/
usr
/
lib64
/
python3.12
/
/usr/lib64/python3.12
mkdir
upload
Name
Size
Mode
Actions
asyncio/
-
0755
rm
collections/
-
0755
rm
concurrent/
-
0755
rm
config-3.12-x86_64-linux-gnu/
-
0755
rm
ctypes/
-
0755
rm
curses/
-
0755
rm
dbm/
-
0755
rm
email/
-
0755
rm
encodings/
-
0755
rm
ensurepip/
-
0755
rm
html/
-
0755
rm
http/
-
0755
rm
importlib/
-
0755
rm
json/
-
0755
rm
lib-dynload/
-
0755
rm
lib2to3/
-
0755
rm
logging/
-
0755
rm
multiprocessing/
-
0755
rm
pydoc_data/
-
0755
rm
re/
-
0755
rm
site-packages/
-
0755
rm
sqlite3/
-
0755
rm
tomllib/
-
0755
rm
unittest/
-
0755
rm
urllib/
-
0755
rm
venv/
-
0755
rm
wsgiref/
-
0755
rm
xml/
-
0755
rm
xmlrpc/
-
0755
rm
zipfile/
-
0755
rm
zoneinfo/
-
0755
rm
__pycache__/
-
0755
rm
abc.py
6538
0644
edit
dl
rm
aifc.py
34211
0644
edit
dl
rm
antigravity.py
500
0644
edit
dl
rm
argparse.py
101155
0644
edit
dl
rm
ast.py
64452
0644
edit
dl
rm
base64.py
20634
0755
edit
dl
rm
bdb.py
33573
0644
edit
dl
rm
bisect.py
3423
0644
edit
dl
rm
bz2.py
11847
0644
edit
dl
rm
calendar.py
25864
0644
edit
dl
rm
cgi.py
34418
0755
edit
dl
rm
cgitb.py
12421
0644
edit
dl
rm
chunk.py
5500
0644
edit
dl
rm
cmd.py
14873
0644
edit
dl
rm
code.py
10962
0644
edit
dl
rm
codecs.py
36870
0644
edit
dl
rm
codeop.py
5908
0644
edit
dl
rm
colorsys.py
4062
0644
edit
dl
rm
compileall.py
20507
0644
edit
dl
rm
configparser.py
54205
0644
edit
dl
rm
contextlib.py
27637
0644
edit
dl
rm
contextvars.py
129
0644
edit
dl
rm
copy.py
8412
0644
edit
dl
rm
copyreg.py
7614
0644
edit
dl
rm
cProfile.py
6555
0755
edit
dl
rm
crypt.py
3913
0644
edit
dl
rm
csv.py
17132
0644
edit
dl
rm
dataclasses.py
62085
0644
edit
dl
rm
datetime.py
268
0644
edit
dl
rm
decimal.py
2805
0644
edit
dl
rm
difflib.py
83368
0644
edit
dl
rm
dis.py
30227
0644
edit
dl
rm
doctest.py
106749
0644
edit
dl
rm
enum.py
81540
0644
edit
dl
rm
filecmp.py
10381
0644
edit
dl
rm
fileinput.py
15714
0644
edit
dl
rm
fnmatch.py
5999
0644
edit
dl
rm
fractions.py
38147
0644
edit
dl
rm
ftplib.py
35240
0644
edit
dl
rm
functools.py
37940
0644
edit
dl
rm
genericpath.py
5572
0644
edit
dl
rm
getopt.py
7488
0644
edit
dl
rm
getpass.py
5990
0644
edit
dl
rm
gettext.py
21320
0644
edit
dl
rm
glob.py
8732
0644
edit
dl
rm
graphlib.py
9648
0644
edit
dl
rm
gzip.py
25402
0644
edit
dl
rm
hashlib.py
9683
0644
edit
dl
rm
heapq.py
23024
0644
edit
dl
rm
hmac.py
8043
0644
edit
dl
rm
imaplib.py
54209
0644
edit
dl
rm
imghdr.py
4398
0644
edit
dl
rm
inspect.py
127125
0644
edit
dl
rm
io.py
3582
0644
edit
dl
rm
ipaddress.py
81414
0644
edit
dl
rm
keyword.py
1073
0644
edit
dl
rm
LICENSE.txt
13936
0644
edit
dl
rm
linecache.py
5800
0644
edit
dl
rm
locale.py
78599
0644
edit
dl
rm
lzma.py
13277
0644
edit
dl
rm
mailbox.py
78911
0644
edit
dl
rm
mailcap.py
9333
0644
edit
dl
rm
mimetypes.py
23037
0644
edit
dl
rm
modulefinder.py
23699
0644
edit
dl
rm
netrc.py
6922
0644
edit
dl
rm
nntplib.py
41087
0644
edit
dl
rm
ntpath.py
30404
0644
edit
dl
rm
nturl2path.py
2374
0644
edit
dl
rm
numbers.py
11467
0644
edit
dl
rm
opcode.py
13174
0644
edit
dl
rm
operator.py
10965
0644
edit
dl
rm
optparse.py
60369
0644
edit
dl
rm
os.py
40821
0644
edit
dl
rm
pathlib.py
51052
0644
edit
dl
rm
pdb.py
70297
0755
edit
dl
rm
pickle.py
66911
0644
edit
dl
rm
pickletools.py
94052
0644
edit
dl
rm
pipes.py
8978
0644
edit
dl
rm
pkgutil.py
18281
0644
edit
dl
rm
platform.py
43388
0755
edit
dl
rm
plistlib.py
28582
0644
edit
dl
rm
poplib.py
14742
0644
edit
dl
rm
posixpath.py
17356
0644
edit
dl
rm
pprint.py
24158
0644
edit
dl
rm
profile.py
23092
0755
edit
dl
rm
pstats.py
29289
0644
edit
dl
rm
pty.py
6137
0644
edit
dl
rm
pyclbr.py
11396
0644
edit
dl
rm
pydoc.py
113508
0755
edit
dl
rm
py_compile.py
7837
0644
edit
dl
rm
queue.py
11496
0644
edit
dl
rm
quopri.py
7183
0755
edit
dl
rm
random.py
34689
0644
edit
dl
rm
reprlib.py
7148
0644
edit
dl
rm
rlcompleter.py
7827
0644
edit
dl
rm
runpy.py
12885
0644
edit
dl
rm
sched.py
6351
0644
edit
dl
rm
secrets.py
1984
0644
edit
dl
rm
selectors.py
19671
0644
edit
dl
rm
shelve.py
8560
0644
edit
dl
rm
shlex.py
13353
0644
edit
dl
rm
shutil.py
56198
0644
edit
dl
rm
signal.py
2495
0644
edit
dl
rm
site.py
23439
0644
edit
dl
rm
smtplib.py
43531
0755
edit
dl
rm
sndhdr.py
7448
0644
edit
dl
rm
socket.py
37815
0644
edit
dl
rm
socketserver.py
28065
0644
edit
dl
rm
sre_compile.py
231
0644
edit
dl
rm
sre_constants.py
232
0644
edit
dl
rm
sre_parse.py
229
0644
edit
dl
rm
ssl.py
50904
0644
edit
dl
rm
stat.py
5485
0644
edit
dl
rm
statistics.py
50227
0644
edit
dl
rm
string.py
11786
0644
edit
dl
rm
stringprep.py
12917
0644
edit
dl
rm
