def __init__(self, fileobj, name=None, onclose=None, mapped=True,
gzip=False):
if gzip:
fileobj = GzipFile(fileobj=fileobj)
self.file = fileobj
self._name = name
self.onclose = onclose
self.is_closed = False
for attr in ("read", "readline", "write", "tell", "seek", "truncate"):
if hasattr(fileobj, attr):
setattr(self, attr, getattr(fileobj, attr))
# If mapped is True, set the 'map' attribute to a memory-mapped
# representation of the file. Otherwise, the fake 'map' that set up by
# the base class will be used.
if not gzip and mapped and hasattr(fileobj, "mode") and "r" in fileobj.mode:
fd = fileobj.fileno()
self.size = os.fstat(fd).st_size
if self.size > 0:
import mmap
try:
self.map = mmap.mmap(fd, self.size, access=mmap.ACCESS_READ)
except OSError:
self._setup_fake_map()
else:
self._setup_fake_map()
self.is_real = not gzip and hasattr(fileobj, "fileno")
def __init__(self, fileobj, name=None, onclose=None, mapped=True,
gzip=False):
if gzip:
fileobj = GzipFile(fileobj=fileobj)
self.file = fileobj
self._name = name
self.onclose = onclose
self.is_closed = False
for attr in ("read", "readline", "write", "tell", "seek", "truncate"):
if hasattr(fileobj, attr):
setattr(self, attr, getattr(fileobj, attr))
self.is_real = not gzip and hasattr(fileobj, "fileno")
# If mapped is True, set the 'map' attribute to a memory-mapped
# representation of the file. Otherwise, the fake 'map' that set up by
# the base class will be used.
if (mapped and self.is_real
and hasattr(fileobj, "mode") and "r" in fileobj.mode):
fd = fileobj.fileno()
self.size = os.fstat(fd).st_size
if self.size > 0:
import mmap
try:
self.map = mmap.mmap(fd, self.size,
access=mmap.ACCESS_READ)
except OSError:
self._setup_fake_map()
else:
self._setup_fake_map()
