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# Copyright (C) 2006, 2007, 2009, 2010 by Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
"""bzr postinstall helper for win32 installation
Written by Alexander Belchenko
Dependency: ctypes
"""
import os
import shutil
import sys
##
# CONSTANTS
VERSION = "1.5.20070131"
USAGE = """Bzr postinstall helper for win32 installation
Usage: %s [options]
OPTIONS:
-h, --help - help message
-v, --version - version info
-n, --dry-run - print actions rather than execute them
-q, --silent - no messages for user
--start-bzr - update start_bzr.bat
--add-path - add bzr directory to environment PATH
--delete-path - delete bzr directory to environment PATH
--add-shell-menu - add shell context menu to start bzr session
--delete-shell-menu - delete context menu from shell
--check-mfc71 - check if MFC71.DLL present in system
""" % os.path.basename(sys.argv[0])
# Windows version
_major,_minor,_build,_platform,_text = sys.getwindowsversion()
# from MSDN:
# dwPlatformId
# The operating system platform.
# This member can be one of the following values.
# ========================== ======================================
# Value Meaning
# -------------------------- --------------------------------------
# VER_PLATFORM_WIN32_NT The operating system is Windows Vista,
# 2 Windows Server "Longhorn",
# Windows Server 2003, Windows XP,
# Windows 2000, or Windows NT.
#
# VER_PLATFORM_WIN32_WINDOWS The operating system is Windows Me,
# 1 Windows 98, or Windows 95.
# ========================== ======================================
if _platform == 2:
winver = 'Windows NT'
else:
# don't care about real Windows name, just to force safe operations
winver = 'Windows 98'
##
# INTERNAL VARIABLES
(OK, ERROR) = range(2)
VERSION_FORMAT = "%-50s%s"
def main():
import ctypes
import getopt
import re
import _winreg
import locale
user_encoding = locale.getpreferredencoding() or 'ascii'
import ctypes
hkey_str = {_winreg.HKEY_LOCAL_MACHINE: 'HKEY_LOCAL_MACHINE',
_winreg.HKEY_CURRENT_USER: 'HKEY_CURRENT_USER',
_winreg.HKEY_CLASSES_ROOT: 'HKEY_CLASSES_ROOT',
}
dry_run = False
silent = False
start_bzr = False
add_path = False
delete_path = False
add_shell_menu = False
delete_shell_menu = False
check_mfc71 = False
try:
opts, args = getopt.getopt(sys.argv[1:], "hvnq",
["help", "version",
"dry-run",
"silent",
"start-bzr",
"add-path",
"delete-path",
"add-shell-menu",
"delete-shell-menu",
"check-mfc71",
])
for o, a in opts:
if o in ("-h", "--help"):
print USAGE
return OK
elif o in ("-v", "--version"):
print VERSION_FORMAT % (USAGE.splitlines()[0], VERSION)
return OK
elif o in ('-n', "--dry-run"):
dry_run = True
elif o in ('-q', '--silent'):
silent = True
elif o == "--start-bzr":
start_bzr = True
elif o == "--add-path":
add_path = True
elif o == "--delete-path":
delete_path = True
elif o == "--add-shell-menu":
add_shell_menu = True
elif o == "--delete-shell-menu":
delete_shell_menu = True
elif o == "--check-mfc71":
check_mfc71 = True
except getopt.GetoptError, msg:
print str(msg)
print USAGE
return ERROR
# message box from Win32API
MessageBoxA = ctypes.windll.user32.MessageBoxA
MB_OK = 0
MB_ICONERROR = 16
MB_ICONEXCLAMATION = 48
bzr_dir = os.path.dirname(os.path.abspath(sys.argv[0]))
if start_bzr:
fname = os.path.join(bzr_dir, "start_bzr.bat")
if os.path.isfile(fname):
f = file(fname, "r")
content = f.readlines()
f.close()
else:
content = ["bzr.exe help\n"]
for ix in xrange(len(content)):
s = content[ix]
if re.match(r'.*(?<!\\)bzr\.exe([ "].*)?$',
s.rstrip('\r\n'),
re.IGNORECASE):
content[ix] = s.replace('bzr.exe',
'"%s"' % os.path.join(bzr_dir,
'bzr.exe'))
if dry_run:
print "*** Write file: start_bzr.bat"
print "*** File content:"
print ''.join(content)
else:
f = file(fname, 'w')
f.write(''.join(content))
f.close()
if (add_path or delete_path) and winver == 'Windows NT':
