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# -*- coding: utf-8 -*-
#
# Copyright (C) 2003-2021 Edgewall Software
# Copyright (C) 2003-2005 Jonas Borgström <jonas@edgewall.com>
# Copyright (C) 2005-2007 Christian Boos <cboos@edgewall.org>
# All rights reserved.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://trac.edgewall.org/wiki/TracLicense.
#
# This software consists of voluntary contributions made by many
# individuals. For the exact contribution history, see the revision
# history and logs, available at https://trac.edgewall.org/log/.
#
# Author: Jonas Borgström <jonas@edgewall.com>
import re
from datetime import datetime, timedelta
from fnmatch import fnmatchcase
from trac.config import BoolOption, ListOption, Option
from trac.core import *
from trac.mimeview.api import IHTMLPreviewAnnotator, Mimeview, is_binary
from trac.perm import IPermissionRequestor, PermissionError
from trac.resource import Resource, ResourceNotFound
from trac.util import as_bool, embedded_numbers
from trac.util.datefmt import datetime_now, http_date, to_datetime, utc
from trac.util.html import Markup, escape, tag
from trac.util.text import exception_to_unicode, shorten_line
from trac.util.translation import _, cleandoc_
from trac.versioncontrol.api import NoSuchChangeset, RepositoryManager
from trac.versioncontrol.web_ui.util import *
from trac.web.api import IRequestHandler, RequestDone
from trac.web.chrome import (Chrome, INavigationContributor, add_ctxtnav,
add_link, add_script, add_stylesheet,
prevnext_nav, web_context)
from trac.wiki.api import IWikiMacroProvider, IWikiSyntaxProvider, parse_args
from trac.wiki.formatter import format_to_html, format_to_oneliner
CHUNK_SIZE = 4096
class IPropertyRenderer(Interface):
"""Render node properties in TracBrowser and TracChangeset views."""
def match_property(name, mode):
"""Indicate whether this renderer can treat the given property
`mode` is the current rendering context, which can be:
- 'browser' rendered in the browser view
- 'changeset' rendered in the changeset view as a node property
- 'revprop' rendered in the changeset view as a revision property
Other identifiers might be used by plugins, so it's advised to simply
ignore unknown modes.
Returns a quality number, ranging from 0 (unsupported) to 9
(''perfect'' match).
"""
def render_property(name, mode, context, props):
"""Render the given property.
`name` is the property name as given to `match()`,
`mode` is the same as for `match_property`,
`context` is the context for the node being render
(useful when the rendering depends on the node kind) and
`props` is the collection of the corresponding properties
(i.e. the `node.get_properties()`).
The rendered result can be one of the following:
- `None`: the property will be skipped
- a `str` value: the property will be displayed as text
- a `RenderedProperty` instance: the property will only be displayed
using the instance's `content` attribute, and the other attributes
will also be used in some display contexts (like `revprop`)
- `Markup` or `Fragment`: the property will be displayed
normally, using that content as a block-level markup
"""
class RenderedProperty(object):
def __init__(self, name=None, name_attributes=None,
content=None, content_attributes=None):
self.name = name
self.name_attributes = name_attributes
self.content = content
self.content_attributes = content_attributes
class DefaultPropertyRenderer(Component):
"""Default version control property renderer."""
implements(IPropertyRenderer)
def match_property(self, name, mode):
return 1
def render_property(self, name, mode, context, props):
# No special treatment besides respecting newlines in values.
value = props[name]
if value and '\n' in value:
value = Markup(''.join('<br />%s' % escape(v)
for v in value.split('\n')))
return value
class WikiPropertyRenderer(Component):
"""Wiki text property renderer."""
implements(IPropertyRenderer)
wiki_properties = ListOption('browser', 'wiki_properties',
'trac:description',
doc="""Comma-separated list of version control properties to render
as wiki content in the repository browser.
""")
oneliner_properties = ListOption('browser', 'oneliner_properties',
'trac:summary',
doc="""Comma-separated list of version control properties to render
as oneliner wiki content in the repository browser.