struct.py
257
0644
edit
dl
rm
subprocess.py
88747
0644
edit
dl
rm
sunau.py
18478
0644
edit
dl
rm
symtable.py
12477
0644
edit
dl
rm
sysconfig.py
33773
0644
edit
dl
rm
tabnanny.py
11531
0755
edit
dl
rm
tarfile.py
115805
0755
edit
dl
rm
telnetlib.py
23334
0644
edit
dl
rm
tempfile.py
32386
0644
edit
dl
rm
textwrap.py
19718
0644
edit
dl
rm
this.py
1003
0644
edit
dl
rm
threading.py
59742
0644
edit
dl
rm
timeit.py
13463
0755
edit
dl
rm
token.py
2511
0644
edit
dl
rm
tokenize.py
21570
0644
edit
dl
rm
trace.py
29352
0755
edit
dl
rm
traceback.py
46393
0644
edit
dl
rm
tracemalloc.py
18047
0644
edit
dl
rm
tty.py
2035
0644
edit
dl
rm
types.py
10993
0644
edit
dl
rm
typing.py
118836
0644
edit
dl
rm
uu.py
7341
0644
edit
dl
rm
uuid.py
29656
0644
edit
dl
rm
warnings.py
21909
0644
edit
dl
rm
wave.py
22769
0644
edit
dl
rm
weakref.py
21513
0644
edit
dl
rm
webbrowser.py
24206
0755
edit
dl
rm
xdrlib.py
5942
0644
edit
dl
rm
zipapp.py
7543
0644
edit
dl
rm
zipimport.py
27840
0644
edit
dl
rm
_aix_support.py
4021
0644
edit
dl
rm
_collections_abc.py
32089
0644
edit
dl
rm
_compat_pickle.py
8761
0644
edit
dl
rm
_compression.py
5681
0644
edit
dl
rm
_markupbase.py
14653
0644
edit
dl
rm
_osx_support.py
22023
0644
edit
dl
rm
_pydatetime.py
92087
0644
edit
dl
rm
_pydecimal.py
227283
0644
edit
dl
rm
_pyio.py
93593
0644
edit
dl
rm
_pylong.py
10790
0644
edit
dl
rm
_py_abc.py
6189
0644
edit
dl
rm
_sitebuiltins.py
3128
0644
edit
dl
rm
_strptime.py
28393
0644
edit
dl
rm
_sysconfigdata__linux_x86_64-linux-gnu.py
72132
0644
edit
dl
rm
_threading_local.py
7220
0644
edit
dl
rm
_weakrefset.py
5893
0644
edit
dl
rm
__future__.py
5218
0644
edit
dl
rm
__hello__.py
227
0644
edit
dl
rm
Edit:
/usr/lib64/python3.12/codecs.py
(36870B)
""" codecs -- Python Codec Registry, API and helpers. Written by Marc-Andre Lemburg (mal@lemburg.com). (c) Copyright CNRI, All Rights Reserved. NO WARRANTY. """ import builtins import sys ### Registry and builtin stateless codec functions try: from _codecs import * except ImportError as why: raise SystemError('Failed to load the builtin codecs: %s' % why) __all__ = ["register", "lookup", "open", "EncodedFile", "BOM", "BOM_BE", "BOM_LE", "BOM32_BE", "BOM32_LE", "BOM64_BE", "BOM64_LE", "BOM_UTF8", "BOM_UTF16", "BOM_UTF16_LE", "BOM_UTF16_BE", "BOM_UTF32", "BOM_UTF32_LE", "BOM_UTF32_BE", "CodecInfo", "Codec", "IncrementalEncoder", "IncrementalDecoder", "StreamReader", "StreamWriter", "StreamReaderWriter", "StreamRecoder", "getencoder", "getdecoder", "getincrementalencoder", "getincrementaldecoder", "getreader", "getwriter", "encode", "decode", "iterencode", "iterdecode", "strict_errors", "ignore_errors", "replace_errors", "xmlcharrefreplace_errors", "backslashreplace_errors", "namereplace_errors", "register_error", "lookup_error"] ### Constants # # Byte Order Mark (BOM = ZERO WIDTH NO-BREAK SPACE = U+FEFF) # and its possible byte string values # for UTF8/UTF16/UTF32 output and little/big endian machines # # UTF-8 BOM_UTF8 = b'\xef\xbb\xbf' # UTF-16, little endian BOM_LE = BOM_UTF16_LE = b'\xff\xfe' # UTF-16, big endian BOM_BE = BOM_UTF16_BE = b'\xfe\xff' # UTF-32, little endian BOM_UTF32_LE = b'\xff\xfe\x00\x00' # UTF-32, big endian BOM_UTF32_BE = b'\x00\x00\xfe\xff' if sys.byteorder == 'little': # UTF-16, native endianness BOM = BOM_UTF16 = BOM_UTF16_LE # UTF-32, native endianness BOM_UTF32 = BOM_UTF32_LE else: # UTF-16, native endianness BOM = BOM_UTF16 = BOM_UTF16_BE # UTF-32, native endianness BOM_UTF32 = BOM_UTF32_BE # Old broken names (don't use in new code) BOM32_LE = BOM_UTF16_LE BOM32_BE = BOM_UTF16_BE BOM64_LE = BOM_UTF32_LE BOM64_BE = BOM_UTF32_BE ### Codec base classes (defining the API) class CodecInfo(tuple): """Codec details when looking up the codec registry""" # Private API to allow Python 3.4 to denylist the known non-Unicode # codecs in the standard library. A more general mechanism to # reliably distinguish test encodings from other codecs will hopefully # be defined for Python 3.5 # # See http://bugs.python.org/issue19619 _is_text_encoding = True # Assume codecs are text encodings by default def __new__(cls, encode, decode, streamreader=None, streamwriter=None, incrementalencoder=None, incrementaldecoder=None, name=None, *, _is_text_encoding=None): self = tuple.__new__(cls, (encode, decode, streamreader, streamwriter)) self.name = name self.encode = encode self.decode = decode self.incrementalencoder = incrementalencoder self.incrementaldecoder = incrementaldecoder self.streamwriter = streamwriter self.streamreader = streamreader if _is_text_encoding is not None: self._is_text_encoding = _is_text_encoding return self def __repr__(self): return "<%s.