# find appropriate registry key:
# 1. HKLM\System\CurrentControlSet\Control\SessionManager\Environment
# 2. HKCU\Environment
keys = ((_winreg.HKEY_LOCAL_MACHINE, (r'System\CurrentControlSet\Control'
r'\Session Manager\Environment')),
(_winreg.HKEY_CURRENT_USER, r'Environment'),
)
hkey = None
for key, subkey in keys:
try:
hkey = _winreg.OpenKey(key, subkey, 0, _winreg.KEY_ALL_ACCESS)
try:
path_u, type_ = _winreg.QueryValueEx(hkey, 'Path')
except WindowsError:
if key != _winreg.HKEY_CURRENT_USER:
_winreg.CloseKey(hkey)
hkey = None
continue
else:
path_u = u''
type_ = _winreg.REG_SZ
except EnvironmentError:
continue
break
if hkey is None:
print "Cannot find appropriate registry key for PATH"
else:
path_list = [i for i in path_u.split(os.pathsep) if i != '']
f_change = False
for ix, item in enumerate(path_list[:]):
if item == bzr_dir:
if delete_path:
del path_list[ix]
f_change = True
elif add_path:
print "*** Bzr already in PATH"
break
else:
if add_path and not delete_path:
path_list.append(bzr_dir.decode(user_encoding))
f_change = True
if f_change:
path_u = os.pathsep.join(path_list)
if dry_run:
print "*** Registry key %s\\%s" % (hkey_str[key], subkey)
print "*** Modify PATH variable. New value:"
print path_u
else:
_winreg.SetValueEx(hkey, 'Path', 0, type_, path_u)
_winreg.FlushKey(hkey)
if not hkey is None:
_winreg.CloseKey(hkey)
if (add_path or delete_path) and winver == 'Windows 98':
# mutating autoexec.bat
# adding or delete string:
# SET PATH=%PATH%;C:\PROGRA~1\Bazaar
abat = 'C:\\autoexec.bat'
abak = 'C:\\autoexec.bak'
def backup_autoexec_bat(name, backupname, dry_run):
# backup autoexec.bat
if os.path.isfile(name):
if not dry_run:
shutil.copyfile(name, backupname)
else:
print '*** backup copy of autoexec.bat created'
GetShortPathName = ctypes.windll.kernel32.GetShortPathNameA
buf = ctypes.create_string_buffer(260)
if GetShortPathName(bzr_dir, buf, 260):
bzr_dir_8_3 = buf.value
else:
bzr_dir_8_3 = bzr_dir
pattern = 'SET PATH=%PATH%;' + bzr_dir_8_3
# search pattern
f = file(abat, 'r')
lines = f.readlines()
f.close()
found = False
for i in lines:
if i.rstrip('\r\n') == pattern:
found = True
break
if delete_path and found:
backup_autoexec_bat(abat, abak, dry_run)
if not dry_run:
f = file(abat, 'w')
for i in lines:
if i.rstrip('\r\n') != pattern:
f.write(i)
f.close()
else:
print '*** Remove line <%s> from autoexec.bat' % pattern
elif add_path and not found:
backup_autoexec_bat(abat, abak, dry_run)
if not dry_run:
f = file(abat, 'a')
f.write(pattern)
f.write('\n')
f.close()
else:
print '*** Add line <%s> to autoexec.bat' % pattern
if add_shell_menu and not delete_shell_menu:
hkey = None
try:
hkey = _winreg.CreateKey(_winreg.HKEY_CLASSES_ROOT,
r'Folder\shell\bzr')
except EnvironmentError:
if not silent:
MessageBoxA(None,
'Unable to create registry key for context menu',
'EnvironmentError',
MB_OK | MB_ICONERROR)
if not hkey is None:
_winreg.SetValue(hkey, '', _winreg.REG_SZ, 'Bzr Here')
hkey2 = _winreg.CreateKey(hkey, 'command')
_winreg.SetValue(hkey2, '', _winreg.REG_SZ,
'%s /K "%s"' % (
os.environ.get('COMSPEC', '%COMSPEC%'),
os.path.join(bzr_dir, 'start_bzr.bat')))
_winreg.CloseKey(hkey2)
_winreg.CloseKey(hkey)
if delete_shell_menu:
try:
_winreg.DeleteKey(_winreg.HKEY_CLASSES_ROOT,
r'Folder\shell\bzr\command')
except EnvironmentError:
pass
try:
_winreg.DeleteKey(_winreg.HKEY_CLASSES_ROOT,
r'Folder\shell\bzr')
except EnvironmentError:
pass
if check_mfc71:
try:
ctypes.windll.LoadLibrary('mfc71.dll')
except WindowsError:
MessageBoxA(None,
("Library MFC71.DLL is not found on your system.\n"
"This library needed for SFTP transport.\n"
"If you need to work via SFTP you should download\n"
"this library manually and put it to directory\n"
"where Bzr installed.\n"
"For detailed instructions see:\n"
"http://wiki.bazaar.canonical.com/BzrOnPureWindows"
),
"Warning",
MB_OK | MB_ICONEXCLAMATION)
return OK
if __name__ == "__main__":
sys.exit(main())
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