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# Published under the GNU GPL, v2 or later.
# Copyright (C) 2007 Henry Ludemann <misc@hl.id.au>
# Copyright (C) 2007 TK Soh <teekaysoh@gmail.com>
import os
import win32api
import win32con
from win32com.shell import shell, shellcon
import _winreg
from mercurial import hg, cmdutil, util
import thgutil
import sys
try:
from mercurial.error import RepoError
except ImportError:
from mercurial.repo import RepoError
# FIXME: quick workaround traceback caused by missing "closed"
# attribute in win32trace.
from mercurial import ui
def write_err(self, *args):
for a in args:
sys.stderr.write(str(a))
ui.ui.write_err = write_err
# file/directory status
UNCHANGED = "unchanged"
ADDED = "added"
MODIFIED = "modified"
UNKNOWN = "unknown"
NOT_IN_REPO = "n/a"
# file status cache
CACHE_TIMEOUT = 5000
overlay_cache = {}
cache_tick_count = 0
cache_root = None
cache_pdir = None
# some misc constants
S_OK = 0
S_FALSE = 1
def add_dirs(list):
dirs = set()
for f in list:
dir = os.path.dirname(f)
if dir in dirs:
continue
while dir:
dirs.add(dir)
dir = os.path.dirname(dir)
list.extend(dirs)
class IconOverlayExtension(object):
"""
Class to implement icon overlays for source controlled files.
Specialized classes are created for each overlay icon.
Displays a different icon based on version control status.
NOTE: The system allocates only 15 slots in _total_ for all
icon overlays; we (will) use 6, tortoisecvs uses 7... not a good
recipe for a happy system. By utilizing the TortoiseOverlay.dll
we can share overlay slots with the other tortoises.
"""
counter = 0
_com_interfaces_ = [shell.IID_IShellIconOverlayIdentifier]
_public_methods_ = [
"GetOverlayInfo", "GetPriority", "IsMemberOf"
]
_reg_threading_ = 'Apartment'
def GetOverlayInfo(self):
return ("", 0, 0)
def GetPriority(self):
return 0
def _get_state(self, upath):
"""
Get the state of a given path in source control.
"""
global overlay_cache, cache_tick_count
global cache_root, cache_pdir
#print "called: _get_state(%s)" % path
tc = win32api.GetTickCount()
try:
# handle some Asian charsets
path = upath.encode('mbcs')
except:
path = upath
# check if path is cached
pdir = os.path.dirname(path)
if cache_pdir == pdir and overlay_cache:
if tc - cache_tick_count < CACHE_TIMEOUT:
try:
status = overlay_cache[path]
except:
status = UNKNOWN
print "%s: %s (cached)" % (path, status)
return status
else:
print "Timed out!!"
overlay_cache.clear()
# path is a drive
if path.endswith(":\\"):
overlay_cache[path] = UNKNOWN
return NOT_IN_REPO
# open repo
if cache_pdir == pdir:
root = cache_root
else:
print "find new root"
cache_pdir = pdir
cache_root = root = thgutil.find_root(pdir)
print "_get_state: root = ", root
if root is None:
print "_get_state: not in repo"
overlay_cache = {None : None}
cache_tick_count = win32api.GetTickCount()
return NOT_IN_REPO
try:
tc1 = win32api.GetTickCount()
repo = hg.repository(ui.ui(), path=root)
print "hg.repository() took %d ticks" % (win32api.GetTickCount() - tc1)
# check if to display overlay icons in this repo
global_opts = ui.ui().configlist('tortoisehg', 'overlayicons', [])
repo_opts = repo.ui.configlist('tortoisehg', 'overlayicons', [])
print "%s: global overlayicons = " % path, global_opts
print "%s: repo overlayicons = " % path, repo_opts
is_netdrive = thgutil.netdrive_status(path) is not None
if (is_netdrive and 'localdisks' in global_opts) \
or 'False' in repo_opts:
print "%s: overlayicons disabled" % path
overlay_cache = {None : None}
cache_tick_count = win32api.GetTickCount()
return NOT_IN_REPO
except RepoError:
# We aren't in a working tree
print "%s: not in repo" % pdir
overlay_cache[path] = UNKNOWN
return NOT_IN_REPO
# get file status
tc1 = win32api.GetTickCount()
modified, added, removed, deleted = [], [], [], []
unknown, ignored, clean = [], [], []
try:
matcher = cmdutil.match(repo, [pdir])
modified, added, removed, deleted, unknown, ignored, clean = \
repo.status(match=matcher, ignored=True,
clean=True, unknown=True)
# add directory status to list
for grp in (clean,modified,added,removed,deleted,ignored,unknown):
add_dirs(grp)
except util.Abort, inst:
print "abort: %s" % inst
print "treat as unknown : %s" % path
return UNKNOWN
print "status() took %d ticks" % (win32api.GetTickCount() - tc1)
# cached file info
tc = win32api.GetTickCount()
overlay_cache = {}
for grp, st in (
(ignored, UNKNOWN),
(unknown, UNKNOWN),
(clean, UNCHANGED),
(added, ADDED),
(removed, MODIFIED),
(deleted, MODIFIED),
(modified, MODIFIED)):
for f in grp:
fpath = os.path.join(repo.root, os.path.normpath(f))
overlay_cache[fpath] = st
if path in overlay_cache:
status = overlay_cache[path]
else:
status = overlay_cache[path] = UNKNOWN
print "%s: %s" % (path, status)
cache_tick_count = win32api.GetTickCount()
return status
def IsMemberOf(self, path, attrib):
try:
tc = win32api.GetTickCount()
if self._get_state(path) == self.state:
return S_OK
return S_FALSE
finally:
print "IsMemberOf: _get_state() took %d ticks" % \
(win32api.GetTickCount() - tc)
def make_icon_overlay(name, icon_type, state, clsid):
"""
Make an icon overlay COM class.
Used to create different COM server classes for highlighting the
files with different source controlled states (eg: unchanged,
modified, ...).
"""
classname = "%sOverlay" % name
prog_id = "Mercurial.ShellExtension.%s" % classname
desc = "Mercurial icon overlay shell extension for %s files" % name.lower()
reg = [
(_winreg.HKEY_LOCAL_MACHINE,
r"Software\TortoiseOverlays\%s" % icon_type,
[("TortoiseHg", clsid)])
]
cls = type(
classname,
(IconOverlayExtension, ),
dict(_reg_clsid_=clsid, _reg_progid_=prog_id, _reg_desc_=desc, registry_keys=reg, stringKey="HG", state=state))
_overlay_classes.append(cls)
# We need to register the class as global, as pythoncom will
# create an instance of it.
globals()[classname] = cls
_overlay_classes = []
make_icon_overlay("Changed", "Modified", MODIFIED, "{4D0F33E1-654C-4A1B-9BE8-E47A98752BAB}")
make_icon_overlay("Unchanged", "Normal", UNCHANGED, "{4D0F33E2-654C-4A1B-9BE8-E47A98752BAB}")
make_icon_overlay("Added", "Added", ADDED, "{4D0F33E3-654C-4A1B-9BE8-E47A98752BAB}")
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