trac-ticketlinks / sample-plugins /

"""Sample Wiki syntax extension plugin."""

from genshi.builder import tag

from trac.core import *
from trac.util.text import shorten_line
from trac.versioncontrol.api import NoSuchChangeset, RepositoryManager
from trac.versioncontrol.web_ui import ChangesetModule
from import IWikiSyntaxProvider

revision = "$Rev$"
url = "$URL$"

class RevisionLinks(Component):
    """Adds a few more ways to refer to changesets."""


    KEYWORDS = ['[Rr]ev(?:ision)?', '[Cc]hangeset']

    # IWikiSyntaxProvider methods

    def get_wiki_syntax(self):
        def revlink(f, match, fullmatch):
            elts = match.split()
            rev = elts[1] # ignore keyword
            reponame = ''
            if len(elts) > 2: # reponame specified
                reponame = elts[-1]
            return self._format_revision_link(f, 'revision', reponame, rev, rev,

        yield (r"!?(?:%s)\s+%s(?:\s+in\s+\w+)?" % 
               ("|".join(self.KEYWORDS), ChangesetModule.CHANGESET_ID), revlink)

    def get_link_resolvers(self):
        def resolverev(f, ns, rev, label, fullmatch):
            return self._format_revision_link(f, ns, '', rev, label, fullmatch)
        yield ('revision', resolverev)

    def _format_revision_link(self, formatter, ns, reponame, rev, label, 
        rev, params, fragment = formatter.split_link(rev)
            repos = RepositoryManager(self.env).get_repository(reponame)
            if repos:
                changeset = repos.get_changeset(rev)
                return tag.a(label, class_="changeset",
                             href=(formatter.href.changeset(rev) +
                                   params + fragment))
        except NoSuchChangeset:
        return tag.a(label, class_="missing changeset", rel="nofollow",
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