improved distutils.dist test coverage, pep-8 compliancy

1 files changed, 52 insertions, 55 deletions

diff --git a/Lib/distutils/dist.py b/Lib/distutils/dist.py
index 93325b9..f4aecb4 100644
--- a/Lib/distutils/dist.py
+++ b/Lib/distutils/dist.py
@@ -6,8 +6,7 @@ being built/installed/distributed.
 
 __revision__ = "$Id$"
 
-import sys, os, string, re
-from types import *
+import sys, os, re
 
 try:
     import warnings
@@ -251,7 +250,7 @@ Common commands: (see '--help-commands' for more)
 
             # Now work on the rest of the attributes.  Any attribute that's
             # not already defined is invalid!
-            for (key,val) in attrs.items():
+            for (key, val) in attrs.items():
                 if hasattr(self.metadata, "set_" + key):
                     getattr(self.metadata, "set_" + key)(val)
                 elif hasattr(self.metadata, key):
@@ -286,22 +285,24 @@ Common commands: (see '--help-commands' for more)
             commands.sort()
 
         if header is not None:
-            print indent + header
+            self.announce(indent + header)
             indent = indent + "  "
 
         if not commands:
-            print indent + "no commands known yet"
+            self.announce(indent + "no commands known yet")
             return
 
         for cmd_name in commands:
             opt_dict = self.command_options.get(cmd_name)
             if opt_dict is None:
-                print indent + "no option dict for '%s' command" % cmd_name
+                self.announce(indent +
+                              "no option dict for '%s' command" % cmd_name)
             else:
-                print indent + "option dict for '%s' command:" % cmd_name
+                self.announce(indent +
+                              "option dict for '%s' command:" % cmd_name)
                 out = pformat(opt_dict)
-                for line in string.split(out, "\n"):
-                    print indent + "  " + line
+                for line in out.split('\n'):
+                    self.announce(indent + "  " + line)
 
     # -- Config file finding/parsing methods ---------------------------
 
@@ -352,11 +353,13 @@ Common commands: (see '--help-commands' for more)
         if filenames is None:
             filenames = self.find_config_files()
 
-        if DEBUG: print "Distribution.parse_config_files():"
+        if DEBUG:
+            self.announce("Distribution.parse_config_files():")
 
         parser = ConfigParser()
         for filename in filenames:
-            if DEBUG: print "  reading", filename
+            if DEBUG:
+                self.announce("  reading", filename)
             parser.read(filename)
             for section in parser.sections():
                 options = parser.options(section)
@@ -365,7 +368,7 @@ Common commands: (see '--help-commands' for more)
                 for opt in options:
                     if opt != '__name__':
                         val = parser.get(section,opt)
-                        opt = string.replace(opt, '-', '_')
+                        opt = opt.replace('-', '_')
                         opt_dict[opt] = (filename, val)
 
             # Make the ConfigParser forget everything (so we retain
@@ -503,7 +506,7 @@ Common commands: (see '--help-commands' for more)
         # Also make sure that the command object provides a list of its
         # known options.
         if not (hasattr(cmd_class, 'user_options') and
-                type(cmd_class.user_options) is ListType):
+                isinstance(cmd_class.user_options, list)):
             raise DistutilsClassError, \
                   ("command class %s must provide " +
                    "'user_options' attribute (a list of tuples)") % \
@@ -519,7 +522,7 @@ Common commands: (see '--help-commands' for more)
         # Check for help_options in command class.  They have a different
         # format (tuple of four) so we need to preprocess them here.
         if (hasattr(cmd_class, 'help_options') and
-            type(cmd_class.help_options) is ListType):
+            isinstance(cmd_class.help_options, list)):
             help_options = fix_help_options(cmd_class.help_options)
         else:
             help_options = []
@@ -537,14 +540,11 @@ Common commands: (see '--help-commands' for more)
             return
 
         if (hasattr(cmd_class, 'help_options') and
-            type(cmd_class.help_options) is ListType):
+            isinstance(cmd_class.help_options, list)):
             help_option_found=0
             for (help_option, short, desc, func) in cmd_class.help_options:
                 if hasattr(opts, parser.get_attr_name(help_option)):
                     help_option_found=1
-                    #print "showing help for option %s of command %s" % \
-                    #      (help_option[0],cmd_class)
-
                     if callable(func):
                         func()
                     else:
@@ -569,17 +569,13 @@ Common commands: (see '--help-commands' for more)
         instance, analogous to the .finalize_options() method of Command
         objects.
         """
-        keywords = self.metadata.keywords
-        if keywords is not None:
-            if type(keywords) is StringType:
-                keywordlist = string.split(keywords, ',')
-                self.metadata.keywords = map(string.strip, keywordlist)
-
-        platforms = self.metadata.platforms
-        if platforms is not None:
-            if type(platforms) is StringType:
-                platformlist = string.split(platforms, ',')
-                self.metadata.platforms = map(string.strip, platformlist)
+        for attr in ('keywords', 'platforms'):
+            value = getattr(self.metadata, attr)
+            if value is None:
+                continue
+            if isinstance(value, str):
+                value = [elm.strip() for elm in value.split(',')]
+                setattr(self.metadata, attr, value)
 
     def _show_help(self, parser, global_options=1, display_options=1,
                    commands=[]):
@@ -606,31 +602,30 @@ Common commands: (see '--help-commands' for more)
                 options = self.global_options
             parser.set_option_table(options)
             parser.print_help(self.common_usage + "\nGlobal options:")
-            print
+            self.announce('')
 
