Merge branch 'master' into pr1145

4 files changed, 45 insertions, 2 deletions

diff --git a/setuptools/command/__init__.py b/setuptools/command/__init__.py
index c96d33c2..fe619e2e 100644
--- a/setuptools/command/__init__.py
+++ b/setuptools/command/__init__.py
@@ -3,6 +3,7 @@ __all__ = [
     'easy_install', 'egg_info', 'install', 'install_lib', 'rotate', 'saveopts',
     'sdist', 'setopt', 'test', 'install_egg_info', 'install_scripts',
     'register', 'bdist_wininst', 'upload_docs', 'upload', 'build_clib',
+    'dist_info',
 ]
 
 from distutils.command.bdist import bdist
diff --git a/setuptools/command/develop.py b/setuptools/command/develop.py
index 85b23c60..959c932a 100755
--- a/setuptools/command/develop.py
+++ b/setuptools/command/develop.py
@@ -95,7 +95,9 @@ class develop(namespaces.DevelopInstaller, easy_install):
         path_to_setup = egg_base.replace(os.sep, '/').rstrip('/')
         if path_to_setup != os.curdir:
             path_to_setup = '../' * (path_to_setup.count('/') + 1)
-        resolved = normalize_path(os.path.join(install_dir, egg_path, path_to_setup))
+        resolved = normalize_path(
+            os.path.join(install_dir, egg_path, path_to_setup)
+        )
         if resolved != normalize_path(os.curdir):
             raise DistutilsOptionError(
                 "Can't get a consistent path to setup script from"
diff --git a/setuptools/command/dist_info.py b/setuptools/command/dist_info.py
new file mode 100644
index 00000000..c6c6dacb
--- /dev/null
+++ b/setuptools/command/dist_info.py
@@ -0,0 +1,40 @@
+"""
+Create a dist_info directory
+As defined in the wheel specification
+"""
+
+import os
+import shutil
+
+from distutils.core import Command
+from distutils import log
+
+
+class dist_info(Command):
+
+    description = 'create a .dist-info directory'
+
+    user_options = [
+        ('egg-base=', 'e', "directory containing .egg-info directories"
+                           " (default: top of the source tree)"),
+    ]
+
+    def initialize_options(self):
+        self.egg_base = None
+
+    def finalize_options(self):
+        pass
+
+    def run(self):
+        egg_info = self.get_finalized_command('egg_info')
+        egg_info.run()
+        dist_info_dir = egg_info.egg_info[:-len('.egg-info')] + '.dist-info'
+        log.info("creating '{}'".format(os.path.abspath(dist_info_dir)))
+
+        bdist_wheel = self.get_finalized_command('bdist_wheel')
+        bdist_wheel.egg2dist(egg_info.egg_info, dist_info_dir)
+
+        if self.egg_base:
+            destination = os.path.join(self.egg_base, dist_info_dir)
+            log.info("creating '{}'".format(os.path.abspath(destination)))
+            shutil.move(dist_info_dir, destination)
diff --git a/setuptools/command/easy_install.py b/setuptools/command/easy_install.py
index 8fba7b41..71991efa 100755
--- a/setuptools/command/easy_install.py
+++ b/setuptools/command/easy_install.py
@@ -1817,7 +1817,7 @@ def _update_zipimporter_cache(normalized_path, cache, updater=None):
         #    get/del patterns instead. For more detailed information see the
         #    following links:
         #      https://github.com/pypa/setuptools/issues/202#issuecomment-202913420
-        #      https://bitbucket.org/pypy/pypy/src/dd07756a34a41f674c0cacfbc8ae1d4cc9ea2ae4/pypy/module/zipimport/interp_zipimport.py#cl-99
+        #      http://bit.ly/2h9itJX
         old_entry = cache[p]
         del cache[p]
         new_entry = updater and updater(p, old_entry)