def make_file_dict_python(filename):
"""Create the data dictionary using a Python call to os.lstat
We do this on Windows since Python's implementation is much better
than the one in cmodule.c Eventually, we will move to using
this on all platforms since CPUs have gotten much faster than
they were when it was necessary to write cmodule.c
"""
try:
statblock = os.lstat(filename)
except os.error:
return {'type':None}
data = {}
mode = statblock[stat.ST_MODE]
if stat.S_ISREG(mode): type_ = 'reg'
elif stat.S_ISDIR(mode): type_ = 'dir'
elif stat.S_ISCHR(mode):
type_ = 'dev'
s = statblock.st_rdev
data['devnums'] = ('c',) + (s >> 8, s & 0xff)
elif stat.S_ISBLK(mode):
type_ = 'dev'
s = statblock.st_rdev
data['devnums'] = ('b',) + (s >> 8, s & 0xff)
elif stat.S_ISFIFO(mode): type_ = 'fifo'
elif stat.S_ISLNK(mode):
type_ = 'sym'
data['linkname'] = os.readlink(filename)
elif stat.S_ISSOCK(mode): type_ = 'sock'
else: raise C.UnknownFileError(filename)
data['type'] = type_
data['size'] = statblock[stat.ST_SIZE]
data['perms'] = stat.S_IMODE(mode)
data['uid'] = statblock[stat.ST_UID]
data['gid'] = statblock[stat.ST_GID]
data['inode'] = statblock[stat.ST_INO]
data['devloc'] = statblock[stat.ST_DEV]
data['nlink'] = statblock[stat.ST_NLINK]
if os.name == 'nt':
global type
if type(filename) == unicode:
attribs = win32file.GetFileAttributesW(filename)
else:
attribs = win32file.GetFileAttributes(filename)
if attribs & winnt.FILE_ATTRIBUTE_REPARSE_POINT:
data['type'] = 'sym'
data['linkname'] = None
if not (type_ == 'sym' or type_ == 'dev'):
# mtimes on symlinks and dev files don't work consistently
data['mtime'] = long(statblock[stat.ST_MTIME])
data['atime'] = long(statblock[stat.ST_ATIME])
data['ctime'] = long(statblock[stat.ST_CTIME])
return data
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