""")
def match_property(self, name, mode):
return 4 if name in self.wiki_properties \
or name in self.oneliner_properties else 0
def render_property(self, name, mode, context, props):
if name in self.wiki_properties:
return format_to_html(self.env, context, props[name])
else:
return format_to_oneliner(self.env, context, props[name])
class TimeRange(object):
min = datetime(1, 1, 1, 0, 0, 0, 0, utc) # tz aware version of datetime.min
def __init__(self, base):
self.oldest = self.newest = base
self._total = None
def seconds_between(self, dt1, dt2):
delta = dt1 - dt2
return delta.days * 24 * 3600 + delta.seconds
def to_seconds(self, dt):
return self.seconds_between(dt, TimeRange.min)
def from_seconds(self, secs):
return TimeRange.min + timedelta(*divmod(secs, 24* 3600))
def relative(self, datetime):
if self._total is None:
self._total = float(self.seconds_between(self.newest, self.oldest))
age = 1.0
if self._total:
age = self.seconds_between(datetime, self.oldest) / self._total
return age
def insert(self, datetime):
self._total = None
self.oldest = min(self.oldest, datetime)
self.newest = max(self.newest, datetime)
class BrowserModule(Component):
implements(INavigationContributor, IPermissionRequestor, IRequestHandler,
IWikiSyntaxProvider, IHTMLPreviewAnnotator,
IWikiMacroProvider)
property_renderers = ExtensionPoint(IPropertyRenderer)
realm = RepositoryManager.source_realm
downloadable_paths = ListOption('browser', 'downloadable_paths',
'/trunk, /branches/*, /tags/*',
doc="""List of repository paths that can be downloaded.
Leave this option empty if you want to disable all downloads, otherwise
set it to a comma-separated list of authorized paths (those paths are
glob patterns, i.e. "*" can be used as a wild card). In a
multi-repository environment, the path must be qualified with the
repository name if the path does not point to the default repository
(e.g. /reponame/trunk). Note that a simple prefix matching is
performed on the paths, so aliases won't get automatically resolved.
""")
color_scale = BoolOption('browser', 'color_scale', True,
doc="""Enable colorization of the ''age'' column.
This uses the same color scale as the source code annotation:
blue is older, red is newer.
""")
NEWEST_COLOR = (255, 136, 136)
newest_color = Option('browser', 'newest_color', repr(NEWEST_COLOR),
doc="""(r,g,b) color triple to use for the color corresponding
to the newest color, for the color scale used in ''blame'' or
the browser ''age'' column if `color_scale` is enabled.
""")
OLDEST_COLOR = (136, 136, 255)
oldest_color = Option('browser', 'oldest_color', repr(OLDEST_COLOR),
doc="""(r,g,b) color triple to use for the color corresponding
to the oldest color, for the color scale used in ''blame'' or
the browser ''age'' column if `color_scale` is enabled.
""")
intermediate_point = Option('browser', 'intermediate_point', '',
doc="""If set to a value between 0 and 1 (exclusive), this will be the
point chosen to set the `intermediate_color` for interpolating
the color value.
""")
intermediate_color = Option('browser', 'intermediate_color', '',
doc="""(r,g,b) color triple to use for the color corresponding
to the intermediate color, if two linear interpolations are used
for the color scale (see `intermediate_point`).
If not set, the intermediate color between `oldest_color` and
`newest_color` will be used.
""")
render_unsafe_content = BoolOption('browser', 'render_unsafe_content',
'false',
"""Whether raw files should be rendered in the browser, or only made
downloadable.
Pretty much any file may be interpreted as HTML by the browser,
which allows a malicious user to create a file containing cross-site
scripting attacks.
For open repositories where anyone can check-in a file, it is
recommended to leave this option disabled.""")
hidden_properties = ListOption('browser', 'hide_properties', 'svk:merge',
doc="""Comma-separated list of version control properties to hide from
the repository browser.
