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54 lines
1.4 KiB
54 lines
1.4 KiB
5 years ago
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#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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'''
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Author: Alvis Zhao
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Date: 2020-08-04 12:15:30
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LastEditTime: 2020-08-14 11:43:39
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Description: 解析package-lock.json下载npm缓存包
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'''
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import os
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import json
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import urllib.request
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dependencyDict = {}
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def analyzeDependency(dependencies):
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for key in dependencies:
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dependenciesInfo = dependencies[key]
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if "resolved" in dependenciesInfo:
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url = dependenciesInfo["resolved"]
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version = dependenciesInfo["version"]
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# 存入字典去重
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dependencyDict[key + "-" + version] = url
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if "dependencies" in dependenciesInfo:
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childDependencies = dependenciesInfo["dependencies"]
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analyzeDependency(childDependencies)
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output = "offline-packages"
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if not os.path.exists(output):
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os.mkdir(output)
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f = open('package-lock.json', 'r')
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content = f.read()
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contentDict = json.loads(content)
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dependencies = contentDict["dependencies"]
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# 分析并保存依赖
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analyzeDependency(dependencies)
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# 按照key排序下载
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sortedKeys = sorted(dependencyDict)
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for key in sortedKeys:
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url = dependencyDict[key]
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params = url.split("?")[0].split("/")
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filename = params[len(params) -1]
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outputFile = output + os.sep + filename
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print("downloading " + " " + key + " " + url)
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if not os.path.isfile(outputFile):
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urllib.request.urlretrieve(url, outputFile)
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f.close()
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