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tools.py 67 KB

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  1. # -*- coding: utf-8 -*-
  2. """
  3. Created on 2018-09-06 14:21
  4. ---------
  5. @summary: 工具
  6. ---------
  7. @author: Boris
  8. @email: boris_liu@foxmail.com
  9. """
  10. import asyncio
  11. import calendar
  12. import codecs
  13. import configparser # 读配置文件的
  14. import datetime
  15. import functools
  16. import hashlib
  17. import html
  18. import json
  19. import os
  20. import pickle
  21. import random
  22. import re
  23. import socket
  24. import ssl
  25. import string
  26. import sys
  27. import time
  28. import traceback
  29. import urllib
  30. import urllib.parse
  31. import uuid
  32. import weakref
  33. from functools import partial, wraps
  34. from hashlib import md5
  35. from pprint import pformat
  36. from pprint import pprint
  37. from urllib import request
  38. from urllib.parse import urljoin
  39. import bson
  40. import execjs # pip install PyExecJS
  41. import redis
  42. import requests
  43. import six
  44. from Crypto.Hash.SHA256 import SHA256Hash
  45. from requests.cookies import RequestsCookieJar
  46. from w3lib.url import canonicalize_url as _canonicalize_url
  47. import feapder.setting as setting
  48. from feapder.db.redisdb import RedisDB
  49. from feapder.utils.email_sender import EmailSender
  50. from feapder.utils.log import log
  51. os.environ["EXECJS_RUNTIME"] = "Node" # 设置使用node执行js
  52. # 全局取消ssl证书验证
  53. ssl._create_default_https_context = ssl._create_unverified_context
  54. TIME_OUT = 30
  55. TIMER_TIME = 5
  56. redisdb = None
  57. def get_redisdb():
  58. global redisdb
  59. if not redisdb:
  60. redisdb = RedisDB()
  61. return redisdb
  62. # 装饰器
  63. class Singleton(object):
  64. def __init__(self, cls):
  65. self._cls = cls
  66. self._instance = {}
  67. def __call__(self, *args, **kwargs):
  68. if self._cls not in self._instance:
  69. self._instance[self._cls] = self._cls(*args, **kwargs)
  70. return self._instance[self._cls]
  71. def log_function_time(func):
  72. try:
  73. @functools.wraps(func) # 将函数的原来属性付给新函数
  74. def calculate_time(*args, **kw):
  75. began_time = time.time()
  76. callfunc = func(*args, **kw)
  77. end_time = time.time()
  78. log.debug(func.__name__ + " run time = " + str(end_time - began_time))
  79. return callfunc
  80. return calculate_time
  81. except:
  82. log.debug("求取时间无效 因为函数参数不符")
  83. return func
  84. def run_safe_model(module_name):
  85. def inner_run_safe_model(func):
  86. try:
  87. @functools.wraps(func) # 将函数的原来属性付给新函数
  88. def run_func(*args, **kw):
  89. callfunc = None
  90. try:
  91. callfunc = func(*args, **kw)
  92. except Exception as e:
  93. log.error(module_name + ": " + func.__name__ + " - " + str(e))
  94. traceback.print_exc()
  95. return callfunc
  96. return run_func
  97. except Exception as e:
  98. log.error(module_name + ": " + func.__name__ + " - " + str(e))
  99. traceback.print_exc()
  100. return func
  101. return inner_run_safe_model
  102. def memoizemethod_noargs(method):
  103. """Decorator to cache the result of a method (without arguments) using a
  104. weak reference to its object
  105. """
  106. cache = weakref.WeakKeyDictionary()
  107. @functools.wraps(method)
  108. def new_method(self, *args, **kwargs):
  109. if self not in cache:
  110. cache[self] = method(self, *args, **kwargs)
  111. return cache[self]
  112. return new_method
  113. ########################【网页解析相关】###############################
  114. # @log_function_time
  115. def get_html_by_requests(
  116. url, headers=None, code="utf-8", data=None, proxies={}, with_response=False
  117. ):
  118. html = ""
  119. r = None
  120. try:
  121. if data:
  122. r = requests.post(
  123. url, headers=headers, timeout=TIME_OUT, data=data, proxies=proxies
  124. )
  125. else:
  126. r = requests.get(url, headers=headers, timeout=TIME_OUT, proxies=proxies)
  127. if code:
  128. r.encoding = code
  129. html = r.text
  130. except Exception as e:
  131. log.error(e)
  132. finally:
  133. r and r.close()
  134. if with_response:
  135. return html, r
  136. else:
  137. return html
  138. def get_json_by_requests(
  139. url,
  140. params=None,
  141. headers=None,
  142. data=None,
  143. proxies={},
  144. with_response=False,
  145. cookies=None,
  146. ):
  147. json = {}
  148. response = None
  149. try:
  150. # response = requests.get(url, params = params)
  151. if data:
  152. response = requests.post(
  153. url,
  154. headers=headers,
  155. data=data,
  156. params=params,
  157. timeout=TIME_OUT,
  158. proxies=proxies,
  159. cookies=cookies,
  160. )
  161. else:
  162. response = requests.get(
  163. url,
  164. headers=headers,
  165. params=params,
  166. timeout=TIME_OUT,
  167. proxies=proxies,
  168. cookies=cookies,
  169. )
  170. response.encoding = "utf-8"
  171. json = response.json()
  172. except Exception as e:
  173. log.error(e)
  174. finally:
  175. response and response.close()
  176. if with_response:
  177. return json, response
  178. else:
  179. return json
  180. def get_cookies(response):
  181. cookies = requests.utils.dict_from_cookiejar(response.cookies)
  182. return cookies
  183. def get_cookies_from_str(cookie_str):
  184. """
  185. >>> get_cookies_from_str("key=value; key2=value2; key3=; key4=; ")
  186. {'key': 'value', 'key2': 'value2', 'key3': '', 'key4': ''}
  187. Args:
  188. cookie_str: key=value; key2=value2; key3=; key4=
  189. Returns:
  190. """
  191. cookies = {}
  192. for cookie in cookie_str.split(";"):
  193. cookie = cookie.strip()
  194. if not cookie:
  195. continue
  196. key, value = cookie.split("=", 1)
  197. key = key.strip()
  198. value = value.strip()
  199. cookies[key] = value
  200. return cookies
  201. def get_cookies_jar(cookies):
  202. """
  203. @summary: 适用于selenium生成的cookies转requests的cookies
  204. requests.get(xxx, cookies=jar)
  205. 参考:https://www.cnblogs.com/small-bud/p/9064674.html
  206. ---------
  207. @param cookies: [{},{}]
  208. ---------
  209. @result: cookie jar
  210. """
  211. cookie_jar = RequestsCookieJar()
  212. for cookie in cookies:
  213. cookie_jar.set(cookie["name"], cookie["value"])
  214. return cookie_jar
  215. def get_cookies_from_selenium_cookie(cookies):
  216. """
  217. @summary: 适用于selenium生成的cookies转requests的cookies
  218. requests.get(xxx, cookies=jar)
  219. 参考:https://www.cnblogs.com/small-bud/p/9064674.html
  220. ---------
  221. @param cookies: [{},{}]
  222. ---------
  223. @result: cookie jar
  224. """
  225. cookie_dict = {}
  226. for cookie in cookies:
  227. if cookie.get("name"):
  228. cookie_dict[cookie["name"]] = cookie["value"]
  229. return cookie_dict
  230. def cookiesjar2str(cookies):
  231. str_cookie = ""
  232. for k, v in requests.utils.dict_from_cookiejar(cookies).items():
  233. str_cookie += k
  234. str_cookie += "="
  235. str_cookie += v
  236. str_cookie += "; "
  237. return str_cookie
  238. def cookies2str(cookies):
  239. str_cookie = ""
  240. for k, v in cookies.items():
  241. str_cookie += k
  242. str_cookie += "="
  243. str_cookie += v
  244. str_cookie += "; "
  245. return str_cookie
  246. def get_urls(
  247. html,
  248. stop_urls=(
  249. "javascript",
  250. "+",
  251. ".css",
  252. ".js",
  253. ".rar",
  254. ".xls",
  255. ".exe",
  256. ".apk",
  257. ".doc",
  258. ".jpg",
  259. ".png",
  260. ".flv",
  261. ".mp4",
  262. ),
  263. ):
  264. # 不匹配javascript、 +、 # 这样的url
  265. regex = r'<a.*?href.*?=.*?["|\'](.*?)["|\']'
  266. urls = get_info(html, regex)
  267. urls = sorted(set(urls), key=urls.index)
  268. if stop_urls:
  269. stop_urls = isinstance(stop_urls, str) and [stop_urls] or stop_urls
  270. use_urls = []
  271. for url in urls:
  272. for stop_url in stop_urls:
  273. if stop_url in url:
  274. break
  275. else:
  276. use_urls.append(url)
  277. urls = use_urls
  278. return urls
  279. def get_full_url(root_url, sub_url):
  280. """
  281. @summary: 得到完整的ur
  282. ---------
  283. @param root_url: 根url (网页的url)
  284. @param sub_url: 子url (带有相对路径的 可以拼接成完整的)
  285. ---------
  286. @result: 返回完整的url
  287. """
  288. return urljoin(root_url, sub_url)
  289. def joint_url(url, params):
  290. # param_str = "?"
