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''' Mercurial revision DAG visualization library
Implements a gtk.TreeModel which visualizes a Mercurial repository
revision history.
Portions of this code stolen mercilessly from bzr-gtk visualization
dialog. Other portions stolen from graphlog extension.
'''
import gtk
import gobject
import re
from time import (strftime, gmtime)
from mercurial import util
from mercurial.node import short
# FIXME: dirty hack to import toutf() from hggtk.hglib.
#
# Python 2.5's relative imports doesn't seem to work either,
# when running history.py directly.
#
# Besides, we want to be compatible older Python versions.
try:
# when history.py is invoked directly
from hglib import toutf
except ImportError:
# when history.py is imported and called from hgproc.py
from hggtk.hglib import toutf
# treemodel row enumerated attributes
LINES = 0
NODE = 1
REVID = 2
LAST_LINES = 3
MESSAGE = 4
COMMITER = 5
TIMESTAMP = 6
REVISION = 7
PARENTS = 8
WCPARENT = 9
HEAD = 10
TAGS = 11
MARKED = 12
FGCOLOR = 13
HEXID = 14
class TreeModel(gtk.GenericTreeModel):
def __init__ (self, repo, graphdata, color_func):
gtk.GenericTreeModel.__init__(self)
self.revisions = {}
self.repo = repo
self.parents = [x.rev() for x in repo.changectx(None).parents()]
self.heads = [repo.changelog.rev(x) for x in repo.heads()]
self.line_graph_data = graphdata
self.author_re = re.compile('<.*@.*>', 0)
self.color_func = color_func
def on_get_flags(self):
return gtk.TREE_MODEL_LIST_ONLY
def on_get_n_columns(self):
return 14
def on_get_column_type(self, index):
if index == NODE: return gobject.TYPE_PYOBJECT
if index == LINES: return gobject.TYPE_PYOBJECT
if index == REVID: return gobject.TYPE_STRING
if index == LAST_LINES: return gobject.TYPE_PYOBJECT
if index == MESSAGE: return gobject.TYPE_STRING
if index == COMMITER: return gobject.TYPE_STRING
if index == TIMESTAMP: return gobject.TYPE_STRING
if index == REVISION: return gobject.TYPE_PYOBJECT
if index == PARENTS: return gobject.TYPE_PYOBJECT
if index == WCPARENT: return gobject.TYPE_BOOLEAN
if index == HEAD: return gobject.TYPE_BOOLEAN
if index == TAGS: return gobject.TYPE_STRING
if index == MARKED: return gobject.TYPE_BOOLEAN
if index == FGCOLOR: return gobject.TYPE_STRING
if index == HEXID: return gobject.TYPE_STRING
def on_get_iter(self, path):
return path[0]
def on_get_path(self, rowref):
return rowref
def on_get_value(self, rowref, column):
(revid, node, lines, parents) = self.line_graph_data[rowref]
if column == REVID: return revid
if column == NODE: return node
if column == LINES: return lines
if column == PARENTS: return parents
if column == LAST_LINES:
if rowref>0:
return self.line_graph_data[rowref-1][2]
return []
if revid not in self.revisions:
ctx = self.repo.changectx(revid)
summary = ctx.description().replace('\0', '')
summary = summary.split('\n')[0]
summary = gobject.markup_escape_text(toutf(summary))
node = self.repo.lookup(revid)
tags = self.repo.nodetags(node)
taglist = toutf(', '.join(tags))
for tag in tags:
summary = '<span background="#ffffaa"> %s </span> %s' % (
tag, summary)
# show no-default branch names in head changesets
branch = ctx.branch()
if revid in self.heads and branch != "default":
summary = '<span background="#aaffaa"> %s </span> %s' % (
branch, summary)
if '<' in ctx.user():
author = toutf(self.author_re.sub('', ctx.user()).strip(' '))
else:
author = toutf(util.shortuser(ctx.user()))
date = strftime("%Y-%m-%d %H:%M:%S", gmtime(ctx.date()[0]))
wc_parent = revid in self.parents
head = revid in self.heads
color = self.color_func(parents, revid, author)
revision = (None, node, revid, None, summary,
author, date, None, parents, wc_parent, head, taglist,
None, color, short(node))
self.revisions[revid] = revision
else:
revision = self.revisions[revid]
if column == REVISION:
return revision
if column == MARKED:
return revid == self.marked_rev
return revision[column]
def on_iter_next(self, rowref):
if rowref < len(self.line_graph_data) - 1:
return rowref+1
return None
def on_iter_children(self, parent):
if parent is None: return 0
return None
def on_iter_has_child(self, rowref):
return False
def on_iter_n_children(self, rowref):
if rowref is None: return len(self.line_graph_data)
return 0
def on_iter_nth_child(self, parent, n):
if parent is None: return n
return None
def on_iter_parent(self, child):
return None
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