%s object for encoding %s at %#x>" % \ (self.__class__.__module__, self.__class__.__qualname__, self.name, id(self)) class Codec: """ Defines the interface for stateless encoders/decoders. The .encode()/.decode() methods may use different error handling schemes by providing the errors argument. These string values are predefined: 'strict' - raise a ValueError error (or a subclass) 'ignore' - ignore the character and continue with the next 'replace' - replace with a suitable replacement character; Python will use the official U+FFFD REPLACEMENT CHARACTER for the builtin Unicode codecs on decoding and '?' on encoding. 'surrogateescape' - replace with private code points U+DCnn. 'xmlcharrefreplace' - Replace with the appropriate XML character reference (only for encoding). 'backslashreplace' - Replace with backslashed escape sequences. 'namereplace' - Replace with \\N{...} escape sequences (only for encoding). The set of allowed values can be extended via register_error. """ def encode(self, input, errors='strict'): """ Encodes the object input and returns a tuple (output object, length consumed). errors defines the error handling to apply. It defaults to 'strict' handling. The method may not store state in the Codec instance. Use StreamWriter for codecs which have to keep state in order to make encoding efficient. The encoder must be able to handle zero length input and return an empty object of the output object type in this situation. """ raise NotImplementedError def decode(self, input, errors='strict'): """ Decodes the object input and returns a tuple (output object, length consumed). input must be an object which provides the bf_getreadbuf buffer slot. Python strings, buffer objects and memory mapped files are examples of objects providing this slot. errors defines the error handling to apply. It defaults to 'strict' handling. The method may not store state in the Codec instance. Use StreamReader for codecs which have to keep state in order to make decoding efficient. The decoder must be able to handle zero length input and return an empty object of the output object type in this situation. """ raise NotImplementedError class IncrementalEncoder(object): """ An IncrementalEncoder encodes an input in multiple steps. The input can be passed piece by piece to the encode() method. The IncrementalEncoder remembers the state of the encoding process between calls to encode(). """ def __init__(self, errors='strict'): """ Creates an IncrementalEncoder instance. The IncrementalEncoder may use different error handling schemes by providing the errors keyword argument. See the module docstring for a list of possible values. """ self.errors = errors self.buffer = "" def encode(self, input, final=False): """ Encodes input and returns the resulting object. """ raise NotImplementedError def reset(self): """ Resets the encoder to the initial state. """ def getstate(self): """ Return the current state of the encoder. """ return 0 def setstate(self, state): """ Set the current state of the encoder. state must have been returned by getstate(). """ class BufferedIncrementalEncoder(IncrementalEncoder): """ This subclass of IncrementalEncoder can be used as the baseclass for an incremental encoder if the encoder must keep some of the output in a buffer between calls to encode(). """ def __init__(self, errors='strict'): IncrementalEncoder.__init__(self, errors) # unencoded input that is kept between calls to encode() self.buffer = "" def _buffer_encode(self, input, errors, final): # Overwrite this method in subclasses: It must encode input # and return an (output, length consumed) tuple raise NotImplementedError def encode(self, input, final=False): # encode input (taking the buffer into account) data = self.buffer + input (result, consumed) = self._buffer_encode(data, self.errors, final) # keep unencoded input until the next call self.buffer = data[consumed:] return result def reset(self): IncrementalEncoder.reset(self) self.buffer = "" def getstate(self): return self.buffer or 0 def setstate(self, state): self.buffer = state or "" class IncrementalDecoder(object): """ An IncrementalDecoder decodes an input in multiple steps. The input can be passed piece by piece to the decode() method. The IncrementalDecoder remembers the state of the decoding process between calls to