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# hglib.py - Mercurial API wrappers for TortoiseHg
#
# Copyright 2007 Steve Borho <steve@borho.org>
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2, incorporated herein by reference.
import os
import sys
import shlex
import time
import inspect
from mercurial import ui, util, extensions, match, bundlerepo, url, cmdutil
from mercurial import dispatch, encoding, templatefilters, filemerge
_encoding = encoding.encoding
_encodingmode = encoding.encodingmode
_fallbackencoding = encoding.fallbackencoding
# extensions which can cause problem with TortoiseHg
_extensions_blacklist = ('color', 'pager', 'progress')
from tortoisehg.util import paths
from tortoisehg.util.hgversion import hgversion
def tounicode(s):
"""
Convert the encoding of string from MBCS to Unicode.
Based on mercurial.util.tolocal().
Return 'unicode' type string.
"""
if s is None:
return None
if isinstance(s, unicode):
return s
for e in ('utf-8', _encoding):
try:
return s.decode(e, 'strict')
except UnicodeDecodeError:
pass
return s.decode(_fallbackencoding, 'replace')
def fromunicode(s, errors='strict'):
"""
Convert the encoding of string from Unicode to MBCS.
Return 'str' type string.
If you don't want an exception for conversion failure,
specify errors='replace'.
"""
if s is None:
return None
s = unicode(s) # s can be QtCore.QString
for enc in (_encoding, _fallbackencoding):
try:
return s.encode(enc)
except UnicodeEncodeError:
pass
return s.encode(_encoding, errors) # last ditch
def toutf(s):
"""
Convert the encoding of string from MBCS to UTF-8.
Return 'str' type string.
"""
if s is None:
return None
return tounicode(s).encode('utf-8').replace('\0','')
def fromutf(s):
"""
Convert the encoding of string from UTF-8 to MBCS
Return 'str' type string.
"""
if s is None:
return None
try:
return s.decode('utf-8').encode(_encoding)
except (UnicodeDecodeError, UnicodeEncodeError):
pass
try:
return s.decode('utf-8').encode(_fallbackencoding)
except (UnicodeDecodeError, UnicodeEncodeError):
pass
u = s.decode('utf-8', 'replace') # last ditch
return u.encode(_encoding, 'replace')
_tabwidth = None
def gettabwidth(ui):
global _tabwidth
if _tabwidth is not None:
return _tabwidth
tabwidth = ui.config('tortoisehg', 'tabwidth')
try:
tabwidth = int(tabwidth)
if tabwidth < 1 or tabwidth > 16:
tabwidth = 0
except (ValueError, TypeError):
tabwidth = 0
_tabwidth = tabwidth
return tabwidth
_maxdiff = None
def getmaxdiffsize(ui):
global _maxdiff
if _maxdiff is not None:
return _maxdiff
maxdiff = ui.config('tortoisehg', 'maxdiff')
try:
maxdiff = int(maxdiff)
if maxdiff < 1:
maxdiff = sys.maxint
except (ValueError, TypeError):
maxdiff = 1024 # 1MB by default
_maxdiff = maxdiff * 1024
return _maxdiff
_deadbranch = None
def getdeadbranch(ui):
'''return a list of dead branch names in UTF-8'''
global _deadbranch
if _deadbranch is None:
db = toutf(ui.config('tortoisehg', 'deadbranch', ''))
dblist = [b.strip() for b in db.split(',')]
_deadbranch = dblist
return _deadbranch
def getlivebranch(repo):
'''return a list of live branch names in UTF-8'''
lives = []
deads = getdeadbranch(repo.ui)
cl = repo.changelog
for branch, heads in repo.branchmap().iteritems():
# branch encoded in UTF-8
if branch in deads:
# ignore branch names in tortoisehg.deadbranch
continue
bheads = [h for h in heads if ('close' not in cl.read(h)[5])]
if not bheads:
# ignore branches with all heads closed
continue
lives.append(branch.replace('\0', ''))
return lives
def getlivebheads(repo):
'''return a list of revs of live branch heads'''
