分析并输出Python代码依赖的库的实现代码

用法:
分析一个脚本的依赖: analysis_dependency.py script1.py
递归分析依赖: analysis_dependency.py script1.py -r

#!/usr/bin/env python/' target='_blank'>python# encoding: utf-8# source: https://github.com/MrLYC/ycyc/blob/dev/tools/analysis_dependency.pyimport astimport importlibimport inspectclass Analysis(ast.NodeTransformer): def __init__(self, paths, recursion): self.modules = list() self.paths = list(paths) self.recursion = recursion def add_module(self, module): if module and module not in self.modules:self.modules.append(module) if self.recursion:try: path = inspect.getsourcefile(importlib.import_module(module)) if path:self.paths.append(path)except:pass def visit_Import(self, node): for i in node.names:self.add_module(i.name) def visit_ImportFrom(self, node):self.add_module(node.module) def analysis(self): for p in self.paths:try: with open(p,"rt") as fp: self.visit(ast.parse(fp.read(), p))except:pass return tuple(self.modules)if __name__ =="__main__": import argparse parser = argparse.ArgumentParser() parser.add_argument("paths", nargs="+") parser.add_argument("-r","--recursion", action="store_true", default=False) args = parser.parse_args() analysisor = Analysis(args.paths, args.recursion) for m in analysisor.analysis(): print m