Issue 2918: Merge StringIO and cStringIO.
This commit is contained in:
Alexandre Vassalotti
parent
502d89ed15
commit
794652dd06
288
Lib/io.py
288
Lib/io.py
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@ -1769,20 +1769,20 @@ class TextIOWrapper(TextIOBase):
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def newlines(self):
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return self._decoder.newlines if self._decoder else None
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class StringIO(TextIOWrapper):
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"""An in-memory stream for text. The initial_value argument sets the
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value of object. The other arguments are like those of TextIOWrapper's
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constructor.
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class _StringIO(TextIOWrapper):
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"""Text I/O implementation using an in-memory buffer.
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The initial_value argument sets the value of object. The newline
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argument is like the one of TextIOWrapper's constructor.
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"""
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# XXX This is really slow, but fully functional
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def __init__(self, initial_value="", encoding="utf-8",
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errors="strict", newline="\n"):
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super(StringIO, self).__init__(BytesIO(),
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encoding=encoding,
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errors=errors,
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newline=newline)
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def __init__(self, initial_value="", newline="\n"):
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super(_StringIO, self).__init__(BytesIO(),
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encoding="utf-8",
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errors="strict",
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newline=newline)
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if initial_value:
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if not isinstance(initial_value, str):
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initial_value = str(initial_value)
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@ -1792,3 +1792,271 @@ class StringIO(TextIOWrapper):
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def getvalue(self):
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self.flush()
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return self.buffer.getvalue().decode(self._encoding, self._errors)
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try:
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import _stringio
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# This subclass is a reimplementation of the TextIOWrapper
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# interface without any of its text decoding facilities. All the
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# stored data is manipulated with the efficient
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# _stringio._StringIO extension type. Also, the newline decoding
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# mechanism of IncrementalNewlineDecoder is reimplemented here for
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# efficiency. Doing otherwise, would require us to implement a
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# fake decoder which would add an additional and unnecessary layer
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# on top of the _StringIO methods.
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class StringIO(_stringio._StringIO, TextIOBase):
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"""Text I/O implementation using an in-memory buffer.
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The initial_value argument sets the value of object. The newline
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argument is like the one of TextIOWrapper's constructor.
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"""
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_CHUNK_SIZE = 4096
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def __init__(self, initial_value="", newline="\n"):
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if newline not in (None, "", "\n", "\r", "\r\n"):
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raise ValueError("illegal newline value: %r" % (newline,))
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self._readuniversal = not newline
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self._readtranslate = newline is None
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self._readnl = newline
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self._writetranslate = newline != ""
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self._writenl = newline or os.linesep
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self._pending = ""
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self._seennl = 0
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# Reset the buffer first, in case __init__ is called
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# multiple times.
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self.truncate(0)
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if initial_value is None:
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initial_value = ""
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self.write(initial_value)
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self.seek(0)
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@property
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def buffer(self):
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raise UnsupportedOperation("%s.buffer attribute is unsupported" %
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self.__class__.__name__)
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def _decode_newlines(self, input, final=False):
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# decode input (with the eventual \r from a previous pass)
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if self._pending:
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input = self._pending + input
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# retain last \r even when not translating data:
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# then readline() is sure to get \r\n in one pass
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if input.endswith("\r") and not final:
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input = input[:-1]
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self._pending = "\r"
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else:
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self._pending = ""
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# Record which newlines are read
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crlf = input.count('\r\n')
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cr = input.count('\r') - crlf
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lf = input.count('\n') - crlf
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self._seennl |= (lf and self._LF) | (cr and self._CR) \
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| (crlf and self._CRLF)
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if self._readtranslate:
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if crlf:
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output = input.replace("\r\n", "\n")
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if cr:
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output = input.replace("\r", "\n")
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else:
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output = input
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return output
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def writable(self):
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return True
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def readable(self):
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return True
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def seekable(self):
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return True
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_read = _stringio._StringIO.read
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_write = _stringio._StringIO.write
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_tell = _stringio._StringIO.tell
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_seek = _stringio._StringIO.seek
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_truncate = _stringio._StringIO.truncate
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_getvalue = _stringio._StringIO.getvalue
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def getvalue(self) -> str:
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"""Retrieve the entire contents of the object."""