""")
# public methods
def get_custom_colorizer(self):
"""Returns a converter for values from [0.0, 1.0] to a RGB triple."""
def interpolate(old, new, value):
# Provides a linearly interpolated color triple for `value`
# which must be a floating point value between 0.0 and 1.0
return tuple([int(b + (a - b) * value) for a, b in zip(new, old)])
def parse_color(rgb, default):
# Get three ints out of a `rgb` string or return `default`
try:
t = tuple([int(v) for v in re.split(r'(\d+)', rgb)[1::2]])
return t if len(t) == 3 else default
except ValueError:
return default
newest_color = parse_color(self.newest_color, self.NEWEST_COLOR)
oldest_color = parse_color(self.oldest_color, self.OLDEST_COLOR)
try:
intermediate = float(self.intermediate_point)
except ValueError:
intermediate = None
if intermediate:
intermediate_color = parse_color(self.intermediate_color, None)
if not intermediate_color:
intermediate_color = tuple([(a + b) // 2 for a, b in
zip(newest_color, oldest_color)])
def colorizer(value):
if value <= intermediate:
value = value / intermediate
return interpolate(oldest_color, intermediate_color, value)
else:
value = (value - intermediate) / (1.0 - intermediate)
return interpolate(intermediate_color, newest_color, value)
else:
def colorizer(value):
return interpolate(oldest_color, newest_color, value)
return colorizer
# INavigationContributor methods
def get_active_navigation_item(self, req):
return 'browser'
def get_navigation_items(self, req):
rm = RepositoryManager(self.env)
if any(repos.is_viewable(req.perm) for repos
in rm.get_real_repositories()):
yield ('mainnav', 'browser',
tag.a(_('Browse Source'), href=req.href.browser()))
# IPermissionRequestor methods
def get_permission_actions(self):
return ['BROWSER_VIEW', 'FILE_VIEW']
# IRequestHandler methods
def match_request(self, req):
match = re.match(r'/(export|browser|file)(/.*)?$', req.path_info)
if match:
mode, path = match.groups()
if mode == 'export':
if path and '/' in path:
path_elts = path.split('/', 2)
if len(path_elts) != 3:
return False
path = path_elts[2]
req.args['rev'] = path_elts[1]
req.args['format'] = 'raw'
elif mode == 'file':
req.redirect(req.href.browser(path, rev=req.args.get('rev'),
format=req.args.get('format')),
permanent=True)
req.args['path'] = path or '/'
return True
def process_request(self, req):
presel = req.args.get('preselected')
if presel and (presel + '/').startswith(req.href.browser() + '/'):
req.redirect(presel)
path = req.args.get('path', '/')
rev = req.args.get('rev', '')
if rev.lower() in ('', 'head'):
rev = None
format = req.args.get('format')
order = req.args.get('order', 'name').lower()
desc = 'desc' in req.args
rm = RepositoryManager(self.env)
all_repositories = rm.get_all_repositories()
reponame, repos, path = rm.get_repository_by_path(path)
# Repository index
show_index = not reponame and path == '/'
if show_index:
if repos and (as_bool(all_repositories[''].get('hidden'))
or not repos.is_viewable(req.perm)):
repos = None
if not repos and reponame:
raise ResourceNotFound(_("Repository '%(repo)s' not found",
repo=reponame))
if reponame and reponame != repos.reponame: # Redirect alias
qs = req.query_string
req.redirect(req.href.browser(repos.reponame or None, path)
+ ('?' + qs if qs else ''))
reponame = repos.reponame if repos else None
# Find node for the requested path/rev
context = web_context(req)
node = None
changeset = None
display_rev = lambda rev: rev
if repos:
try:
if rev:
rev = repos.normalize_rev(rev)
# If `rev` is `None`, we'll try to reuse `None` consistently,
# as a special shortcut to the latest revision.
rev_or_latest = rev or repos.youngest_rev
node = get_existing_node(req, repos, path, rev_or_latest)
except NoSuchChangeset as e:
raise ResourceNotFound(e, _('Invalid changeset number')) from e
if node:
try:
# use changeset instance to retrieve branches and tags
changeset = repos.get_changeset(node.rev)
except NoSuchChangeset:
pass
context = context.child(repos.resource.child(self.realm, path,
version=rev_or_latest))
display_rev = repos.display_rev
# Prepare template data
path_links = get_path_links(req.href, reponame, path, rev,
order, desc)
repo_data = dir_data = file_data = None
if show_index:
repo_data = self._render_repository_index(
context, all_repositories, order, desc)
if node:
if not node.is_viewable(req.perm):
raise PermissionError('BROWSER_VIEW' if node.isdir else
'FILE_VIEW', node.resource, self.env)
if node.isdir:
if format in ('zip',): # extension point here...
