Created
June 2, 2014 13:46
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# -*- coding:utf-8 -*- | |
import pkg_resources | |
from collections import defaultdict | |
def add_rdependencies(d, result): | |
for r in d.requires(): | |
result[r.project_name.lower()].add(d) | |
def add_dependencies(d, result): | |
for r in d.requires(): | |
result[d.project_name.lower()].add(r) | |
def dump_tree(result, name, indent=0, excludes=["setuptools"]): | |
if name.lower() in excludes: | |
return | |
print(" " * indent, name) | |
for sub_d in result[name.lower()]: | |
dump_tree(result, sub_d.project_name, indent + 2) | |
def depth(result, name, n=0): | |
if result[name.lower()]: | |
n = n + 1 | |
r = n | |
for sub_d in result[name.lower()]: | |
tmp = depth(result, sub_d.project_name, n) | |
if tmp > r: | |
r = tmp | |
return r | |
dependencies = defaultdict(set) | |
for d in pkg_resources.working_set: | |
add_dependencies(d, dependencies) | |
for d in pkg_resources.working_set: | |
print(depth(dependencies, d.project_name)) | |
dump_tree(dependencies, d.project_name) | |
print("-") |
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