def test_read_modified_cached_file(self):
self.mox.StubOutWithMock(os.path, "getmtime")
self.mox.StubOutWithMock(builtins, 'open')
os.path.getmtime(mox.IgnoreArg()).AndReturn(2)
fake_contents = "lorem ipsum"
fake_file = self.mox.CreateMockAnything()
fake_file.read().AndReturn(fake_contents)
fake_context_manager = self.mox.CreateMockAnything()
fake_context_manager.__enter__().AndReturn(fake_file)
fake_context_manager.__exit__(mox.IgnoreArg(),
mox.IgnoreArg(),
mox.IgnoreArg())
builtins.open(mox.IgnoreArg()).AndReturn(
fake_context_manager)
self.mox.ReplayAll()
fileutils._FILE_CACHE = {
'/this/is/a/fake': {"data": 1123, "mtime": 1}
}
fresh, data = fileutils.read_cached_file("/this/is/a/fake")
self.assertEqual(data, fake_contents)
self.assertTrue(fresh)
def test_read_modified_cached_file(self):
self.mox.StubOutWithMock(os.path, "getmtime")
self.mox.StubOutWithMock(builtins, 'open')
os.path.getmtime(mox.IgnoreArg()).AndReturn(2)
fake_contents = "lorem ipsum"
fake_file = self.mox.CreateMockAnything()
fake_file.read().AndReturn(fake_contents)
fake_context_manager = mock.Mock()
fake_context_manager.__enter__ = mock.Mock(return_value=fake_file)
fake_context_manager.__exit__ = mock.Mock(return_value=False)
builtins.open(mox.IgnoreArg()).AndReturn(fake_context_manager)
self.mox.ReplayAll()
cache_data = {"data": 1123, "mtime": 1}
self.reload_called = False
def test_reload(reloaded_data):
self.assertEqual(reloaded_data, fake_contents)
self.reload_called = True
data = utils.read_cached_file("/this/is/a/fake", cache_data,
reload_func=test_reload)
self.assertEqual(data, fake_contents)
self.assertTrue(self.reload_called)
def test_read_modified_cached_file(self):
self.mox.StubOutWithMock(os.path, "getmtime")
self.mox.StubOutWithMock(__builtin__, 'open')
os.path.getmtime(mox.IgnoreArg()).AndReturn(2)
fake_contents = "lorem ipsum"
fake_file = self.mox.CreateMockAnything()
fake_file.read().AndReturn(fake_contents)
fake_context_manager = self.mox.CreateMockAnything()
fake_context_manager.__enter__().AndReturn(fake_file)
fake_context_manager.__exit__(mox.IgnoreArg(),
mox.IgnoreArg(),
mox.IgnoreArg())
__builtin__.open(mox.IgnoreArg()).AndReturn(fake_context_manager)
self.mox.ReplayAll()
cache_data = {"data": 1123, "mtime": 1}
self.reload_called = False
def test_reload(reloaded_data):
self.assertEqual(reloaded_data, fake_contents)
self.reload_called = True
data = utils.read_cached_file(
"/this/is/a/fake", cache_data, reload_func=test_reload)
self.assertEqual(data, fake_contents)
self.assertTrue(self.reload_called)
def update_config(self):
"""
Update the configuration files according to the current
in-memory SExtractor configuration.
"""
# -- Write filter configuration file
# First check the filter itself
filter = self.config['FILTER_MASK']
rows = len(filter)
cols = len(filter[0]) # May raise ValueError, OK
filter_f = __builtin__.open(self.config['FILTER_NAME'], 'w')
filter_f.write("CONV NORM\n")
filter_f.write("# %dx%d Generated from sextractor.py module.\n" %
(rows, cols))
for row in filter:
filter_f.write(" ".join(map(repr, row)))
filter_f.write("\n")
filter_f.close()
# -- Write parameter list file
parameters_f = __builtin__.open(self.config['PARAMETERS_NAME'], 'w')
for parameter in self.config['PARAMETERS_LIST']:
print(parameter, file=parameters_f)
parameters_f.close()
# -- Write NNW configuration file
nnw_f = __builtin__.open(self.config['STARNNW_NAME'], 'w')
nnw_f.write(nnw_config)
nnw_f.close()
# -- Write main configuration file
main_f = __builtin__.open(self.config['CONFIG_FILE'], 'w')
for key in self.config.keys():
if (key in SExtractor._SE_config_special_keys):
continue
if (key == "PHOT_AUTOPARAMS"): # tuple instead of a single value
value = " ".join(map(str, self.config[key]))
else:
value = str(self.config[key])
print(("%-16s %-16s # %s" %
(key, value, SExtractor._SE_config[key]['comment'])),
file=main_f)
main_f.close()
def update_config(self):
"""
Update the configuration files according to the current
in-memory SExtractor configuration.
