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release.py
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# Copyright (C) 2017-2019 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
from django.shortcuts import render
from swh.web.common import service
from swh.web.common.utils import (
reverse, format_utc_iso_date
)
from swh.web.common.exc import NotFoundExc, handle_view_exception
from swh.web.browse.browseurls import browse_route
from swh.web.browse.utils import (
gen_revision_link, get_snapshot_context, gen_link,
gen_snapshot_link, get_swh_persistent_ids, gen_directory_link,
gen_content_link, gen_release_link, gen_person_mail_link
)
@browse_route(r'release/(?P<sha1_git>[0-9a-f]+)/',
view_name='browse-release',
checksum_args=['sha1_git'])
def release_browse(request, sha1_git):
"""
Django view that produces an HTML display of a release
identified by its id.
The url that points to it is :http:get:`/browse/release/(sha1_git)/`.
"""
try:
release = service.lookup_release(sha1_git)
snapshot_context = None
origin_info = None
snapshot_id = request.GET.get('snapshot_id', None)
origin_url = request.GET.get('origin_url', None)
if not origin_url:
origin_url = request.GET.get('origin', None)
timestamp = request.GET.get('timestamp', None)
visit_id = request.GET.get('visit_id', None)
if origin_url:
try:
snapshot_context = get_snapshot_context(
snapshot_id, origin_url, timestamp, visit_id)
except Exception:
raw_rel_url = reverse('browse-release',
url_args={'sha1_git': sha1_git})
error_message = \
('The Software Heritage archive has a release '
'with the hash you provided but the origin '
'mentioned in your request appears broken: %s. '
'Please check the URL and try again.\n\n'
'Nevertheless, you can still browse the release '
'without origin information: %s'
% (gen_link(origin_url), gen_link(raw_rel_url)))
raise NotFoundExc(error_message)
origin_info = snapshot_context['origin_info']
elif snapshot_id:
snapshot_context = get_snapshot_context(snapshot_id)
except Exception as exc:
return handle_view_exception(request, exc)
release_data = {}
release_data['author'] = 'None'
if release['author']:
release_data['author'] = gen_person_mail_link(release['author'])
release_data['date'] = format_utc_iso_date(release['date'])
release_data['release'] = sha1_git
release_data['name'] = release['name']
release_data['synthetic'] = release['synthetic']
release_data['target'] = release['target']
release_data['target type'] = release['target_type']
if snapshot_context:
if release['target_type'] == 'revision':
release_data['context-independent target'] = \
gen_revision_link(release['target'])
elif release['target_type'] == 'content':
release_data['context-independent target'] = \
gen_content_link(release['target'])
elif release['target_type'] == 'directory':
release_data['context-independent target'] = \
gen_directory_link(release['target'])
elif release['target_type'] == 'release':
release_data['context-independent target'] = \
gen_release_link(release['target'])
release_note_lines = []
if release['message']:
release_note_lines = release['message'].split('\n')
vault_cooking = None
target_link = None
if release['target_type'] == 'revision':
target_link = gen_revision_link(release['target'],
snapshot_context=snapshot_context,
link_text=None, link_attrs=None)
try:
revision = service.lookup_revision(release['target'])
vault_cooking = {
'directory_context': True,
'directory_id': revision['directory'],
'revision_context': True,
'revision_id': release['target']
}
except Exception:
pass
elif release['target_type'] == 'directory':
target_link = gen_directory_link(release['target'],
snapshot_context=snapshot_context,
link_text=None, link_attrs=None)
try:
revision = service.lookup_directory(release['target'])
vault_cooking = {
'directory_context': True,
'directory_id': revision['directory'],
'revision_context': False,
'revision_id': None
}
except Exception:
pass
elif release['target_type'] == 'content':
target_link = gen_content_link(release['target'],
snapshot_context=snapshot_context,
link_text=None, link_attrs=None)
elif release['target_type'] == 'release':
target_link = gen_release_link(release['target'],
snapshot_context=snapshot_context,
link_text=None, link_attrs=None)
release['target_link'] = target_link
if snapshot_context:
release_data['snapshot'] = snapshot_context['snapshot_id']
if origin_info:
release_data['context-independent release'] = \
gen_release_link(release['id'])
release_data['origin url'] = gen_link(origin_info['url'],
origin_info['url'])
browse_snapshot_link = \
gen_snapshot_link(snapshot_context['snapshot_id'])
release_data['context-independent snapshot'] = browse_snapshot_link
swh_objects = [{'type': 'release',
'id': sha1_git}]
if snapshot_context:
snapshot_id = snapshot_context['snapshot_id']
if snapshot_id:
swh_objects.append({'type': 'snapshot',
'id': snapshot_id})
swh_ids = get_swh_persistent_ids(swh_objects, snapshot_context)
note_header = 'None'
if len(release_note_lines) > 0:
note_header = release_note_lines[0]
release['note_header'] = note_header
release['note_body'] = '\n'.join(release_note_lines[1:])
heading = 'Release - %s' % release['name']
if snapshot_context:
context_found = 'snapshot: %s' % snapshot_context['snapshot_id']
if origin_info:
context_found = 'origin: %s' % origin_info['url']
heading += ' - %s' % context_found
return render(request, 'browse/release.html',
{'heading': heading,
'swh_object_id': swh_ids[0]['swh_id'],
'swh_object_name': 'Release',
'swh_object_metadata': release_data,
'release': release,
'snapshot_context': snapshot_context,
'show_actions_menu': True,
'breadcrumbs': None,
'vault_cooking': vault_cooking,
'top_right_link': None,
'swh_ids': swh_ids})

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