self._render_zip(req, context, repos, node, rev)
# not reached
dir_data = self._render_dir(req, repos, node, rev, order, desc)
elif node.isfile:
file_data = self._render_file(req, context, repos, node, rev)
if not repos and not (repo_data and repo_data['repositories']):
# If no viewable repositories, check permission instead of
# repos.is_viewable()
req.perm.require('BROWSER_VIEW')
if show_index:
raise ResourceNotFound(_("No viewable repositories"))
else:
raise ResourceNotFound(_("No node %(path)s", path=path))
quickjump_data = properties_data = None
if node and not req.is_xhr:
properties_data = self.render_properties(
'browser', context, node.get_properties())
quickjump_data = list(repos.get_quickjump_entries(rev))
data = {
'context': context, 'reponame': reponame, 'repos': repos,
'repoinfo': all_repositories.get(reponame or ''),
'path': path, 'rev': node and node.rev, 'stickyrev': rev,
'display_rev': display_rev, 'changeset': changeset,
'created_path': node and node.created_path,
'created_rev': node and node.created_rev,
'properties': properties_data,
'path_links': path_links,
'order': order, 'desc': 1 if desc else None,
'repo': repo_data, 'dir': dir_data, 'file': file_data,
'quickjump_entries': quickjump_data,
'wiki_format_messages':
self.config['changeset'].getbool('wiki_format_messages'),
}
if req.is_xhr: # render and return the content only
return 'dir_entries.html', data
if dir_data or repo_data:
add_script(req, 'common/js/expand_dir.js')
add_script(req, 'common/js/keyboard_nav.js')
# Links for contextual navigation
if node:
if node.isfile:
prev_rev = repos.previous_rev(rev=node.created_rev,
path=node.created_path)
if prev_rev:
href = req.href.browser(reponame,
node.created_path, rev=prev_rev)
add_link(req, 'prev', href,
_('Revision %(num)s', num=display_rev(prev_rev)))
if rev is not None:
add_link(req, 'up', req.href.browser(reponame,
node.created_path))
next_rev = repos.next_rev(rev=node.created_rev,
path=node.created_path)
if next_rev:
href = req.href.browser(reponame, node.created_path,
rev=next_rev)
add_link(req, 'next', href,
_('Revision %(num)s', num=display_rev(next_rev)))
prevnext_nav(req, _('Previous Revision'), _('Next Revision'),
_('Latest Revision'))
else:
if path != '/':
add_link(req, 'up', path_links[-2]['href'],
_('Parent directory'))
add_ctxtnav(req, tag.a(_('Last Change'),
href=req.href.changeset(node.created_rev, reponame,
node.created_path)))
if node.isfile:
annotate = data['file']['annotate']
if annotate:
add_ctxtnav(req, _('Normal'),
title=_('View file without annotations'),
href=req.href.browser(reponame,
node.created_path,
rev=rev))
if annotate != 'blame':
add_ctxtnav(req, _('Blame'),
title=_('Annotate each line with the last '
'changed revision '
'(this can be time consuming...)'),
href=req.href.browser(reponame,
node.created_path,
rev=rev,
annotate='blame'))
add_ctxtnav(req, _('Revision Log'),
href=req.href.log(reponame, path, rev=rev))
path_url = repos.get_path_url(path, rev)
if path_url:
if path_url.startswith('//'):
path_url = req.scheme + ':' + path_url
add_ctxtnav(req, _('Repository URL'), href=path_url)
add_stylesheet(req, 'common/css/browser.css')
return 'browser.html', data
# Internal methods
def _render_repository_index(self, context, all_repositories, order, desc):
# Color scale for the age column
timerange = custom_colorizer = None
if self.color_scale:
custom_colorizer = self.get_custom_colorizer()
rm = RepositoryManager(self.env)
repositories = []
for reponame, repoinfo in all_repositories.items():
if not reponame or as_bool(repoinfo.get('hidden')):
continue
try:
repos = rm.get_repository(reponame)
except TracError as err:
entry = (reponame, repoinfo, None, None,
exception_to_unicode(err), None)
else:
if repos:
if not repos.is_viewable(context.perm):
continue
try:
youngest = repos.get_changeset(repos.youngest_rev)
except NoSuchChangeset:
youngest = None
if self.color_scale and youngest:
if not timerange:
timerange = TimeRange(youngest.date)
else:
timerange.insert(youngest.date)
raw_href = self._get_download_href(context.href, repos,
