指定パッケージと依存ライブラリのインストールバージョンを確認するスクリプト。現在のwheelがpydist.jsonでなくpackage.jsonを作るのでパッチを当てる。

deps.py

import sys
from pprint import pprint
import distlib.database


dist_name = sys.argv[1]

dist_path = distlib.database.DistributionPath(include_egg=True)
dists = list(dist_path.get_distributions())
dist = dist_path.get_distribution(dist_name)
if dist is None:
    print("%s is not installed" % dist_name)
    sys.exit()
graph = distlib.database.make_graph(dists)
deps = graph.adjacency_list[dist]

print(graph.repr_node(dist))

distlib.diff

diff -r 471427909ebb distlib/metadata.py
--- a/distlib/metadata.py	Fri Feb 13 20:01:09 2015 +0000
+++ b/distlib/metadata.py	Sat Feb 14 18:17:44 2015 +0900
@@ -616,7 +616,8 @@
                                self.version)
 
 
-METADATA_FILENAME = 'pydist.json'
+# METADATA_FILENAME = 'pydist.json'
+METADATA_FILENAME = 'metadata.json'