RustPython · youknowone · Jun 13, 2023 · Jun 11, 2023 · Jun 11, 2023 · Jun 11, 2023
diff --git a/Lib/aifc.py b/Lib/aifc.py
@@ -138,7 +138,11 @@
 import builtins
 import warnings
 
-__all__ = ["Error", "open", "openfp"]
+__all__ = ["Error", "open"]
+
+
+warnings._deprecated(__name__, remove=(3, 13))
+
 
 class Error(Exception):
     pass
@@ -251,7 +255,9 @@ def _write_float(f, x):
     _write_ulong(f, himant)
     _write_ulong(f, lomant)
 
-from chunk import Chunk
+with warnings.catch_warnings():
+    warnings.simplefilter("ignore", DeprecationWarning)
+    from chunk import Chunk
 from collections import namedtuple
 
 _aifc_params = namedtuple('_aifc_params',
@@ -447,21 +453,33 @@ def readframes(self, nframes):
     #
 
     def _alaw2lin(self, data):
-        import audioop
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
         return audioop.alaw2lin(data, 2)
 
     def _ulaw2lin(self, data):
-        import audioop
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
         return audioop.ulaw2lin(data, 2)
 
     def _adpcm2lin(self, data):
-        import audioop
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
         if not hasattr(self, '_adpcmstate'):
             # first time
             self._adpcmstate = None
         data, self._adpcmstate = audioop.adpcm2lin(data, 2, self._adpcmstate)
         return data
 
+    def _sowt2lin(self, data):
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
+        return audioop.byteswap(data, 2)
+
     def _read_comm_chunk(self, chunk):
         self._nchannels = _read_short(chunk)
         self._nframes = _read_long(chunk)
@@ -497,6 +515,8 @@ def _read_comm_chunk(self, chunk):
                     self._convert = self._ulaw2lin
                 elif self._comptype in (b'alaw', b'ALAW'):
                     self._convert = self._alaw2lin
+                elif self._comptype in (b'sowt', b'SOWT'):
+                    self._convert = self._sowt2lin
                 else:
                     raise Error('unsupported compression type')
                 self._sampwidth = 2
@@ -659,7 +679,7 @@ def setcomptype(self, comptype, compname):
         if self._nframeswritten:
             raise Error('cannot change parameters after starting to write')
         if comptype not in (b'NONE', b'ulaw', b'ULAW',
-                            b'alaw', b'ALAW', b'G722'):
+                            b'alaw', b'ALAW', b'G722', b'sowt', b'SOWT'):
             raise Error('unsupported compression type')
         self._comptype = comptype
         self._compname = compname
@@ -680,7 +700,7 @@ def setparams(self, params):
         if self._nframeswritten:
             raise Error('cannot change parameters after starting to write')
         if comptype not in (b'NONE', b'ulaw', b'ULAW',
-                            b'alaw', b'ALAW', b'G722'):
+                            b'alaw', b'ALAW', b'G722', b'sowt', b'SOWT'):
             raise Error('unsupported compression type')
         self.setnchannels(nchannels)
         self.setsampwidth(sampwidth)
@@ -764,28 +784,43 @@ def close(self):
     #
 
     def _lin2alaw(self, data):
-        import audioop
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
         return audioop.lin2alaw(data, 2)
 
     def _lin2ulaw(self, data):
-        import audioop
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
         return audioop.lin2ulaw(data, 2)
 
     def _lin2adpcm(self, data):
-        import audioop
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
         if not hasattr(self, '_adpcmstate'):
             self._adpcmstate = None
         data, self._adpcmstate = audioop.lin2adpcm(data, 2, self._adpcmstate)
         return data
 
+    def _lin2sowt(self, data):
+        with warnings.catch_warnings():
+            warnings.simplefilter('ignore', category=DeprecationWarning)
+            import audioop
+        return audioop.byteswap(data, 2)
+
     def _ensure_header_written(self, datasize):
         if not self._nframeswritten:
-            if self._comptype in (b'ULAW', b'ulaw', b'ALAW', b'alaw', b'G722'):
+            if self._comptype in (b'ULAW', b'ulaw',
+                b'ALAW', b'alaw', b'G722',
+                b'sowt', b'SOWT'):
                 if not self._sampwidth:
                     self._sampwidth = 2
                 if self._sampwidth != 2:
                     raise Error('sample width must be 2 when compressing '
-                                'with ulaw/ULAW, alaw/ALAW or G7.22 (ADPCM)')
+                                'with ulaw/ULAW, alaw/ALAW, sowt/SOWT '
+                                'or G7.22 (ADPCM)')
             if not self._nchannels:
                 raise Error('# channels not specified')
             if not self._sampwidth:
@@ -801,6 +836,8 @@ def _init_compression(self):
             self._convert = self._lin2ulaw
         elif self._comptype in (b'alaw', b'ALAW'):
             self._convert = self._lin2alaw
+        elif self._comptype in (b'sowt', b'SOWT'):
+            self._convert = self._lin2sowt
 
     def _write_header(self, initlength):
         if self._aifc and self._comptype != b'NONE':
@@ -920,10 +957,6 @@ def open(f, mode=None):
     else:
         raise Error("mode must be 'r', 'rb', 'w', or 'wb'")
 
