55
89
def debug_memory_win32api(message='', short=True):
56
90
"""Use trace.note() to dump the running memory info."""
58
91
from breezy import trace
59
class PROCESS_MEMORY_COUNTERS_EX(ctypes.Structure):
60
"""Used by GetProcessMemoryInfo"""
61
_fields_ = [('cb', ctypes.c_ulong),
62
('PageFaultCount', ctypes.c_ulong),
63
('PeakWorkingSetSize', ctypes.c_size_t),
64
('WorkingSetSize', ctypes.c_size_t),
65
('QuotaPeakPagedPoolUsage', ctypes.c_size_t),
66
('QuotaPagedPoolUsage', ctypes.c_size_t),
67
('QuotaPeakNonPagedPoolUsage', ctypes.c_size_t),
68
('QuotaNonPagedPoolUsage', ctypes.c_size_t),
69
('PagefileUsage', ctypes.c_size_t),
70
('PeakPagefileUsage', ctypes.c_size_t),
71
('PrivateUsage', ctypes.c_size_t),
73
cur_process = ctypes.windll.kernel32.GetCurrentProcess()
74
mem_struct = PROCESS_MEMORY_COUNTERS_EX()
75
ret = ctypes.windll.psapi.GetProcessMemoryInfo(
76
cur_process, ctypes.byref(mem_struct), ctypes.sizeof(mem_struct))
78
trace.note(gettext('Failed to GetProcessMemoryInfo()'))
93
class PROCESS_MEMORY_COUNTERS_EX(ctypes.Structure):
94
"""Used by GetProcessMemoryInfo"""
95
_fields_ = [('cb', ctypes.c_ulong),
96
('PageFaultCount', ctypes.c_ulong),
97
('PeakWorkingSetSize', ctypes.c_size_t),
98
('WorkingSetSize', ctypes.c_size_t),
99
('QuotaPeakPagedPoolUsage', ctypes.c_size_t),
100
('QuotaPagedPoolUsage', ctypes.c_size_t),
101
('QuotaPeakNonPagedPoolUsage', ctypes.c_size_t),
102
('QuotaNonPagedPoolUsage', ctypes.c_size_t),
103
('PagefileUsage', ctypes.c_size_t),
104
('PeakPagefileUsage', ctypes.c_size_t),
105
('PrivateUsage', ctypes.c_size_t),
107
cur_process = ctypes.windll.kernel32.GetCurrentProcess()
108
mem_struct = PROCESS_MEMORY_COUNTERS_EX()
109
ret = ctypes.windll.psapi.GetProcessMemoryInfo(
110
cur_process, ctypes.byref(mem_struct), ctypes.sizeof(mem_struct))
112
trace.note(gettext('Failed to GetProcessMemoryInfo()'))
114
info = {'PageFaultCount': mem_struct.PageFaultCount,
115
'PeakWorkingSetSize': mem_struct.PeakWorkingSetSize,
116
'WorkingSetSize': mem_struct.WorkingSetSize,
117
'QuotaPeakPagedPoolUsage': mem_struct.QuotaPeakPagedPoolUsage,
118
'QuotaPagedPoolUsage': mem_struct.QuotaPagedPoolUsage,
119
'QuotaPeakNonPagedPoolUsage':
120
mem_struct.QuotaPeakNonPagedPoolUsage,
121
'QuotaNonPagedPoolUsage': mem_struct.QuotaNonPagedPoolUsage,
122
'PagefileUsage': mem_struct.PagefileUsage,
123
'PeakPagefileUsage': mem_struct.PeakPagefileUsage,
124
'PrivateUsage': mem_struct.PrivateUsage,
128
# win32process does not return PrivateUsage, because it doesn't use
129
# PROCESS_MEMORY_COUNTERS_EX (it uses the one without _EX).
130
proc = win32process.GetCurrentProcess()
131
info = win32process.GetProcessMemoryInfo(proc)
133
trace.note(gettext('Cannot debug memory on win32 without ctypes'
80
info = {'PageFaultCount': mem_struct.PageFaultCount,
81
'PeakWorkingSetSize': mem_struct.PeakWorkingSetSize,
82
'WorkingSetSize': mem_struct.WorkingSetSize,
83
'QuotaPeakPagedPoolUsage': mem_struct.QuotaPeakPagedPoolUsage,
84
'QuotaPagedPoolUsage': mem_struct.QuotaPagedPoolUsage,
85
'QuotaPeakNonPagedPoolUsage':
86
mem_struct.QuotaPeakNonPagedPoolUsage,
87
'QuotaNonPagedPoolUsage': mem_struct.QuotaNonPagedPoolUsage,
88
'PagefileUsage': mem_struct.PagefileUsage,
89
'PeakPagefileUsage': mem_struct.PeakPagefileUsage,
90
'PrivateUsage': mem_struct.PrivateUsage,
93
137
# using base-2 units (see HACKING.txt).
94
138
trace.note(gettext('WorkingSize {0:>7}KiB'
143
190
Result is always unicode (or None).