decode(). """ def __init__(self, errors='strict'): """ Create an IncrementalDecoder instance. The IncrementalDecoder may use different error handling schemes by providing the errors keyword argument. See the module docstring for a list of possible values. """ self.errors = errors def decode(self, input, final=False): """ Decode input and returns the resulting object. """ raise NotImplementedError def reset(self): """ Reset the decoder to the initial state. """ def getstate(self): """ Return the current state of the decoder. This must be a (buffered_input, additional_state_info) tuple. buffered_input must be a bytes object containing bytes that were passed to decode() that have not yet been converted. additional_state_info must be a non-negative integer representing the state of the decoder WITHOUT yet having processed the contents of buffered_input. In the initial state and after reset(), getstate() must return (b"", 0). """ return (b"", 0) def setstate(self, state): """ Set the current state of the decoder. state must have been returned by getstate(). The effect of setstate((b"", 0)) must be equivalent to reset(). """ class BufferedIncrementalDecoder(IncrementalDecoder): """ This subclass of IncrementalDecoder can be used as the baseclass for an incremental decoder if the decoder must be able to handle incomplete byte sequences. """ def __init__(self, errors='strict'): IncrementalDecoder.__init__(self, errors) # undecoded input that is kept between calls to decode() self.buffer = b"" def _buffer_decode(self, input, errors, final): # Overwrite this method in subclasses: It must decode input # and return an (output, length consumed) tuple raise NotImplementedError def decode(self, input, final=False): # decode input (taking the buffer into account) data = self.buffer + input (result, consumed) = self._buffer_decode(data, self.errors, final) # keep undecoded input until the next call self.buffer = data[consumed:] return result def reset(self): IncrementalDecoder.reset(self) self.buffer = b"" def getstate(self): # additional state info is always 0 return (self.buffer, 0) def setstate(self, state): # ignore additional state info self.buffer = state[0] # # The StreamWriter and StreamReader class provide generic working # interfaces which can be used to implement new encoding submodules # very easily. See encodings/utf_8.py for an example on how this is # done. # class StreamWriter(Codec): def __init__(self, stream, errors='strict'): """ Creates a StreamWriter instance. stream must be a file-like object open for writing. The StreamWriter may use different error handling schemes by providing the errors keyword argument. These parameters are predefined: 'strict' - raise a ValueError (or a subclass) 'ignore' - ignore the character and continue with the next 'replace'- replace with a suitable replacement character 'xmlcharrefreplace' - Replace with the appropriate XML character reference. 'backslashreplace' - Replace with backslashed escape sequences. 'namereplace' - Replace with \\N{...} escape sequences. The set of allowed parameter values can be extended via register_error. """ self.stream = stream self.errors = errors def write(self, object): """ Writes the object's contents encoded to self.stream. """ data, consumed = self.encode(object, self.errors) self.stream.write(data) def writelines(self, list): """ Writes the concatenated list of strings to the stream using .write(). """ self.write(''.join(list)) def reset(self): """ Resets the codec buffers used for keeping internal state. Calling this method should ensure that the data on the output is put into a clean state, that allows appending of new fresh data without having to rescan the whole stream to recover state. """ pass def seek(self, offset, whence=0): self.stream.seek(offset, whence) if whence == 0 and offset == 0: self.reset() def __getattr__(self, name, getattr=getattr): """ Inherit all other methods from the underlying stream. """ return getattr(self.stream, name) def __enter__(self): return self def __exit__(self, type, value, tb): self.stream.close() def __reduce_ex__(self, proto): raise TypeError("can't serialize %s" % self.__class__.