+++ /dev/null
-from distutils.errors import DistutilsSetupError
-from setuptools import Command
-import sys
-
-class scriptsetup(Command):
- action = (sys.platform == "win32"
- and "set up .pyscript association and PATHEXT variable to run scripts"
- or "this does nothing on non-Windows platforms")
-
- user_options = [
- ('allusers', 'a',
- 'make changes for all users of this Windows installation (requires Administrator privileges)'),
- ]
- boolean_options = ['allusers']
-
- def initialize_options(self):
- self.allusers = False
-
- def finalize_options(self):
- pass
-
- def run(self):
- if sys.platform != "win32":
- print "\n'scriptsetup' isn't needed on non-Windows platforms."
- else:
- do_scriptsetup(self.allusers)
-
-
-def do_scriptsetup(allusers=False):
- print "\nSetting up environment to run scripts for %s..." % (allusers and "all users" or "the current user")
-
- from _winreg import HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, HKEY_CLASSES_ROOT, \
- REG_SZ, REG_EXPAND_SZ, KEY_QUERY_VALUE, KEY_SET_VALUE, \
- OpenKey, CreateKey, QueryValueEx, SetValueEx, FlushKey, CloseKey
-
- USER_ENV = "Environment"
- try:
- user_env = OpenKey(HKEY_CURRENT_USER, USER_ENV, 0, KEY_QUERY_VALUE)
- except WindowsError, e:
- raise DistutilsSetupError("I could not read the user environment from the registry.\n%r" % (e,))
-
- SYSTEM_ENV = "SYSTEM\\CurrentControlSet\\Control\\Session Manager\\Environment"
- try:
- system_env = OpenKey(HKEY_LOCAL_MACHINE, SYSTEM_ENV, 0, KEY_QUERY_VALUE)
- except WindowsError, e:
- raise DistutilsSetupError("I could not read the system environment from the registry.\n%r" % (e,))
-
-
- # HKEY_CLASSES_ROOT is a merged view that would only confuse us.
- # <http://technet.microsoft.com/en-us/library/cc739822(WS.10).aspx>
-
- USER_CLASSES = "SOFTWARE\\Classes"
- try:
- user_classes = OpenKey(HKEY_CURRENT_USER, USER_CLASSES, 0, KEY_QUERY_VALUE)
- except WindowsError, e:
- raise DistutilsSetupError("I could not read the user filetype associations from the registry.\n%r" % (e,))
-
- SYSTEM_CLASSES = "SOFTWARE\\Classes"
- try:
- system_classes = OpenKey(HKEY_LOCAL_MACHINE, SYSTEM_CLASSES, 0, KEY_QUERY_VALUE)
- except WindowsError, e:
- raise DistutilsSetupError("I could not read the system filetype associations from the registry.\n%r" % (e,))
-
-
- def query(key, subkey, what):
- try:
- (value, type) = QueryValueEx(key, subkey)
- except WindowsError, e:
- if e.winerror == 2: # not found
- return None
- raise DistutilsSetupError("I could not read %s from the registry.\n%r" % (what, e))
-
- # It does not matter that we don't expand environment strings, in fact it's better not to.