"""
# -- Write filter configuration file
# First check the filter itself
filter = self.config['FILTER_MASK']
rows = len(filter)
cols = len(filter[0]) # May raise ValueError, OK
filter_f = __builtin__.open(self.config['FILTER_NAME'], 'w')
filter_f.write("CONV NORM\n")
filter_f.write("# %dx%d Generated from sextractor.py module.\n" %
(rows, cols))
for row in filter:
filter_f.write(" ".join(map(repr, row)))
filter_f.write("\n")
filter_f.close()
# -- Write parameter list file
parameters_f = __builtin__.open(self.config['PARAMETERS_NAME'], 'w')
for parameter in self.config['PARAMETERS_LIST']:
print(parameter, file=parameters_f)
parameters_f.close()
# -- Write NNW configuration file
nnw_f = __builtin__.open(self.config['STARNNW_NAME'], 'w')
nnw_f.write(nnw_config)
nnw_f.close()
# -- Write main configuration file
main_f = __builtin__.open(self.config['CONFIG_FILE'], 'w')
for key in self.config.keys():
if (key in SExtractor._SE_config_special_keys):
continue
if (key == "PHOT_AUTOPARAMS"): # tuple instead of a single value
value = " ".join(map(str, self.config[key]))
else:
value = str(self.config[key])
print(("%-16s %-16s # %s" % (key, value, SExtractor._SE_config[key]['comment'])), file=main_f)
main_f.close()
def compress():
with builtins.open(uc_fn, 'rb') as f_in:
with builtins.open(cpm_fn, 'wb') as f_out:
gz_out = GzipFile(
f_out, mode='wb', extra=[
'this is extra', {
'foo': 'bar'}], comment='This is the comment')
while True:
chunk = f_in.read(10)
if not chunk:
break
gz_out.write(chunk)
gz_out.close()
def open(filename,
flag='c',
protocol=None,
writeback=False,
block=True,
lckfilename=None):
"""
Open the sheve file, createing a lockfile at filename.lck.
If block is False then a IOError will be raised if the lock cannot be acquired.
"""
if lckfilename is None:
lckfilename = filename + ".lck"
lckfile = builtins.open(lckfilename, 'w')
# Accquire the lock
if flag == 'r':
lockflags = LOCK_SH
else:
lockflags = LOCK_EX
if not block:
lockflags = LOCK_NB
fcntl.flock(lckfile.fileno(), lockflags)
shelf = shelve.open(filename, flag, protocol, writeback)
shelf.close = types.MethodType(_close, shelf)
shelf.lckfile = lckfile
return shelf
def decompress():
with builtins.open(cpm_fn, 'rb') as f_in:
with builtins.open(dcpm_fn, 'wb') as f_out:
gz_in = GzipFile(flo(f_in), mode='rb')
while True:
chunk = gz_in.read(10)
if not chunk:
break
f_out.write(chunk)
gz_in.close()
print('Extra:', gz_in.extra)
print('Extra:', gz_in.extra[1]['foo'])
print('Comment:', gz_in.comment)
def compress():
with builtins.open(uc_fn, 'rb') as f_in:
with builtins.open(cpm_fn, 'wb') as f_out:
gz_out = GzipFile(f_out,
mode='wb',
extra=['this is extra', {
'foo': 'bar'
}],
comment='This is the comment')
while True:
chunk = f_in.read(10)
if not chunk:
break
gz_out.write(chunk)
gz_out.close()
def decompress():
with builtins.open(cpm_fn, 'rb') as f_in:
with builtins.open(dcpm_fn, 'wb') as f_out:
gz_in = GzipFile(flo(f_in), mode='rb')
while True:
chunk = gz_in.read(10)
if not chunk:
break
f_out.write(chunk)
gz_in.close()
print('Extra:', gz_in.extra)
print('Extra:', gz_in.extra[1]['foo'])
print('Comment:', gz_in.comment)
def __init__(self,
key,
mode='r',
connection=None,
encrypt=True,
version_id=None):
from baiji.connection import S3Connection
self.encrypt = encrypt
self.key = key
if path.islocal(key):
self.should_upload_on_close = False
self.mode = FileMode(mode, allowed_modes='arwxb+t')
from six.moves import builtins
local_path = path.parse(key).path
if self.mode.is_output and not os.path.exists(
os.path.dirname(local_path)):
from baiji.util.shutillib import mkdir_p