__name__) ### class StreamReader(Codec): charbuffertype = str def __init__(self, stream, errors='strict'): """ Creates a StreamReader instance. stream must be a file-like object open for reading. The StreamReader may use different error handling schemes by providing the errors keyword argument. These parameters are predefined: 'strict' - raise a ValueError (or a subclass) 'ignore' - ignore the character and continue with the next 'replace'- replace with a suitable replacement character 'backslashreplace' - Replace with backslashed escape sequences; The set of allowed parameter values can be extended via register_error. """ self.stream = stream self.errors = errors self.bytebuffer = b"" self._empty_charbuffer = self.charbuffertype() self.charbuffer = self._empty_charbuffer self.linebuffer = None def decode(self, input, errors='strict'): raise NotImplementedError def read(self, size=-1, chars=-1, firstline=False): """ Decodes data from the stream self.stream and returns the resulting object. chars indicates the number of decoded code points or bytes to return. read() will never return more data than requested, but it might return less, if there is not enough available. size indicates the approximate maximum number of decoded bytes or code points to read for decoding. The decoder can modify this setting as appropriate. The default value -1 indicates to read and decode as much as possible. size is intended to prevent having to decode huge files in one step. If firstline is true, and a UnicodeDecodeError happens after the first line terminator in the input only the first line will be returned, the rest of the input will be kept until the next call to read(). The method should use a greedy read strategy, meaning that it should read as much data as is allowed within the definition of the encoding and the given size, e.g. if optional encoding endings or state markers are available on the stream, these should be read too. """ # If we have lines cached, first merge them back into characters if self.linebuffer: self.charbuffer = self._empty_charbuffer.join(self.linebuffer) self.linebuffer = None if chars < 0: # For compatibility with other read() methods that take a # single argument chars = size # read until we get the required number of characters (if available) while True: # can the request be satisfied from the character buffer? if chars >= 0: if len(self.charbuffer) >= chars: break # we need more data if size < 0: newdata = self.stream.read() else: newdata = self.stream.read(size) # decode bytes (those remaining from the last call included) data = self.bytebuffer + newdata if not data: break try: newchars, decodedbytes = self.decode(data, self.errors) except UnicodeDecodeError as exc: if firstline: newchars, decodedbytes = \ self.decode(data[:exc.start], self.errors) lines = newchars.splitlines(keepends=True) if len(lines)<=1: raise else: raise # keep undecoded bytes until the next call self.bytebuffer = data[decodedbytes:] # put new characters in the character buffer self.charbuffer += newchars # there was no data available if not newdata: break if chars < 0: # Return everything we've got result = self.charbuffer self.charbuffer = self._empty_charbuffer else: # Return the first chars characters result = self.charbuffer[:chars] self.charbuffer = self.charbuffer[chars:] return result def readline(self, size=None, keepends=True): """ Read one line from the input stream and return the decoded data. size, if given, is passed as size argument to the read() method. """ # If we have lines cached from an earlier read, return # them unconditionally if self.linebuffer: line = self.linebuffer[0] del self.linebuffer[0] if len(self.linebuffer) == 1: # revert to charbuffer mode; we might need more data # next time self.charbuffer = self.linebuffer[0] self.linebuffer = None if not keepends: line = line.splitlines(keepends=False)[0] return line readsize = size or 72 line = self._empty_charbuffer # If size is given, we call read() only once while True: data = self.read(readsize, firstline=True) if data: # If we're at a "\r" read one extra character (which might # be a "\n") to get a proper line ending. If the stream is # temporarily exhausted we return the wrong line ending. if (isinstance(data, str) and data.endswith("\r")) or \ (isinstance(data, bytes) and data.endswith(b"\r")): data += self.read(size=1, chars=1) line += data lines = line.splitlines(keepends=True) if lines: if len(lines) > 1: # More than one line result; the first line is a full line # to return line = lines[0] del lines[0] if len(lines) > 1: # cache the remaining lines lines[-1] += self.charbuffer self.linebuffer = lines self.charbuffer = None else: # only one remaining line, put it back into charbuffer self.charbuffer = lines[0] + self.charbuffer