def QueryInfoKey(space, w_hkey):
"""tuple = QueryInfoKey(key) - Returns information about a key.
key is an already open key, or any one of the predefined HKEY_* constants.
The result is a tuple of 3 items:
An integer that identifies the number of sub keys this key has.
An integer that identifies the number of values this key has.
A long integer that identifies when the key was last modified (if available)
as 100's of nanoseconds since Jan 1, 1600."""
hkey = hkey_w(w_hkey, space)
with lltype.scoped_alloc(rwin32.LPDWORD.TO, 1) as nSubKeys:
with lltype.scoped_alloc(rwin32.LPDWORD.TO, 1) as nValues:
with lltype.scoped_alloc(rwin32.PFILETIME.TO, 1) as ft:
null_dword = lltype.nullptr(rwin32.LPDWORD.TO)
ret = rwinreg.RegQueryInfoKey(
hkey, None, null_dword, null_dword,
nSubKeys, null_dword, null_dword,
nValues, null_dword, null_dword,
null_dword, ft)
if ret != 0:
raiseWindowsError(space, ret, 'RegQueryInfoKey')
l = ((lltype.r_longlong(ft[0].c_dwHighDateTime) << 32) +
lltype.r_longlong(ft[0].c_dwLowDateTime))
return space.newtuple([space.wrap(nSubKeys[0]),
space.wrap(nValues[0]),
space.wrap(l)])
def time_t_to_FILE_TIME(time, filetime):
ft = lltype.r_longlong((time + secs_between_epochs) * 10000000)
filetime.c_dwHighDateTime = lltype.r_uint(ft >> 32)
filetime.c_dwLowDateTime = lltype.r_uint(ft & ((1 << 32) - 1))
def make_longlong(high, low):
return (lltype.r_longlong(high) << 32) + lltype.r_longlong(low)
m = 0
if attributes & FILE_ATTRIBUTE_DIRECTORY:
m |= _S_IFDIR | 0111 # IFEXEC for user,group,other
else:
m |= _S_IFREG
if attributes & FILE_ATTRIBUTE_READONLY:
m |= 0444
else:
m |= 0666
return m
def make_longlong(high, low):
return (lltype.r_longlong(high) << 32) + lltype.r_longlong(low)
# Seconds between 1.1.1601 and 1.1.1970
secs_between_epochs = lltype.r_longlong(11644473600)
def FILE_TIME_to_time_t_nsec(filetime):
ft = make_longlong(filetime.c_dwHighDateTime, filetime.c_dwLowDateTime)
# FILETIME is in units of 100 nsec
nsec = (ft % 10000000) * 100
time = (ft / 10000000) - secs_between_epochs
return time, nsec
def time_t_to_FILE_TIME(time, filetime):
ft = lltype.r_longlong((time + secs_between_epochs) * 10000000)
filetime.c_dwHighDateTime = lltype.r_uint(ft >> 32)
filetime.c_dwLowDateTime = lltype.r_uint(ft & ((1 << 32) - 1))
def attribute_data_to_stat(info):
st_mode = attributes_to_mode(info.c_dwFileAttributes)
def time_t_to_FILE_TIME(time, filetime):
ft = lltype.r_longlong((time + secs_between_epochs) * 10000000)
filetime.c_dwHighDateTime = lltype.r_uint(ft >> 32)
filetime.c_dwLowDateTime = lltype.r_uint(ft & ((1 << 32) - 1))
def make_longlong(high, low):
return (lltype.r_longlong(high) << 32) + lltype.r_longlong(low)
m = 0
if attributes & FILE_ATTRIBUTE_DIRECTORY:
m |= _S_IFDIR | 0111 # IFEXEC for user,group,other
else:
m |= _S_IFREG
if attributes & FILE_ATTRIBUTE_READONLY:
m |= 0444
else:
m |= 0666
return m
def make_longlong(high, low):
return (lltype.r_longlong(high) << 32) + lltype.r_longlong(low)
# Seconds between 1.1.1601 and 1.1.1970
secs_between_epochs = lltype.r_longlong(11644473600)
def FILE_TIME_to_time_t_nsec(filetime):
ft = make_longlong(filetime.c_dwHighDateTime, filetime.c_dwLowDateTime)
# FILETIME is in units of 100 nsec
nsec = (ft % 10000000) * 100
time = (ft / 10000000) - secs_between_epochs
return time, nsec
def time_t_to_FILE_TIME(time, filetime):
ft = lltype.r_longlong((time + secs_between_epochs) * 10000000)
filetime.c_dwHighDateTime = lltype.r_uint(ft >> 32)
filetime.c_dwLowDateTime = lltype.r_uint(ft & ((1 << 32) - 1))
def attribute_data_to_stat(info):
st_mode = attributes_to_mode(info.c_dwFileAttributes)