mkdir_p(os.path.dirname(local_path))
try:
# Use os.open to catch exclusive access to the file, but use open to get a nice, useful file object
self.fd = os.open(local_path, self.mode.flags)
self.f = builtins.open(local_path,
self.mode.mode.replace('x', 'w'))
os.close(self.fd)
except OSError as e:
import errno
if e.errno is errno.EEXIST:
raise KeyExists("Local file exists: %s" % local_path)
elif e.errno is errno.ENOENT:
raise KeyNotFound("Local file does not exist: %s" %
local_path)
else:
raise IOError(e.errno, "%s: %s" % (e.strerror, e.filename))
else:
if connection is None:
connection = S3Connection()
self.connection = connection
self.mode = FileMode(mode, allowed_modes='rwxbt')
self.should_upload_on_close = self.mode.is_output
if self.mode.creating_exclusively:
if self.connection.exists(self.key):
raise KeyExists("Key exists in bucket: %s" % self.key)
else:
self.connection.touch(self.key, encrypt=self.encrypt)
# Use w+ so we can read back the contents in upload()
new_mode = ('w+' + (self.mode.binary and 'b' or '') +
(self.mode.text and 't' or ''))
from baiji.util import tempfile
self.f = tempfile.NamedTemporaryFile(
mode=new_mode,
suffix=os.path.splitext(path.parse(self.key).path)[1])
self.name = self.f.name
self.remotename = key # Used by some serialization code to find files which sit along side the file in question, like textures which sit next to a mesh file
if self.mode.reading:
self.connection.cp(self.key,
self.name,
force=True,
version_id=version_id)
def open(path, mode='rb'):
'''Open a Gzip file.'''
with builtins.open(path, mode) as raw:
fobj = from_file(raw)
try:
yield fobj
finally:
fobj.close()
def open(self, *args, **kwargs):
"""
Opens a path and retains interface compatibility with
`SwiftPath` by popping the unused ``swift_upload_args`` keyword
argument.
"""
kwargs.pop('swift_upload_kwargs', None)
return builtins.open(self, *args, **kwargs)
def __init__(self, name, mode='r'):
self.name = name
self.mode = mode
self.closed = True
self._file = None
self._keys = list()
self._keys_positions = {}
self._output = None
self._firstline = True
if self.mode != 'r':
raise ValueError(
'only read-only access is now implemented.'
)
self._file = __builtin__.open(self.name, self.mode)
self.closed = False
# Reading header
self._line = self._file.readline()
if not(self._line):
raise WrongSExtractorfileException(
'not a SExtractor text catalog (empty file)'
)
while (self._line):
__ll = (self._line).replace('\n', '')
if __ll[0] == '#': # Still in header
columns = __ll.split()
if len(columns) < 3:
raise WrongSExtractorfileException(
'not a SExtractor text catalog (invalid header)'
)
name = columns[2]
if name not in SExtractorfile._SE_keys:
raise WrongSExtractorfileException(
'not a SExtractor text catalog (unknown keyword %s)'
% name
)
self._keys_positions[name] = int(columns[1]) - 1
self._keys.append(name)
else:
break
self._line = self._file.readline()
if not(self._keys):
raise WrongSExtractorfileException(
'not a SExtractor text catalog (empty header)'
)
self._outdict = dict([(k, None) for k in self._keys])
self._firstline = True
def open(self, *args, **kwargs):
"""
Opens a path and retains interface compatibility with
`SwiftPath` by popping the unused ``swift_upload_args`` keyword
argument.
Creates parent directory if it does not exist.
"""
kwargs.pop('swift_upload_kwargs', None)
self.parent.makedirs_p()
return builtins.open(self, *args, **kwargs)
def open(self, mode=None, encoding=None):
"""
Opens a path and retains interface compatibility with
`SwiftPath` by popping the unused ``swift_upload_args`` keyword
argument.