bheads = []
for b, ls in repo.branchmap().iteritems():
bheads += [repo[x] for x in ls]
heads = [x.rev() for x in bheads if not x.extra().get('close')]
heads.sort()
heads.reverse()
return heads
_hidetags = None
def gethidetags(ui):
global _hidetags
if _hidetags is None:
tags = toutf(ui.config('tortoisehg', 'hidetags', ''))
taglist = [t.strip() for t in tags.split()]
_hidetags = taglist
return _hidetags
def getfilteredtags(repo):
filtered = []
hides = gethidetags(repo.ui)
for tag in list(repo.tags()):
if tag not in hides:
filtered.append(tag)
return filtered
def getrawctxtags(changectx):
'''Returns the tags for changectx, converted to UTF-8 but
unfiltered for hidden tags'''
value = [toutf(tag) for tag in changectx.tags()]
if len(value) == 0:
return None
return value
def getctxtags(changectx):
'''Returns all unhidden tags for changectx, converted to UTF-8'''
value = getrawctxtags(changectx)
if value:
htlist = gethidetags(changectx._repo.ui)
tags = [tag for tag in value if tag not in htlist]
if len(tags) == 0:
return None
return tags
return None
def getmqpatchtags(repo):
'''Returns all tag names used by MQ patches, or []'''
if hasattr(repo, 'mq'):
repo.mq.parse_series()
return repo.mq.series[:]
else:
return []
def diffexpand(line):
'Expand tabs in a line of diff/patch text'
if _tabwidth is None:
gettabwidth(ui.ui())
if not _tabwidth or len(line) < 2:
return line
return line[0] + line[1:].expandtabs(_tabwidth)
_fontconfig = None
def getfontconfig(_ui=None):
global _fontconfig
if _fontconfig is None:
if _ui is None:
_ui = ui.ui()
# defaults
_fontconfig = {'fontcomment': 'monospace 10',
'fontdiff': 'monospace 10',
'fontlist': 'sans 9',
'fontlog': 'monospace 10'}
# overwrite defaults with configured values
for name, val in _ui.configitems('gtools'):
if val and name.startswith('font'):
_fontconfig[name] = val
return _fontconfig
def invalidaterepo(repo):
repo.dirstate.invalidate()
if isinstance(repo, bundlerepo.bundlerepository):
# Work around a bug in hg-1.3. repo.invalidate() breaks
# overlay bundlerepos
return
repo.invalidate()
# way _bookmarks / _bookmarkcurrent cached changed
# from 1.4 to 1.5...
for cachedAttr in ('_bookmarks', '_bookmarkcurrent'):
# Check if it's a property or normal value...
if is_descriptor(repo, cachedAttr):
# The very act of calling hasattr would
# re-cache the property, so just assume it's
# already cached, and catch the error if it wasn't.
try:
delattr(repo, cachedAttr)
except AttributeError:
pass
elif hasattr(repo, cachedAttr):
setattr(repo, cachedAttr, None)
if 'mq' in repo.__dict__: #do not create if it does not exist
repo.mq.invalidate()
def reloadui(root = None):
u = ui.ui()
if root:
u.readconfig(os.path.join(root, '.hg', 'hgrc'))
return u
def loadextension(ui, name):
# Between Mercurial revisions 1.2 and 1.3, extensions.load() stopped
# calling uisetup() after loading an extension. This could do
# unexpected things if you use an hg version < 1.3
extensions.load(ui, name, None)
mod = extensions.find(name)
uisetup = getattr(mod, 'uisetup', None)
if uisetup:
uisetup(ui)
def _loadextensionwithblacklist(orig, ui, name, path):
if name.startswith('hgext.') or name.startswith('hgext/'):
shortname = name[6:]
else:
shortname = name
if shortname in _extensions_blacklist and not path: # only bundled ext
return
return orig(ui, name, path)
def wrapextensionsloader():
"""Wrap extensions.load(ui, name) for blacklist to take effect"""
extensions.wrapfunction(extensions, 'load',
_loadextensionwithblacklist)
def canonpaths(list):
'Get canonical paths (relative to root) for list of files'
