def test_is_valid_fd(self):
assert rposix.is_valid_fd(0) == 1
fid = open(str(udir.join('validate_test.txt')), 'w')
fd = fid.fileno()
assert rposix.is_valid_fd(fd) == 1
fid.close()
assert rposix.is_valid_fd(fd) == 0
def test_is_valid_fd(self):
assert rposix.is_valid_fd(0) == 1
fid = open(str(udir.join('validate_test.txt')), 'w')
fd = fid.fileno()
assert rposix.is_valid_fd(fd) == 1
fid.close()
assert rposix.is_valid_fd(fd) == 0
def test_is_valid_fd(self):
if os.name != 'nt':
py.test.skip('relevant for windows only')
assert rposix.is_valid_fd(0) == 1
fid = open(str(udir.join('validate_test.txt')), 'w')
fd = fid.fileno()
assert rposix.is_valid_fd(fd) == 1
fid.close()
assert rposix.is_valid_fd(fd) == 0
def test_is_valid_fd(self):
if os.name != 'nt':
py.test.skip('relevant for windows only')
assert rposix.is_valid_fd(0) == 1
fid = open(str(udir.join('validate_test.txt')), 'w')
fd = fid.fileno()
assert rposix.is_valid_fd(fd) == 1
fid.close()
assert rposix.is_valid_fd(fd) == 0
def device_encoding(space, fd):
"""device_encoding(fd) -> str
Return a string describing the encoding of the device if the output
is a terminal; else return None.
"""
if not (rposix.is_valid_fd(fd) and os.isatty(fd)):
return space.w_None
if _WIN32:
if fd == 0:
return space.wrap('cp%d' % rwin32.GetConsoleCP())
if fd in (1, 2):
return space.wrap('cp%d' % rwin32.GetConsoleOutputCP())
from rpython.rlib import rlocale
if rlocale.HAVE_LANGINFO:
codeset = rlocale.nl_langinfo(rlocale.CODESET)
if codeset:
return space.wrap(codeset)
return space.w_None
def device_encoding(space, fd):
"""device_encoding(fd) -> str
Return a string describing the encoding of the device if the output
is a terminal; else return None.
"""
if not (rposix.is_valid_fd(fd) and os.isatty(fd)):
return space.w_None
if _WIN32:
if fd == 0:
return space.wrap('cp%d' % rwin32.GetConsoleCP())
if fd in (1, 2):
return space.wrap('cp%d' % rwin32.GetConsoleOutputCP())
from rpython.rlib import rlocale
if rlocale.HAVE_LANGINFO:
codeset = rlocale.nl_langinfo(rlocale.CODESET)
if codeset:
return space.wrap(codeset)
return space.w_None
def get_fileno_and_file(self, w_file):
space = self.space
if space.is_none(w_file):
w_file = space.sys.get('stderr')
if space.is_none(w_file):
raise oefmt(space.w_RuntimeError, "sys.stderr is None")
elif space.isinstance_w(w_file, space.w_int):
fd = space.c_int_w(w_file)
if fd < 0 or not is_valid_fd(fd):
raise oefmt(space.w_ValueError,
"file is not a valid file descriptor")
return fd, None
fd = space.c_int_w(space.call_method(w_file, 'fileno'))
try:
space.call_method(w_file, 'flush')
except OperationError as e:
if e. async (space):
raise
pass # ignore flush() error
def get_fileno_and_file(self, w_file):
space = self.space
if space.is_none(w_file):
w_file = space.sys.get('stderr')
if space.is_none(w_file):
raise oefmt(space.w_RuntimeError, "sys.stderr is None")
elif space.isinstance_w(w_file, space.w_int):
fd = space.c_int_w(w_file)
if fd < 0 or not is_valid_fd(fd):
raise oefmt(space.w_ValueError,
"file is not a valid file descriptor")
return fd, None
fd = space.c_int_w(space.call_method(w_file, 'fileno'))
try:
space.call_method(w_file, 'flush')
except OperationError as e:
if e.async(space):
raise
pass # ignore flush() error
def _setfd_binary(fd):
#Allow this to succeed on invalid fd's
if rposix.is_valid_fd(fd):
_setmode(fd, os.O_BINARY)
def _setfd_binary(fd):
# Allow this to succeed on invalid fd's
if rposix.is_valid_fd(fd):
_setmode(fd, os.O_BINARY)
def fclose(fp):
if not is_valid_fd(fileno(fp)):
return -1
return _fclose(fp)
def fclose(fp):
if not is_valid_fd(fileno(fp)):
return -1
return _fclose(fp)
def is_valid_fp(fp):
return is_valid_fd(fileno(fp))