Creates parent directory if it does not exist.
"""
self.parent.makedirs_p()
# only set kwargs if they aren't set to avoid overwriting defaults
kwargs = {k: v for k, v in [('mode', mode), ('encoding', encoding)] if v}
return builtins.open(self, **kwargs)
def __init__(self, filename, mode=None):
if not mode:
mode = 'rb'
if not "b" in mode:
mode += "b"
self.fileobj = builtins.open(filename, mode)
if "r" in mode:
self.determine_file_type()
self.readheader()
self.readlookup()
self.sectorsize = self.getsectorsize()
self.mask = None
self.nland = None
def _read_key_from_disk(keypath):
"""
Reads key from disk and returns the base64-decoded key. New lines
(if they exist) are stripped.
"""
# read key from disk
encoded_secret_key = builtins.open(keypath).read()
# strip newlines if they exist
encoded_key = encoded_secret_key.strip('\n')
# decode base64-encoding and return key bytes
return encodedstring_to_bytes(encoded_key)
def __init__(self, name, mode='r'):
self.name = name
self.mode = mode
self.closed = True
self._file = None
self._keys = list()
self._keys_positions = {}
self._output = None
self._firstline = True
if self.mode != 'r':
raise ValueError('only read-only access is now implemented.')
self._file = __builtin__.open(self.name, self.mode)
self.closed = False
# Reading header
self._line = self._file.readline()
if not (self._line):
raise WrongSExtractorfileException(
'not a SExtractor text catalog (empty file)')
while (self._line):
__ll = (self._line).replace('\n', '')
if __ll[0] == '#': # Still in header
columns = __ll.split()
if len(columns) < 3:
raise WrongSExtractorfileException(
'not a SExtractor text catalog (invalid header)')
name = columns[2]
if name not in SExtractorfile._SE_keys:
raise WrongSExtractorfileException(
'not a SExtractor text catalog (unknown keyword %s)' %
name)
self._keys_positions[name] = int(columns[1]) - 1
self._keys.append(name)
else:
break
self._line = self._file.readline()
if not (self._keys):
raise WrongSExtractorfileException(
'not a SExtractor text catalog (empty header)')
self._outdict = dict([(k, None) for k in self._keys])
self._firstline = True
def __init__(self, filename_or_obj=None, mode=None,
compresslevel=9,
mtime=None, comment=None, extra=None):
"""Constructor for the GzipFile class.
At least one of fileobj and filename must be given a
non-trivial value.
The new class instance is based on fileobj, which can be a regular
file, a StringIO object, or any other object which simulates a file.
It defaults to None, in which case filename is opened to provide
a file object.
When fileobj is not None, the filename argument is only used to be
included in the gzip file header, which may includes the original
filename of the uncompressed file. It defaults to the filename of
fileobj, if discernible; otherwise, it defaults to the empty string,
and in this case the original filename is not included in the header.
The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', or 'wb',
depending on whether the file will be read or written. The default
is the mode of fileobj if discernible; otherwise, the default is 'rb'.
Be aware that only the 'rb', 'ab', and 'wb' values should be used
for cross-platform portability.
The compresslevel argument is an integer from 0 to 9 controlling the
level of compression; 1 is fastest and produces the least compression,
and 9 is slowest and produces the most compression. 0 is no compression
at all. The default is 9.
The mtime argument is an optional numeric timestamp to be written
to the stream when compressing. All gzip compressed streams
are required to contain a timestamp. If omitted or None, the
current time is used. This module ignores the timestamp when
decompressing; however, some programs, such as gunzip, make use
of it. The format of the timestamp is the same as that of the
return value of time.time() and of the st_mtime member of the
object returned by os.stat().