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if self.closed:
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raise ValueError("read on closed file")
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return self._getvalue()
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def write(self, s: str) -> int:
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"""Write string s to file.
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Returns the number of characters written.
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"""
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if self.closed:
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raise ValueError("write to closed file")
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if not isinstance(s, str):
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raise TypeError("can't write %s to text stream" %
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s.__class__.__name__)
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length = len(s)
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if self._writetranslate and self._writenl != "\n":
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s = s.replace("\n", self._writenl)
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self._pending = ""
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self._write(s)
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return length
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def read(self, n: int = None) -> str:
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"""Read at most n characters, returned as a string.
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If the argument is negative or omitted, read until EOF
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is reached. Return an empty string at EOF.
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"""
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if self.closed:
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raise ValueError("read to closed file")
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if n is None:
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n = -1
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res = self._pending
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if n < 0:
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res += self._decode_newlines(self._read(), True)
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self._pending = ""
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return res
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else:
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res = self._decode_newlines(self._read(n), True)
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self._pending = res[n:]
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return res[:n]
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def tell(self) -> int:
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"""Tell the current file position."""
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if self.closed:
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raise ValueError("tell from closed file")
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if self._pending:
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return self._tell() - len(self._pending)
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else:
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return self._tell()
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def seek(self, pos: int = None, whence: int = 0) -> int:
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"""Change stream position.
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Seek to character offset pos relative to position indicated by whence:
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0 Start of stream (the default). pos should be >= 0;
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1 Current position - pos must be 0;
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2 End of stream - pos must be 0.
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Returns the new absolute position.
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"""
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if self.closed:
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raise ValueError("seek from closed file")
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self._pending = ""
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return self._seek(pos, whence)
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def truncate(self, pos: int = None) -> int:
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"""Truncate size to pos.
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The pos argument defaults to the current file position, as
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returned by tell(). Imply an absolute seek to pos.
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Returns the new absolute position.
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"""
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if self.closed:
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raise ValueError("truncate from closed file")
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self._pending = ""
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return self._truncate(pos)
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def readline(self, limit: int = None) -> str:
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if self.closed:
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raise ValueError("read from closed file")
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if limit is None:
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limit = -1
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if limit >= 0:
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# XXX: Hack to support limit argument, for backwards
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# XXX compatibility
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line = self.readline()
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if len(line) <= limit:
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return line
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line, self._pending = line[:limit], line[limit:] + self._pending
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return line
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line = self._pending
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self._pending = ""
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start = 0
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pos = endpos = None
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while True:
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if self._readtranslate:
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# Newlines are already translated, only search for \n
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pos = line.find('\n', start)
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if pos >= 0:
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endpos = pos + 1
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break
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else:
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start = len(line)
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elif self._readuniversal:
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# Universal newline search. Find any of \r, \r\n, \n
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# The decoder ensures that \r\n are not split in two pieces
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# In C we'd look for these in parallel of course.
