Add experimental 'install_data' support to 'bdist_egg'. The most common

distutils custom command hack in the field is to make 'install_data'
put data in with the target packages by changing the --install-data to
match --install-lib, so this should let bdist_egg work with more packages
"out of the box".

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041016

setuptools/command/bdist_egg.py

@@ -96,35 +96,18 @@ class bdist_egg(Command):
         f.close()
 
 
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     def run(self):
         if not self.skip_build:
             self.run_command('build')
 
+        if self.distribution.data_files:
+            install = self.reinitialize_command('install_data')
+            install.install_dir = self.bdist_dir
+            install.force = 0
+            install.root = None
+            log.info("installing package data to %s" % self.bdist_dir)
+            self.run_command('install_data')
+        
         install = self.reinitialize_command('install_lib', reinit_subcommands=1)
         install.install_dir = self.bdist_dir
         install.skip_build = self.skip_build
@@ -134,9 +117,10 @@ class bdist_egg(Command):
             install._mutate_outputs(self.distribution.has_ext_modules(),
                                     'build_ext', 'build_lib',
                                     '')
-        log.info("installing to %s" % self.bdist_dir)
+        log.info("installing library code to %s" % self.bdist_dir)
         self.run_command('install_lib')
 
+
         to_compile = []
         for ext_name in ext_outputs:
             filename,ext = os.path.splitext(ext_name)
@@ -174,6 +158,10 @@ class bdist_egg(Command):
         if not self.dry_run:
             self.distribution.metadata.write_pkg_info(self.egg_info)
 
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         native_libs = os.path.join(self.egg_info,"native_libs.txt")
         if ext_outputs:
             log.info("writing %s" % native_libs)
@@ -193,6 +181,8 @@ class bdist_egg(Command):
                 if os.path.isfile(path):
                     self.copy_file(path,os.path.join(egg_info,filename))
 
+
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         # Make the archive
         make_zipfile(pseudoinstall_root+'.egg',
                           archive_root, verbose=self.verbose,
@@ -203,6 +193,16 @@ class bdist_egg(Command):
 
 
 
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 def make_zipfile (zip_filename, base_dir, verbose=0, dry_run=0):
     """Create a zip file from all the files under 'base_dir'.  The output
     zip file will be named 'base_dir' + ".zip".  Uses either the "zipfile"