None, None)
entry = (reponame, repoinfo, repos, youngest, None,
raw_href)
else:
entry = (reponame, repoinfo, None, None, "\u2013", None)
if entry[4] is not None: # Check permission in case of error
root = Resource('repository', reponame).child(self.realm, '/')
if 'BROWSER_VIEW' not in context.perm(root):
continue
repositories.append(entry)
# Ordering of repositories
if order == 'date':
def repo_order(args):
reponame, repoinfo, repos, youngest, err, href = args
return (youngest.date if youngest else to_datetime(0),
embedded_numbers(reponame.lower()))
elif order == 'author':
def repo_order(args):
reponame, repoinfo, repos, youngest, err, href = args
return (youngest.author.lower() if youngest else '',
embedded_numbers(reponame.lower()))
else:
def repo_order(args):
reponame, repoinfo, repos, youngest, err, href = args
return embedded_numbers(reponame.lower())
repositories = sorted(repositories, key=repo_order, reverse=desc)
return {'repositories' : repositories,
'timerange': timerange, 'colorize_age': custom_colorizer}
def _render_dir(self, req, repos, node, rev, order, desc):
req.perm(node.resource).require('BROWSER_VIEW')
download_href = self._get_download_href
# Entries metadata
class entry(object):
_copy = 'name rev created_rev kind isdir path content_length' \
.split()
__slots__ = _copy + ['raw_href']
def __init__(self, node):
for f in entry._copy:
setattr(self, f, getattr(node, f))
self.raw_href = download_href(req.href, repos, node, rev)
entries = [entry(n) for n in node.get_entries()
if n.is_viewable(req.perm)]
changes = get_changes(repos, [i.created_rev for i in entries],
self.log)
if rev:
newest = repos.get_changeset(rev).date
else:
newest = datetime_now(req.tz)
# Color scale for the age column
timerange = custom_colorizer = None
if self.color_scale:
timerange = TimeRange(newest)
max_s = req.args.get('range_max_secs')
min_s = req.args.get('range_min_secs')
parent_range = [timerange.from_seconds(int(s))
for s in [max_s, min_s] if s]
this_range = [c.date for c in changes.values() if c]
for dt in this_range + parent_range:
timerange.insert(dt)
custom_colorizer = self.get_custom_colorizer()
# Ordering of entries
if order == 'date':
def file_order(a):
return (changes[a.created_rev].date,
embedded_numbers(a.name.lower()))
elif order == 'size':
def file_order(a):
return (a.content_length,
embedded_numbers(a.name.lower()))
elif order == 'author':
def file_order(a):
return (changes[a.created_rev].author.lower(),
embedded_numbers(a.name.lower()))
else:
def file_order(a):
return embedded_numbers(a.name.lower())
dir_order = 1 if desc else -1
def browse_order(a):
return dir_order if a.isdir else 0, file_order(a)
entries = sorted(entries, key=browse_order, reverse=desc)
# ''Zip Archive'' alternate link
zip_href = self._get_download_href(req.href, repos, node, rev)
if zip_href:
add_link(req, 'alternate', zip_href, _('Zip Archive'),
'application/zip', 'zip')
return {'entries': entries, 'changes': changes,
'timerange': timerange, 'colorize_age': custom_colorizer,
'range_max_secs': (timerange and
timerange.to_seconds(timerange.newest)),
'range_min_secs': (timerange and
timerange.to_seconds(timerange.oldest)),
}
def _iter_nodes(self, node):
stack = [node]
while stack:
node = stack.pop()
yield node
if node.isdir:
stack.extend(sorted(node.get_entries(),
key=lambda x: x.name,
reverse=True))
def _render_zip(self, req, context, repos, root_node, rev=None):
if not self.is_path_downloadable(repos, root_node.path):
raise TracError(_("Path not available for download"))
req.perm(context.resource).require('FILE_VIEW')
root_path = root_node.path.rstrip('/')
if root_path:
archive_name = root_node.name
else:
archive_name = repos.reponame or 'repository'
filename = '%s-%s.zip' % (archive_name, root_node.rev)
render_zip(req, filename, repos, root_node, self._iter_nodes)
def _render_file(self, req, context, repos, node, rev=None):
req.perm(node.resource).require('FILE_VIEW')
mimeview = Mimeview(self.env)
# MIME type detection
with content_closing(node.get_processed_content()) as content:
