def touch(fpath, mode=0666):
"""Create a new file with passed *mode* in *fpath*.
If file *fpath* exists, a IOError will be raised."""
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
fd = -1
try:
fd = fcntl.open(fpath, fcntl.O_RDONLY | fcntl.O_CREAT, mode)
finally:
if fd >= 0:
unistd.close(fd)
def touch(fpath, mode=0666):
"""Create a new file with passed *mode* in *fpath*.
If file *fpath* exists, a IOError will be raised."""
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
fd = -1
try:
fd = os.open(fpath, os.O_RDONLY | os.O_CREAT, mode)
finally:
if fd >= 0:
os.close(fd)
def open(fpath, oflag, mode=0666):
"""Open a file descript for a regular file in fpath using the open mode
specifie by *oflag* with *mode*"""
oflag = int(oflag)
if oflag not in FO_MODES:
raise ValueError("unknown file open mode: %r" % oflag)
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
fopen = _FOMODE2FUNC[oflag]
fd = -1
try:
fd = fopen(fpath, mode)
fd = File(fd)
if mode in _FO_NEW_MODES and not fcheck.ino_check(int(fd)):
raise OSError("not enough free inodes")
except:
if fd > -1:
os.close(fd)
raise
return fd
def open(fpath, oflags, mode=0666):
"""Open a file descript for a regular file in fpath using the open mode
specifie by *oflag* with *mode*"""
_oflags = FOFLAGS2OFLAGS.get(int(oflags), None)
if oflags is None:
raise ValueError("unknown file open mode: %r" % oflags)
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
fd = -1
try:
fd = fcntl.open(fpath, _oflags, mode) if oflags in _FO_NEW_FLAGS \
else fcntl.open(fpath, _oflags)
if oflags in _FO_NEW_FLAGS and not fcheck.ino_check(int(fd)):
raise OSError("not enough free inodes")
fd = File(fd)
except:
if fd > -1:
unistd.close(fd)
raise
return fd
def open(fpath, oflags, mode=0666):
"""Open a file descript for a regular file in fpath using the open mode
specifie by *oflag* with *mode*"""
_oflags = FOFLAGS2OFLAGS.get(int(oflags), None)
if oflags is None:
raise ValueError("unknown file open mode: %r" % oflags)
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
fd = -1
try:
fd = fcntl.open(fpath, _oflags, mode) if oflags in _FO_NEW_FLAGS \
else fcntl.open(fpath, _oflags)
if oflags in _FO_NEW_FLAGS and not fcheck.ino_check(int(fd)):
raise OSError("not enough free inodes")
fd = File(fd)
except:
if fd > -1:
unistd.close(fd)
raise
return fd
def mkstemp(dirpath, prefix='', suffix='', unlink=1, mode=0600):
"""Creates a file in directory *dir* using *prefix* and *suffix* to
name it:
(dir)/<prefix><random_string><postfix>
Returns a couple of files (pysec.io.fd.File):
(Read_File, Write_File)
If *unlink* is true registers a unlink function at exit.
"""
dirpath = os.path.abspath(dirpath)
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
names = _get_candidate_names()
for _ in xrange(TMP_MAX):
name = names.next()
fpath = os.path.join(dirpath, '%s%s%s' % (prefix, name, suffix))
if unlink:
atexit.register(os.unlink, fpath)
fdr = fdw = -1
try:
fdr = os.open(fpath, os.O_RDONLY | os.O_CREAT | os.O_EXCL, mode)
fdw = os.open(fpath, os.O_WRONLY, mode)
_set_cloexec(fdr)
_set_cloexec(fdw)
return fd.File(fdr), fd.File(fdw)
except OSError, ex:
if fdr != -1:
os.close(fdr)
if fdw != -1:
os.close(fdw)
if ex.errno == errno.EEXIST:
continue
else:
try:
os.unlink(fpath)
except IOError:
pass
raise
except:
def mkstemp(dirpath, prefix='', suffix='', unlink=1, mode=0600):
"""Creates a file in directory *dir* using *prefix* and *suffix* to
name it:
(dir)/<prefix><random_string><postfix>
Returns a couple of files (pysec.io.fd.File):
(Read_File, Write_File)
If *unlink* is true registers a unlink function at exit.
"""
dirpath = os.path.abspath(dirpath)
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
names = _get_candidate_names()
for _ in xrange(TMP_MAX):
name = names.next()
fpath = os.path.join(dirpath, '%s%s%s' % (prefix, name, suffix))
if unlink:
atexit.register(os.unlink, fpath)
fdr = fdw = -1
try:
fdr = os.open(fpath, os.O_RDONLY | os.O_CREAT | os.O_EXCL, mode)
fdw = os.open(fpath, os.O_WRONLY, mode)
_set_cloexec(fdr)
_set_cloexec(fdw)
return fd.File(fdr), fd.File(fdw)
except OSError, ex:
if fdr != -1:
os.close(fdr)
if fdw != -1:
os.close(fdw)
if ex.errno == errno.EEXIST:
continue
else:
try:
os.unlink(fpath)
except IOError:
pass
raise
except:
def mkdtemp(dirpath, prefix='', suffix='', mode=0700):
"""Creates a directory in directory *dir* using *prefix* and *suffix* to
name it:
(dir)/<prefix><random_string><postfix>
Returns absolute path of directory.
"""
dirpath = os.path.abspath(dirpath)
names = _get_candidate_names()
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
for _ in xrange(TMP_MAX):
name = names.next()
fpath = os.path.abspath(
os.path.join(dirpath, '%s%s%s' % (prefix, name, suffix)))
try:
os.mkdir(fpath, mode)
return fpath
except OSError, ex:
if ex.errno == errno.EEXIST:
# try again
continue
raise
def mkdtemp(dirpath, prefix='', suffix='', mode=0700):
"""Creates a directory in directory *dir* using *prefix* and *suffix* to
name it:
(dir)/<prefix><random_string><postfix>
Returns absolute path of directory.
"""
dirpath = os.path.abspath(dirpath)
names = _get_candidate_names()
mode = int(mode)
if not fcheck.mode_check(mode):
raise ValueError("wrong mode: %r" % oct(mode))
for _ in xrange(TMP_MAX):
name = names.next()
fpath = os.path.abspath(os.path.join(dirpath, '%s%s%s'
% (prefix, name, suffix)))
try:
os.mkdir(fpath, mode)
return fpath
except OSError, ex:
if ex.errno == errno.EEXIST:
# try again
continue
raise
