190 lines
7.3 KiB
Python
190 lines
7.3 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# File : parser.py
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# Author: DaShenHan&道长-----先苦后甜，任凭晚风拂柳颜------
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# Date : 2022/8/25
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import os
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import shutil
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import requests
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from flask import make_response, jsonify,render_template_string
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from functools import partial # 这玩意儿能锁定一个函数的参数
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import subprocess
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subprocess.Popen = partial(subprocess.Popen, encoding="utf-8") # 固定写法
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# 解决execjs执行js时产生的乱码报错，需要在导入该模块之前，让Popen的encoding参数锁定为utf-8
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# import execjs
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import js2py
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from js2py.base import JsObjectWrapper,PyJsString,PyJsObject
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# os.environ["EXECJS_RUNTIME"] = "JScript"
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# print(execjs.get().name)
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def runJScode(jscode,loader=None,ctx=None):
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if loader is None:
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if ctx is None:
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ctx = {}
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loader = js2py.EvalJs(ctx,enable_require=False) # enable_require启用require关键字,会自动获取系统nodejs环境
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loader.execute(jscode)
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return loader, jscode
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def runJs(jsPath, before='', after='', ctx=None):
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# base_path = os.path.dirname(os.path.abspath(__file__)) # 当前文件所在目录
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# base_path = os.path.dirname(os.getcwd()) # 当前主程序所在工作目录
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# base_path = os.path.dirname(os.path.abspath('.')) # 上级目录
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# js_code = 'var rule={}'
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if ctx is None:
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ctx = {}
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base_path = os.path.dirname(os.path.abspath(os.path.dirname(__file__))) # 上级目录
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if str(jsPath).startswith('http'):
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js_name = jsPath.split('/')[-1]
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cache_path = os.path.join(base_path, f'cache/{js_name}')
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if not os.path.exists(cache_path):
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try:
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print(f'开始缓存远程规则:{js_name},来源{jsPath}')
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js_code = requests.get(url=jsPath,timeout=3).text
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# js_code = requests.get(jsPath).text
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with open(cache_path,mode='w+',encoding='utf-8') as f:
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f.write(js_code)
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except Exception as e:
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print('发生了错误:',e)
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return None, ''
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else:
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with open(cache_path, 'r', encoding='UTF-8') as fp:
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js_code = fp.read()
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else:
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js_path = os.path.join(base_path, jsPath)
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if not os.path.exists(js_path):
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return None,''
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js_name = jsPath.split('/')[-1]
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cache_path = os.path.join(base_path, f'cache/{js_name}')
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if not str(jsPath).startswith('js/') and not os.path.exists(cache_path) and os.path.exists(js_path):
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shutil.copy(js_path,cache_path) # 本地txt目录的复制过去凑数,实际不使用
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# print(js_path)
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with open(js_path, 'r', encoding='UTF-8') as fp:
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js_code = fp.read()
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# print(js_code)
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jscode_to_run = js_code
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# print(jscode_to_run)
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if before:
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jscode_to_run = before + jscode_to_run
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if after:
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jscode_to_run += after
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loader = js2py.EvalJs(ctx)
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return runJScode(jscode_to_run,loader)
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# loader = execjs.compile(jscode_to_run)
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# print(jscode_to_run)
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# loader.execute(jscode_to_run)
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# return loader,js_code
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def toJs(jsPath,jsRoot='cache',env=None):
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base_path = os.path.dirname(os.path.abspath(os.path.dirname(__file__))) # 上级目录
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js_path = os.path.join(base_path, f'{jsRoot}/{jsPath}')
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# print(js_path)
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if not os.path.exists(js_path):
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return jsonify({'code': -2, 'msg': f'非法猥亵,文件不存在'})
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with open(js_path, 'r', encoding='UTF-8') as fp:
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js = fp.read()
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if env:
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# js = render_template_string(js,env=env)
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for k in env:
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# print(f'${k}', f'{env[k]}')
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if f'${k}' in js:
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js = js.replace(f'${k}', f'{env[k]}')
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# js = render_template_string(js,**env)
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response = make_response(js)