if not keepends: line = line.splitlines(keepends=False)[0] break line0withend = lines[0] line0withoutend = lines[0].splitlines(keepends=False)[0] if line0withend != line0withoutend: # We really have a line end # Put the rest back together and keep it until the next call self.charbuffer = self._empty_charbuffer.join(lines[1:]) + \ self.charbuffer if keepends: line = line0withend else: line = line0withoutend break # we didn't get anything or this was our only try if not data or size is not None: if line and not keepends: line = line.splitlines(keepends=False)[0] break if readsize < 8000: readsize *= 2 return line def readlines(self, sizehint=None, keepends=True): """ Read all lines available on the input stream and return them as a list. Line breaks are implemented using the codec's decoder method and are included in the list entries. sizehint, if given, is ignored since there is no efficient way to finding the true end-of-line. """ data = self.read() return data.splitlines(keepends) def reset(self): """ Resets the codec buffers used for keeping internal state. Note that no stream repositioning should take place. This method is primarily intended to be able to recover from decoding errors. """ self.bytebuffer = b"" self.charbuffer = self._empty_charbuffer self.linebuffer = None def seek(self, offset, whence=0): """ Set the input stream's current position. Resets the codec buffers used for keeping state. """ self.stream.seek(offset, whence) self.reset() def __next__(self): """ Return the next decoded line from the input stream.""" line = self.readline() if line: return line raise StopIteration def __iter__(self): return self def __getattr__(self, name, getattr=getattr): """ Inherit all other methods from the underlying stream. """ return getattr(self.stream, name) def __enter__(self): return self def __exit__(self, type, value, tb): self.stream.close() def __reduce_ex__(self, proto): raise TypeError("can't serialize %s" % self.__class__.__name__) ### class StreamReaderWriter: """ StreamReaderWriter instances allow wrapping streams which work in both read and write modes. The design is such that one can use the factory functions returned by the codec.lookup() function to construct the instance. """ # Optional attributes set by the file wrappers below encoding = 'unknown' def __init__(self, stream, Reader, Writer, errors='strict'): """ Creates a StreamReaderWriter instance. stream must be a Stream-like object. Reader, Writer must be factory functions or classes providing the StreamReader, StreamWriter interface resp. Error handling is done in the same way as defined for the StreamWriter/Readers. """ self.stream = stream self.reader = Reader(stream, errors) self.writer = Writer(stream, errors) self.errors = errors def read(self, size=-1): return self.reader.read(size) def readline(self, size=None): return self.reader.readline(size) def readlines(self, sizehint=None): return self.reader.readlines(sizehint) def __next__(self): """ Return the next decoded line from the input stream.""" return next(self.reader) def __iter__(self): return self def write(self, data): return self.writer.write(data) def writelines(self, list): return self.writer.writelines(list) def reset(self): self.reader.reset() self.writer.reset() def seek(self, offset, whence=0): self.stream.seek(offset, whence) self.reader.reset() if whence == 0 and offset == 0: self.writer.reset() def __getattr__(self, name, getattr=getattr): """ Inherit all other methods from the underlying stream. """ return getattr(self.stream, name) # these are needed to make "with StreamReaderWriter(...)" work properly def __enter__(self): return self def __exit__(self, type, value, tb): self.stream.close() def __reduce_ex__(self, proto): raise TypeError("can't serialize %s" % self.__class__.__name__) ### class StreamRecoder: """ StreamRecoder instances translate data from one encoding to another. They use the complete set of APIs returned by the codecs.lookup() function to implement their task. Data written to the StreamRecoder is first decoded into an intermediate format (depending on the "decode" codec) and then written to the underlying stream using an instance of the provided Writer class. In the other direction, data is read from the underlying stream using a Reader instance and then encoded and returned to the caller. """ # Optional attributes set by the file wrappers below data_encoding = 'unknown' file_encoding = 'unknown' def __init__(self, stream, encode, decode, Reader, Writer, errors='strict'): """ Creates a StreamRecoder instance which implements a two-way conversion: encode and decode work on the frontend (the data visible to .read() and .write()) while Reader and Writer work on the backend (the data in stream). You can use these objects to do transparent transcodings from e.g. latin-1 to utf-8 and back. stream must be a file-like object. encode and decode must adhere to the Codec interface; Reader and Writer must be factory functions or classes providing the StreamReader and StreamWriter interfaces resp. Error handling is done in the same way as defined for the StreamWriter/Readers. """ self.stream = stream self.encode = encode self.decode = decode self.reader = Reader(stream, errors) self.writer = Writer(stream, errors) self.errors = errors def read(self, size=-1): data = self.reader.read(size) data, bytesencoded = self.encode(data, self.errors) return data def readline(self, size=None): if size is None: data = self.reader.readline() else: data = self.reader.readline(size) data, bytesencoded = self.encode(data, self.errors) return data def readlines(self, sizehint=None): data = self.reader.read() data, bytesencoded = self.encode(data, self.errors) return data.splitlines(keepends=True) def __next__(self): """ Return the next decoded line from the input stream.""" data = next(self.reader) data, bytesencoded = self.encode(data, self.errors) return data def __iter__(self): return self def write(self, data): data, bytesdecoded = self.decode(data, self.errors) return self.writer.write(data) def writelines(self, list): data = b''.join(list) data, bytesdecoded = self.decode(data, self.errors) return self.writer.write(data) def reset(self): self.reader.reset() self.writer.reset() def seek(self, offset, whence=0): # Seeks must be propagated to both the readers and writers # as they might need to reset their internal buffers. self.reader.seek(offset, whence) self.writer.seek(offset, whence) def __getattr__(self, name, getattr=getattr): """ Inherit all other methods from the underlying stream. """ return getattr(self.stream, name) def __enter__(self): return self def __exit__(self, type, value, tb): self.stream.close() def __reduce_ex__(self, proto): raise TypeError("can't serialize %s" % self.__class__.__name__) ### Shortcuts def open(filename, mode='r', encoding=None, errors='strict', buffering=-1): """ Open an encoded file using the given mode and return a wrapped version providing transparent encoding/decoding. Note: The wrapped version will only accept the object format defined by the codecs, i.e. Unicode objects for most builtin codecs. Output is also codec dependent and will usually be Unicode as well. If encoding is not None, then the underlying encoded files are always opened in binary mode. The default file mode is 'r', meaning to open the file in read mode. encoding specifies the encoding which is to be used for the file. errors may be given to define the error handling. It defaults to 'strict' which causes ValueErrors to be raised in case an encoding error occurs. buffering has the same meaning as for the builtin open() API. It defaults to -1 which means that the default buffer size will be used. The returned wrapped file object provides an extra attribute .encoding which allows querying the used encoding. This attribute is only available if an encoding was specified as parameter. """ if encoding is not None and \ 'b' not in mode: # Force opening of the file in binary mode mode = mode + 'b' file = builtins.open(filename, mode, buffering) if encoding is None: return file try: info = lookup(encoding) srw = StreamReaderWriter(file, info.streamreader, info.streamwriter, errors) # Add attributes to simplify introspection srw.encoding = encoding return srw except: file.close() raise def EncodedFile(file, data_encoding, file_encoding=None, errors='strict'): """ Return a wrapped version of file which provides transparent encoding translation. Data written to the wrapped file is decoded according to the given data_encoding and then encoded to the underlying file using file_encoding. The intermediate data type will usually be Unicode but depends on the specified codecs. Bytes read from the file are decoded using file_encoding and then passed back to the caller encoded using data_encoding. If file_encoding is not given, it defaults to data_encoding. errors may be given to define the error handling. It defaults to 'strict' which causes ValueErrors