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revision.py
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revision.py
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# Copyright (C) 2017-2018 The Software Heritage developers
# See the AUTHORS file at the top-level directory of this distribution
# License: GNU General Public License version 3, or any later version
# See top-level LICENSE file for more information
import json
from django.shortcuts import render
from django.utils.safestring import mark_safe
from swh.web.common import service
from swh.web.common.utils import reverse, format_utc_iso_date
from swh.web.common.exc import handle_view_exception
from swh.web.browse.browseurls import browse_route
from swh.web.browse.utils import (
gen_link, gen_person_link, gen_revision_link,
prepare_revision_log_for_display,
get_origin_context, gen_origin_directory_link,
gen_revision_log_link,
gen_directory_link
)
@browse_route(r'revision/(?P<sha1_git>[0-9a-f]+)/',
view_name='browse-revision')
def revision_browse(request, sha1_git):
"""
Django view that produces an HTML display of a SWH revision
identified by its id.
The url that points to it is :http:get:`/browse/revision/(sha1_git)/`.
Args:
request: input django http request
sha1_git: a SWH revision id
Returns:
The HMTL rendering for the metadata of the provided revision.
"""
try:
revision = service.lookup_revision(sha1_git)
origin_info = None
origin_context = None
origin_type = request.GET.get('origin_type', None)
origin_url = request.GET.get('origin_url', None)
timestamp = request.GET.get('timestamp', None)
visit_id = request.GET.get('visit_id', None)
if origin_type and origin_url:
origin_context = get_origin_context(origin_type, origin_url,
timestamp, visit_id)
except Exception as exc:
return handle_view_exception(request, exc)
revision_data = {}
revision_data['author'] = gen_person_link(
revision['author']['id'], revision['author']['name'])
revision_data['committer'] = gen_person_link(
revision['committer']['id'], revision['committer']['name'])
revision_data['committer date'] = format_utc_iso_date(
revision['committer_date'])
revision_data['date'] = format_utc_iso_date(revision['date'])
if origin_context:
revision_data['directory'] = \
gen_origin_directory_link(origin_context, sha1_git,
link_text='Browse')
revision_data['history log'] = \
gen_revision_log_link(sha1_git, origin_context,
link_text='Browse')
else:
revision_data['directory'] = \
gen_directory_link(revision['directory'], link_text='Browse')
revision_data['history log'] = \
gen_revision_log_link(sha1_git, link_text='Browse')
revision_data['id'] = sha1_git
revision_data['merge'] = revision['merge']
revision_data['metadata'] = json.dumps(revision['metadata'],
sort_keys=True,
indent=4, separators=(',', ': '))
if origin_info:
browse_revision_url = reverse('browse-revision',
kwargs={'sha1_git': sha1_git})
revision_data['browse revision url'] = gen_link(browse_revision_url,
browse_revision_url)
revision_data['origin id'] = origin_info['id']
revision_data['origin type'] = origin_info['type']
revision_data['origin url'] = gen_link(origin_info['url'],
origin_info['url'])
parents = ''
for p in revision['parents']:
parent_link = gen_revision_link(p, origin_context=origin_context)
parents += parent_link + '<br/>'
revision_data['parents'] = mark_safe(parents)
revision_data['synthetic'] = revision['synthetic']
revision_data['type'] = revision['type']
message_lines = revision['message'].split('\n')
browse_link_text = '<i class="fa fa-folder-open fa-fw" '\
'aria-hidden="true"></i>Browse files'
if origin_context:
browse_files_url = \
gen_origin_directory_link(origin_context, sha1_git,
link_text=browse_link_text)
else:
browse_files_url = \
gen_directory_link(revision['directory'],
link_text=browse_link_text)
pos = browse_files_url.find('href')
browse_files_button = browse_files_url[0:pos] + \
'class="btn btn-md btn-swh pull-right" role="button" ' + \
browse_files_url[pos:]
parents_links = '<b>%s parent%s</b> ' % \
(len(revision['parents']),
'' if len(revision['parents']) == 1 else 's')
parents_links += '<i class="octicon octicon-git-commit fa-fw"></i> '
for p in revision['parents']:
parent_link = gen_revision_link(p, shorten_id=True,
origin_context=origin_context)
parents_links += parent_link
if p != revision['parents'][-1]:
parents_links += ' + '
return render(request, 'revision.html',
{'empty_browse': False,
'heading': 'Revision information',
'top_panel_visible': True,
'top_panel_collapsible': True,
'top_panel_text': 'SWH object: Revision',
'swh_object_metadata': revision_data,
'message_header': message_lines[0],
'message_body': '\n'.join(message_lines[1:]),
'browse_files_button': mark_safe(browse_files_button),
'parents_links': mark_safe(parents_links),
'main_panel_visible': True,
'origin_context': origin_context})
NB_LOG_ENTRIES = 20
@browse_route(r'revision/(?P<sha1_git>[0-9a-f]+)/log/',
view_name='browse-revision-log')
def revision_log_browse(request, sha1_git):
"""
Django view that produces an HTML display of the history
log for a SWH revision identified by its id.
The url that points to it is :http:get:`/browse/revision/(sha1_git)/log/`.
Args:
request: input django http request
sha1_git: a SWH revision id
Returns:
The HMTL rendering of the revision history log.
""" # noqa
try:
per_page = int(request.GET.get('per_page', NB_LOG_ENTRIES))
revision_log = service.lookup_revision_log(sha1_git,
limit=per_page+1)
revision_log = list(revision_log)
except Exception as exc:
return handle_view_exception(request, exc)
revs_breadcrumb = request.GET.get('revs_breadcrumb', None)
revision_log_display_data = prepare_revision_log_for_display(
revision_log, per_page, revs_breadcrumb)
prev_rev = revision_log_display_data['prev_rev']
prev_revs_breadcrumb = revision_log_display_data['prev_revs_breadcrumb']
prev_log_url = None
if prev_rev:
prev_log_url = \
reverse('browse-revision-log',
kwargs={'sha1_git': prev_rev},
query_params={'revs_breadcrumb': prev_revs_breadcrumb,
'per_page': per_page})
next_rev = revision_log_display_data['next_rev']
next_revs_breadcrumb = revision_log_display_data['next_revs_breadcrumb']
next_log_url = None
if next_rev:
next_log_url = \
reverse('browse-revision-log',
kwargs={'sha1_git': next_rev},
query_params={'revs_breadcrumb': next_revs_breadcrumb,
'per_page': per_page})
revision_log_data = revision_log_display_data['revision_log_data']
for log in revision_log_data:
log['directory'] = gen_directory_link(log['directory'], 'Tree')
return render(request, 'revision-log.html',
{'empty_browse': False,
'heading': 'Revision history information',
'top_panel_visible': False,
'top_panel_collapsible': False,
'top_panel_text': 'SWH object: Revision history',
'swh_object_metadata': None,
'main_panel_visible': True,
'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,
'include_top_navigation': False,
'origin_context': None})

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