chunk = content.read(CHUNK_SIZE)
mime_type = node.content_type
if not mime_type or mime_type == 'application/octet-stream':
mime_type = mimeview.get_mimetype(node.name, chunk) or \
mime_type or 'text/plain'
# Eventually send the file directly
format = req.args.get('format')
if format in ('raw', 'txt'):
req.send_response(200)
req.send_header('Content-Type',
'text/plain' if format == 'txt' else mime_type)
req.send_header('Last-Modified', http_date(node.last_modified))
if rev is None:
req.send_header('Pragma', 'no-cache')
req.send_header('Cache-Control', 'no-cache')
req.send_header('Expires', 'Fri, 01 Jan 1999 00:00:00 GMT')
if not self.render_unsafe_content:
# Force browser to download files instead of rendering
# them, since they might contain malicious code enabling
# XSS attacks
req.send_header('Content-Disposition', 'attachment')
req.end_headers()
# Note: don't pass an iterable instance to RequestDone, instead
# call req.write() with each chunk here to avoid SEGVs (#11805)
while chunk:
req.write(chunk)
chunk = content.read(CHUNK_SIZE)
raise RequestDone
# The changeset corresponding to the last change on `node`
# is more interesting than the `rev` changeset.
changeset = repos.get_changeset(node.created_rev)
# add ''Plain Text'' alternate link if needed
if not is_binary(chunk) and mime_type != 'text/plain':
plain_href = req.href.browser(repos.reponame or None,
node.path, rev=rev,
format='txt')
add_link(req, 'alternate', plain_href, _('Plain Text'),
'text/plain')
# add ''Original Format'' alternate link (always)
raw_href = req.href.export(rev or repos.youngest_rev,
repos.reponame or None, node.path)
add_link(req, 'alternate', raw_href, _('Original Format'),
mime_type)
self.log.debug("Rendering preview of node %s@%s with "
"mime-type %s", node.name, rev, mime_type)
add_stylesheet(req, 'common/css/code.css')
annotations = ['lineno']
annotate = req.args.get('annotate')
if annotate:
annotations.insert(0, annotate)
with content_closing(node.get_processed_content()) as content:
preview_data = mimeview.preview_data(context, content,
node.get_content_length(),
mime_type, node.created_path,
raw_href,
annotations=annotations,
force_source=bool(annotate))
return {
'changeset': changeset,
'size': node.content_length,
'preview': preview_data,
'annotate': annotate,
}
def _get_download_href(self, href, repos, node, rev):
"""Return the URL for downloading a file, or a directory as a ZIP."""
if node is not None and node.isfile:
return href.export(rev or 'HEAD', repos.reponame or None,
node.path)
path = '' if node is None else node.path.strip('/')
if self.is_path_downloadable(repos, path):
return href.browser(repos.reponame or None, path,
rev=rev or repos.youngest_rev, format='zip')
# public methods
def is_path_downloadable(self, repos, path):
if repos.reponame:
path = repos.reponame + '/' + path
return any(fnmatchcase(path, dp.strip('/'))
for dp in self.downloadable_paths)
def render_properties(self, mode, context, props):
"""Prepare rendering of a collection of properties."""
return list(filter(None,
[self.render_property(name, mode, context, props)
for name in sorted(props)]))
def render_property(self, name, mode, context, props):
"""Renders a node property to HTML."""
if name in self.hidden_properties:
return
candidates = []
for renderer in self.property_renderers:
quality = renderer.match_property(name, mode)
if quality > 0:
candidates.append((quality, renderer))
candidates.sort(reverse=True)
for (quality, renderer) in candidates:
try:
rendered = renderer.render_property(name, mode, context, props)
if not rendered:
return rendered
if isinstance(rendered, RenderedProperty):
value = rendered.content
else:
value = rendered
rendered = None
prop = {'name': name, 'value': value, 'rendered': rendered}
return prop
except Exception as e:
self.log.warning('Rendering failed for property %s with '
'renderer %s: %s', name,
renderer.__class__.__name__,
exception_to_unicode(e, traceback=True))
# IWikiSyntaxProvider methods
def get_wiki_syntax(self):
return []
def get_link_resolvers(self):
"""TracBrowser link resolvers.
