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revision.py
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revision.py
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# Copyright (C) 2017 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
)
def
_gen_directory_link
(
sha1_git
,
link_text
):
directory_url
=
reverse
(
'browse-directory'
,
kwargs
=
{
'sha1_git'
:
sha1_git
})
return
gen_link
(
directory_url
,
link_text
)
def
_gen_revision_log_link
(
revision_id
):
revision_log_url
=
reverse
(
'browse-revision-log'
,
kwargs
=
{
'sha1_git'
:
revision_id
})
return
gen_link
(
revision_log_url
,
revision_log_url
)
@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
)
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'
])
revision_data
[
'directory'
]
=
_gen_directory_link
(
revision
[
'directory'
],
revision
[
'directory'
])
revision_data
[
'history log'
]
=
_gen_revision_log_link
(
sha1_git
)
revision_data
[
'id'
]
=
sha1_git
revision_data
[
'merge'
]
=
revision
[
'merge'
]
revision_data
[
'message'
]
=
revision
[
'message'
]
revision_data
[
'metadata'
]
=
json
.
dumps
(
revision
[
'metadata'
],
sort_keys
=
True
,
indent
=
4
,
separators
=
(
','
,
': '
))
parents
=
''
for
p
in
revision
[
'parents'
]:
parent_link
=
gen_revision_link
(
p
)
parents
+=
parent_link
+
'<br/>'
revision_data
[
'parents'
]
=
mark_safe
(
parents
)
revision_data
[
'synthetic'
]
=
revision
[
'synthetic'
]
revision_data
[
'type'
]
=
revision
[
'type'
]
return
render
(
request
,
'revision.html'
,
{
'top_panel_visible'
:
False
,
'top_panel_collapsible'
:
False
,
'top_panel_text_left'
:
'SWH object: Revision'
,
'top_panel_text_right'
:
'Sha1 git: '
+
sha1_git
,
'swh_object_metadata'
:
None
,
'main_panel_visible'
:
True
,
'revision'
:
revision_data
})
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'
,
{
'top_panel_visible'
:
False
,
'top_panel_collapsible'
:
False
,
'top_panel_text_left'
:
'SWH object: Revision history'
,
'top_panel_text_right'
:
'Sha1 git: '
+
sha1_git
,
'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
,
'branches'
:
None
,
'branch'
:
None
,
'top_right_link'
:
None
,
'top_right_link_text'
:
None
,
'include_top_navigation'
:
False
})
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