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nlpos = line.find("\n", start)
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crpos = line.find("\r", start)
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if crpos == -1:
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if nlpos == -1:
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# Nothing found
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start = len(line)
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else:
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# Found \n
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endpos = nlpos + 1
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break
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elif nlpos == -1:
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# Found lone \r
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endpos = crpos + 1
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break
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elif nlpos < crpos:
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# Found \n
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endpos = nlpos + 1
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break
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elif nlpos == crpos + 1:
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# Found \r\n
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endpos = crpos + 2
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break
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else:
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# Found \r
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endpos = crpos + 1
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break
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else:
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# non-universal
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pos = line.find(self._readnl)
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if pos >= 0:
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endpos = pos + len(self._readnl)
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break
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# No line ending seen yet - get more data
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more_line = self.read(self._CHUNK_SIZE)
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if more_line:
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line += more_line
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else:
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# end of file
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return line
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self._pending = line[endpos:]
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return line[:endpos]
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_LF = 1
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_CR = 2
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_CRLF = 4
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@property
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def newlines(self):
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return (None,
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"\n",
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"\r",
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("\r", "\n"),
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"\r\n",
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("\n", "\r\n"),
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("\r", "\r\n"),
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("\r", "\n", "\r\n")
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)[self._seennl]
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except ImportError:
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StringIO = _StringIO
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@ -10,7 +10,7 @@ import io
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import sys
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try:
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import _bytesio
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import _bytesio, _stringio
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has_c_implementation = True
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except ImportError:
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has_c_implementation = False
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@ -373,7 +373,7 @@ class PyBytesIOTest(MemoryTestMixin, unittest.TestCase):
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class PyStringIOTest(MemoryTestMixin, unittest.TestCase):
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buftype = str
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ioclass = io.StringIO
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ioclass = io._StringIO
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EOF = ""
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def test_relative_seek(self):
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@ -404,10 +404,14 @@ if has_c_implementation:
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class CBytesIOTest(PyBytesIOTest):
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ioclass = io.BytesIO
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class CStringIOTest(PyStringIOTest):
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ioclass = io.StringIO
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def test_main():
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tests = [PyBytesIOTest, PyStringIOTest]
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if has_c_implementation:
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tests.extend([CBytesIOTest])
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tests.extend([CBytesIOTest, CStringIOTest])
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support.run_unittest(*tests)
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if __name__ == '__main__':
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@ -3,7 +3,6 @@
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import os
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import sys
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import pickle
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from io import StringIO
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from test.support import verbose, run_unittest, TestSkipped
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import unittest
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@ -80,7 +79,7 @@ class MinidomTest(unittest.TestCase):
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self.confirm(t == s, "looking for %s, found %s" % (repr(s), repr(t)))
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def testParseFromFile(self):
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dom = parse(StringIO(open(tstfile).read()))
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dom = parse(open(tstfile))
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dom.unlink()
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self.confirm(isinstance(dom, Document))
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@ -17,6 +17,32 @@ encodedtext = b"""\
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M5&AE('-M;V]T:\"US8V%L960@<'ET:&]N(&-R97!T(&]V97(@=&AE('-L965P
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(:6YG(&1O9PH """
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# Stolen from io.py
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class FakeIO(io.TextIOWrapper):
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"""Text I/O implementation using an in-memory buffer.
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Can be a used as a drop-in replacement for sys.stdin and sys.stdout.
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"""
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# XXX This is really slow, but fully functional
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def __init__(self, initial_value="", encoding="utf-8",
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errors="strict", newline="\n"):
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super(FakeIO, self).__init__(io.BytesIO(),
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encoding=encoding,
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errors=errors,
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newline=newline)
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if initial_value:
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if not isinstance(initial_value, str):
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initial_value = str(initial_value)
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self.write(initial_value)
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self.seek(0)
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def getvalue(self):
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self.flush()
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return self.buffer.getvalue().decode(self._encoding, self._errors)
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def encodedtextwrapped(mode, filename):
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return (bytes("begin %03o %s\n" % (mode, filename), "ascii") +