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response.headers['Content-Type'] = 'text/javascript; charset=utf-8'
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return response
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def getJs(jsPath,jsRoot='cache'):
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base_path = os.path.dirname(os.path.abspath(os.path.dirname(__file__))) # 上级目录
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js_path = os.path.join(base_path, f'{jsRoot}/{jsPath}')
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# print(js_path)
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if not os.path.exists(js_path):
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return ''
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with open(js_path, 'r', encoding='UTF-8') as fp:
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js = fp.read()
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return js
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def toHtml(jsPath):
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base_path = os.path.dirname(os.path.abspath(os.path.dirname(__file__))) # 上级目录
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js_path = os.path.join(base_path, f'cache/{jsPath}')
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with open(js_path, 'r', encoding='UTF-8') as fp:
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js = fp.read()
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response = make_response(js)
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response.headers['Content-Type'] = 'text/html; charset=utf-8'
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return response
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def runPy(pyPath):
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# base_path = os.path.dirname(os.path.abspath(__file__)) # 当前文件所在目录
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# base_path = os.path.dirname(os.getcwd()) # 当前主程序所在工作目录
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# base_path = os.path.dirname(os.path.abspath('.')) # 上级目录
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# js_code = 'var rule={}'
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if pyPath and not str(pyPath).endswith('.py'):
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pyPath += '.py'
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base_path = os.path.dirname(os.path.abspath(os.path.dirname(__file__))) # 上级目录
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if str(pyPath).startswith('http'):
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py_name = pyPath.split('/')[-1]
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cache_path = os.path.join(base_path, f'cache/{py_name}')
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print('远程免嗅:',py_name)
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if not os.path.exists(cache_path):
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try:
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py_code = requests.get(pyPath,timeout=2).text
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with open(cache_path,mode='w+',encoding='utf-8') as f:
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f.write(py_code)
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except Exception as e:
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print('发生了错误:',e)
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return None
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else:
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with open(cache_path, 'r', encoding='UTF-8') as fp:
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py_code = fp.read()
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else:
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py_root = os.path.join(base_path, 'py/')
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os.makedirs(py_root,exist_ok=True)
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py_path = os.path.join(py_root, pyPath)
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if not os.path.exists(py_path):
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return ''
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with open(py_path, 'r', encoding='UTF-8') as fp:
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py_code = fp.read()
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# print(js_code)
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return py_code
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def covert_demo():
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ctx = {'py_sum':sum,'requests':requests}
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loader = js2py.EvalJs(ctx)
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# loader.execute('var a=py_sum(2,3);function f(x) {return x*x} var b=[a,"5"];var c={"a":a};')
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# loader.execute('var a=py_sum(2,3);function f(x) {return x*x}')
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loader.execute('function f(x) {return x*x};var a=py_sum([2,3]);var b=[a,5];var c={"a":a};')
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f = loader.f
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print(f(8))
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print(f.toString())
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print(loader.eval('py_sum(new Array(1, 2, 3))'))
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print(loader.eval('py_sum([1, 2])'))
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a = loader.a
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print(type(a),a)
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b = loader.b
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b.push(6)
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print(type(b),b)
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b = b.to_list()
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print(type(b),b)
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c = loader.c
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print(type(c),c)
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c = c.to_dict()
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print(type(c), c)
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# CryptoJS = js2py.require('crypto-js')
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# print(type(CryptoJS))
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# print(js2py.require('underscore'))
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JSON = js2py.eval_js('JSON')
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r = JSON.parse('[{"a":1}]')
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print(type(r),r)
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print(r[0].a)
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print(loader.eval('r = requests.get("https://www.baidu.com/");r.encoding = "utf-8";r.text'))
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# 下面是错误用法,没有loader环境没法正确eval_js,有loader用eval不需要eval_js
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# print(js2py.eval_js('r = requests.get("https://www.baidu.com/");r.encoding = "utf-8";r.text'))
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with open('../js/蓝莓影视.js',encoding='utf-8') as f:
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yk = f.read()
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print(yk)
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if __name__ == '__main__':
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covert_demo() |