  291. # for key, value in params.items():
  292. # value = isinstance(value, str) and value or str(value)
  293. # param_str += key + "=" + value + "&"
  294. #
  295. # return url + param_str[:-1]
  296. if not params:
  297. return url
  298. params = urlencode(params)
  299. separator = "?" if "?" not in url else "&"
  300. return url + separator + params
  301. def canonicalize_url(url):
  302. """
  303. url 归一化 会参数排序 及去掉锚点
  304. """
  305. return _canonicalize_url(url)
  306. def get_url_md5(url):
  307. url = canonicalize_url(url)
  308. url = re.sub("^http://", "https://", url)
  309. return get_md5(url)
  310. def fit_url(urls, identis):
  311. identis = isinstance(identis, str) and [identis] or identis
  312. fit_urls = []
  313. for link in urls:
  314. for identi in identis:
  315. if identi in link:
  316. fit_urls.append(link)
  317. return list(set(fit_urls))
  318. def get_param(url, key):
  319. params = url.split("?")[-1].split("&")
  320. for param in params:
  321. key_value = param.split("=", 1)
  322. if key == key_value[0]:
  323. return key_value[1]
  324. return None
  325. def urlencode(params):
  326. """
  327. 字典类型的参数转为字符串
  328. @param params:
  329. {
  330. 'a': 1,
  331. 'b': 2
  332. }
  333. @return: a=1&b=2
  334. """
  335. return urllib.parse.urlencode(params)
  336. def urldecode(url):
  337. """
  338. 将字符串类型的参数转为json
  339. @param url: xxx?a=1&b=2
  340. @return:
  341. {
  342. 'a': 1,
  343. 'b': 2
  344. }
  345. """
  346. params_json = {}
  347. params = url.split("?")[-1].split("&")
  348. for param in params:
  349. key, value = param.split("=")
  350. params_json[key] = unquote_url(value)
  351. return params_json
  352. def unquote_url(url, encoding="utf-8"):
  353. """
  354. @summary: 将url解码
  355. ---------
  356. @param url:
  357. ---------
  358. @result:
  359. """
  360. return urllib.parse.unquote(url, encoding=encoding)
  361. def quote_url(url, encoding="utf-8"):
  362. """
  363. @summary: 将url编码 编码意思http://www.w3school.com.cn/tags/html_ref_urlencode.html
  364. ---------
  365. @param url:
  366. ---------
  367. @result:
  368. """
  369. return urllib.parse.quote(url, safe="%;/?:@&=+$,", encoding=encoding)
  370. def quote_chinese_word(text, encoding="utf-8"):
  371. def quote_chinese_word_func(text):
  372. chinese_word = text.group(0)
  373. return urllib.parse.quote(chinese_word, encoding=encoding)
  374. return re.sub("([\u4e00-\u9fa5]+)", quote_chinese_word_func, text, flags=re.S)
  375. def unescape(str):
  376. """
  377. 反转译
  378. """
  379. return html.unescape(str)
  380. def excape(str):
  381. """
  382. 转译
  383. """
  384. return html.escape(str)
  385. _regexs = {}
  386. # @log_function_time
  387. def get_info(html, regexs, allow_repeat=True, fetch_one=False, split=None):
  388. regexs = isinstance(regexs, str) and [regexs] or regexs
  389. infos = []
  390. for regex in regexs:
  391. if regex == "":
  392. continue
  393. if regex not in _regexs.keys():
  394. _regexs[regex] = re.compile(regex, re.S)
  395. if fetch_one:
  396. infos = _regexs[regex].search(html)
  397. if infos:
  398. infos = infos.groups()
  399. else:
  400. continue
  401. else:
  402. infos = _regexs[regex].findall(str(html))
  403. if len(infos) > 0:
  404. # print(regex)
  405. break
  406. if fetch_one:
  407. infos = infos if infos else ("",)
  408. return infos if len(infos) > 1 else infos[0]
  409. else:
  410. infos = allow_repeat and infos or sorted(set(infos), key=infos.index)
  411. infos = split.join(infos) if split else infos
  412. return infos
  413. def table_json(table, save_one_blank=True):
  414. """
  415. 将表格转为json 适应于 key:value 在一行类的表格
  416. @param table: 使用selector封装后的具有xpath的selector
  417. @param save_one_blank: 保留一个空白符
  418. @return:
  419. """
  420. data = {}
  421. trs = table.xpath(".//tr")
  422. for tr in trs:
  423. tds = tr.xpath("./td|./th")
  424. for i in range(0, len(tds), 2):
  425. if i + 1 > len(tds) - 1:
  426. break
  427. key = tds[i].xpath("string(.)").extract_first(default="").strip()
  428. value = tds[i + 1].xpath("string(.)").extract_first(default="").strip()
  429. value = replace_str(value, "[\f\n\r\t\v]", "")
  430. value = replace_str(value, " +", " " if save_one_blank else "")
  431. if key:
  432. data[key] = value
  433. return data
  434. def get_table_row_data(table):
  435. """
  436. 获取表格里每一行数据
  437. @param table: 使用selector封装后的具有xpath的selector
  438. @return: [[],[]..]
  439. """
  440. datas = []
  441. rows = table.xpath(".//tr")
  442. for row in rows:
  443. cols = row.xpath("./td|./th")
  444. row_datas = []
  445. for col in cols:
  446. data = col.xpath("string(.)").extract_first(default="").strip()
  447. row_datas.append(data)
  448. datas.append(row_datas)
  449. return datas
  450. def rows2json(rows, keys=None):
  451. """
  452. 将行数据转为json
  453. @param rows: 每一行的数据
  454. @param keys: json的key,空时将rows的第一行作为key
  455. @return:
  456. """
  457. data_start_pos = 0 if keys else 1
  458. datas = []
  459. keys = keys or rows[0]
  460. for values in rows[data_start_pos:]:
  461. datas.append(dict(zip(keys, values)))
  462. return datas
  463. def get_form_data(form):
  464. """
  465. 提取form中提交的数据
  466. :param form: 使用selector封装后的具有xpath的selector
  467. :return:
  468. """
  469. data = {}
  470. inputs = form.xpath(".//input")
  471. for input in inputs:
  472. name = input.xpath("./@name").extract_first()
  473. value = input.xpath("./@value").extract_first()
  474. if name:
  475. data[name] = value
  476. return data
  477. def get_domain(url):
  478. return urllib.parse.urlparse(url).netloc
  479. def get_index_url(url):
  480. return "/".join(url.split("/")[:3])
  481. def get_ip(domain):
  482. ip = socket.getaddrinfo(domain, "http")[0][4][0]
  483. return ip
  484. def get_localhost_ip():
  485. """
  486. 利用 UDP 协议来实现的,生成一个UDP包,把自己的 IP 放如到 UDP 协议头中,然后从UDP包中获取本机的IP。
  487. 这个方法并不会真实的向外部发包,所以用抓包工具是看不到的
  488. :return:
  489. """
  490. s = None
  491. try:
  492. s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
  493. s.connect(("8.8.8.8", 80))
  494. ip = s.getsockname()[0]
  495. finally:
  496. if s:
  497. s.close()
  498. return ip
  499. def ip_to_num(ip):
  500. import struct
  501. ip_num = socket.ntohl(struct.unpack("I", socket.inet_aton(str(ip)))[0])
  502. return ip_num
  503. def is_valid_proxy(proxy, check_url=None):
  504. """
  505. 检验代理是否有效
  506. @param proxy: xxx.xxx.xxx:xxx
  507. @param check_url: 利用目标网站检查,目标网站url。默认为None, 使用代理服务器的socket检查, 但不能排除Connection closed by foreign host
  508. @return: True / False
  509. """
  510. is_valid = False
  511. if check_url:
  512. proxies = {"http": f"http://{proxy}", "https": f"https://{proxy}"}
  513. headers = {
  514. "User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/69.0.3497.100 Safari/537.36"
  515. }
  516. response = None
  517. try:
  518. response = requests.get(
  519. check_url, headers=headers, proxies=proxies, stream=True, timeout=20
  520. )
  521. is_valid = True
  522. except Exception as e:
  523. log.error("check proxy failed: {} {}".format(e, proxy))
  524. finally:
  525. if response:
  526. response.close()
  527. else:
  528. ip, port = proxy.split(":")
  529. with socket.socket(socket.AF_INET, socket.SOCK_STREAM) as sk:
  530. sk.settimeout(7)
  531. try:
  532. sk.connect((ip, int(port))) # 检查代理服务器是否开着
  533. is_valid = True
  534. except Exception as e:
  535. log.error("check proxy failed: {} {}:{}".format(e, ip, port))
  536. return is_valid
  537. def is_valid_url(url):
  538. """
  539. 验证url是否合法
  540. :param url:
  541. :return:
  542. """
  543. if re.match(r"(^https?:/{2}\w.+$)|(ftp://)", url):
  544. return True
  545. else:
  546. return False
  547. def get_text(soup, *args):
  548. try:
  549. return soup.get_text()
  550. except Exception as e:
  551. log.error(e)
  552. return ""
  553. def del_html_tag(content, except_line_break=False, save_img=False, white_replaced=""):
  554. """
  555. 删除html标签
  556. @param content: html内容
  557. @param except_line_break: 保留p标签
  558. @param save_img: 保留图片
  559. @param white_replaced: 空白符替换
  560. @return:
  561. """
  562. content = replace_str(content, "(?i)<script(.|\n)*?</script>") # (?)忽略大小写
  563. content = replace_str(content, "(?i)<style(.|\n)*?</style>")
  564. content = replace_str(content, "<!--(.|\n)*?-->")
  565. content = replace_str(
  566. content, "(?!&[a-z]+=)&[a-z]+;?"