# This is a horrible hack. Please remove this when HG acquires a
# decent case-folding solution.
canonpats = []
cwd = os.getcwd()
root = paths.find_root(cwd)
for f in list:
try:
canonpats.append(util.canonpath(root, cwd, f))
except util.Abort:
# Attempt to resolve case folding conflicts.
fu = f.upper()
cwdu = cwd.upper()
if fu.startswith(cwdu):
canonpats.append(util.canonpath(root, cwd, f[len(cwd+os.sep):]))
else:
# May already be canonical
canonpats.append(f)
return canonpats
def escapepath(path):
'Before passing a file path to hg API, it may need escaping'
p = path
if '[' in p or '{' in p or '*' in p or '?' in p:
return 'path:' + p
else:
return p
def normpats(pats):
'Normalize file patterns'
normpats = []
for pat in pats:
kind, p = match._patsplit(pat, None)
if kind:
normpats.append(pat)
else:
if '[' in p or '{' in p or '*' in p or '?' in p:
normpats.append('glob:' + p)
else:
normpats.append('path:' + p)
return normpats
def mergetools(ui, values=None):
'returns the configured merge tools and the internal ones'
if values == None:
values = []
for key, value in ui.configitems('merge-tools'):
t = key.split('.')[0]
if t not in values:
# Ensure the tool is installed
if filemerge._findtool(ui, t):
values.append(t)
values.append('internal:merge')
values.append('internal:prompt')
values.append('internal:dump')
values.append('internal:local')
values.append('internal:other')
values.append('internal:fail')
return values
_difftools = None
def difftools(ui):
global _difftools
if _difftools:
return _difftools
def fixup_extdiff(diffopts):
if '$child' not in diffopts:
diffopts.append('$parent1')
diffopts.append('$child')
if '$parent2' in diffopts:
mergeopts = diffopts[:]
diffopts.remove('$parent2')
else:
mergeopts = []
return diffopts, mergeopts
tools = {}
for cmd, path in ui.configitems('extdiff'):
if cmd.startswith('cmd.'):
cmd = cmd[4:]
if not path:
path = cmd
diffopts = ui.config('extdiff', 'opts.' + cmd, '')
diffopts = shlex.split(diffopts)
diffopts, mergeopts = fixup_extdiff(diffopts)
tools[cmd] = [path, diffopts, mergeopts]
elif cmd.startswith('opts.'):
continue
else:
# command = path opts
if path:
diffopts = shlex.split(path)
path = diffopts.pop(0)
else:
path, diffopts = cmd, []
diffopts, mergeopts = fixup_extdiff(diffopts)
tools[cmd] = [path, diffopts, mergeopts]
mt = []
mergetools(ui, mt)
for t in mt:
if t.startswith('internal:'):
continue
dopts = ui.config('merge-tools', t + '.diffargs', '')
mopts = ui.config('merge-tools', t + '.diff3args', '')
dopts, mopts = shlex.split(dopts), shlex.split(mopts)
tools[t] = [filemerge._findtool(ui, t), dopts, mopts]
_difftools = tools
return tools
def hgcmd_toq(q, label, args):
'''
Run an hg command in a background thread, pipe all output to a Queue
object. Assumes command is completely noninteractive.