-
- if type != REG_SZ and type != REG_EXPAND_SZ:
- raise DistutilsSetupError("I expected the registry entry for %s to have a string type (REG_SZ or REG_EXPAND_SZ), "
- "and was flummoxed by it having type code %r." % (what, type))
- return (value, type)
-
-
- def open_and_query(key, path, subkey, what):
- try:
- read_key = OpenKey(key, path, 0, KEY_QUERY_VALUE)
- except WindowsError, e:
- if e.winerror == 2: # not found
- return None
- raise DistutilsSetupError("I could not read %s from the registry because I could not open "
- "the parent key.\n%r" % (what, e))
-
- try:
- return query(read_key, subkey, what)
- finally:
- CloseKey(read_key)
-
-
- def update(key_name_path, subkey, desired_value, desired_type, goal, what):
- (key, name, path) = key_name_path
-
- (old_value, old_type) = open_and_query(key, path, subkey, what) or (None, None)
- if (old_value, old_type) == (desired_value, desired_type):
- print "Already done: %s." % (goal,)
- return False
-
- try:
- update_key = OpenKey(key, path, 0, KEY_SET_VALUE|KEY_QUERY_VALUE)
- except WindowsError, e:
- if e.winerror != 2:
- raise DistutilsSetupError("I tried to %s, but was not successful because I could not open "
- "the registry key %s\\%s for writing.\n%r"
- % (goal, name, path, e))
- try:
- update_key = CreateKey(key, path)
- except WindowsError, e:
- raise DistutilsSetupError("I tried to %s, but was not successful because the registry key %s\\%s "
- "did not exist, and I was unable to create it.\n%r"
- % (goal, name, path, e))
-
- (new_value, new_type) = (None, None)
- try:
- SetValueEx(update_key, subkey, 0, desired_type, desired_value)
- except WindowsError, e:
- raise DistutilsSetupError("I tried to %s, but was not able to set the subkey %r under %s\\%s to be %r.\n%r"
- % (goal, subkey, name, path, desired_value))
- else:
- (new_value, new_type) = query(update_key, subkey, what) or (None, None)
- finally:
- FlushKey(update_key)
- CloseKey(update_key)
-
- if (new_value, new_type) != (desired_value, desired_type):
- raise DistutilsSetupError("I tried to %s by setting the subkey %r under %s\\%s to be %r, "
- "and the call to SetValueEx succeeded, but the value ended up as "
- "%r instead (it was previously %r). Maybe the update was unexpectedly virtualized?"
- % (goal, subkey, name, path, desired_value, new_value, old_value))
-
- print "Done: %s." % (goal,)
- return True
-
-
- # Maintenance hazard: 'add_to_environment' and 'associate' use very similar, but not identical logic.
-
- def add_to_environment(varname, addition, change_allusers):
- changed = False
- what = "the %s environment variable %s" % (change_allusers and "system" or "user", varname)
- goal = "add %s to %s" % (addition, what)
-
- system_valueandtype = query(system_env, varname, "the system environment variable %s" % (varname,))
- user_valueandtype = query(user_env, varname, "the user environment variable %s" % (varname,))
-
- if change_allusers:
- (value, type) = system_valueandtype or (u'', REG_SZ)
- key_name_path = (HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE", SYSTEM_ENV)
- else:
- (value, type) = user_valueandtype or system_valueandtype or (u'', REG_SZ)
- key_name_path = (HKEY_CURRENT_USER, "HKEY_CURRENT_USER", USER_ENV)
-
- if addition.lower() in value.lower().split(u';'):
- print "Already done: %s." % (goal,)
- else:
- changed |= update(key_name_path, varname, value + u';' + addition, type, goal, what)
-
- if change_allusers:
- # Also change any overriding environment entry for the current user.
- (user_value, user_type) = user_valueandtype or (u'', REG_SZ)
- split_value = user_value.lower().split(u';')
-
- if not (addition.lower() in split_value or u'%'+varname.lower()+u'%' in split_value):
- now_what = "the overriding user environment variable %s" % (varname,)
- changed |= update((HKEY_CURRENT_USER, "HKEY_CURRENT_USER", USER_ENV),
- varname, user_value + u';' + addition, user_type,
- "add %s to %s" % (addition, now_what), now_what)
-
- return changed
-
-
- def associate(ext, target, change_allusers):
- changed = False
- what = "the %s association for %s" % (change_allusers and "system" or "user", ext)
- goal = "associate the filetype %s with %s for %s" % (ext, target, change_allusers and "all users" or "the current user")
-
- try:
- if change_allusers:
- target_key = OpenKey(HKEY_LOCAL_MACHINE, "%s\\%s" % (SYSTEM_CLASSES, target), 0, KEY_QUERY_VALUE)
- else:
- target_key = OpenKey(HKEY_CLASSES_ROOT, target, 0, KEY_QUERY_VALUE)
- except WindowsError, e:
- raise DistutilsSetupError("I was going to %s, but that won't work because the %s class does not exist in the registry, "
- "as far as I can tell.\n%r" % (goal, target, e))
- CloseKey(target_key)
-
- system_key_name_path = (HKEY_LOCAL_MACHINE, "HKEY_LOCAL_MACHINE", "%s\\%s" % (SYSTEM_CLASSES, ext))
- user_key_name_path = (HKEY_CURRENT_USER, "HKEY_CURRENT_USER", "%s\\%s" % (USER_CLASSES, ext))
-
- system_valueandtype = open_and_query(system_classes, ext, "", "the system association for %s" % (ext,))
- user_valueandtype = open_and_query(user_classes, ext, "", "the user association for %s" % (ext,))
-
- if change_allusers:
- (value, type) = system_valueandtype or (u'', REG_SZ)
- key_name_path = system_key_name_path
- else:
- (value, type) = user_valueandtype or system_valueandtype or (u'', REG_SZ)
- key_name_path = user_key_name_path
-
- if value == target:
- print "Already done: %s." % (goal,)
- else:
- changed |= update(key_name_path, "", unicode(target), REG_SZ, goal, what)
-
- if change_allusers:
- # Also change any overriding association for the current user.
