add (overwrite with) mypy stubs, if available

stdlib/2.7/codecs.pyi

@@ -0,0 +1,165 @@
+# Stubs for codecs (Python 2)
+#
+# NOTE: This dynamically typed stub was automatically generated by stubgen.
+
+from typing import Any
+
+BOM_UTF8 = ... # type: Any
+BOM_LE = ... # type: Any
+BOM_BE = ... # type: Any
+BOM_UTF32_LE = ... # type: Any
+BOM_UTF32_BE = ... # type: Any
+BOM = ... # type: Any
+BOM_UTF32 = ... # type: Any
+BOM32_LE = ... # type: Any
+BOM32_BE = ... # type: Any
+BOM64_LE = ... # type: Any
+BOM64_BE = ... # type: Any
+
+class CodecInfo(tuple):
+    name = ... # type: Any
+    encode = ... # type: Any
+    decode = ... # type: Any
+    incrementalencoder = ... # type: Any
+    incrementaldecoder = ... # type: Any
+    streamwriter = ... # type: Any
+    streamreader = ... # type: Any
+    def __new__(cls, encode, decode, streamreader=None, streamwriter=None, incrementalencoder=None, incrementaldecoder=None, name=None): ...
+
+class Codec:
+    def encode(self, input, errors=''): ...
+    def decode(self, input, errors=''): ...
+
+class IncrementalEncoder:
+    errors = ... # type: Any
+    buffer = ... # type: Any
+    def __init__(self, errors=''): ...
+    def encode(self, input, final=False): ...
+    def reset(self): ...
+    def getstate(self): ...
+    def setstate(self, state): ...
+
+class BufferedIncrementalEncoder(IncrementalEncoder):
+    buffer = ... # type: Any
+    def __init__(self, errors=''): ...
+    def encode(self, input, final=False): ...
+    def reset(self): ...
+    def getstate(self): ...
+    def setstate(self, state): ...
+
+class IncrementalDecoder:
+    errors = ... # type: Any
+    def __init__(self, errors=''): ...
+    def decode(self, input, final=False): ...
+    def reset(self): ...
+    def getstate(self): ...
+    def setstate(self, state): ...
+
+class BufferedIncrementalDecoder(IncrementalDecoder):
+    buffer = ... # type: Any
+    def __init__(self, errors=''): ...
+    def decode(self, input, final=False): ...
+    def reset(self): ...
+    def getstate(self): ...
+    def setstate(self, state): ...
+
+class StreamWriter(Codec):
+    stream = ... # type: Any
+    errors = ... # type: Any
+    def __init__(self, stream, errors=''): ...
+    def write(self, object): ...
+    def writelines(self, list): ...
+    def reset(self): ...
+    def seek(self, offset, whence=0): ...
+    def __getattr__(self, name, getattr=...): ...
+    def __enter__(self): ...
+    def __exit__(self, type, value, tb): ...
+
+class StreamReader(Codec):
+    stream = ... # type: Any
+    errors = ... # type: Any
+    bytebuffer = ... # type: Any
+    charbuffer = ... # type: Any
+    linebuffer = ... # type: Any
+    def __init__(self, stream, errors=''): ...
+    def decode(self, input, errors=''): ...
+    def read(self, size=-1, chars=-1, firstline=False): ...
+    def readline(self, size=None, keepends=True): ...
+    def readlines(self, sizehint=None, keepends=True): ...
+    def reset(self): ...
+    def seek(self, offset, whence=0): ...
+    def next(self): ...
+    def __iter__(self): ...
+    def __getattr__(self, name, getattr=...): ...
+    def __enter__(self): ...
+    def __exit__(self, type, value, tb): ...
+
+class StreamReaderWriter:
+    encoding = ... # type: Any
+    stream = ... # type: Any
+    reader = ... # type: Any
+    writer = ... # type: Any
+    errors = ... # type: Any
+    def __init__(self, stream, Reader, Writer, errors=''): ...
+    def read(self, size=-1): ...
+    def readline(self, size=None): ...
+    def readlines(self, sizehint=None): ...
+    def next(self): ...
+    def __iter__(self): ...
+    def write(self, data): ...
+    def writelines(self, list): ...
+    def reset(self): ...
+    def seek(self, offset, whence=0): ...
+    def __getattr__(self, name, getattr=...): ...
+    def __enter__(self): ...
+    def __exit__(self, type, value, tb): ...
+
+class StreamRecoder:
+    data_encoding = ... # type: Any
+    file_encoding = ... # type: Any
+    stream = ... # type: Any
+    encode = ... # type: Any
+    decode = ... # type: Any
+    reader = ... # type: Any
+    writer = ... # type: Any
+    errors = ... # type: Any
+    def __init__(self, stream, encode, decode, Reader, Writer, errors=''): ...
+    def read(self, size=-1): ...
+    def readline(self, size=None): ...
+    def readlines(self, sizehint=None): ...
+    def next(self): ...
+    def __iter__(self): ...
+    def write(self, data): ...
+    def writelines(self, list): ...
+    def reset(self): ...
+    def __getattr__(self, name, getattr=...): ...
+    def __enter__(self): ...
+    def __exit__(self, type, value, tb): ...
+
+def open(filename, mode='', encoding=None, errors='', buffering=1): ...
+def EncodedFile(file, data_encoding, file_encoding=None, errors=''): ...
+def getencoder(encoding): ...
+def getdecoder(encoding): ...
+def getincrementalencoder(encoding): ...
+def getincrementaldecoder(encoding): ...
+def getreader(encoding): ...
+def getwriter(encoding): ...
+def iterencode(iterator, encoding, errors='', **kwargs): ...
+def iterdecode(iterator, encoding, errors='', **kwargs): ...
+
+strict_errors = ... # type: Any
+ignore_errors = ... # type: Any
+replace_errors = ... # type: Any
+xmlcharrefreplace_errors = ... # type: Any
+backslashreplace_errors = ... # type: Any
+
+# Names in __all__ with no definition:
+#   BOM_UTF16
+#   BOM_UTF16_BE
+#   BOM_UTF16_LE
+#   decode
+#   encode
+#   lookup
+#   lookup_error
+#   register
+#   register_error