.

Raises:

NotFoundExc if the directory entry is not found –

swh.web.utils.archive.lookup_release(release_sha1_git: str) → Dict[str, Any][source]#

Return information about the release with sha1 release_sha1_git.

Parameters:: 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. –

swh.web.utils.archive.lookup_release_multiple(sha1_git_list) → Iterator[Optional[Dict[str, Any]]][source]#

Return information about the releases identified with their sha1_git identifiers.

Parameters:: sha1_git_list – A list of release sha1_git identifiers
Returns:: Iterator of Release metadata information as dict.
Raises:: ValueError if the identifier provided is not of sha1 nature. –

swh.web.utils.archive.lookup_revision(rev_sha1_git) → Dict[str, Any][source]#

Return information about the revision with sha1 revision_sha1_git.

Parameters:

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. –

swh.web.utils.archive.lookup_revision_multiple(sha1_git_list) → Iterator[Optional[Dict[str, Any]]][source]#

Return information about the revisions identified with their sha1_git identifiers.

Parameters:: sha1_git_list – A list of revision sha1_git identifiers
Yields:: revision information as dict if the revision exists, None otherwise.
Raises:: ValueError if the identifier provided is not of sha1 nature. –

swh.web.utils.archive.lookup_revision_message(rev_sha1_git) → Dict[str, bytes][source]#

Return the raw message of the revision with sha1 revision_sha1_git.

Parameters:

revision_sha1_git – The revision’s sha1 as hexadecimal

Returns:

<the_message>}

Return type:

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 –

swh.web.utils.archive.lookup_revision_by(origin, branch_name='HEAD', timestamp=None)[source]#

Lookup revision by origin, 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.

Parameters:

origin (Union[int,str]) – origin of the revision
branch_name (str) – snapshot branch name
timestamp (str/int) – origin visit time frame

Returns:

The revision matching the criterions

Return type:

dict

Raises:

NotFoundExc if no revision corresponds to the criterion –

swh.web.utils.archive.lookup_revision_log(rev_sha1_git, limit)[source]#

Lookup revision log by revision id.

Parameters:

rev_sha1_git (str) – The revision’s sha1 as hexadecimal
limit (int) – the maximum number of revisions returned

Returns:

Revision log as list of revision dicts

Return type:

list

Raises:

ValueError – if the identifier provided is not of sha1 nature.
swh.web.utils.exc.NotFoundExc – if there is no revision with the provided sha1_git.

swh.web.utils.archive.lookup_revision_log_by(origin, branch_name, timestamp, limit)[source]#

Lookup revision by origin, snapshot branch name and visit timestamp.

Parameters:

origin (Union[int,str]) – 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:

Revision log as list of revision dicts

Return type:

list

Raises:

swh.web.utils.exc.NotFoundExc – if no revision corresponds to the criterion

swh.web.utils.archive.lookup_revision_with_context_by(origin, branch_name, timestamp, sha1_git, limit=100)[source]#

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, branch_name and ts.

In other words, sha1_git is an ancestor of sha1_git_root.

Parameters:

origin (-) – 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. –

swh.web.utils.archive.lookup_revision_with_context(sha1_git_root: Union[str, Dict[str, Any], Revision], sha1_git: str, limit: int = 100) → Dict[str, Any][source]#

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.

Parameters:

sha1_git_root – latest revision. The type is either a sha1 (as an hex
dict. (string) or a non converted) –
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 –

swh.web.utils.archive.lookup_directory_with_revision(sha1_git, dir_path=None, with_data=False)[source]#

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).

Parameters:

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
False (resolves to a content. Default to) –

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'. –

swh.web.utils.archive.lookup_content(q: str) → Dict[str, Any][source]#

Lookup the content designed by q.

Parameters:: q – The release’s sha1 as hexadecimal
Raises:: NotFoundExc if the requested content is not found –

swh.web.utils.archive.lookup_content_raw(q: str) → Dict[str, Any][source]#

Lookup the content defined by q.

Parameters:

q – query string of the form <hash_algo:hash>

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 –

swh.web.utils.archive.stat_counters()[source]#

Return the stat counters for Software Heritage

Returns:: A dict mapping textual labels to integer values.

swh.web.utils.archive.lookup_origin_visits(origin: str, last_visit: Optional[int] = None, per_page: int = 10) → Iterator[OriginVisitInfo][source]#

Yields the origin origins’ visits.

Parameters:: origin – origin to list visits for
Yields:: Dictionaries of origin_visit for that origin

swh.web.utils.archive.lookup_origin_visit_latest(origin_url: str, require_snapshot: bool = False, type: Optional[str] = None, allowed_statuses: Optional[List[str]] = None, lookup_similar_urls: bool = True) → Optional[OriginVisitInfo][source]#

Return the origin’s latest visit

Parameters:

origin_url – origin to list visits for
type – Optional visit type to filter on (e.g git, tar, dsc, svn, hg, npm, pypi, …)
allowed_statuses – list of visit statuses considered to find the latest visit. For instance, allowed_statuses=['full'] will only consider visits that have successfully run to completion.
require_snapshot – filter out origins without a snapshot
lookup_similar_urls – if True, lookup origin with and without trailing slash in its URL

Returns:

The origin visit info as dict if found

swh.web.utils.archive.lookup_origin_visit(origin_url: str, visit_id: int, lookup_similar_urls: bool = True) → OriginVisitInfo[source]#

Return information about visit visit_id with origin origin.

