def read(port):
# This method should either return a valid Metadata object,
# return None if there was no information at all (just a
# _rec_tag_end), throw EOFError if there was nothing at all to
# read, or throw an Exception if a valid object could not be
# read completely.
tag = vint.read_vuint(port)
if tag == _rec_tag_end:
return None
try: # From here on, EOF is an error.
result = Metadata()
while True: # only exit is error (exception) or _rec_tag_end
if tag == _rec_tag_path:
result._load_path_rec(port)
elif tag == _rec_tag_common_v2:
result._load_common_rec(port)
elif tag == _rec_tag_symlink_target:
result._load_symlink_target_rec(port)
elif tag == _rec_tag_hardlink_target:
result._load_hardlink_target_rec(port)
elif tag == _rec_tag_posix1e_acl:
result._load_posix1e_acl_rec(port)
elif tag == _rec_tag_linux_attr:
result._load_linux_attr_rec(port)
elif tag == _rec_tag_linux_xattr:
result._load_linux_xattr_rec(port)
elif tag == _rec_tag_end:
return result
elif tag == _rec_tag_common: # Should be very rare.
result._load_common_rec(port, legacy_format=True)
else: # unknown record
vint.skip_bvec(port)
tag = vint.read_vuint(port)
except EOFError:
raise Exception("EOF while reading Metadata")
def read(port):
# This method should either return a valid Metadata object,
# return None if there was no information at all (just a
# _rec_tag_end), throw EOFError if there was nothing at all to
# read, or throw an Exception if a valid object could not be
# read completely.
tag = vint.read_vuint(port)
if tag == _rec_tag_end:
return None
try: # From here on, EOF is an error.
result = Metadata()
while True: # only exit is error (exception) or _rec_tag_end
if tag == _rec_tag_path:
result._load_path_rec(port)
elif tag == _rec_tag_common:
result._load_common_rec(port)
elif tag == _rec_tag_symlink_target:
result._load_symlink_target_rec(port)
elif tag == _rec_tag_hardlink_target:
result._load_hardlink_target_rec(port)
elif tag == _rec_tag_posix1e_acl:
result._load_posix1e_acl_rec(port)
elif tag ==_rec_tag_nfsv4_acl:
result._load_nfsv4_acl_rec(port)
elif tag == _rec_tag_linux_attr:
result._load_linux_attr_rec(port)
elif tag == _rec_tag_linux_xattr:
result._load_linux_xattr_rec(port)
elif tag == _rec_tag_end:
return result
else: # unknown record
vint.skip_bvec(port)
tag = vint.read_vuint(port)
except EOFError:
raise Exception("EOF while reading Metadata")
def read(port):
# This method should either: return a valid Metadata object;
# throw EOFError if there was nothing at all to read; throw an
# Exception if a valid object could not be read completely.
tag = vint.read_vuint(port)
try: # From here on, EOF is an error.
result = Metadata()
while True: # only exit is error (exception) or _rec_tag_end
if tag == _rec_tag_path:
result._load_path_rec(port)
elif tag == _rec_tag_common:
result._load_common_rec(port)
elif tag == _rec_tag_symlink_target:
result._load_symlink_target_rec(port)
elif tag == _rec_tag_posix1e_acl:
result._load_posix1e_acl_rec(port)
elif tag ==_rec_tag_nfsv4_acl:
result._load_nfsv4_acl_rec(port)
elif tag == _rec_tag_linux_attr:
result._load_linux_attr_rec(port)
elif tag == _rec_tag_linux_xattr:
result._load_linux_xattr_rec(port)
elif tag == _rec_tag_end:
return result
else: # unknown record
vint.skip_bvec(port)
tag = vint.read_vuint(port)
except EOFError:
raise Exception("EOF while reading Metadata")
def test_bvec():
values = ('', 'x', 'foo', '\0', '\0foo', 'foo\0bar\0')
for x in values:
WVPASSEQ(encode_and_decode_bvec(x), x)
WVEXCEPT(EOFError, vint.read_bvec, BytesIO())
outf = BytesIO()
for x in ('foo', 'bar', 'baz', 'bax'):
vint.write_bvec(outf, x)
inf = BytesIO(outf.getvalue())
WVPASSEQ(vint.read_bvec(inf), 'foo')
WVPASSEQ(vint.read_bvec(inf), 'bar')
vint.skip_bvec(inf)
WVPASSEQ(vint.read_bvec(inf), 'bax')
def test_bvec():
values = ('', 'x', 'foo', '\0', '\0foo', 'foo\0bar\0')
for x in values:
WVPASSEQ(encode_and_decode_bvec(x), x)
WVEXCEPT(EOFError, vint.read_bvec, StringIO())
outf = StringIO()
for x in ('foo', 'bar', 'baz', 'bax'):
vint.write_bvec(outf, x)
inf = StringIO(outf.getvalue())
WVPASSEQ(vint.read_bvec(inf), 'foo')
WVPASSEQ(vint.read_bvec(inf), 'bar')
vint.skip_bvec(inf)
WVPASSEQ(vint.read_bvec(inf), 'bax')
def test_bvec():
with no_lingering_errors():
values = (b'', b'x', b'foo', b'\0', b'\0foo', b'foo\0bar\0')
for x in values:
WVPASSEQ(encode_and_decode_bvec(x), x)
WVEXCEPT(EOFError, vint.read_bvec, BytesIO())
outf = BytesIO()
for x in (b'foo', b'bar', b'baz', b'bax'):
vint.write_bvec(outf, x)
inf = BytesIO(outf.getvalue())
WVPASSEQ(vint.read_bvec(inf), b'foo')
WVPASSEQ(vint.read_bvec(inf), b'bar')
vint.skip_bvec(inf)
WVPASSEQ(vint.read_bvec(inf), b'bax')