- (user_value, user_type) = user_valueandtype or (u'', REG_SZ)
-
- if user_value != target:
- changed |= update(user_key_name_path, "", unicode(target), REG_SZ,
- "associate the filetype %s with %s for the current user " \
- "(because the system association is overridden)" % (ext, target),
- "the overriding user association for %s" % (ext,))
-
- return changed
-
-
- def broadcast_settingchange(change_allusers):
- print "Broadcasting that the environment has changed, please wait..."
-
- # <http://support.microsoft.com/kb/104011/en-us>
- # <http://msdn.microsoft.com/en-us/library/ms644952(VS.85).aspx>
- # LRESULT WINAPI SendMessageTimeoutW(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam,
- # UINT fuFlags, UINT uTimeout, PDWORD_PTR lpdwResult);
-
- try:
- from ctypes import WINFUNCTYPE, POINTER, windll, addressof, c_wchar_p
- from ctypes.wintypes import LONG, HWND, UINT, WPARAM, LPARAM, DWORD
-
- SendMessageTimeout = WINFUNCTYPE(POINTER(LONG), HWND, UINT, WPARAM, LPARAM, UINT, UINT, POINTER(POINTER(DWORD))) \
- (("SendMessageTimeoutW", windll.user32))
- HWND_BROADCAST = 0xFFFF
- WM_SETTINGCHANGE = 0x001A
- SMTO_ABORTIFHUNG = 0x0002
- SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, change_allusers and 1 or 0,
- addressof(c_wchar_p(u"Environment")), SMTO_ABORTIFHUNG, 5000, None);
- except Exception, e:
- print "Warning: %r" % (e,)
-
-
- changed_assoc = associate(".pyscript", "Python.File", allusers)
-
- changed_env = False
- try:
- changed_env |= add_to_environment("PATHEXT", ".pyscript", allusers)
- changed_env |= add_to_environment("PATHEXT", ".pyw", allusers)
- finally:
- CloseKey(user_env)
- CloseKey(system_env)
-
- if changed_assoc or changed_env:
- broadcast_settingchange(allusers)
-
- if changed_env:
- # whether logout is needed seems to randomly differ between installations
- # of XP, but it is not needed in Vista or later.
- try:
- import platform, re
- need_logout = not re.search(r'^[6-9]|([1-9][0-9]+)\.', platform.version())
- except Exception, e:
- e # hush pyflakes
- need_logout = True
-
- if need_logout:
- print """
-***********************************************************************
-Changes have been made to the persistent environment, but they may not
-take effect in this Windows session. Running installed Python scripts
-from a Command Prompt may only work after you have logged out and back
-in again, or rebooted.
-***********************************************************************
-"""
- else:
- print """
-***********************************************************************
-Changes have been made to the persistent environment, but not in this
-Command Prompt. Running installed Python scripts will only work from
-new Command Prompts opened from now on.
-***********************************************************************
-"""
projects / tahoe-lafs / zfec.git / blobdiff