Parameters:

origin – origin concerned by the visit
visit_id – the visit identifier to lookup
lookup_similar_urls – if True, lookup origin with and without trailing slash in its URL

Raises:

NotFoundExc if no origin visit matching the criteria is found –

Returns:

The dict origin_visit concerned

swh.web.utils.archive.origin_visit_find_by_date(origin_url: str, visit_date: datetime, greater_or_equal: bool = True) → Optional[OriginVisitInfo][source]#

Retrieve origin visit status whose date is most recent than the provided visit_date.

Parameters:

origin_url – origin concerned by the visit
visit_date – provided visit date
greater_or_equal – ensure returned visit has a date greater or equal than the one passed as parameter

Returns:

The dict origin_visit_status matching the criteria if any.

swh.web.utils.archive.lookup_snapshot_sizes(snapshot_id: str, branch_name_exclude_prefix: Optional[str] = 'refs/pull/') → Dict[str, int][source]#

Count the number of branches in the snapshot with the given id.

Parameters:: snapshot_id (str) – sha1 identifier of the snapshot
Returns:: A dict whose keys are the target types of branches and values their corresponding amount
Return type:: dict

swh.web.utils.archive.lookup_snapshot(snapshot_id: str, branches_from: str = '', branches_count: int = 1000, target_types: Optional[List[str]] = None, branch_name_include_substring: Optional[str] = None, branch_name_exclude_prefix: Optional[str] = 'refs/pull/') → Dict[str, Any][source]#

Return information about a snapshot, aka the list of named branches found during a specific visit of an origin.

Parameters:

snapshot_id – sha1 identifier of the snapshot
branches_from – optional parameter used to skip branches whose name is lesser than it before returning them
branches_count – optional parameter used to restrain the amount of returned branches
target_types – 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’)
branch_name_include_substring – if provided, only return branches whose name contains given substring
branch_name_exclude_prefix – if provided, do not return branches whose name starts with given pattern

Raises:

NotFoundExc if the given snapshot_id is missing –

Returns:

A dict filled with the snapshot content.

swh.web.utils.archive.lookup_latest_origin_snapshot(origin: str, allowed_statuses: Optional[List[str]] = None) → Optional[Dict[str, Any]][source]#

Return information about the latest snapshot of an origin.

Warning

At most 1000 branches contained in the snapshot will be returned for performance reasons.

Parameters:

origin – URL or 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.

swh.web.utils.archive.lookup_snapshot_alias(snapshot_id: str, alias_name: str) → Optional[Dict[str, Any]][source]#

Try to resolve a branch alias in a snapshot.

Parameters:

snapshot_id – hexadecimal representation of a snapshot id
alias_name – name of the branch alias to resolve

Returns:

Target branch information or None if the alias does not exist or target a dangling branch.

swh.web.utils.archive.lookup_revision_through(revision, limit=100)[source]#

Retrieve a revision from the criterion stored in revision dictionary.

Parameters:

revision – Dictionary of criterion to lookup the revision with.
values (Here are the supported combination of possible) –
origin_url (-) –
branch_name –
ts –
sha1_git (-) –
origin_url –
branch_name –
ts –
sha1_git_root (-) –
sha1_git –
sha1_git –

Returns:

None if the revision is not found or the actual revision.

swh.web.utils.archive.lookup_directory_through_revision(revision, path=None, limit=100, with_data=False)[source]#

Retrieve the directory information from the revision.

Parameters:

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.

swh.web.utils.archive.vault_cook(bundle_type: str, swhid: CoreSWHID, email=None)[source]#: Cook a vault bundle.

swh.web.utils.archive.vault_fetch(bundle_type: str, swhid: CoreSWHID)[source]#: Fetch a vault bundle.

swh.web.utils.archive.vault_progress(bundle_type: str, swhid: CoreSWHID)[source]#: Get the current progress of a vault bundle.

swh.web.utils.archive.diff_revision(rev_id)[source]#: Get the list of file changes (insertion / deletion / modification / renaming) for a particular revision.

swh.web.utils.archive.get_revisions_walker(rev_walker_type, rev_start, *args, **kwargs)[source]#

Utility function to instantiate a revisions walker of a given type, see swh.storage.algos.revisions_walker.

Parameters:

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

swh.web.utils.archive.lookup_object(object_type: ObjectType, object_id: str) → Dict[str, Any][source]#

Utility function for looking up an object in the archive by its type and id.

Parameters:

object_type (str) – the type of object to lookup, either content, directory, release, revision or snapshot
object_id (str) – the sha1_git checksum identifier in hexadecimal form of the object to lookup

Returns:

A dictionary describing the object or a list of dictionary for the directory object type.

Return type:

Dict[str, Any]

Raises:

swh.web.utils.exc.NotFoundExc – if the object could not be found in the archive
BadInputExc – if the object identifier is invalid

swh.web.utils.archive.lookup_missing_hashes(grouped_swhids: Dict[ObjectType, List[bytes]]) → Set[str][source]#

Lookup missing Software Heritage persistent identifier hash, using batch processing.

Parameters:

with (A dictionary) –
keys – object types
values – object hashes

Returns:

A set(hexadecimal) of the hashes not found in the storage

swh.web.utils.archive.lookup_origins_by_sha1s(sha1s: List[str]) → Iterator[Optional[OriginInfo]][source]#

Lookup origins from the sha1 hash values of their URLs.

Parameters:: sha1s – list of sha1s hexadecimal representation
Yields:: origin information as dict