"""
# Make sure we don't inadvertently enable universal newlines on the
# underlying file object - in read mode, this causes data corruption.
if mode:
mode = mode.replace('U', '')
# guarantee the file is opened in binary mode on platforms
# that care about that sort of thing
if mode and 'b' not in mode:
mode += 'b'
if hasattr(filename_or_obj, 'read'):
filename = None
fileobj = filename_or_obj
elif isinstance(filename_or_obj, string_types):
filename = filename_or_obj
fileobj = None
else:
raise IOError('First parameter must be a string' +
' filename or file-like object')
if fileobj is None:
fileobj = self.myfileobj = builtins.open(filename, mode or 'rb')
if filename is None:
# Issue #13781: os.fdopen() creates a fileobj with a bogus name
# attribute. Avoid saving this in the gzip header's filename field.
if hasattr(fileobj, 'name') and fileobj.name != '<fdopen>':
filename = fileobj.name
else:
filename = ''
if mode is None:
if hasattr(fileobj, 'mode'):
mode = fileobj.mode
else:
mode = 'rb'
if mode[0:1] == 'r':
self.mode = READ
# Set flag indicating start of a new member
self._new_member = True
# Buffer data read from gzip file. extrastart is offset in
# stream where buffer starts. extrasize is number of
# bytes remaining in buffer from current stream position.
self.extrabuf = ''
self.extrasize = 0
self.extrastart = 0
self.name = filename
# Starts small, scales exponentially
self.min_readsize = 100
elif mode[0:1] == 'w' or mode[0:1] == 'a':
self.mode = WRITE
self._init_write(filename)
self.compress = zlib.compressobj(compresslevel,
zlib.DEFLATED,
-zlib.MAX_WBITS,
zlib.DEF_MEM_LEVEL,
0)
else:
raise IOError('Mode ' + mode + ' not supported')
self.fileobj = fileobj
self.offset = 0
self.mtime = mtime
self.done = False
self.comment = comment
self.extra = extra
if self.mode == WRITE:
self._write_gzip_header()
def init_write():
with builtins.open(uc_fn, 'w') as f:
s = ':'.join(['{:03d}'.format(i) for i in range(50)])
f.write(s)
def __init__(self,
filename_or_obj=None,
mode=None,
compresslevel=9,
mtime=None,
comment=None,
extra=None):
"""Constructor for the GzipFile class.
At least one of fileobj and filename must be given a
non-trivial value.
The new class instance is based on fileobj, which can be a regular
file, a StringIO object, or any other object which simulates a file.
It defaults to None, in which case filename is opened to provide
a file object.
When fileobj is not None, the filename argument is only used to be
included in the gzip file header, which may includes the original
filename of the uncompressed file. It defaults to the filename of
fileobj, if discernible; otherwise, it defaults to the empty string,
and in this case the original filename is not included in the header.
The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', or 'wb',
depending on whether the file will be read or written. The default
is the mode of fileobj if discernible; otherwise, the default is 'rb'.
Be aware that only the 'rb', 'ab', and 'wb' values should be used
for cross-platform portability.
The compresslevel argument is an integer from 0 to 9 controlling the
level of compression; 1 is fastest and produces the least compression,
and 9 is slowest and produces the most compression. 0 is no compression
at all. The default is 9.
The mtime argument is an optional numeric timestamp to be written
to the stream when compressing. All gzip compressed streams
are required to contain a timestamp. If omitted or None, the
current time is used. This module ignores the timestamp when
decompressing; however, some programs, such as gunzip, make use
of it. The format of the timestamp is the same as that of the
return value of time.time() and of the st_mtime member of the
object returned by os.stat().
"""
# Make sure we don't inadvertently enable universal newlines on the
# underlying file object - in read mode, this causes data corruption.
if mode:
mode = mode.replace('U', '')
# guarantee the file is opened in binary mode on platforms
# that care about that sort of thing
if mode and 'b' not in mode:
mode += 'b'
if hasattr(filename_or_obj, 'read'):
filename = None
fileobj = filename_or_obj
elif isinstance(filename_or_obj, string_types):
filename = filename_or_obj
fileobj = None
else:
raise IOError('First parameter must be a string' +
' filename or file-like object')
if fileobj is None:
fileobj = self.myfileobj = builtins.open(filename, mode or 'rb')
if filename is None:
# Issue #13781: os.fdopen() creates a fileobj with a bogus name
# attribute. Avoid saving this in the gzip header's filename field.
if hasattr(fileobj, 'name') and fileobj.name != '<fdopen>':
filename = fileobj.name
else:
filename = ''
if mode is None:
if hasattr(fileobj, 'mode'):
mode = fileobj.mode
else:
mode = 'rb'
if mode[0:1] == 'r':