         if display_options:
             parser.set_option_table(self.display_options)
             parser.print_help(
                 "Information display options (just display " +
                 "information, ignore any commands)")
-            print
+            self.announce('')
 
         for command in self.commands:
-            if type(command) is ClassType and issubclass(command, Command):
+            if isinstance(command, type) and issubclass(command, Command):
                 klass = command
             else:
                 klass = self.get_command_class(command)
             if (hasattr(klass, 'help_options') and
-                type(klass.help_options) is ListType):
+                isinstance(klass.help_options, list)):
                 parser.set_option_table(klass.user_options +
                                         fix_help_options(klass.help_options))
             else:
                 parser.set_option_table(klass.user_options)
             parser.print_help("Options for '%s' command:" % klass.__name__)
-            print
+            self.announce('')
 
-        print gen_usage(self.script_name)
-        return
+        self.announce(gen_usage(self.script_name))
 
     def handle_display_options(self, option_order):
         """If there were any non-global "display-only" options
@@ -645,8 +640,8 @@ Common commands: (see '--help-commands' for more)
         # we ignore "foo bar").
         if self.help_commands:
             self.print_commands()
-            print
-            print gen_usage(self.script_name)
+            self.announce('')
+            self.announce(gen_usage(self.script_name))
             return 1
 
         # If user supplied any of the "display metadata" options, then
@@ -662,12 +657,12 @@ Common commands: (see '--help-commands' for more)
                 opt = translate_longopt(opt)
                 value = getattr(self.metadata, "get_"+opt)()
                 if opt in ['keywords', 'platforms']:
-                    print string.join(value, ',')
+                    self.announce(','.join(value))
                 elif opt in ('classifiers', 'provides', 'requires',
                              'obsoletes'):
-                    print string.join(value, '\n')
+                    self.announce('\n'.join(value))
                 else:
-                    print value
+                    self.announce(value)
                 any_display_options = 1
 
         return any_display_options
@@ -676,7 +671,7 @@ Common commands: (see '--help-commands' for more)
         """Print a subset of the list of all commands -- used by
         'print_commands()'.
         """
-        print header + ":"
+        self.announce(header + ":")
 
         for cmd in commands:
             klass = self.cmdclass.get(cmd)
@@ -687,7 +682,7 @@ Common commands: (see '--help-commands' for more)
             except AttributeError:
                 description = "(no description available)"
 
-            print "  %-*s  %s" % (max_length, cmd, description)
+            self.announce("  %-*s  %s" % (max_length, cmd, description))
 
     def print_commands(self):
         """Print out a help message listing all available commands with a
@@ -760,11 +755,10 @@ Common commands: (see '--help-commands' for more)
     def get_command_packages(self):
         """Return a list of packages from which commands are loaded."""
         pkgs = self.command_packages
-        if not isinstance(pkgs, type([])):
-            pkgs = string.split(pkgs or "", ",")
-            for i in range(len(pkgs)):
-                pkgs[i] = string.strip(pkgs[i])
-            pkgs = filter(None, pkgs)
+        if not isinstance(pkgs, list):
+            if pkgs is None:
+                pkgs = ''
+            pkgs = [pkg.strip() for pkg in pkgs.split(',') if pkg != '']
             if "distutils.command" not in pkgs:
                 pkgs.insert(0, "distutils.command")
             self.command_packages = pkgs
@@ -818,8 +812,8 @@ Common commands: (see '--help-commands' for more)
         cmd_obj = self.command_obj.get(command)
         if not cmd_obj and create:
             if DEBUG:
-                print "Distribution.get_command_obj(): " \
-                      "creating '%s' command object" % command
+                self.announce("Distribution.get_command_obj(): " \
+                              "creating '%s' command object" % command)
 
             klass = self.get_command_class(command)
             cmd_obj = self.command_obj[command] = klass(self)
@@ -849,9 +843,12 @@ Common commands: (see '--help-commands' for more)
         if option_dict is None:
             option_dict = self.get_option_dict(command_name)
 
-        if DEBUG: print "  setting options for '%s' command:" % command_name
+        if DEBUG:
+            self.announce("  setting options for '%s' command:" % command_name)
         for (option, (source, value)) in option_dict.items():
-            if DEBUG: print "    %s = %s (from %s)" % (option, value, source)
+            if DEBUG:
+                self.announce("    %s = %s (from %s)" % (option, value,
+                                                         source))
             try:
                 bool_opts = map(translate_longopt, command_obj.boolean_options)
             except AttributeError:
@@ -862,7 +859,7 @@ Common commands: (see '--help-commands' for more)
                 neg_opt = {}
 
             try:
-                is_string = type(value) is StringType
+                is_string = isinstance(value, str)
                 if option in neg_opt and is_string:
                     setattr(command_obj, neg_opt[option], not strtobool(value))
                 elif option in bool_opts and is_string:
@@ -1044,10 +1041,10 @@ class DistributionMetadata:
         if self.download_url:
             self._write_field(file, 'Download-URL', self.download_url)
 
-        long_desc = rfc822_escape( self.get_long_description())
+        long_desc = rfc822_escape(self.get_long_description())
         self._write_field(file, 'Description', long_desc)
 
-        keywords = string.join( self.get_keywords(), ',')
+        keywords = ','.join(self.get_keywords())
         if keywords:
             self._write_field(file, 'Keywords', keywords)