147
SHGetSpecialFolderPath = \
148
ctypes.windll.shell32.SHGetSpecialFolderPathW
149
except AttributeError:
152
buf = ctypes.create_unicode_buffer(MAX_PATH)
153
if SHGetSpecialFolderPath(None, buf, csidl, 0):
194
SHGetSpecialFolderPath = \
195
ctypes.windll.shell32.SHGetSpecialFolderPathW
196
except AttributeError:
199
buf = ctypes.create_unicode_buffer(MAX_PATH)
200
if SHGetSpecialFolderPath(None, buf, csidl, 0):
203
global has_win32com_shell
204
if has_win32com_shell is None:
206
from win32com.shell import shell
207
has_win32com_shell = True
209
has_win32com_shell = False
210
if has_win32com_shell:
211
# still need to bind the name locally, but this is fast.
212
from win32com.shell import shell
214
return shell.SHGetSpecialFolderPath(0, csidl, 0)
216
# possibly E_NOTIMPL meaning we can't load the function pointer,
217
# or E_FAIL meaning the function failed - regardless, just ignore it
157
222
def get_appdata_location():
217
282
"""Return user name as login name.
218
283
If name cannot be obtained return None.
221
advapi32 = ctypes.windll.advapi32
222
GetUserName = getattr(advapi32, 'GetUserNameW')
223
except AttributeError:
226
buf = ctypes.create_unicode_buffer(UNLEN + 1)
227
n = ctypes.c_int(UNLEN + 1)
228
if GetUserName(buf, ctypes.byref(n)):
287
advapi32 = ctypes.windll.advapi32
288
GetUserName = getattr(advapi32, 'GetUserName' + suffix)
289
except AttributeError:
292
buf = create_buffer(UNLEN + 1)
293
n = ctypes.c_int(UNLEN + 1)
294
if GetUserName(buf, ctypes.byref(n)):
295
return extract_buffer(buf)
230
296
# otherwise try env variables
231
return os.environ.get('USERNAME')
297
return get_environ_unicode('USERNAME')
234
300
# 1 == ComputerNameDnsHostname, which returns "The DNS host name of the local
243
309
:return: A unicode string representing the host name.
246
buf = ctypes.create_unicode_buffer(MAX_COMPUTERNAME_LENGTH + 1)
247
n = ctypes.c_int(MAX_COMPUTERNAME_LENGTH + 1)
249
# Try GetComputerNameEx which gives a proper Unicode hostname
250
GetComputerNameEx = getattr(
251
ctypes.windll.kernel32, 'GetComputerNameExW', None)
252
if (GetComputerNameEx is not None
253
and GetComputerNameEx(_WIN32_ComputerNameDnsHostname,
254
buf, ctypes.byref(n))):
256
return os.environ.get('COMPUTERNAME')
313
return win32api.GetComputerNameEx(_WIN32_ComputerNameDnsHostname)
314
except (NotImplementedError, win32api.error):
315
# NotImplemented will happen on win9x...
319
kernel32 = ctypes.windll.kernel32
320
except AttributeError:
321
pass # Missing the module we need
323
buf = create_buffer(MAX_COMPUTERNAME_LENGTH + 1)
324
n = ctypes.c_int(MAX_COMPUTERNAME_LENGTH + 1)
326
# Try GetComputerNameEx which gives a proper Unicode hostname
327
GetComputerNameEx = getattr(kernel32, 'GetComputerNameEx' + suffix,
329
if (GetComputerNameEx is not None
330
and GetComputerNameEx(_WIN32_ComputerNameDnsHostname,
331
buf, ctypes.byref(n))):
332
return extract_buffer(buf)