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encodedtext + b"\n \nend\n")
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@ -76,15 +102,15 @@ class UUStdIOTest(unittest.TestCase):
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sys.stdout = self.stdout
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def test_encode(self):
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sys.stdin = io.StringIO(plaintext.decode("ascii"))
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sys.stdout = io.StringIO()
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sys.stdin = FakeIO(plaintext.decode("ascii"))
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sys.stdout = FakeIO()
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uu.encode("-", "-", "t1", 0o666)
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self.assertEqual(sys.stdout.getvalue(),
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encodedtextwrapped(0o666, "t1").decode("ascii"))
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def test_decode(self):
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sys.stdin = io.StringIO(encodedtextwrapped(0o666, "t1").decode("ascii"))
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sys.stdout = io.StringIO()
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sys.stdin = FakeIO(encodedtextwrapped(0o666, "t1").decode("ascii"))
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sys.stdout = FakeIO()
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uu.decode("-", "-")
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stdout = sys.stdout
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sys.stdout = self.stdout
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@ -14,6 +14,7 @@ Todo:
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* SAX 2 namespaces
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"""
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import codecs
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import io
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import xml.dom
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@ -49,16 +50,16 @@ class Node(xml.dom.Node):
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# indent = the indentation string to prepend, per level
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# newl = the newline string to append
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use_encoding = "utf-8" if encoding is None else encoding
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writer = io.StringIO(encoding=use_encoding)
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writer = codecs.getwriter(use_encoding)(io.BytesIO())
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if self.nodeType == Node.DOCUMENT_NODE:
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# Can pass encoding only to document, to put it into XML header
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self.writexml(writer, "", indent, newl, encoding)
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else:
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self.writexml(writer, "", indent, newl)
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if encoding is None:
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return writer.getvalue()
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return writer.stream.getvalue().decode(use_encoding)
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else:
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return writer.buffer.getvalue()
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return writer.stream.getvalue()
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def hasChildNodes(self):
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if self.childNodes:
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@ -78,6 +78,8 @@ Extension Modules
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Library
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-------
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- Added C optimized implementation of io.StringIO.
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- The ``pickle`` module is now automatically use an optimized C
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implementation of Pickler and Unpickler when available. The
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``cPickle`` module is no longer needed.
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@ -0,0 +1,379 @@
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#include "Python.h"
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/* This module is a stripped down version of _bytesio.c with a Py_UNICODE
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buffer. Most of the functionality is provided by subclassing _StringIO. */
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typedef struct {
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PyObject_HEAD
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Py_UNICODE *buf;
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Py_ssize_t pos;
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Py_ssize_t string_size;
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size_t buf_size;
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} StringIOObject;
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/* Internal routine for changing the size, in terms of characters, of the
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buffer of StringIO objects. The caller should ensure that the 'size'
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argument is non-negative. Returns 0 on success, -1 otherwise. */
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static int
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resize_buffer(StringIOObject *self, size_t size)
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{
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/* Here, unsigned types are used to avoid dealing with signed integer
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overflow, which is undefined in C. */
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size_t alloc = self->buf_size;
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Py_UNICODE *new_buf = NULL;
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assert(self->buf != NULL);
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/* For simplicity, stay in the range of the signed type. Anyway, Python
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doesn't allow strings to be longer than this. */
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if (size > PY_SSIZE_T_MAX)
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goto overflow;
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if (size < alloc / 2) {
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/* Major downsize; resize down to exact size. */
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alloc = size + 1;
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}
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else if (size < alloc) {
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/* Within allocated size; quick exit */
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return 0;
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}
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else if (size <= alloc * 1.125) {
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/* Moderate upsize; overallocate similar to list_resize() */
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alloc = size + (size >> 3) + (size < 9 ? 3 : 6);
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}
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else {
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/* Major upsize; resize up to exact size */
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alloc = size + 1;
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}
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|
||||
if (alloc > ((size_t)-1) / sizeof(Py_UNICODE))
|
||||
goto overflow;
|
||||
new_buf = (Py_UNICODE *)PyMem_Realloc(self->buf,
|
||||
alloc * sizeof(Py_UNICODE));
|
||||
if (new_buf == NULL) {
|
||||
PyErr_NoMemory();
|
||||
return -1;
|
||||
}
|
||||
self->buf_size = alloc;
|
||||
self->buf = new_buf;
|
||||
|
||||
return 0;
|
||||
|
||||
overflow:
|
||||
PyErr_SetString(PyExc_OverflowError,
|
||||
"new buffer size too large");
|
||||
return -1;
|
||||
}
|
||||
|
||||
/* Internal routine for writing a string of characters to the buffer of a
|
||||
StringIO object. Returns the number of bytes wrote, or -1 on error. */
|
||||
static Py_ssize_t
|
||||
write_str(StringIOObject *self, const Py_UNICODE *str, Py_ssize_t len)
|
||||
{
|
||||
assert(self->buf != NULL);
|
||||
assert(self->pos >= 0);
|
||||
assert(len >= 0);
|
||||
|
||||
/* This overflow check is not strictly necessary. However, it avoids us to
|
||||
deal with funky things like comparing an unsigned and a signed
|
||||
integer. */
|
||||
if (self->pos > PY_SSIZE_T_MAX - len) {
|
||||
PyErr_SetString(PyExc_OverflowError,
|
||||
"new position too large");
|
||||
return -1;
|
||||
}
|
||||
if (self->pos + len > self->string_size) {
|
||||
if (resize_buffer(self, self->pos + len) < 0)
|
||||
return -1;
|
||||
}
|
||||
|
||||
if (self->pos > self->string_size) {
|
||||
/* In case of overseek, pad with null bytes the buffer region between
|
||||
the end of stream and the current position.
