Use true booleans and PEP8 for argdefaults.

Lib/uu.py

@@ -80,7 +80,7 @@ def encode(in_file, out_file, name=None, mode=None):
     out_file.write(b' \nend\n')
 
 
-def decode(in_file, out_file=None, mode=None, quiet=0):
+def decode(in_file, out_file=None, mode=None, quiet=False):
     """Decode uuencoded file"""
     #
     # Open the input file, if needed.

Lib/warnings.py

@@ -29,7 +29,7 @@ def formatwarning(message, category, filename, lineno, line=None):
     return s
 
 def filterwarnings(action, message="", category=Warning, module="", lineno=0,
-                   append=0):
+                   append=False):
     """Insert an entry into the list of warnings filters (at the front).
 
     Use assertions to check that all arguments have the right type."""
@@ -49,7 +49,7 @@ def filterwarnings(action, message="", category=Warning, module="", lineno=0,
     else:
         filters.insert(0, item)
 
-def simplefilter(action, category=Warning, lineno=0, append=0):
+def simplefilter(action, category=Warning, lineno=0, append=False):
     """Insert a simple entry into the list of warnings filters (at the front).
 
     A simple filter matches all modules and messages.

Lib/wsgiref/util.py

@@ -67,7 +67,7 @@ def application_uri(environ):
     url += quote(environ.get('SCRIPT_NAME') or '/')
     return url
 
-def request_uri(environ, include_query=1):
+def request_uri(environ, include_query=True):
     """Return the full request URI, optionally including the query string"""
     url = application_uri(environ)
     from urllib.parse import quote

Lib/xml/dom/domreg.py

@@ -36,7 +36,7 @@ def _good_enough(dom, features):
             return 0
     return 1
 
-def getDOMImplementation(name = None, features = ()):
+def getDOMImplementation(name=None, features=()):
     """getDOMImplementation(name = None, features = ()) -> DOM implementation.
 
     Return a suitable DOM implementation. The name is either

Lib/xml/dom/minidom.py

@@ -43,7 +43,7 @@ class Node(xml.dom.Node):
     def __bool__(self):
         return True
 
-    def toxml(self, encoding = None):
+    def toxml(self, encoding=None):
         return self.toprettyxml("", "", encoding)
 
     def toprettyxml(self, indent="\t", newl="\n", encoding=None):

Lib/xml/sax/saxutils.py

@@ -268,7 +268,7 @@ class XMLFilterBase(xmlreader.XMLReader):
 
 # --- Utility functions
 
-def prepare_input_source(source, base = ""):
+def prepare_input_source(source, base=""):
     """This function takes an InputSource and an optional base URL and
     returns a fully resolved InputSource object ready for reading."""
 

Lib/xmlrpc/client.py

@@ -474,7 +474,7 @@ class Marshaller:
     # by the way, if you don't understand what's going on in here,
     # that's perfectly ok.
 
-    def __init__(self, encoding=None, allow_none=0):
+    def __init__(self, encoding=None, allow_none=False):
         self.memo = {}
         self.data = None
         self.encoding = encoding
@@ -647,7 +647,7 @@ class Unmarshaller:
     # and again, if you don't understand what's going on in here,
     # that's perfectly ok.
 
-    def __init__(self, use_datetime=0):
+    def __init__(self, use_datetime=False):
         self._type = None
         self._stack = []
         self._marks = []
@@ -880,7 +880,7 @@ FastMarshaller = FastParser = FastUnmarshaller = None
 #
 # return A (parser, unmarshaller) tuple.
 
-def getparser(use_datetime=0):
+def getparser(use_datetime=False):
     """getparser() -> parser, unmarshaller
 
     Create an instance of the fastest available parser, and attach it
@@ -917,7 +917,7 @@ def getparser(use_datetime=0):
 # @return A string containing marshalled data.
 
 def dumps(params, methodname=None, methodresponse=None, encoding=None,
-          allow_none=0):
+          allow_none=False):
     """data [,options] -> marshalled data
 
     Convert an argument tuple or a Fault instance to an XML-RPC
@@ -993,7 +993,7 @@ def dumps(params, methodname=None, methodresponse=None, encoding=None,
 #     (None if not present).
 # @see Fault
 
-def loads(data, use_datetime=0):
+def loads(data, use_datetime=False):
     """data -> unmarshalled data, method name
 
     Convert an XML-RPC packet to unmarshalled data plus a method
@@ -1114,7 +1114,7 @@ class Transport:
     # that they can decode such a request
     encode_threshold = None #None = don't encode
 
-    def __init__(self, use_datetime=0):
+    def __init__(self, use_datetime=False):
         self._use_datetime = use_datetime
         self._connection = (None, None)
         self._extra_headers = []
@@ -1129,7 +1129,7 @@ class Transport:
     # @param verbose Debugging flag.
     # @return Parsed response.
 
-    def request(self, host, handler, request_body, verbose=0):
+    def request(self, host, handler, request_body, verbose=False):
         #retry request once if cached connection has gone cold
         for i in (0, 1):
             try:
@@ -1141,7 +1141,7 @@ class Transport:
                 if i:
                     raise
 
-    def single_request(self, host, handler, request_body, verbose=0):
+    def single_request(self, host, handler, request_body, verbose=False):
         # issue XML-RPC request
         try:
             http_conn = self.send_request(host, handler, request_body, verbose)
@@ -1379,8 +1379,8 @@ class ServerProxy:
     the given encoding.
     """
 
-    def __init__(self, uri, transport=None, encoding=None, verbose=0,
-                 allow_none=0, use_datetime=0):
+    def __init__(self, uri, transport=None, encoding=None, verbose=False,
+                 allow_none=False, use_datetime=False):
         # establish a "logical" server connection
 
         # get the url

Lib/xmlrpc/server.py

@@ -201,7 +201,7 @@ class SimpleXMLRPCDispatcher:
         self.instance = instance
         self.allow_dotted_names = allow_dotted_names
 
-    def register_function(self, function, name = None):
+    def register_function(self, function, name=None):
         """Registers a function to respond to XML-RPC requests.
 
         The optional name argument can be used to set a Unicode name
@@ -627,7 +627,7 @@ class CGIXMLRPCRequestHandler(SimpleXMLRPCDispatcher):
         sys.stdout.buffer.write(response)
         sys.stdout.buffer.flush()
 
-    def handle_request(self, request_text = None):
+    def handle_request(self, request_text=None):
         """Handle a single XML-RPC request passed through a CGI post method.
 
         If no XML data is given then it is read from stdin. The resulting
@@ -882,7 +882,7 @@ class DocXMLRPCServer(  SimpleXMLRPCServer,
     """
 
     def __init__(self, addr, requestHandler=DocXMLRPCRequestHandler,
-                 logRequests=1, allow_none=False, encoding=None,
+                 logRequests=True, allow_none=False, encoding=None,
                  bind_and_activate=True):
         SimpleXMLRPCServer.__init__(self, addr, requestHandler, logRequests,
                                     allow_none, encoding, bind_and_activate)

Lib/zipfile.py

@@ -1258,7 +1258,7 @@ class ZipFile:
 class PyZipFile(ZipFile):
     """Class to create ZIP archives with Python library files and packages."""
 
-    def writepy(self, pathname, basename = ""):
+    def writepy(self, pathname, basename=""):
         """Add all files from "pathname" to the ZIP archive.
 
         If pathname is a package directory, search the directory and