  567. ) # 干掉&nbsp等无用的字符 但&xxx= 这种表示参数的除外
  568. if except_line_break:
  569. content = content.replace("</p>", "/p")
  570. content = replace_str(content, "<[^p].*?>")
  571. content = content.replace("/p", "</p>")
  572. content = replace_str(content, "[ \f\r\t\v]")
  573. elif save_img:
  574. content = replace_str(content, "(?!<img.+?>)<.+?>") # 替换掉除图片外的其他标签
  575. content = replace_str(content, "(?! +)\s+", "\n") # 保留空格
  576. content = content.strip()
  577. else:
  578. content = replace_str(content, "<(.|\n)*?>")
  579. content = replace_str(content, "\s", white_replaced)
  580. content = content.strip()
  581. return content
  582. def del_html_js_css(content):
  583. content = replace_str(content, "(?i)<script(.|\n)*?</script>") # (?)忽略大小写
  584. content = replace_str(content, "(?i)<style(.|\n)*?</style>")
  585. content = replace_str(content, "<!--(.|\n)*?-->")
  586. return content
  587. def is_have_chinese(content):
  588. regex = "[\u4e00-\u9fa5]+"
  589. chinese_word = get_info(content, regex)
  590. return chinese_word and True or False
  591. def is_have_english(content):
  592. regex = "[a-zA-Z]+"
  593. english_words = get_info(content, regex)
  594. return english_words and True or False
  595. def get_chinese_word(content):
  596. regex = "[\u4e00-\u9fa5]+"
  597. chinese_word = get_info(content, regex)
  598. return chinese_word
  599. def get_english_words(content):
  600. regex = "[a-zA-Z]+"
  601. english_words = get_info(content, regex)
  602. return english_words or ""
  603. ##################################################
  604. def get_json(json_str):
  605. """
  606. @summary: 取json对象
  607. ---------
  608. @param json_str: json格式的字符串
  609. ---------
  610. @result: 返回json对象
  611. """
  612. try:
  613. return json.loads(json_str) if json_str else {}
  614. except Exception as e1:
  615. try:
  616. json_str = json_str.strip()
  617. json_str = json_str.replace("'", '"')
  618. keys = get_info(json_str, "(\w+):")
  619. for key in keys:
  620. json_str = json_str.replace(key, '"%s"' % key)
  621. return json.loads(json_str) if json_str else {}
  622. except Exception as e2:
  623. log.error(
  624. """
  625. e1: %s
  626. format json_str: %s
  627. e2: %s
  628. """
  629. % (e1, json_str, e2)
  630. )
  631. return {}
  632. def jsonp2json(jsonp):
  633. """
  634. 将jsonp转为json
  635. @param jsonp: jQuery172013600082560040794_1553230569815({})
  636. @return:
  637. """
  638. try:
  639. return json.loads(re.match(".*?({.*}).*", jsonp, re.S).group(1))
  640. except:
  641. raise ValueError("Invalid Input")
  642. def dumps_json(data, indent=4, sort_keys=False):
  643. """
  644. @summary: 格式化json 用于打印
  645. ---------
  646. @param data: json格式的字符串或json对象
  647. ---------
  648. @result: 格式化后的字符串
  649. """
  650. try:
  651. if isinstance(data, str):
  652. data = get_json(data)
  653. data = json.dumps(
  654. data,
  655. ensure_ascii=False,
  656. indent=indent,
  657. skipkeys=True,
  658. sort_keys=sort_keys,
  659. default=str,
  660. )
  661. except Exception as e:
  662. data = pformat(data)
  663. return data
  664. def get_json_value(json_object, key):
  665. """
  666. @summary:
  667. ---------
  668. @param json_object: json对象或json格式的字符串
  669. @param key: 建值 如果在多个层级目录下 可写 key1.key2 如{'key1':{'key2':3}}
  670. ---------
  671. @result: 返回对应的值,如果没有,返回''
  672. """
  673. current_key = ""
  674. value = ""
  675. try:
  676. json_object = (
  677. isinstance(json_object, str) and get_json(json_object) or json_object
  678. )
  679. current_key = key.split(".")[0]
  680. value = json_object[current_key]
  681. key = key[key.find(".") + 1 :]
  682. except Exception as e:
  683. return value
  684. if key == current_key:
  685. return value
  686. else:
  687. return get_json_value(value, key)
  688. def get_all_keys(datas, depth=None, current_depth=0):
  689. """
  690. @summary: 获取json李所有的key
  691. ---------
  692. @param datas: dict / list
  693. @param depth: 字典key的层级 默认不限制层级 层级从1开始
  694. @param current_depth: 字典key的当前层级 不用传参
  695. ---------
  696. @result: 返回json所有的key
  697. """
  698. keys = []
  699. if depth and current_depth >= depth:
  700. return keys
  701. if isinstance(datas, list):
  702. for data in datas:
  703. keys.extend(get_all_keys(data, depth, current_depth=current_depth + 1))
  704. elif isinstance(datas, dict):
  705. for key, value in datas.items():
  706. keys.append(key)
  707. if isinstance(value, dict):
  708. keys.extend(get_all_keys(value, depth, current_depth=current_depth + 1))
  709. return keys
  710. def to_chinese(unicode_str):
  711. format_str = json.loads('{"chinese":"%s"}' % unicode_str)
  712. return format_str["chinese"]
  713. ##################################################
  714. def replace_str(source_str, regex, replace_str=""):
  715. """
  716. @summary: 替换字符串
  717. ---------
  718. @param source_str: 原字符串
  719. @param regex: 正则
  720. @param replace_str: 用什么来替换 默认为''
  721. ---------
  722. @result: 返回替换后的字符串
  723. """
  724. str_info = re.compile(regex)
  725. return str_info.sub(replace_str, source_str)
  726. def del_redundant_blank_character(text):
  727. """
  728. 删除冗余的空白符, 只保留一个
  729. :param text:
  730. :return:
  731. """
  732. return re.sub("\s+", " ", text)
  733. ##################################################
  734. def get_conf_value(config_file, section, key):
  735. cp = configparser.ConfigParser(allow_no_value=True)
  736. with codecs.open(config_file, "r", encoding="utf-8") as f:
  737. cp.read_file(f)
  738. return cp.get(section, key)
  739. def mkdir(path):
  740. try:
  741. if not os.path.exists(path):
  742. os.makedirs(path)
  743. except OSError as exc: # Python >2.5
  744. pass
  745. def write_file(filename, content, mode="w", encoding="utf-8"):
  746. """
  747. @summary: 写文件
  748. ---------
  749. @param filename: 文件名(有路径)
  750. @param content: 内容
  751. @param mode: 模式 w/w+ (覆盖/追加)
  752. ---------
  753. @result:
  754. """
  755. directory = os.path.dirname(filename)
  756. mkdir(directory)
  757. with open(filename, mode, encoding=encoding) as file:
  758. file.writelines(content)
  759. def read_file(filename, readlines=False, encoding="utf-8"):
  760. """
  761. @summary: 读文件
  762. ---------
  763. @param filename: 文件名(有路径)
  764. @param readlines: 按行读取 (默认False)
  765. ---------
  766. @result: 按行读取返回List,否则返回字符串
  767. """
  768. content = None
  769. try:
  770. with open(filename, "r", encoding=encoding) as file:
  771. content = file.readlines() if readlines else file.read()
  772. except Exception as e:
  773. log.error(e)
  774. return content
  775. def get_oss_file_list(oss_handler, prefix, date_range_min, date_range_max=None):
  776. """
  777. 获取文件列表
  778. @param prefix: 路径前缀 如 data/car_service_line/yiche/yiche_serial_zongshu_info
  779. @param date_range_min: 时间范围 最小值 日期分隔符为/ 如 2019/03/01 或 2019/03/01/00/00/00
  780. @param date_range_max: 时间范围 最大值 日期分隔符为/ 如 2019/03/01 或 2019/03/01/00/00/00
  781. @return: 每个文件路径 如 html/e_commerce_service_line/alibaba/alibaba_shop_info/2019/03/22/15/53/15/8ca8b9e4-4c77-11e9-9dee-acde48001122.json.snappy
  782. """
  783. # 计算时间范围
  784. date_range_max = date_range_max or date_range_min
  785. date_format = "/".join(
  786. ["%Y", "%m", "%d", "%H", "%M", "%S"][: date_range_min.count("/") + 1]
  787. )
  788. time_interval = [
  789. {"days": 365},
  790. {"days": 31},
  791. {"days": 1},
  792. {"hours": 1},
  793. {"minutes": 1},
  794. {"seconds": 1},
  795. ][date_range_min.count("/")]
  796. date_range = get_between_date(
  797. date_range_min, date_range_max, date_format=date_format, **time_interval
  798. )
  799. for date in date_range:
  800. file_folder_path = os.path.join(prefix, date)
  801. objs = oss_handler.list(prefix=file_folder_path)
  802. for obj in objs:
  803. filename = obj.key
  804. yield filename
  805. def is_html(url):
  806. if not url:
  807. return False
  808. try:
  809. content_type = request.urlopen(url).info().get("Content-Type", "")
  810. if "text/html" in content_type:
  811. return True
  812. else:
  813. return False
  814. except Exception as e:
  815. log.error(e)
  816. return False
  817. def is_exist(file_path):
  818. """
  819. @summary: 文件是否存在
  820. ---------
  821. @param file_path:
  822. ---------
  823. @result:
  824. """
  825. return os.path.exists(file_path)
  826. def download_file(url, file_path, *, call_func=None, proxies=None, data=None):
  827. """
  828. 下载文件,会自动创建文件存储目录
  829. Args:
  830. url: 地址
  831. file_path: 文件存储地址
  832. call_func: 下载成功的回调
  833. proxies: 代理
  834. data: 请求体
  835. Returns:
  836. """
  837. directory = os.path.dirname(file_path)
  838. mkdir(directory)
  839. # 进度条
  840. def progress_callfunc(blocknum, blocksize, totalsize):
  841. """回调函数
  842. @blocknum : 已经下载的数据块
  843. @blocksize : 数据块的大小
  844. @totalsize: 远程文件的大小
  845. """
  846. percent = 100.0 * blocknum * blocksize / totalsize
  847. if percent > 100:
  848. percent = 100
  849. # print ('进度条 %.2f%%' % percent, end = '\r')
  850. sys.stdout.write("进度条 %.2f%%" % percent + "\r")
  851. sys.stdout.flush()
  852. if url:
  853. try:
  854. if proxies:
  855. # create the object, assign it to a variable
  856. proxy = request.ProxyHandler(proxies)
  857. # construct a new opener using your proxy settings
  858. opener = request.build_opener(proxy)
  859. # install the openen on the module-level
  860. request.install_opener(opener)
  861. request.urlretrieve(url, file_path, progress_callfunc, data)
  862. if callable(call_func):
  863. call_func()
  864. return 1
  865. except Exception as e:
  866. log.error(e)
  867. return 0
  868. else:
  869. return 0
  870. def get_file_list(path, ignore=[]):
  871. templist = path.split("*")
  872. path = templist[0]
  873. file_type = templist[1] if len(templist) >= 2 else ""
  874. # 递归遍历文件
  875. def get_file_list_(path, file_type, ignore, all_file=[]):
  876. file_list = os.listdir(path)
  877. for file_name in file_list:
  878. if file_name in ignore:
  879. continue
  880. file_path = os.path.join(path, file_name)
  881. if os.path.isdir(file_path):
  882. get_file_list_(file_path, file_type, ignore, all_file)
  883. else:
  884. if not file_type or file_name.endswith(file_type):
  885. all_file.append(file_path)
  886. return all_file
  887. return get_file_list_(path, file_type, ignore) if os.path.isdir(path) else [path]
  888. def rename_file(old_name, new_name):
  889. os.rename(old_name, new_name)
  890. def del_file(path, ignore=()):
  891. files = get_file_list(path, ignore)
  892. for file in files:
  893. try:
  894. os.remove(file)
  895. except Exception as e:
  896. log.error(
  897. """
  898. 删除出错: %s
  899. Exception : %s
  900. """
  901. % (file, str(e))
  902. )
  903. finally:
  904. pass
  905. def get_file_type(file_name):
  906. """
  907. @summary: 取文件后缀名
  908. ---------
  909. @param file_name:
  910. ---------
  911. @result:
  912. """
  913. try:
  914. return os.path.splitext(file_name)[1]
  915. except Exception as e:
  916. log.exception(e)
  917. def get_file_path(file_path):
  918. """
  919. @summary: 取文件路径
  920. ---------
  921. @param file_path: /root/a.py
  922. ---------
  923. @result: /root
  924. """
  925. try:
  926. return os.path.split(file_path)[0]
  927. except Exception as e:
  928. log.exception(e)
  929. #############################################
  930. def exec_js(js_code):
  931. """
  932. @summary: 执行js代码
  933. ---------
  934. @param js_code: js代码
  935. ---------
  936. @result: 返回执行结果
  937. """
  938. return execjs.eval(js_code)
  939. def compile_js(js_func):
  940. """
  941. @summary: 编译js函数
  942. ---------
  943. @param js_func:js函数
  944. ---------
  945. @result: 返回函数对象 调用 fun('js_funName', param1,param2)
  946. """
  947. ctx = execjs.compile(js_func)
  948. return ctx.call
  949. ###############################################
  950. #############################################
  951. def date_to_timestamp(date, time_format="%Y-%m-%d %H:%M:%S"):
  952. """
  953. @summary:
  954. ---------
  955. @param date:将"2011-09-28 10:00:00"时间格式转化为时间戳
  956. @param format:时间格式
  957. ---------
  958. @result: 返回时间戳
  959. """
  960. timestamp = time.mktime(time.strptime(date, time_format))
  961. return int(timestamp)
  962. def timestamp_to_date(timestamp, time_format="%Y-%m-%d %H:%M:%S"):
  963. """
  964. @summary:
  965. ---------
  966. @param timestamp: 将时间戳转化为日期
  967. @param format: 日期格式
  968. ---------
  969. @result: 返回日期
  970. """
  971. if timestamp is None:
  972. raise ValueError("timestamp is null")
  973. date = time.localtime(timestamp)
  974. return time.strftime(time_format, date)
  975. def get_current_timestamp():
  976. return int(time.time())
  977. def get_current_date(date_format="%Y-%m-%d %H:%M:%S"):
  978. return datetime.datetime.now().strftime(date_format)
  979. # return time.strftime(date_format, time.localtime(time.time()))
  980. def get_date_number(year=None, month=None, day=None):
  981. """
  982. @summary: 获取指定日期对应的日期数
  983. 默认当前周
  984. ---------
  985. @param year: 2010
  986. @param month: 6
  987. @param day: 16
  988. ---------
  989. @result: (年号,第几周,第几天) 如 (2010, 24, 3)
  990. """
  991. if year and month and day:
  992. return datetime.date(year, month, day).isocalendar()
  993. elif not any([year, month, day]):
  994. return datetime.datetime.now().isocalendar()
  995. else:
  996. assert year, "year 不能为空"
  997. assert month, "month 不能为空"
  998. assert day, "day 不能为空"
  999. def get_between_date(
  1000. begin_date, end_date=None, date_format="%Y-%m-%d", **time_interval
  1001. ):
  1002. """
  1003. @summary: 获取一段时间间隔内的日期,默认为每一天
  1004. ---------
  1005. @param begin_date: 开始日期 str 如 2018-10-01
  1006. @param end_date: 默认为今日
  1007. @param date_format: 日期格式,应与begin_date的日期格式相对应
  1008. @param time_interval: 时间间隔 默认一天 支持 days、seconds、microseconds、milliseconds、minutes、hours、weeks
  1009. ---------
  1010. @result: list 值为字符串
  1011. """
  1012. date_list = []
  1013. begin_date = datetime.datetime.strptime(begin_date, date_format)
  1014. end_date = (
  1015. datetime.datetime.strptime(end_date, date_format)
  1016. if end_date
  1017. else datetime.datetime.strptime(
  1018. time.strftime(date_format, time.localtime(time.time())), date_format
  1019. )
  1020. )
  1021. time_interval = time_interval or dict(days=1)
  1022. while begin_date <= end_date:
  1023. date_str = begin_date.strftime(date_format)
  1024. date_list.append(date_str)
  1025. begin_date += datetime.timedelta(**time_interval)
  1026. if end_date.strftime(date_format) not in date_list:
  1027. date_list.append(end_date.strftime(date_format))
  1028. return date_list
  1029. def get_between_months(begin_date, end_date=None):
  1030. """
  1031. @summary: 获取一段时间间隔内的月份
  1032. 需要满一整月
  1033. ---------
  1034. @param begin_date: 开始时间 如 2018-01-01
  1035. @param end_date: 默认当前时间
  1036. ---------
  1037. @result: 列表 如 ['2018-01', '2018-02']
  1038. """
  1039. def add_months(dt, months):
  1040. month = dt.month - 1 + months
  1041. year = dt.year + month // 12
  1042. month = month % 12 + 1
  1043. day = min(dt.day, calendar.monthrange(year, month)[1])
  1044. return dt.replace(year=year, month=month, day=day)
  1045. date_list = []
  1046. begin_date = datetime.datetime.strptime(begin_date, "%Y-%m-%d")
  1047. end_date = (
  1048. datetime.datetime.strptime(end_date, "%Y-%m-%d")
  1049. if end_date
  1050. else datetime.datetime.strptime(
  1051. time.strftime("%Y-%m-%d", time.localtime(time.time())), "%Y-%m-%d"
  1052. )
  1053. )
  1054. while begin_date <= end_date:
  1055. date_str = begin_date.strftime("%Y-%m")
  1056. date_list.append(date_str)
  1057. begin_date = add_months(begin_date, 1)
  1058. return date_list
  1059. def get_today_of_day(day_offset=0):
  1060. return str(datetime.date.today() + datetime.timedelta(days=day_offset))
  1061. def get_days_of_month(year, month):
  1062. """
  1063. 返回天数
  1064. """
  1065. return calendar.monthrange(year, month)[1]
  1066. def get_firstday_of_month(date):
  1067. """''
  1068. date format = "YYYY-MM-DD"
  1069. """
  1070. year, month, day = date.split("-")
  1071. year, month, day = int(year), int(month), int(day)