|
||||
|
||||
0 lo string_size hi
|
||||
| |<---used--->|<----------available----------->|
|
||||
| | <--to pad-->|<---to write---> |
|
||||
0 buf positon
|
||||
|
||||
*/
|
||||
memset(self->buf + self->string_size, '\0',
|
||||
(self->pos - self->string_size) * sizeof(Py_UNICODE));
|
||||
}
|
||||
|
||||
/* Copy the data to the internal buffer, overwriting some of the
|
||||
existing data if self->pos < self->string_size. */
|
||||
memcpy(self->buf + self->pos, str, len * sizeof(Py_UNICODE));
|
||||
self->pos += len;
|
||||
|
||||
/* Set the new length of the internal string if it has changed */
|
||||
if (self->string_size < self->pos) {
|
||||
self->string_size = self->pos;
|
||||
}
|
||||
|
||||
return len;
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_getvalue(StringIOObject *self)
|
||||
{
|
||||
return PyUnicode_FromUnicode(self->buf, self->string_size);
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_tell(StringIOObject *self)
|
||||
{
|
||||
return PyLong_FromSsize_t(self->pos);
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_read(StringIOObject *self, PyObject *args)
|
||||
{
|
||||
Py_ssize_t size, n;
|
||||
Py_UNICODE *output;
|
||||
PyObject *arg = Py_None;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "|O:read", &arg))
|
||||
return NULL;
|
||||
|
||||
if (PyLong_Check(arg)) {
|
||||
size = PyLong_AsSsize_t(arg);
|
||||
}
|
||||
else if (arg == Py_None) {
|
||||
/* Read until EOF is reached, by default. */
|
||||
size = -1;
|
||||
}
|
||||
else {
|
||||
PyErr_Format(PyExc_TypeError, "integer argument expected, got '%s'",
|
||||
Py_TYPE(arg)->tp_name);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* adjust invalid sizes */
|
||||
n = self->string_size - self->pos;
|
||||
if (size < 0 || size > n) {
|
||||
size = n;
|
||||
if (size < 0)
|
||||
size = 0;
|
||||
}
|
||||
|
||||
assert(self->buf != NULL);
|
||||
output = self->buf + self->pos;
|
||||
self->pos += size;
|
||||
|
||||
return PyUnicode_FromUnicode(output, size);
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_truncate(StringIOObject *self, PyObject *args)
|
||||
{
|
||||
Py_ssize_t size;
|
||||
PyObject *arg = Py_None;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "|O:truncate", &arg))
|
||||
return NULL;
|
||||
|
||||
if (PyLong_Check(arg)) {
|
||||
size = PyLong_AsSsize_t(arg);
|
||||
}
|
||||
else if (arg == Py_None) {
|
||||
/* Truncate to current position if no argument is passed. */
|
||||
size = self->pos;
|
||||
}
|
||||
else {
|
||||
PyErr_Format(PyExc_TypeError, "integer argument expected, got '%s'",
|
||||
Py_TYPE(arg)->tp_name);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (size < 0) {
|
||||
PyErr_Format(PyExc_ValueError,
|
||||