to be raised in case an encoding error occurs. The returned wrapped file object provides two extra attributes .data_encoding and .file_encoding which reflect the given parameters of the same name. The attributes can be used for introspection by Python programs. """ if file_encoding is None: file_encoding = data_encoding data_info = lookup(data_encoding) file_info = lookup(file_encoding) sr = StreamRecoder(file, data_info.encode, data_info.decode, file_info.streamreader, file_info.streamwriter, errors) # Add attributes to simplify introspection sr.data_encoding = data_encoding sr.file_encoding = file_encoding return sr ### Helpers for codec lookup def getencoder(encoding): """ Lookup up the codec for the given encoding and return its encoder function. Raises a LookupError in case the encoding cannot be found. """ return lookup(encoding).encode def getdecoder(encoding): """ Lookup up the codec for the given encoding and return its decoder function. Raises a LookupError in case the encoding cannot be found. """ return lookup(encoding).decode def getincrementalencoder(encoding): """ Lookup up the codec for the given encoding and return its IncrementalEncoder class or factory function. Raises a LookupError in case the encoding cannot be found or the codecs doesn't provide an incremental encoder. """ encoder = lookup(encoding).incrementalencoder if encoder is None: raise LookupError(encoding) return encoder def getincrementaldecoder(encoding): """ Lookup up the codec for the given encoding and return its IncrementalDecoder class or factory function. Raises a LookupError in case the encoding cannot be found or the codecs doesn't provide an incremental decoder. """ decoder = lookup(encoding).incrementaldecoder if decoder is None: raise LookupError(encoding) return decoder def getreader(encoding): """ Lookup up the codec for the given encoding and return its StreamReader class or factory function. Raises a LookupError in case the encoding cannot be found. """ return lookup(encoding).streamreader def getwriter(encoding): """ Lookup up the codec for the given encoding and return its StreamWriter class or factory function. Raises a LookupError in case the encoding cannot be found. """ return lookup(encoding).streamwriter def iterencode(iterator, encoding, errors='strict', **kwargs): """ Encoding iterator. Encodes the input strings from the iterator using an IncrementalEncoder. errors and kwargs are passed through to the IncrementalEncoder constructor. """ encoder = getincrementalencoder(encoding)(errors, **kwargs) for input in iterator: output = encoder.encode(input) if output: yield output output = encoder.encode("", True) if output: yield output def iterdecode(iterator, encoding, errors='strict', **kwargs): """ Decoding iterator. Decodes the input strings from the iterator using an IncrementalDecoder. errors and kwargs are passed through to the IncrementalDecoder constructor. """ decoder = getincrementaldecoder(encoding)(errors, **kwargs) for input in iterator: output = decoder.decode(input) if output: yield output output = decoder.decode(b"", True) if output: yield output ### Helpers for charmap-based codecs def make_identity_dict(rng): """ make_identity_dict(rng) -> dict Return a dictionary where elements of the rng sequence are mapped to themselves. """ return {i:i for i in rng} def make_encoding_map(decoding_map): """ Creates an encoding map from a decoding map. If a target mapping in the decoding map occurs multiple times, then that target is mapped to None (undefined mapping), causing an exception when encountered by the charmap codec during translation. One example where this happens is cp875.py which decodes multiple character to \\u001a. """ m = {} for k,v in decoding_map.items(): if not v in m: m[v] = k else: m[v] = None return m ### error handlers try: strict_errors = lookup_error("strict") ignore_errors = lookup_error("ignore") replace_errors = lookup_error("replace") xmlcharrefreplace_errors = lookup_error("xmlcharrefreplace") backslashreplace_errors = lookup_error("backslashreplace") namereplace_errors = lookup_error("namereplace") except LookupError: # In --disable-unicode builds, these error handler are missing strict_errors = None ignore_errors = None replace_errors = None xmlcharrefreplace_errors = None backslashreplace_errors = None namereplace_errors = None # Tell modulefinder that using codecs probably needs the encodings # package _false = 0 if _false: import encodings
Save
cmd:
run