'''
class Qui(ui.ui):
def __init__(self, src=None):
super(Qui, self).__init__(src)
self.setconfig('ui', 'interactive', 'off')
def write(self, *args, **opts):
if self._buffers:
self._buffers[-1].extend([str(a) for a in args])
else:
for a in args:
if label:
q.put((str(a), opts.get('label', '')))
else:
q.put(str(a))
def plain(self):
return True
u = Qui()
oldterm = os.environ.get('TERM')
os.environ['TERM'] = 'dumb'
ret = dispatch._dispatch(u, list(args))
if oldterm:
os.environ['TERM'] = oldterm
return ret
def get_reponame(repo):
if repo.ui.config('tortoisehg', 'fullpath', False):
name = repo.root
elif repo.ui.config('web', 'name', False):
name = repo.ui.config('web', 'name')
else:
name = os.path.basename(repo.root)
return toutf(name)
def displaytime(date):
return util.datestr(date, '%Y-%m-%d %H:%M:%S %1%2')
def utctime(date):
return time.strftime("%Y-%m-%d %H:%M:%S", time.gmtime(date[0]))
def age(date):
return templatefilters.age(date)
def username(user):
author = templatefilters.person(user)
if not author:
author = util.shortuser(user)
return author
def get_revision_desc(fctx, curpath=None):
"""return the revision description as a string"""
author = tounicode(username(fctx.user()))
rev = fctx.linkrev()
# If the source path matches the current path, don't bother including it.
if curpath and curpath == fctx.path():
source = ''
else:
source = '(%s)' % fctx.path()
date = age(fctx.date())
l = tounicode(fctx.description()).replace('\0', '').splitlines()
summary = l and l[0] or ''
return '%s@%s%s:%s "%s"' % (author, rev, source, date, summary)
def validate_synch_path(path, repo):
'''
Validate the path that must be used to sync operations (pull,
push, outgoing and incoming)
'''
return_path = path
for alias, path_aux in repo.ui.configitems('paths'):
if path == alias:
return_path = path_aux
elif path == url.hidepassword(path_aux):
return_path = path_aux
return return_path
def get_repo_bookmarks(repo, values=False):
"""
Will return the bookmarks for the given repo if the
bookmarks extension is loaded.
By default, returns a list of bookmark names; if
values is True, returns a dict mapping names to
nodes.
If the extension is not loaded, returns an empty
list/dict.
"""
try:
bookmarks = extensions.find('bookmarks')
except KeyError:
return values and {} or []
if bookmarks:
# Bookmarks changed from 1.4 to 1.5...
if hasattr(bookmarks, 'parse'):
marks = bookmarks.parse(repo)
elif hasattr(repo, '_bookmarks'):
marks = repo._bookmarks
else:
marks = {}
else:
marks = {}
if values:
return marks
else:
return marks.keys()
def get_repo_bookmarkcurrent(repo):
"""
Will return the current bookmark for the given repo
if the bookmarks extension is loaded, and the
track.current option is on.
If the extension is not loaded, or track.current
is not set, returns None
"""
try:
bookmarks = extensions.find('bookmarks')
except KeyError:
return None
if bookmarks and repo.ui.configbool('bookmarks', 'track.current'):
# Bookmarks changed from 1.4 to 1.5...
if hasattr(bookmarks, 'current'):
return bookmarks.current(repo)
elif hasattr(repo, '_bookmarkcurrent'):
return repo._bookmarkcurrent
return None
def is_rev_current(repo, rev):
'''
Returns True if the revision indicated by 'rev' is the current
working directory parent.
If rev is '' or None, it is assumed to mean 'tip'.
'''
if rev in ('', None):
rev = 'tip'
rev = repo.lookup(rev)
parents = repo.parents()
if len(parents) > 1:
return False
return rev == parents[0].node()
def is_descriptor(obj, attr):
"""
Returns True if obj.attr is a descriptor - ie, accessing
the attribute will actually invoke the '__get__' method of
some object.
Returns False if obj.attr exists, but is not a descriptor,
and None if obj.attr was not found at all.
"""
for cls in inspect.getmro(obj.__class__):
if attr in cls.__dict__:
return hasattr(cls.__dict__[attr], '__get__')
return None
def export(repo, revs, template='hg-%h.patch', fp=None, switch_parent=False,
opts=None):
'''
export changesets as hg patches.
Mercurial moved patch.export to cmdutil.export after version 1.5
(change e764f24a45ee in mercurial).
'''
try:
return cmdutil.export(repo, revs, template, fp, switch_parent, opts)
except AttributeError:
from mercurial import patch
return patch.export(repo, revs, template, fp, switch_parent, opts)
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