"Negative size value %zd", size);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (size < self->string_size) {
|
||||
self->string_size = size;
|
||||
if (resize_buffer(self, size) < 0)
|
||||
return NULL;
|
||||
}
|
||||
self->pos = size;
|
||||
|
||||
return PyLong_FromSsize_t(size);
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_seek(StringIOObject *self, PyObject *args)
|
||||
{
|
||||
Py_ssize_t pos;
|
||||
int mode = 0;
|
||||
|
||||
if (!PyArg_ParseTuple(args, "n|i:seek", &pos, &mode))
|
||||
return NULL;
|
||||
|
||||
if (mode != 0 && mode != 1 && mode != 2) {
|
||||
PyErr_Format(PyExc_ValueError,
|
||||
"Invalid whence (%i, should be 0, 1 or 2)", mode);
|
||||
return NULL;
|
||||
}
|
||||
else if (pos < 0 && mode == 0) {
|
||||
PyErr_Format(PyExc_ValueError,
|
||||
"Negative seek position %zd", pos);
|
||||
return NULL;
|
||||
}
|
||||
else if (mode != 0 && pos != 0) {
|
||||
PyErr_SetString(PyExc_IOError,
|
||||
"Can't do nonzero cur-relative seeks");
|
||||
return NULL;
|
||||
}
|
||||
|
||||
/* mode 0: offset relative to beginning of the string.
|
||||
mode 1: no change to current position.
|
||||
mode 2: change position to end of file. */
|
||||
if (mode == 1) {
|
||||
pos = self->pos;
|
||||
}
|
||||
else if (mode == 2) {
|
||||
pos = self->string_size;
|
||||
}
|
||||
|
||||
self->pos = pos;
|
||||
|
||||
return PyLong_FromSsize_t(self->pos);
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_write(StringIOObject *self, PyObject *obj)
|
||||
{
|
||||
const Py_UNICODE *str;
|
||||
Py_ssize_t size;
|
||||
Py_ssize_t n = 0;
|
||||
|
||||
if (PyUnicode_Check(obj)) {
|
||||
str = PyUnicode_AsUnicode(obj);
|
||||
size = PyUnicode_GetSize(obj);
|
||||
}
|
||||
else {
|
||||
PyErr_Format(PyExc_TypeError, "string argument expected, got '%s'",
|
||||
Py_TYPE(obj)->tp_name);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
if (size != 0) {
|
||||
n = write_str(self, str, size);
|
||||
if (n < 0)
|
||||
return NULL;
|
||||
}
|
||||
|
||||
return PyLong_FromSsize_t(n);
|
||||
}
|
||||
|
||||
static void
|
||||
stringio_dealloc(StringIOObject *self)
|
||||
{
|
||||
PyMem_Free(self->buf);
|
||||
Py_TYPE(self)->tp_free(self);
|
||||
}
|
||||
|
||||
static PyObject *
|
||||
stringio_new(PyTypeObject *type, PyObject *args, PyObject *kwds)
|
||||
{
|
||||
StringIOObject *self;
|
||||
|
||||
assert(type != NULL && type->tp_alloc != NULL);
|
||||
self = (StringIOObject *)type->tp_alloc(type, 0);
|
||||
if (self == NULL)
|
||||
return NULL;
|
||||
|
||||
self->string_size = 0;
|
||||
self->pos = 0;
|
||||
self->buf_size = 0;
|
||||
self->buf = (Py_UNICODE *)PyMem_Malloc(0);
|
||||
if (self->buf == NULL) {
|
||||
Py_DECREF(self);
|
||||
return PyErr_NoMemory();
|
||||
}
|
||||
|
||||
return (PyObject *)self;
|
||||