self.mode = READ
# Set flag indicating start of a new member
self._new_member = True
# Buffer data read from gzip file. extrastart is offset in
# stream where buffer starts. extrasize is number of
# bytes remaining in buffer from current stream position.
self.extrabuf = ''
self.extrasize = 0
self.extrastart = 0
self.name = filename
# Starts small, scales exponentially
self.min_readsize = 100
elif mode[0:1] == 'w' or mode[0:1] == 'a':
self.mode = WRITE
self._init_write(filename)
self.compress = zlib.compressobj(compresslevel, zlib.DEFLATED,
-zlib.MAX_WBITS,
zlib.DEF_MEM_LEVEL, 0)
else:
raise IOError('Mode ' + mode + ' not supported')
self.fileobj = fileobj
self.offset = 0
self.mtime = mtime
self.done = False
self.comment = comment
self.extra = extra
if self.mode == WRITE:
self._write_gzip_header()
def init_write():
with builtins.open(uc_fn, 'w') as f:
s = ':'.join(['{:03d}'.format(i) for i in range(50)])
f.write(s)
def open(path, *args, **kwargs): # pylint: disable=redefined-builtin return builtins.open(extend(path), *args, **kwargs)
def open(self, path, mode):
"""Wrapper on __builtin__.open used to simplify unit testing."""
from six.moves import builtins
return builtins.open(path, mode)
def __init__(self, filename=None, mode=None,
compresslevel=9, fileobj=None, mtime=None):
"""Constructor for the GzipFile class.
At least one of fileobj and filename must be given a
non-trivial value.
The new class instance is based on fileobj, which can be a regular
file, an io.BytesIO object, or any other object which simulates a file.
It defaults to None, in which case filename is opened to provide
a file object.
When fileobj is not None, the filename argument is only used to be
included in the gzip file header, which may includes the original
filename of the uncompressed file. It defaults to the filename of
fileobj, if discernible; otherwise, it defaults to the empty string,
and in this case the original filename is not included in the header.
The mode argument can be any of 'r', 'rb', 'a', 'ab', 'w', or 'wb',
depending on whether the file will be read or written. The default
is the mode of fileobj if discernible; otherwise, the default is 'rb'.
A mode of 'r' is equivalent to one of 'rb', and similarly for 'w' and
'wb', and 'a' and 'ab'.
The compresslevel argument is an integer from 0 to 9 controlling the
level of compression; 1 is fastest and produces the least compression,
and 9 is slowest and produces the most compression. 0 is no compression
at all. The default is 9.
The mtime argument is an optional numeric timestamp to be written
to the stream when compressing. All gzip compressed streams
are required to contain a timestamp. If omitted or None, the
current time is used. This module ignores the timestamp when
decompressing; however, some programs, such as gunzip, make use
of it. The format of the timestamp is the same as that of the
return value of time.time() and of the st_mtime member of the
object returned by os.stat().
"""
if mode and ('t' in mode or 'U' in mode):
raise ValueError("Invalid mode: {!r}".format(mode))
if mode and 'b' not in mode:
mode += 'b'
if fileobj is None:
fileobj = self.myfileobj = builtins.open(filename, mode or 'rb')
if filename is None:
filename = getattr(fileobj, 'name', '')
if not isinstance(filename, six.string_types):
filename = ''
if mode is None:
mode = getattr(fileobj, 'mode', 'rb')
if mode.startswith('r'):
self.mode = READ
# Set flag indicating start of a new member
self._new_member = True
# Buffer data read from gzip file. extrastart is offset in
# stream where buffer starts. extrasize is number of
# bytes remaining in buffer from current stream position.
self.extrabuf = b""
self.extrasize = 0
self.extrastart = 0
self.name = filename
# Starts small, scales exponentially
self.min_readsize = 100
fileobj = _PaddedFile(fileobj)
elif mode.startswith(('w', 'a')):
self.mode = WRITE
self._init_write(filename)
self.compress = zlib.compressobj(compresslevel,
zlib.DEFLATED,
-zlib.MAX_WBITS,
zlib.DEF_MEM_LEVEL,
0)
else:
raise ValueError("Invalid mode: {!r}".format(mode))
self.fileobj = fileobj
self.offset = 0
self.mtime = mtime
if self.mode == WRITE:
self._write_gzip_header()
def open(self, path, mode):
"""Wrapper on __builtin__.open used to simplify unit testing."""
from six.moves import builtins
return builtins.open(path, mode)