  1072. days = "01"
  1073. if int(month) < 10:
  1074. month = "0" + str(int(month))
  1075. arr = (year, month, days)
  1076. return "-".join("%s" % i for i in arr)
  1077. def get_lastday_of_month(date):
  1078. """''
  1079. get the last day of month
  1080. date format = "YYYY-MM-DD"
  1081. """
  1082. year, month, day = date.split("-")
  1083. year, month, day = int(year), int(month), int(day)
  1084. days = calendar.monthrange(year, month)[1]
  1085. month = add_zero(month)
  1086. arr = (year, month, days)
  1087. return "-".join("%s" % i for i in arr)
  1088. def get_firstday_month(month_offset=0):
  1089. """''
  1090. get the first day of month from today
  1091. month_offset is how many months
  1092. """
  1093. (y, m, d) = get_year_month_and_days(month_offset)
  1094. d = "01"
  1095. arr = (y, m, d)
  1096. return "-".join("%s" % i for i in arr)
  1097. def get_lastday_month(month_offset=0):
  1098. """''
  1099. get the last day of month from today
  1100. month_offset is how many months
  1101. """
  1102. return "-".join("%s" % i for i in get_year_month_and_days(month_offset))
  1103. def get_last_month(month_offset=0):
  1104. """''
  1105. get the last day of month from today
  1106. month_offset is how many months
  1107. """
  1108. return "-".join("%s" % i for i in get_year_month_and_days(month_offset)[:2])
  1109. def get_year_month_and_days(month_offset=0):
  1110. """
  1111. @summary:
  1112. ---------
  1113. @param month_offset: 月份偏移量
  1114. ---------
  1115. @result: ('2019', '04', '30')
  1116. """
  1117. today = datetime.datetime.now()
  1118. year, month = today.year, today.month
  1119. this_year = int(year)
  1120. this_month = int(month)
  1121. total_month = this_month + month_offset
  1122. if month_offset >= 0:
  1123. if total_month <= 12:
  1124. days = str(get_days_of_month(this_year, total_month))
  1125. total_month = add_zero(total_month)
  1126. return (year, total_month, days)
  1127. else:
  1128. i = total_month // 12
  1129. j = total_month % 12
  1130. if j == 0:
  1131. i -= 1
  1132. j = 12
  1133. this_year += i
  1134. days = str(get_days_of_month(this_year, j))
  1135. j = add_zero(j)
  1136. return (str(this_year), str(j), days)
  1137. else:
  1138. if (total_month > 0) and (total_month < 12):
  1139. days = str(get_days_of_month(this_year, total_month))
  1140. total_month = add_zero(total_month)
  1141. return (year, total_month, days)
  1142. else:
  1143. i = total_month // 12
  1144. j = total_month % 12
  1145. if j == 0:
  1146. i -= 1
  1147. j = 12
  1148. this_year += i
  1149. days = str(get_days_of_month(this_year, j))
  1150. j = add_zero(j)
  1151. return (str(this_year), str(j), days)
  1152. def add_zero(n):
  1153. return "%02d" % n
  1154. def get_month(month_offset=0):
  1155. """''
  1156. 获取当前日期前后N月的日期
  1157. if month_offset>0, 获取当前日期前N月的日期
  1158. if month_offset<0, 获取当前日期后N月的日期
  1159. date format = "YYYY-MM-DD"
  1160. """
  1161. today = datetime.datetime.now()
  1162. day = add_zero(today.day)
  1163. (y, m, d) = get_year_month_and_days(month_offset)
  1164. arr = (y, m, d)
  1165. if int(day) < int(d):
  1166. arr = (y, m, day)
  1167. return "-".join("%s" % i for i in arr)
  1168. @run_safe_model("format_date")
  1169. def format_date(date, old_format="", new_format="%Y-%m-%d %H:%M:%S"):
  1170. """
  1171. @summary: 格式化日期格式
  1172. ---------
  1173. @param date: 日期 eg:2017年4月17日 3时27分12秒
  1174. @param old_format: 原来的日期格式 如 '%Y年%m月%d日 %H时%M分%S秒'
  1175. %y 两位数的年份表示(00-99)
  1176. %Y 四位数的年份表示(000-9999)
  1177. %m 月份(01-12)
  1178. %d 月内中的一天(0-31)
  1179. %H 24小时制小时数(0-23)
  1180. %I 12小时制小时数(01-12)
  1181. %M 分钟数(00-59)
  1182. %S 秒(00-59)
  1183. @param new_format: 输出的日期格式
  1184. ---------
  1185. @result: 格式化后的日期,类型为字符串 如2017-4-17 03:27:12
  1186. """
  1187. if not date:
  1188. return ""
  1189. if not old_format:
  1190. regex = "(\d+)"
  1191. numbers = get_info(date, regex, allow_repeat=True)
  1192. formats = ["%Y", "%m", "%d", "%H", "%M", "%S"]
  1193. old_format = date
  1194. for i, number in enumerate(numbers[:6]):
  1195. if i == 0 and len(number) == 2: # 年份可能是两位 用小%y
  1196. old_format = old_format.replace(
  1197. number, formats[i].lower(), 1
  1198. ) # 替换一次 '2017年11月30日 11:49' 防止替换11月时,替换11小时
  1199. else:
  1200. old_format = old_format.replace(number, formats[i], 1) # 替换一次
  1201. try:
  1202. date_obj = datetime.datetime.strptime(date, old_format)
  1203. if "T" in date and "Z" in date:
  1204. date_obj += datetime.timedelta(hours=8)
  1205. date_str = date_obj.strftime("%Y-%m-%d %H:%M:%S")
  1206. else:
  1207. date_str = datetime.datetime.strftime(date_obj, new_format)
  1208. except Exception as e:
  1209. log.error("日期格式化出错,old_format = %s 不符合 %s 格式" % (old_format, date))
  1210. date_str = date
  1211. return date_str
  1212. def transform_lower_num(data_str: str):
  1213. num_map = {
  1214. "一": "1",
  1215. "二": "2",
  1216. "三": "3",
  1217. "四": "4",
  1218. "五": "5",
  1219. "六": "6",
  1220. "七": "7",
  1221. "八": "8",
  1222. "九": "9",
  1223. "十": "0",
  1224. }
  1225. pattern = f'[{"|".join(num_map.keys())}|零]'
  1226. res = re.search(pattern, data_str)
  1227. if not res:
  1228. # 如果字符串中没有包含中文数字 不做处理 直接返回
  1229. return data_str
  1230. data_str = data_str.replace("0", "零")
  1231. for n in num_map:
  1232. data_str = data_str.replace(n, num_map[n])
  1233. re_data_str = re.findall("\d+", data_str)
  1234. for i in re_data_str:
  1235. if len(i) == 3:
  1236. new_i = i.replace("0", "")
  1237. data_str = data_str.replace(i, new_i, 1)
  1238. elif len(i) == 4:
  1239. new_i = i.replace("10", "")
  1240. data_str = data_str.replace(i, new_i, 1)
  1241. elif len(i) == 2 and int(i) < 10:
  1242. new_i = int(i) + 10
  1243. data_str = data_str.replace(i, str(new_i), 1)
  1244. elif len(i) == 1 and int(i) == 0:
  1245. new_i = int(i) + 10
  1246. data_str = data_str.replace(i, str(new_i), 1)
  1247. return data_str.replace("零", "0")
  1248. @run_safe_model("format_time")
  1249. def format_time(release_time, date_format="%Y-%m-%d %H:%M:%S"):
  1250. """
  1251. >>> format_time("2个月前")
  1252. '2021-08-15 16:24:21'
  1253. >>> format_time("2月前")
  1254. '2021-08-15 16:24:36'
  1255. """
  1256. release_time = transform_lower_num(release_time)
  1257. release_time = release_time.replace("日", "天").replace("/", "-")
  1258. if "年前" in release_time:
  1259. years = re.compile("(\d+)\s*年前").findall(release_time)
  1260. years_ago = datetime.datetime.now() - datetime.timedelta(
  1261. days=int(years[0]) * 365
  1262. )
  1263. release_time = years_ago.strftime("%Y-%m-%d %H:%M:%S")
  1264. elif "月前" in release_time:
  1265. months = re.compile("(\d+)[\s个]*月前").findall(release_time)
  1266. months_ago = datetime.datetime.now() - datetime.timedelta(
  1267. days=int(months[0]) * 30
  1268. )
  1269. release_time = months_ago.strftime("%Y-%m-%d %H:%M:%S")
  1270. elif "周前" in release_time:
  1271. weeks = re.compile("(\d+)\s*周前").findall(release_time)
  1272. weeks_ago = datetime.datetime.now() - datetime.timedelta(days=int(weeks[0]) * 7)
  1273. release_time = weeks_ago.strftime("%Y-%m-%d %H:%M:%S")
  1274. elif "天前" in release_time:
  1275. ndays = re.compile("(\d+)\s*天前").findall(release_time)
  1276. days_ago = datetime.datetime.now() - datetime.timedelta(days=int(ndays[0]))
  1277. release_time = days_ago.strftime("%Y-%m-%d %H:%M:%S")
  1278. elif "小时前" in release_time:
  1279. nhours = re.compile("(\d+)\s*小时前").findall(release_time)
  1280. hours_ago = datetime.datetime.now() - datetime.timedelta(hours=int(nhours[0]))
  1281. release_time = hours_ago.strftime("%Y-%m-%d %H:%M:%S")
  1282. elif "分钟前" in release_time:
  1283. nminutes = re.compile("(\d+)\s*分钟前").findall(release_time)
  1284. minutes_ago = datetime.datetime.now() - datetime.timedelta(
  1285. minutes=int(nminutes[0])
  1286. )
  1287. release_time = minutes_ago.strftime("%Y-%m-%d %H:%M:%S")
  1288. elif "前天" in release_time:
  1289. today = datetime.date.today()
  1290. yesterday = today - datetime.timedelta(days=2)
  1291. release_time = release_time.replace("前天", str(yesterday))
  1292. elif "昨天" in release_time:
  1293. today = datetime.date.today()
  1294. yesterday = today - datetime.timedelta(days=1)
  1295. release_time = release_time.replace("昨天", str(yesterday))
  1296. elif "今天" in release_time:
  1297. release_time = release_time.replace("今天", get_current_date("%Y-%m-%d"))
  1298. elif "刚刚" in release_time:
  1299. release_time = get_current_date()
  1300. elif re.search("^\d\d:\d\d", release_time):
  1301. release_time = get_current_date("%Y-%m-%d") + " " + release_time
  1302. elif not re.compile("\d{4}").findall(release_time):
  1303. month = re.compile("\d{1,2}").findall(release_time)
  1304. if month and int(month[0]) <= int(get_current_date("%m")):
  1305. release_time = get_current_date("%Y") + "-" + release_time
  1306. else:
  1307. release_time = str(int(get_current_date("%Y")) - 1) + "-" + release_time
  1308. # 把日和小时粘在一起的拆开
  1309. template = re.compile("(\d{4}-\d{1,2}-\d{2})(\d{1,2})")
  1310. release_time = re.sub(template, r"\1 \2", release_time)
  1311. release_time = format_date(release_time, new_format=date_format)
  1312. return release_time
  1313. def to_date(date_str, date_format="%Y-%m-%d %H:%M:%S"):
  1314. return datetime.datetime.strptime(date_str, date_format)
  1315. def get_before_date(
  1316. current_date,
  1317. days,
  1318. current_date_format="%Y-%m-%d %H:%M:%S",
  1319. return_date_format="%Y-%m-%d %H:%M:%S",
  1320. ):
  1321. """
  1322. @summary: 获取之前时间
  1323. ---------
  1324. @param current_date: 当前时间 str类型
  1325. @param days: 时间间隔 -1 表示前一天 1 表示后一天
  1326. @param days: 返回的时间格式
  1327. ---------
  1328. @result: 字符串
  1329. """
  1330. current_date = to_date(current_date, current_date_format)
  1331. date_obj = current_date + datetime.timedelta(days=days)
  1332. return datetime.datetime.strftime(date_obj, return_date_format)
  1333. def get_utcnow():
  1334. """utc时间"""
  1335. return datetime.datetime.utcnow()
  1336. def delay_time(sleep_time=60):
  1337. """
  1338. @summary: 睡眠 默认1分钟
  1339. ---------
  1340. @param sleep_time: 以秒为单位
  1341. ---------
  1342. @result:
  1343. """
  1344. time.sleep(sleep_time)
  1345. def format_seconds(seconds):
  1346. """
  1347. @summary: 将秒转为时分秒
  1348. ---------
  1349. @param seconds:
  1350. ---------
  1351. @result: 2天3小时2分49秒
  1352. """
  1353. seconds = int(seconds + 0.5) # 向上取整
  1354. m, s = divmod(seconds, 60)
  1355. h, m = divmod(m, 60)
  1356. d, h = divmod(h, 24)
  1357. times = ""
  1358. if d:
  1359. times += "{}天".format(d)
  1360. if h:
  1361. times += "{}小时".format(h)
  1362. if m:
  1363. times += "{}分".format(m)
  1364. if s:
  1365. times += "{}秒".format(s)
  1366. return times
  1367. ################################################
  1368. def get_md5(*args):
  1369. """
  1370. @summary: 获取唯一的32位md5
  1371. ---------
  1372. @param *args: 参与联合去重的值
  1373. ---------
  1374. @result: 7c8684bcbdfcea6697650aa53d7b1405
  1375. """
  1376. m = hashlib.md5()
  1377. for arg in args:
  1378. m.update(str(arg).encode())
  1379. return m.hexdigest()
  1380. def get_sha1(*args):
  1381. """
  1382. @summary: 获取唯一的40位值, 用于获取唯一的id
  1383. ---------
  1384. @param *args: 参与联合去重的值
  1385. ---------
  1386. @result: ba4868b3f277c8e387b55d9e3d0be7c045cdd89e
  1387. """
  1388. sha1 = hashlib.sha1()
  1389. for arg in args:
  1390. sha1.update(str(arg).encode())
  1391. return sha1.hexdigest() # 40位
  1392. def get_sha256(*args):
  1393. """
  1394. @summary: 获取唯一的64位值, 用于获取唯一的id
  1395. ---------
  1396. @param *args: 参与联合去重的值
  1397. ---------
  1398. @result: 5580c91ea29bf5bd963f4c08dfcacd983566e44ecea1735102bc380576fd6f30
  1399. """
  1400. # sha256 = hashlib.sha256()
  1401. # for arg in args:
  1402. # sha256.update(str(arg).encode())
  1403. # return sha256.hexdigest()
  1404. sha256 = SHA256Hash()
  1405. for arg in args:
  1406. sha256.update(str(arg).encode('utf-8'))
  1407. return sha256.hexdigest() # 64位
  1408. def get_base64(secret, message):
  1409. """
  1410. @summary: 数字证书签名算法是:"HMAC-SHA256"
  1411. 参考:https://www.jokecamp.com/blog/examples-of-creating-base64-hashes-using-hmac-sha256-in-different-languages/
  1412. ---------
  1413. @param secret: 秘钥
  1414. @param message: 消息
  1415. ---------
  1416. @result: 签名输出类型是:"base64"
  1417. """
  1418. import hashlib
  1419. import hmac
  1420. import base64
  1421. message = bytes(message, "utf-8")
  1422. secret = bytes(secret, "utf-8")
  1423. signature = base64.b64encode(
  1424. hmac.new(secret, message, digestmod=hashlib.sha256).digest()
  1425. ).decode("utf8")
  1426. return signature
  1427. def get_uuid(key1="", key2=""):
  1428. """
  1429. @summary: 计算uuid值
  1430. 可用于将两个字符串组成唯一的值。如可将域名和新闻标题组成uuid,形成联合索引
  1431. ---------
  1432. @param key1:str
  1433. @param key2:str
  1434. ---------
  1435. @result:
  1436. """
  1437. uuid_object = ""
  1438. if not key1 and not key2:
  1439. uuid_object = uuid.uuid1()
  1440. else:
  1441. hash = md5(bytes(key1, "utf-8") + bytes(key2, "utf-8")).digest()
  1442. uuid_object = uuid.UUID(bytes=hash[:16], version=3)
  1443. return str(uuid_object)
  1444. def get_hash(text):
  1445. return hash(text)
  1446. ##################################################
  1447. def cut_string(text, length):
  1448. """
  1449. @summary: 将文本按指定长度拆分
  1450. ---------
  1451. @param text: 文本
  1452. @param length: 拆分长度
  1453. ---------
  1454. @result: 返回按指定长度拆分后形成的list
  1455. """
  1456. text_list = re.findall(".{%d}" % length, text, re.S)
  1457. leave_text = text[len(text_list) * length :]
  1458. if leave_text:
  1459. text_list.append(leave_text)
  1460. return text_list
  1461. def get_random_string(length=1):
  1462. random_string = "".join(random.sample(string.ascii_letters + string.digits, length))
  1463. return random_string
  1464. def get_random_password(length=8, special_characters=""):
  1465. """
  1466. @summary: 创建随机密码 默认长度为8,包含大写字母、小写字母、数字
  1467. ---------
  1468. @param length: 密码长度 默认8
  1469. @param special_characters: 特殊字符
  1470. ---------
  1471. @result: 指定长度的密码
  1472. """
  1473. while True:
  1474. random_password = "".join(
  1475. random.sample(
  1476. string.ascii_letters + string.digits + special_characters, length
  1477. )
  1478. )
  1479. if (
  1480. re.search("[0-9]", random_password)
  1481. and re.search("[A-Z]", random_password)
  1482. and re.search("[a-z]", random_password)
  1483. ):
  1484. if not special_characters:
  1485. break
  1486. elif set(random_password).intersection(special_characters):
  1487. break
  1488. return random_password
  1489. def get_random_email(length=None, email_types: list = None, special_characters=""):
  1490. """
  1491. 随机生成邮箱
  1492. :param length: 邮箱长度
  1493. :param email_types: 邮箱类型
  1494. :param special_characters: 特殊字符
  1495. :return:
  1496. """
  1497. if not length:
  1498. length = random.randint(4, 12)
  1499. if not email_types:
  1500. email_types = [
  1501. "qq.com",
  1502. "163.com",
  1503. "gmail.com",
  1504. "yahoo.com",
  1505. "hotmail.com",
  1506. "yeah.net",
  1507. "126.com",
  1508. "139.com",
  1509. "sohu.com",
  1510. ]
  1511. email_body = get_random_password(length, special_characters)
  1512. email_type = random.choice(email_types)
  1513. email = email_body + "@" + email_type
  1514. return email
  1515. #################################
  1516. def dumps_obj(obj):
  1517. return pickle.dumps(obj)
  1518. def loads_obj(obj_str):
  1519. return pickle.loads(obj_str)
  1520. def get_method(obj, name):
  1521. name = str(name)
  1522. try:
  1523. return getattr(obj, name)
  1524. except AttributeError:
  1525. log.error("Method %r not found in: %s" % (name, obj))
  1526. return None
  1527. def witch_workspace(project_path):
  1528. """
  1529. @summary:
  1530. ---------
  1531. @param project_path:
  1532. ---------
  1533. @result:
  1534. """
  1535. os.chdir(project_path) # 切换工作路经
  1536. ############### 数据库相关 #######################
  1537. def format_sql_value(value):
  1538. if isinstance(value, str):
  1539. value = value.strip()
  1540. elif isinstance(value, (list, dict)):
  1541. value = dumps_json(value, indent=None)