`source:` and `browser:`
* simple paths (/dir/file)
* paths at a given revision (/dir/file@234)
* paths with line number marks (/dir/file@234:10,20-30)
* paths with line number anchor (/dir/file@234#L100)
Marks and anchor can be combined.
The revision must be present when specifying line numbers.
In the few cases where it would be redundant (e.g. for tags), the
revision number itself can be omitted: /tags/v10/file@100-110#L99
"""
return [('repos', self._format_browser_link),
('export', self._format_export_link),
('source', self._format_browser_link),
('browser', self._format_browser_link)]
def _format_export_link(self, formatter, ns, export, label):
export, query, fragment = formatter.split_link(export)
if ':' in export:
rev, path = export.split(':', 1)
elif '@' in export:
path, rev = export.split('@', 1)
else:
rev, path = None, export
node, raw_href, title = self._get_link_info(path, rev, formatter.href,
formatter.perm)
if raw_href:
return tag.a(label, class_='export', href=raw_href + fragment,
title=title)
return tag.a(label, class_='missing export')
def _format_browser_link(self, formatter, ns, path, label):
path, query, fragment = formatter.split_link(path)
rev = marks = None
match = self.PATH_LINK_RE.match(path)
if match:
path, rev, marks = match.groups()
href = formatter.href
src_href = href.browser(path, rev=rev, marks=marks) + query + fragment
node, raw_href, title = self._get_link_info(path, rev, formatter.href,
formatter.perm)
if not node:
return tag.a(label, class_='missing source')
link = tag.a(label, class_='source', href=src_href)
if raw_href:
link = tag(link, tag.a('\u200b', href=raw_href + fragment,
title=title,
class_='trac-rawlink' if node.isfile
else 'trac-ziplink'))
return link
PATH_LINK_RE = re.compile(r"([^@#:]*)" # path
r"[@:]([^#:]+)?" # rev
r"(?::(\d+(?:-\d+)?(?:,\d+(?:-\d+)?)*))?" # marks
)
def _get_link_info(self, path, rev, href, perm):
rm = RepositoryManager(self.env)
node = raw_href = title = None
try:
reponame, repos, npath = rm.get_repository_by_path(path)
node = get_allowed_node(repos, npath, rev, perm)
if node is not None:
raw_href = self._get_download_href(href, repos, node, rev)
title = _("Download") if node.isfile \
else _("Download as Zip archive")
except TracError:
pass
return node, raw_href, title
# IHTMLPreviewAnnotator methods
def get_annotation_type(self):
return 'blame', _('Rev'), _('Revision in which the line changed')
def get_annotation_data(self, context):
"""Cache the annotation data corresponding to each revision."""
return BlameAnnotator(self.env, context)
def annotate_row(self, context, row, lineno, line, blame_annotator):
blame_annotator.annotate(row, lineno)
# IWikiMacroProvider methods
def get_macros(self):
yield "RepositoryIndex"
def get_macro_description(self, name):
description = cleandoc_("""
Display the list of available repositories.