}
|
||||
|
||||
static struct PyMethodDef stringio_methods[] = {
|
||||
{"getvalue", (PyCFunction)stringio_getvalue, METH_VARARGS, NULL},
|
||||
{"read", (PyCFunction)stringio_read, METH_VARARGS, NULL},
|
||||
{"tell", (PyCFunction)stringio_tell, METH_NOARGS, NULL},
|
||||
{"truncate", (PyCFunction)stringio_truncate, METH_VARARGS, NULL},
|
||||
{"seek", (PyCFunction)stringio_seek, METH_VARARGS, NULL},
|
||||
{"write", (PyCFunction)stringio_write, METH_O, NULL},
|
||||
{NULL, NULL} /* sentinel */
|
||||
};
|
||||
|
||||
static PyTypeObject StringIO_Type = {
|
||||
PyVarObject_HEAD_INIT(NULL, 0)
|
||||
"_stringio._StringIO", /*tp_name*/
|
||||
sizeof(StringIOObject), /*tp_basicsize*/
|
||||
0, /*tp_itemsize*/
|
||||
(destructor)stringio_dealloc, /*tp_dealloc*/
|
||||
0, /*tp_print*/
|
||||
0, /*tp_getattr*/
|
||||
0, /*tp_setattr*/
|
||||
0, /*tp_compare*/
|
||||
0, /*tp_repr*/
|
||||
0, /*tp_as_number*/
|
||||
0, /*tp_as_sequence*/
|
||||
0, /*tp_as_mapping*/
|
||||
0, /*tp_hash*/
|
||||
0, /*tp_call*/
|
||||
0, /*tp_str*/
|
||||
0, /*tp_getattro*/
|
||||
0, /*tp_setattro*/
|
||||
0, /*tp_as_buffer*/
|
||||
Py_TPFLAGS_DEFAULT | Py_TPFLAGS_BASETYPE, /*tp_flags*/
|
||||
0, /*tp_doc*/
|
||||
0, /*tp_traverse*/
|
||||
0, /*tp_clear*/
|
||||
0, /*tp_richcompare*/
|
||||
0, /*tp_weaklistoffset*/
|
||||
0, /*tp_iter*/
|
||||
0, /*tp_iternext*/
|
||||
stringio_methods, /*tp_methods*/
|
||||
0, /*tp_members*/
|
||||
0, /*tp_getset*/
|
||||
0, /*tp_base*/
|
||||
0, /*tp_dict*/
|
||||
0, /*tp_descr_get*/
|
||||
0, /*tp_descr_set*/
|
||||
0, /*tp_dictoffset*/
|
||||
0, /*tp_init*/
|
||||
0, /*tp_alloc*/
|
||||
stringio_new, /*tp_new*/
|
||||
};
|
||||
|
||||
static struct PyModuleDef _stringiomodule = {
|
||||
PyModuleDef_HEAD_INIT,
|
||||
"_stringio",
|
||||
NULL,
|
||||
-1,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL
|
||||
};
|
||||
|
||||
PyMODINIT_FUNC
|
||||
PyInit__stringio(void)
|
||||
{
|
||||
PyObject *m;
|
||||
|
||||
if (PyType_Ready(&StringIO_Type) < 0)
|
||||
return NULL;
|
||||
m = PyModule_Create(&_stringiomodule);
|
||||
if (m == NULL)
|
||||
return NULL;
|
||||
Py_INCREF(&StringIO_Type);
|
||||
if (PyModule_AddObject(m, "_StringIO", (PyObject *)&StringIO_Type) < 0)
|
||||
return NULL;
|
||||
return m;
|
||||
}
|
||||
1
setup.py
1
setup.py
|
|
@ -422,6 +422,7 @@ class PyBuildExt(build_ext):
|
|||
exts.append( Extension("_functools", ["_functoolsmodule.c"]) )
|
||||
# Memory-based IO accelerator modules
|
||||
exts.append( Extension("_bytesio", ["_bytesio.c"]) )
|
||||
exts.append( Extension("_stringio", ["_stringio.c"]) )
|
||||
# C-optimized pickle replacement
|
||||
exts.append( Extension("_pickle", ["_pickle.c"]) )
|
||||
# atexit
|
||||
|
|
|
|||
Loading…
Reference in New Issue