-def openfp(f, mode=None):
-    warnings.warn("aifc.openfp is deprecated since Python 3.7. "
-                  "Use aifc.open instead.", DeprecationWarning, stacklevel=2)
-    return open(f, mode=mode)
 
 if __name__ == '__main__':
     import sys

diff --git a/Lib/cgi.py b/Lib/cgi.py
@@ -13,6 +13,11 @@
 
 This module defines a number of utilities for use by CGI scripts
 written in Python.
+
+The global variable maxlen can be set to an integer indicating the maximum size
+of a POST request. POST requests larger than this size will result in a
+ValueError being raised during parsing. The default value of this variable is 0,
+meaning the request size is unlimited.
 """
 
 # History
@@ -41,12 +46,16 @@
 import html
 import locale
 import tempfile
+import warnings
 
 __all__ = ["MiniFieldStorage", "FieldStorage", "parse", "parse_multipart",
            "parse_header", "test", "print_exception", "print_environ",
            "print_form", "print_directory", "print_arguments",
            "print_environ_usage"]
 
+
+warnings._deprecated(__name__, remove=(3,13))
+
 # Logging support
 # ===============
 
@@ -77,9 +86,11 @@ def initlog(*allargs):
 
     """
     global log, logfile, logfp
+    warnings.warn("cgi.log() is deprecated as of 3.10. Use logging instead",
+                  DeprecationWarning, stacklevel=2)
     if logfile and not logfp:
         try:
-            logfp = open(logfile, "a")
+            logfp = open(logfile, "a", encoding="locale")
         except OSError:
             pass
     if not logfp:
@@ -115,7 +126,8 @@ def closelog():
 # 0 ==> unlimited input
 maxlen = 0
 
-def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
+def parse(fp=None, environ=os.environ, keep_blank_values=0,
+          strict_parsing=0, separator='&'):
     """Parse a query in the environment or from a file (default stdin)
 
         Arguments, all optional:
@@ -134,6 +146,9 @@ def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
         strict_parsing: flag indicating what to do with parsing errors.
             If false (the default), errors are silently ignored.
             If true, errors raise a ValueError exception.
+
+        separator: str. The symbol to use for separating the query arguments.
+            Defaults to &.
     """
     if fp is None:
         fp = sys.stdin
@@ -154,7 +169,7 @@ def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
     if environ['REQUEST_METHOD'] == 'POST':
         ctype, pdict = parse_header(environ['CONTENT_TYPE'])
         if ctype == 'multipart/form-data':
-            return parse_multipart(fp, pdict)
+            return parse_multipart(fp, pdict, separator=separator)
         elif ctype == 'application/x-www-form-urlencoded':
             clength = int(environ['CONTENT_LENGTH'])
             if maxlen and clength > maxlen:
@@ -178,10 +193,10 @@ def parse(fp=None, environ=os.environ, keep_blank_values=0, strict_parsing=0):
             qs = ""
         environ['QUERY_STRING'] = qs    # XXX Shouldn't, really
     return urllib.parse.parse_qs(qs, keep_blank_values, strict_parsing,
-                                 encoding=encoding)
+                                 encoding=encoding, separator=separator)
 
 
-def parse_multipart(fp, pdict, encoding="utf-8", errors="replace"):
+def parse_multipart(fp, pdict, encoding="utf-8", errors="replace", separator='&'):
     """Parse multipart input.
 
     Arguments:
@@ -194,15 +209,18 @@ def parse_multipart(fp, pdict, encoding="utf-8", errors="replace"):
     value is a list of values for that field. For non-file fields, the value
     is a list of strings.
     """
-    # RFC 2026, Section 5.1 : The "multipart" boundary delimiters are always
+    # RFC 2046, Section 5.1 : The "multipart" boundary delimiters are always
     # represented as 7bit US-ASCII.
     boundary = pdict['boundary'].decode('ascii')
     ctype = "multipart/form-data; boundary={}".format(boundary)
     headers = Message()
     headers.set_type(ctype)
-    headers['Content-Length'] = pdict['CONTENT-LENGTH']
+    try:
+        headers['Content-Length'] = pdict['CONTENT-LENGTH']
+    except KeyError:
+        pass
     fs = FieldStorage(fp, headers=headers, encoding=encoding, errors=errors,
-        environ={'REQUEST_METHOD': 'POST'})
+        environ={'REQUEST_METHOD': 'POST'}, separator=separator)
     return {k: fs.getlist(k) for k in fs}
 
 def _parseparam(s):
@@ -312,7 +330,7 @@ class FieldStorage:
     def __init__(self, fp=None, headers=None, outerboundary=b'',
                  environ=os.environ, keep_blank_values=0, strict_parsing=0,
                  limit=None, encoding='utf-8', errors='replace',
-                 max_num_fields=None):
+                 max_num_fields=None, separator='&'):
         """Constructor.  Read multipart/* until last part.
 