Can be given the following named arguments:
''format''::
Select the rendering format:
- ''compact'' produces a comma-separated list of repository prefix
names (default)
- ''list'' produces a description list of repository prefix names
- ''table'' produces a table view, similar to the one visible in
the ''Browse View'' page
''glob''::
Do a glob-style filtering on the repository names (defaults to '*')
''order''::
Order repositories by the given column (one of "name", "date" or
"author")
''desc''::
When set to 1, order by descending order
""")
return 'messages', description
def expand_macro(self, formatter, name, content):
args, kwargs = parse_args(content)
format = kwargs.get('format', 'compact')
glob = kwargs.get('glob', '*')
order = kwargs.get('order')
desc = as_bool(kwargs.get('desc', 0))
rm = RepositoryManager(self.env)
all_repos = dict(rdata for rdata in rm.get_all_repositories().items()
if fnmatchcase(rdata[0], glob))
if format == 'table':
repo = self._render_repository_index(formatter.context, all_repos,
order, desc)
add_stylesheet(formatter.req, 'common/css/browser.css')
wiki_format_messages = self.config['changeset'] \
.getbool('wiki_format_messages')
data = {'repo': repo, 'order': order, 'desc': 1 if desc else None,
'reponame': None, 'path': '/', 'stickyrev': None,
'wiki_format_messages': wiki_format_messages}
return Chrome(self.env).render_fragment(formatter.context.req,
'repository_index.html',
data)
def get_repository(reponame):
try:
return rm.get_repository(reponame)
except TracError:
return
all_repos = [(reponame, get_repository(reponame))
for reponame in all_repos]
all_repos = sorted(((reponame, repos) for reponame, repos in all_repos
if repos
and not as_bool(repos.params.get('hidden'))
and repos.is_viewable(formatter.perm)),
reverse=desc)
def repolink(reponame, repos):
label = reponame or _('(default)')
return Markup(tag.a(label,
title=_('View repository %(repo)s', repo=label),
href=formatter.href.browser(repos.reponame or None)))
if format == 'list':
return tag.dl([
tag(tag.dt(repolink(reponame, repos)),
tag.dd(repos.params.get('description')))
for reponame, repos in all_repos])
else: # compact
return Markup(', ').join(repolink(reponame, repos)
for reponame, repos in all_repos)
class BlameAnnotator(object):
def __init__(self, env, context):
self.env = env
self.context = context
rm = RepositoryManager(self.env)
self.repos = rm.get_repository(context.resource.parent.id)
self.path = context.resource.id
self.rev = context.resource.version
# maintain state
self.prev_chgset = None
self.chgset_data = {}
add_script(context.req, 'common/js/blame.js')
add_stylesheet(context.req, 'common/css/changeset.css')
add_stylesheet(context.req, 'common/css/diff.css')
self.reset()
def reset(self):
rev = self.rev
node = self.repos.get_node(self.path, rev)
# FIXME: get_annotations() should be in the Resource API
# -- get revision numbers for each line
self.annotations = node.get_annotations()
# -- from the annotations, retrieve changesets and
# determine the span of dates covered, for the color code.
# Note: changesets[i].rev can differ from annotations[i]
# (long form vs. compact, short rev form for the latter).
self.changesets = []
chgset = self.repos.get_changeset(rev)
chgsets = {rev: chgset}
self.timerange = TimeRange(chgset.date)
for idx in range(len(self.annotations)):
rev = self.annotations[idx]
chgset = chgsets.get(rev)
if not chgset:
chgset = self.repos.get_changeset(rev)
chgsets[rev] = chgset
self.timerange.insert(chgset.date)
# get list of changeset parallel to annotations
self.changesets.append(chgset)
# -- retrieve the original path of the source, for each rev
# (support for copy/renames)
self.paths = {}
for path, rev, chg in node.get_history():
self.paths[rev] = path
# -- get custom colorize function
browser = BrowserModule(self.env)
self.colorize_age = browser.get_custom_colorizer()
def annotate(self, row, lineno):
if lineno > len(self.annotations):
row.append(tag.th())
return
rev = self.annotations[lineno-1]
chgset = self.changesets[lineno-1]
path = self.paths.get(rev)
# Note: path will be None if copy/rename is not supported
# by get_history
# -- compute anchor and style once per revision
if rev not in self.chgset_data:
chgset_href = \
self.context.href.changeset(rev, self.repos.reponame or None,
path)
short_author = chgset.author.split(' ', 1)[0]
title = shorten_line('%s: %s' % (short_author, chgset.message))
anchor = tag.a('[%s]' % self.repos.short_rev(rev), # shortname
title=title, href=chgset_href)
color = self.colorize_age(self.timerange.relative(chgset.date))
style = 'background-color: rgb(%d, %d, %d);' % color
self.chgset_data[rev] = (anchor, style)
else:
anchor, style = self.chgset_data[rev]
if self.prev_chgset != chgset:
self.prev_style = style
# optimize away the path if there's no copy/rename info
if not path or path == self.path:
path = ''
# -- produce blame column, eventually with an anchor
style = self.prev_style
if lineno < len(self.changesets) and self.changesets[lineno] == chgset:
style += ' border-bottom: none;'
blame_col = tag.th(style=style, class_='blame r%s' % rev)
if self.prev_chgset != chgset:
blame_col.append(anchor)
self.prev_chgset = chgset
row.append(blame_col)