Page MenuHomeSoftware Heritage
Files F9347640

service.py
No OneTemporary
Actions

service.py
View Options

# Copyright (C) 2015 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
from swh.core import hashutil
from swh.web.ui import converters, main, query, upload
def hash_and_search(filepath):
"""Hash the filepath's content as sha1, then search in storage if
it exists.
Args:
Filepath of the file to hash and search.
Returns:
Tuple (hex sha1, found as True or false).
The found boolean, according to whether the sha1 of the file
is present or not.
"""
hash = hashutil.hashfile(filepath)
return (hashutil.hash_to_hex(hash['sha1']),
main.storage().content_exist(hash))
def upload_and_search(file):
"""Upload a file and compute its hash.
"""
tmpdir, filename, filepath = upload.save_in_upload_folder(file)
try:
sha1, found = None, None
if filepath:
sha1, found = hash_and_search(filepath)
return filename, sha1, found
finally:
# clean up
if tmpdir:
upload.cleanup(tmpdir)
def lookup_hash(q):
"""Checks if the storage contains a given content checksum
Args: query string
Returns:
True or False, according to whether the checksum is present or not
"""
(algo, hash) = query.parse_hash(q)
return main.storage().content_exist({algo: hash})
def lookup_hash_origin(q):
"""Return information about the checksum contained in the query q.
Args: query string
Returns:
True or False, according to whether the checksum is present or not
"""
algo, h = query.parse_hash(q)
origin = main.storage().content_find_occurrence({algo: h})
return converters.from_origin(origin)
def lookup_origin(origin_id):
"""Return information about the origin with id origin_id.
Args:
origin_id as string
Returns:
origin information as dict.
"""
return main.storage().origin_get({'id': origin_id})
def lookup_release(release_sha1):
"""Return information about the release with sha1 release_sha1.
Args:
release_sha1: The release's sha1 as hexadecimal
Returns:
Release information as dict.
Raises:
ValueError if the identifier provided is not of sha1 nature.
"""
algo, hBinSha1 = query.parse_hash(release_sha1)
if algo != 'sha1': # HACK: sha1_git really but they are both sha1...
raise ValueError('Only sha1_git is supported.')
res = main.storage().release_get([hBinSha1])
if res and len(res) >= 1:
return converters.from_release(res[0])
return None
def stat_counters():
"""Return the stat counters for Software Heritage
Returns:
A dict mapping textual labels to integer values.
"""
return main.storage().stat_counters()

File Metadata

Mime Type
text/x-python
Expires
Fri, Jul 4, 5:47 PM (4 w, 4 h ago)
Storage Engine
blob
Storage Format
Raw Data
Storage Handle
3424051

Event Timeline

About · Developer information · Legal