         Arguments, all optional:
@@ -360,6 +378,7 @@ def __init__(self, fp=None, headers=None, outerboundary=b'',
         self.keep_blank_values = keep_blank_values
         self.strict_parsing = strict_parsing
         self.max_num_fields = max_num_fields
+        self.separator = separator
         if 'REQUEST_METHOD' in environ:
             method = environ['REQUEST_METHOD'].upper()
         self.qs_on_post = None
@@ -586,7 +605,7 @@ def read_urlencoded(self):
         query = urllib.parse.parse_qsl(
             qs, self.keep_blank_values, self.strict_parsing,
             encoding=self.encoding, errors=self.errors,
-            max_num_fields=self.max_num_fields)
+            max_num_fields=self.max_num_fields, separator=self.separator)
         self.list = [MiniFieldStorage(key, value) for key, value in query]
         self.skip_lines()
 
@@ -602,7 +621,7 @@ def read_multi(self, environ, keep_blank_values, strict_parsing):
             query = urllib.parse.parse_qsl(
                 self.qs_on_post, self.keep_blank_values, self.strict_parsing,
                 encoding=self.encoding, errors=self.errors,
-                max_num_fields=self.max_num_fields)
+                max_num_fields=self.max_num_fields, separator=self.separator)
             self.list.extend(MiniFieldStorage(key, value) for key, value in query)
 
         klass = self.FieldStorageClass or self.__class__
@@ -646,7 +665,7 @@ def read_multi(self, environ, keep_blank_values, strict_parsing):
                 else self.limit - self.bytes_read
             part = klass(self.fp, headers, ib, environ, keep_blank_values,
                          strict_parsing, limit,
-                         self.encoding, self.errors, max_num_fields)
+                         self.encoding, self.errors, max_num_fields, self.separator)
 
             if max_num_fields is not None:
                 max_num_fields -= 1
@@ -736,7 +755,8 @@ def read_lines_to_outerboundary(self):
         last_line_lfend = True
         _read = 0
         while 1:
-            if self.limit is not None and _read >= self.limit:
+
+            if self.limit is not None and 0 <= self.limit <= _read:
                 break
             line = self.fp.readline(1<<16) # bytes
             self.bytes_read += len(line)

diff --git a/Lib/cgitb.py b/Lib/cgitb.py
@@ -31,6 +31,11 @@
 import time
 import tokenize
 import traceback
+import warnings
+from html import escape as html_escape
+
+warnings._deprecated(__name__, remove=(3, 13))
+
 
 def reset():
     """Return a string that resets the CGI and browser to a known state."""
@@ -105,10 +110,16 @@ def html(einfo, context=5):
         etype = etype.__name__
     pyver = 'Python ' + sys.version.split()[0] + ': ' + sys.executable
     date = time.ctime(time.time())
-    head = '<body bgcolor="#f0f0f8">' + pydoc.html.heading(
-        '<big><big>%s</big></big>' %
-        strong(pydoc.html.escape(str(etype))),
-        '#ffffff', '#6622aa', pyver + '<br>' + date) + '''
+    head = f'''
+<body bgcolor="#f0f0f8">
+<table width="100%" cellspacing=0 cellpadding=2 border=0 summary="heading">
+<tr bgcolor="#6622aa">
+<td valign=bottom>&nbsp;<br>
+<font color="#ffffff" face="helvetica, arial">&nbsp;<br>
+<big><big><strong>{html_escape(str(etype))}</strong></big></big></font></td>
+<td align=right valign=bottom>
+<font color="#ffffff" face="helvetica, arial">{pyver}<br>{date}</font></td>
+</tr></table>
 <p>A problem occurred in a Python script.  Here is the sequence of
 function calls leading up to the error, in the order they occurred.</p>'''
 
@@ -181,8 +192,8 @@ def reader(lnum=[lnum]):
 
 
 <!-- The above is a description of an error in a Python program, formatted
-     for a Web browser because the 'cgitb' module was enabled.  In case you
-     are not reading this in a Web browser, here is the original traceback:
+     for a web browser because the 'cgitb' module was enabled.  In case you
+     are not reading this in a web browser, here is the original traceback:
 
 %s
 -->

diff --git a/Lib/chunk.py b/Lib/chunk.py
@@ -48,6 +48,10 @@
 default is 1, i.e. aligned.
 """
 
+import warnings
+
+warnings._deprecated(__name__, remove=(3, 13))
+
 class Chunk:
     def __init__(self, file, align=True, bigendian=True, inclheader=False):
         import struct
@@ -64,7 +68,7 @@ def __init__(self, file, align=True, bigendian=True, inclheader=False):
         try:
             self.chunksize = struct.unpack_from(strflag+'L', file.read(4))[0]
         except struct.error:
-            raise EOFError
+            raise EOFError from None
         if inclheader:
             self.chunksize = self.chunksize - 8 # subtract header
         self.size_read = 0