  1542. elif isinstance(value, (datetime.date, datetime.time)):
  1543. value = str(value)
  1544. elif isinstance(value, bool):
  1545. value = int(value)
  1546. return value
  1547. def list2str(datas):
  1548. """
  1549. 列表转字符串
  1550. :param datas: [1, 2]
  1551. :return: (1, 2)
  1552. """
  1553. data_str = str(tuple(datas))
  1554. data_str = re.sub(",\)$", ")", data_str)
  1555. return data_str
  1556. def make_insert_sql(
  1557. table, data, auto_update=False, update_columns=(), insert_ignore=False
  1558. ):
  1559. """
  1560. @summary: 适用于mysql, oracle数据库时间需要to_date 处理(TODO)
  1561. ---------
  1562. @param table:
  1563. @param data: 表数据 json格式
  1564. @param auto_update: 使用的是replace into, 为完全覆盖已存在的数据
  1565. @param update_columns: 需要更新的列 默认全部,当指定值时,auto_update设置无效,当duplicate key冲突时更新指定的列
  1566. @param insert_ignore: 数据存在忽略
  1567. ---------
  1568. @result:
  1569. """
  1570. keys = ["`{}`".format(key) for key in data.keys()]
  1571. keys = list2str(keys).replace("'", "")
  1572. values = [format_sql_value(value) for value in data.values()]
  1573. values = list2str(values)
  1574. if update_columns:
  1575. if not isinstance(update_columns, (tuple, list)):
  1576. update_columns = [update_columns]
  1577. update_columns_ = ", ".join(
  1578. ["{key}=values({key})".format(key=key) for key in update_columns]
  1579. )
  1580. sql = (
  1581. "insert%s into `{table}` {keys} values {values} on duplicate key update %s"
  1582. % (" ignore" if insert_ignore else "", update_columns_)
  1583. )
  1584. elif auto_update:
  1585. sql = "replace into `{table}` {keys} values {values}"
  1586. else:
  1587. sql = "insert%s into `{table}` {keys} values {values}" % (
  1588. " ignore" if insert_ignore else ""
  1589. )
  1590. sql = sql.format(table=table, keys=keys, values=values).replace("None", "null")
  1591. return sql
  1592. def make_update_sql(table, data, condition):
  1593. """
  1594. @summary: 适用于mysql, oracle数据库时间需要to_date 处理(TODO)
  1595. ---------
  1596. @param table:
  1597. @param data: 表数据 json格式
  1598. @param condition: where 条件
  1599. ---------
  1600. @result:
  1601. """
  1602. key_values = []
  1603. for key, value in data.items():
  1604. value = format_sql_value(value)
  1605. if isinstance(value, str):
  1606. key_values.append("`{}`={}".format(key, repr(value)))
  1607. elif value is None:
  1608. key_values.append("`{}`={}".format(key, "null"))
  1609. else:
  1610. key_values.append("`{}`={}".format(key, value))
  1611. key_values = ", ".join(key_values)
  1612. sql = "update `{table}` set {key_values} where {condition}"
  1613. sql = sql.format(table=table, key_values=key_values, condition=condition)
  1614. return sql
  1615. def make_batch_sql(
  1616. table, datas, auto_update=False, update_columns=(), update_columns_value=()
  1617. ):
  1618. """
  1619. @summary: 生产批量的sql
  1620. ---------
  1621. @param table:
  1622. @param datas: 表数据 [{...}]
  1623. @param auto_update: 使用的是replace into, 为完全覆盖已存在的数据
  1624. @param update_columns: 需要更新的列 默认全部,当指定值时,auto_update设置无效,当duplicate key冲突时更新指定的列
  1625. @param update_columns_value: 需要更新的列的值 默认为datas里边对应的值, 注意 如果值为字符串类型 需要主动加单引号, 如 update_columns_value=("'test'",)
  1626. ---------
  1627. @result:
  1628. """
  1629. if not datas:
  1630. return
  1631. keys = list(datas[0].keys())
  1632. values_placeholder = ["%s"] * len(keys)
  1633. values = []
  1634. for data in datas:
  1635. value = []
  1636. for key in keys:
  1637. current_data = data.get(key)
  1638. current_data = format_sql_value(current_data)
  1639. value.append(current_data)
  1640. values.append(value)
  1641. keys = ["`{}`".format(key) for key in keys]
  1642. keys = list2str(keys).replace("'", "")
  1643. values_placeholder = list2str(values_placeholder).replace("'", "")
  1644. if update_columns:
  1645. if not isinstance(update_columns, (tuple, list)):
  1646. update_columns = [update_columns]
  1647. if update_columns_value:
  1648. update_columns_ = ", ".join(
  1649. [
  1650. "`{key}`={value}".format(key=key, value=value)
  1651. for key, value in zip(update_columns, update_columns_value)
  1652. ]
  1653. )
  1654. else:
  1655. update_columns_ = ", ".join(
  1656. ["`{key}`=values(`{key}`)".format(key=key) for key in update_columns]
  1657. )
  1658. sql = "insert into `{table}` {keys} values {values_placeholder} on duplicate key update {update_columns}".format(
  1659. table=table,
  1660. keys=keys,
  1661. values_placeholder=values_placeholder,
  1662. update_columns=update_columns_,
  1663. )
  1664. elif auto_update:
  1665. sql = "replace into `{table}` {keys} values {values_placeholder}".format(
  1666. table=table, keys=keys, values_placeholder=values_placeholder
  1667. )
  1668. else:
  1669. sql = "insert ignore into `{table}` {keys} values {values_placeholder}".format(
  1670. table=table, keys=keys, values_placeholder=values_placeholder
  1671. )
  1672. return sql, values
  1673. ############### json相关 #######################
  1674. def key2underline(key: str, strict=True):
  1675. """
  1676. >>> key2underline("HelloWord")
  1677. 'hello_word'
  1678. >>> key2underline("SHData", strict=True)
  1679. 's_h_data'
  1680. >>> key2underline("SHData", strict=False)
  1681. 'sh_data'
  1682. >>> key2underline("SHDataHi", strict=False)
  1683. 'sh_data_hi'
  1684. >>> key2underline("SHDataHi", strict=True)
  1685. 's_h_data_hi'
  1686. >>> key2underline("dataHi", strict=True)
  1687. 'data_hi'
  1688. """
  1689. regex = "[A-Z]*" if not strict else "[A-Z]"
  1690. capitals = re.findall(regex, key)
  1691. if capitals:
  1692. for capital in capitals:
  1693. if not capital:
  1694. continue
  1695. if key.startswith(capital):
  1696. if len(capital) > 1:
  1697. key = key.replace(
  1698. capital, capital[:-1].lower() + "_" + capital[-1].lower(), 1
  1699. )
  1700. else:
  1701. key = key.replace(capital, capital.lower(), 1)
  1702. else:
  1703. if len(capital) > 1:
  1704. key = key.replace(capital, "_" + capital.lower() + "_", 1)
  1705. else:
  1706. key = key.replace(capital, "_" + capital.lower(), 1)
  1707. return key.strip("_")
  1708. def key2hump(key):
  1709. """
  1710. 下划线试变成首字母大写
  1711. """
  1712. return key.title().replace("_", "")
  1713. def format_json_key(json_data):
  1714. json_data_correct = {}
  1715. for key, value in json_data.items():
  1716. key = key2underline(key)
  1717. json_data_correct[key] = value
  1718. return json_data_correct
  1719. def quick_to_json(text):
  1720. """
  1721. @summary: 可快速将浏览器上的header转为json格式
  1722. ---------
  1723. @param text:
  1724. ---------
  1725. @result:
  1726. """
  1727. contents = text.split("\n")
  1728. json = {}
  1729. for content in contents:
  1730. if content == "\n":
  1731. continue
  1732. content = content.strip()
  1733. regex = ["(:?.*?):(.*)", "(.*?):? +(.*)", "([^:]*)"]
  1734. result = get_info(content, regex)
  1735. result = result[0] if isinstance(result[0], tuple) else result
  1736. try:
  1737. json[result[0]] = eval(result[1].strip())
  1738. except:
  1739. json[result[0]] = result[1].strip()
  1740. return json
  1741. ##############################
  1742. def print_pretty(object):
  1743. pprint(object)
  1744. def print_params2json(url):
  1745. params_json = {}
  1746. params = url.split("?")[-1].split("&")
  1747. for param in params:
  1748. key_value = param.split("=", 1)
  1749. params_json[key_value[0]] = key_value[1]
  1750. print(dumps_json(params_json))
  1751. def print_cookie2json(cookie_str_or_list):
  1752. if isinstance(cookie_str_or_list, str):
  1753. cookie_json = {}
  1754. cookies = cookie_str_or_list.split("; ")
  1755. for cookie in cookies:
  1756. name, value = cookie.split("=")
  1757. cookie_json[name] = value
  1758. else:
  1759. cookie_json = get_cookies_from_selenium_cookie(cookie_str_or_list)
  1760. print(dumps_json(cookie_json))
  1761. ###############################
  1762. def flatten(x):
  1763. """flatten(sequence) -> list
  1764. Returns a single, flat list which contains all elements retrieved
  1765. from the sequence and all recursively contained sub-sequences
  1766. (iterables).
