Lines Matching defs:encoding

43 def text_encoding(encoding, stacklevel=2):
45     A helper function to choose the text encoding.
47     When encoding is not None, this function returns it.
48     Otherwise, this function returns the default text encoding
51     This function emits an EncodingWarning if *encoding* is None and
54     This can be used in APIs with an encoding=None parameter
56     However, please consider using encoding="utf-8" for new APIs.
58     if encoding is None:
60             encoding = "utf-8"
62             encoding = "locale"
65             warnings.warn("'encoding' argument not specified.",
67     return encoding
77 def open(file, mode="r", buffering=-1, encoding=None, errors=None,
93     file regardless of the current seek position). In text mode, if encoding is
94     not specified the encoding used is platform dependent. (For reading and
95     writing raw bytes use binary mode and leave encoding unspecified.) The
121     platform-dependent encoding or using the specified encoding if given.
138     encoding is the str name of the encoding used to decode or encode the
139     file. This should only be used in text mode. The default encoding is
140     platform dependent, but any encoding supported by Python can be
143     errors is an optional string that specifies how encoding errors are to
145     'strict' to raise a ValueError exception if there is an encoding error
147     errors. (Note that ignoring encoding errors can lead to data loss.)
149     encoding error strings.
203     if encoding is not None and not isinstance(encoding, str):
204         raise TypeError("invalid encoding: %r" % encoding)
223     if binary and encoding is not None:
224         raise ValueError("binary mode doesn't take an encoding argument")
273         encoding = text_encoding(encoding)
274         text = TextIOWrapper(buffer, encoding, errors, newline, line_buffering)
1877     def encoding(self):
1990     encoding gives the name of the encoding that the stream will be
1993     errors determines the strictness of encoding and decoding (see the
2019     def __init__(self, buffer, encoding=None, errors=None, newline=None,
2022         encoding = text_encoding(encoding)
2024         if encoding == "locale":
2025             encoding = self._get_locale_encoding()
2027         if not isinstance(encoding, str):
2028             raise ValueError("invalid encoding: %r" % encoding)
2030         if not codecs.lookup(encoding)._is_text_encoding:
2031             msg = ("%r is not a text encoding; "
2033             raise LookupError(msg % encoding)
2049         self._configure(encoding, errors, newline,
2058     def _configure(self, encoding=None, errors=None, newline=None,
2060         self._encoding = encoding
2109         return result + " encoding={0!r}>".format(self.encoding)
2112     def encoding(self):
2132                     encoding=None, errors=None, newline=Ellipsis,
2139                 and (encoding is not None or errors is not None
2142                 "It is not possible to set the encoding or newline of stream "
2146             if encoding is None:
2153         if encoding is None:
2154             encoding = self._encoding
2156             if not isinstance(encoding, str):
2157                 raise TypeError("invalid encoding: %r" % encoding)
2158             if encoding == "locale":
2159                 encoding = self._get_locale_encoding()
2171         self._configure(encoding, errors, newline,
2670                                        encoding="utf-8",
2695         # TextIOWrapper tells the encoding in its repr. In StringIO,
2704     def encoding(self):