334
# Try GetComputerName in case GetComputerNameEx wasn't found
335
# It returns the NETBIOS name, which isn't as good, but still ok.
336
# The first GetComputerNameEx might have changed 'n', so reset it
337
n = ctypes.c_int(MAX_COMPUTERNAME_LENGTH + 1)
338
GetComputerName = getattr(kernel32, 'GetComputerName' + suffix,
340
if (GetComputerName is not None
341
and GetComputerName(buf, ctypes.byref(n))):
342
return extract_buffer(buf)
343
return get_environ_unicode('COMPUTERNAME')
259
346
def _ensure_with_dir(path):
344
431
if type_id == REG_SZ:
433
if type_id == REG_EXPAND_SZ and has_win32api:
434
fullpath = win32api.ExpandEnvironmentStrings(path)
435
if len(fullpath) > 1 and fullpath[0] == '"' and fullpath[-1] == '"':
436
fullpath = fullpath[1:-1] # remove quotes around value
349
441
def set_file_attr_hidden(path):
350
442
"""Set file attributes to hidden if possible"""
351
from ctypes.wintypes import BOOL, DWORD, LPWSTR
353
# <https://docs.microsoft.com/windows/desktop/api/fileapi/nf-fileapi-setfileattributesw>
354
SetFileAttributes = ctypes.windll.kernel32.SetFileAttributesW
355
SetFileAttributes.argtypes = LPWSTR, DWORD
356
SetFileAttributes.restype = BOOL
357
FILE_ATTRIBUTE_HIDDEN = 2
358
if not SetFileAttributes(path, FILE_ATTRIBUTE_HIDDEN):
359
e = ctypes.WinError()
361
trace.mutter('Unable to set hidden attribute on %r: %s', path, e)
444
SetFileAttributes = win32file.SetFileAttributesW
446
SetFileAttributes(path, win32file.FILE_ATTRIBUTE_HIDDEN)
447
except pywintypes.error as e:
449
trace.mutter('Unable to set hidden attribute on %r: %s', path, e)
364
452
def _command_line_to_argv(command_line, argv, single_quotes_allowed=False):
406
def _ctypes_is_local_pid_dead(pid):
408
kernel32 = ctypes.wintypes.windll.kernel32
409
"""True if pid doesn't correspond to live process on this machine"""
410
handle = kernel32.OpenProcess(1, False, pid)
412
errorcode = ctypes.GetLastError()
413
if errorcode == 5: # ERROR_ACCESS_DENIED
414
# Probably something alive we're not allowed to kill
416
elif errorcode == 87: # ERROR_INVALID_PARAMETER
418
raise ctypes.WinError(errorcode)
419
Kernel32.CloseHandle(handle)
495
def get_unicode_argv():
496
prototype = ctypes.WINFUNCTYPE(ctypes.c_wchar_p)
497
GetCommandLineW = prototype(("GetCommandLineW",
498
ctypes.windll.kernel32))
499
command_line = GetCommandLineW()
500
if command_line is None:
501
raise ctypes.WinError()
502
# Skip the first argument, since we only care about parameters
503
argv = _command_line_to_argv(command_line, sys.argv)[1:]
506
def get_environ_unicode(key, default=None):
507
"""Get `key` from environment as unicode or `default` if unset
509
The environment is natively unicode on modern windows versions but
510
Python 2 only accesses it through the legacy bytestring api.
512
Environmental variable names are case insenstive on Windows.
514
A large enough buffer will be allocated to retrieve the value, though
515
it may take two calls to the underlying library function.
517
This needs ctypes because pywin32 does not expose the wide version.
519
cfunc = getattr(get_environ_unicode, "_c_function", None)
521
from ctypes.wintypes import DWORD, LPCWSTR, LPWSTR
522
cfunc = ctypes.WINFUNCTYPE(DWORD, LPCWSTR, LPWSTR, DWORD)(
523
("GetEnvironmentVariableW", ctypes.windll.kernel32))
524
get_environ_unicode._c_function = cfunc
525
buffer_size = 256 # heuristic, 256 characters often enough
527
buffer = ctypes.create_unicode_buffer(buffer_size)
528
length = cfunc(key, buffer, buffer_size)
530
code = ctypes.GetLastError()
531
if code == 203: # ERROR_ENVVAR_NOT_FOUND
533
raise ctypes.WinError(code)
534
if buffer_size > length:
535
return buffer[:length]
540
def _pywin32_is_local_pid_dead(pid):
541
"""True if pid doesn't correspond to live process on this machine"""
543
handle = win32api.OpenProcess(1, False, pid) # PROCESS_TERMINATE
544
except pywintypes.error as e:
545
if e[0] == 5: # ERROR_ACCESS_DENIED
546
# Probably something alive we're not allowed to kill
548
elif e[0] == 87: # ERROR_INVALID_PARAMETER
553
is_local_pid_dead = _pywin32_is_local_pid_dead
554
elif has_ctypes and sys.platform == 'win32':
555
from ctypes.wintypes import BOOL, DWORD, HANDLE
556
_kernel32 = ctypes.windll.kernel32
557
_CloseHandle = ctypes.WINFUNCTYPE(BOOL, HANDLE)(
558
("CloseHandle", _kernel32))
559
_OpenProcess = ctypes.WINFUNCTYPE(HANDLE, DWORD, BOOL, DWORD)(
560
("OpenProcess", _kernel32))
562
def _ctypes_is_local_pid_dead(pid):
563
"""True if pid doesn't correspond to live process on this machine"""
564
handle = _OpenProcess(1, False, pid) # PROCESS_TERMINATE
566
errorcode = ctypes.GetLastError()
567
if errorcode == 5: # ERROR_ACCESS_DENIED
568
# Probably something alive we're not allowed to kill
570
elif errorcode == 87: # ERROR_INVALID_PARAMETER
572
raise ctypes.WinError(errorcode)
575
is_local_pid_dead = _ctypes_is_local_pid_dead
578
def _is_pywintypes_error(evalue):
579
"""True if exception instance is an error from pywin32"""
580
if has_pywintypes and isinstance(evalue, pywintypes.error):
422
is_local_pid_dead = _ctypes_is_local_pid_dead