Added support for defining command aliases in distutils configuration

files, under the "[aliases]" section.  To prevent recursion and to allow
aliases to call the command of the same name, a given alias can be expanded
only once per command-line invocation.  You can define new aliases with the
"alias" command, either for the local, global, or per-user configuration.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041094

1 files changed, 42 insertions, 1 deletions

diff --git a/setuptools/dist.py b/setuptools/dist.py
index fc0f3eba..8fcd19ea 100644
--- a/setuptools/dist.py
+++ b/setuptools/dist.py
@@ -372,10 +372,19 @@ class Distribution(_Distribution):
         self.global_options = self.__class__.global_options
         self.negative_opt = self.__class__.negative_opt
 
-        # Handle commands that want to consume all remaining arguments
+        # First, expand any aliases
         command = args[0]
+        aliases = self.get_option_dict('aliases')
+        while command in aliases:
+            src,alias = aliases[command]
+            del aliases[command]    # ensure each alias can expand only once!
+            import shlex
+            args[:1] = shlex.split(alias,True)            
+            command = args[0]
+
         nargs = _Distribution._parse_command_opts(self, parser, args)
 
+        # Handle commands that want to consume all remaining arguments
         cmd_class = self.get_command_class(command)
         if getattr(cmd_class,'command_consumes_arguments',None):
             self.get_option_dict(command)['args'] = ("command line", nargs)
@@ -384,6 +393,21 @@ class Distribution(_Distribution):
 
         return nargs
 
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     def has_dependencies(self):
         return not not self.requires
 
@@ -408,6 +432,23 @@ class Distribution(_Distribution):
         self.have_run['install'] = 1
         setuptools.bootstrap_install_from = None
 
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     def get_cmdline_options(self):
         """Return a '{cmd: {opt:val}}' map of all command-line options