  1767. Examples:
  1768. >>> [1, 2, [3,4], (5,6)]
  1769. [1, 2, [3, 4], (5, 6)]
  1770. >>> flatten([[[1,2,3], (42,None)], [4,5], [6], 7, (8,9,10)])
  1771. [1, 2, 3, 42, None, 4, 5, 6, 7, 8, 9, 10]
  1772. >>> flatten(["foo", "bar"])
  1773. ['foo', 'bar']
  1774. >>> flatten(["foo", ["baz", 42], "bar"])
  1775. ['foo', 'baz', 42, 'bar']
  1776. """
  1777. return list(iflatten(x))
  1778. def iflatten(x):
  1779. """iflatten(sequence) -> iterator
  1780. Similar to ``.flatten()``, but returns iterator instead"""
  1781. for el in x:
  1782. if _is_listlike(el):
  1783. for el_ in flatten(el):
  1784. yield el_
  1785. else:
  1786. yield el
  1787. def _is_listlike(x):
  1788. """
  1789. >>> _is_listlike("foo")
  1790. False
  1791. >>> _is_listlike(5)
  1792. False
  1793. >>> _is_listlike(b"foo")
  1794. False
  1795. >>> _is_listlike([b"foo"])
  1796. True
  1797. >>> _is_listlike((b"foo",))
  1798. True
  1799. >>> _is_listlike({})
  1800. True
  1801. >>> _is_listlike(set())
  1802. True
  1803. >>> _is_listlike((x for x in range(3)))
  1804. True
  1805. >>> _is_listlike(six.moves.xrange(5))
  1806. True
  1807. """
  1808. return hasattr(x, "__iter__") and not isinstance(x, (six.text_type, bytes))
  1809. ###################
  1810. def re_def_supper_class(obj, supper_class):
  1811. """
  1812. 重新定义父类
  1813. @param obj: 类 如 class A: 则obj为A 或者 A的实例 a.__class__
  1814. @param supper_class: 父类
  1815. @return:
  1816. """
  1817. obj.__bases__ = (supper_class,)
  1818. ###################
  1819. freq_limit_record = {}
  1820. def reach_freq_limit(rate_limit, *key):
  1821. """
  1822. 频率限制
  1823. :param rate_limit: 限制时间 单位秒
  1824. :param key: 频率限制的key
  1825. :return: True / False
  1826. """
  1827. if rate_limit == 0:
  1828. return False
  1829. msg_md5 = get_md5(*key)
  1830. key = "rate_limit:{}".format(msg_md5)
  1831. try:
  1832. if get_redisdb().get(key):
  1833. return True
  1834. get_redisdb().set(key, time.time(), ex=rate_limit)
  1835. except redis.exceptions.ConnectionError as e:
  1836. # 使用内存做频率限制
  1837. global freq_limit_record
  1838. if key not in freq_limit_record:
  1839. freq_limit_record[key] = time.time()
  1840. return False
  1841. if time.time() - freq_limit_record.get(key) < rate_limit:
  1842. return True
  1843. else:
  1844. freq_limit_record[key] = time.time()
  1845. return False
  1846. def dingding_warning(
  1847. message, message_prefix=None, rate_limit=None, url=None, user_phone=None
  1848. ):
  1849. # 为了加载最新的配置
  1850. rate_limit = rate_limit if rate_limit is not None else setting.WARNING_INTERVAL
  1851. url = url or setting.DINGDING_WARNING_URL
  1852. user_phone = user_phone or setting.DINGDING_WARNING_PHONE
  1853. if not all([url, message]):
  1854. return
  1855. if reach_freq_limit(rate_limit, url, user_phone, message_prefix or message):
  1856. log.info("报警时间间隔过短,此次报警忽略。 内容 {}".format(message))
  1857. return
  1858. if isinstance(user_phone, str):
  1859. user_phone = [user_phone] if user_phone else []
  1860. data = {
  1861. "msgtype": "text",
  1862. "text": {"content": message},
  1863. "at": {"atMobiles": user_phone, "isAtAll": setting.DINGDING_WARNING_ALL},
  1864. }
  1865. headers = {"Content-Type": "application/json"}
  1866. try:
  1867. response = requests.post(
  1868. url, headers=headers, data=json.dumps(data).encode("utf8")
  1869. )
  1870. result = response.json()
  1871. response.close()
  1872. if result.get("errcode") == 0:
  1873. return True
  1874. else:
  1875. raise Exception(result.get("errmsg"))
  1876. except Exception as e:
  1877. log.error("报警发送失败。 报警内容 {}, error: {}".format(message, e))
  1878. return False
  1879. def email_warning(
  1880. message,
  1881. title,
  1882. message_prefix=None,
  1883. email_sender=None,
  1884. email_password=None,
  1885. email_receiver=None,
  1886. email_smtpserver=None,
  1887. rate_limit=None,
  1888. ):
  1889. # 为了加载最新的配置
  1890. email_sender = email_sender or setting.EMAIL_SENDER
  1891. email_password = email_password or setting.EMAIL_PASSWORD
  1892. email_receiver = email_receiver or setting.EMAIL_RECEIVER
  1893. email_smtpserver = email_smtpserver or setting.EMAIL_SMTPSERVER
  1894. rate_limit = rate_limit if rate_limit is not None else setting.WARNING_INTERVAL
  1895. if not all([message, email_sender, email_password, email_receiver]):
  1896. return
  1897. if reach_freq_limit(
  1898. rate_limit, email_receiver, email_sender, message_prefix or message
  1899. ):
  1900. log.info("报警时间间隔过短,此次报警忽略。 内容 {}".format(message))
  1901. return
  1902. if isinstance(email_receiver, str):
  1903. email_receiver = [email_receiver]
  1904. with EmailSender(
  1905. username=email_sender, password=email_password, smtpserver=email_smtpserver
  1906. ) as email:
  1907. return email.send(receivers=email_receiver, title=title, content=message)
  1908. def linkedsee_warning(message, rate_limit=3600, message_prefix=None, token=None):
  1909. """
  1910. 灵犀电话报警
  1911. Args:
  1912. message:
  1913. rate_limit:
  1914. message_prefix:
  1915. token:
  1916. Returns:
  1917. """
  1918. if not token:
  1919. log.info("未设置灵犀token,不支持报警")
  1920. return
  1921. if reach_freq_limit(rate_limit, token, message_prefix or message):
  1922. log.info("报警时间间隔过短,此次报警忽略。 内容 {}".format(message))
  1923. return
  1924. headers = {"servicetoken": token, "Content-Type": "application/json"}
  1925. url = "http://www.linkedsee.com/alarm/zabbix"
  1926. data = {"content": message}
  1927. response = requests.post(url, data=json.dumps(data), headers=headers)
  1928. return response
  1929. def wechat_warning(
  1930. message,
  1931. message_prefix=None,
  1932. rate_limit=None,
  1933. url=None,
  1934. user_phone=None,
  1935. all_users: bool = None,
  1936. ):
  1937. """企业微信报警"""
  1938. # 为了加载最新的配置
  1939. rate_limit = rate_limit if rate_limit is not None else setting.WARNING_INTERVAL
  1940. url = url or setting.WECHAT_WARNING_URL
  1941. user_phone = user_phone or setting.WECHAT_WARNING_PHONE
  1942. all_users = all_users if all_users is not None else setting.WECHAT_WARNING_ALL
  1943. if isinstance(user_phone, str):
  1944. user_phone = [user_phone] if user_phone else []
  1945. if all_users is True or not user_phone:
  1946. user_phone = ["@all"]
  1947. if not all([url, message]):
  1948. return
  1949. if reach_freq_limit(rate_limit, url, user_phone, message_prefix or message):
  1950. log.info("报警时间间隔过短,此次报警忽略。 内容 {}".format(message))
  1951. return
  1952. data = {
  1953. "msgtype": "text",
  1954. "text": {"content": message, "mentioned_mobile_list": user_phone},
  1955. }
  1956. headers = {"Content-Type": "application/json"}
  1957. try:
  1958. response = requests.post(
  1959. url, headers=headers, data=json.dumps(data).encode("utf8")
  1960. )
  1961. result = response.json()
  1962. response.close()
  1963. if result.get("errcode") == 0:
  1964. return True
  1965. else:
  1966. raise Exception(result.get("errmsg"))
  1967. except Exception as e:
  1968. log.error("报警发送失败。 报警内容 {}, error: {}".format(message, e))
  1969. return False
  1970. def send_msg(msg, level="debug", message_prefix=""):
  1971. if setting.WARNING_LEVEL == "ERROR":
  1972. if level != "error":
  1973. return
  1974. if setting.DINGDING_WARNING_URL:
  1975. keyword = "feapder报警系统\n"
  1976. dingding_warning(keyword + msg, message_prefix=message_prefix)
  1977. if setting.EMAIL_RECEIVER:
  1978. title = message_prefix or msg
  1979. if len(title) > 50:
  1980. title = title[:50] + "..."
  1981. email_warning(msg, message_prefix=message_prefix, title=title)
  1982. if setting.WECHAT_WARNING_URL:
  1983. keyword = "feapder报警系统\n"
  1984. wechat_warning(keyword + msg, message_prefix=message_prefix)
  1985. ###################
  1986. def make_item(cls, data: dict):
  1987. """提供Item类与原数据,快速构建Item实例
  1988. :param cls: Item类
  1989. :param data: 字典格式的数据
  1990. """
  1991. item = cls()
  1992. for key, val in data.items():
  1993. setattr(item, key, val)
  1994. return item
  1995. ###################
  1996. def aio_wrap(loop=None, executor=None):
  1997. """
  1998. wrap a normal sync version of a function to an async version
  1999. """
  2000. outer_loop = loop
  2001. outer_executor = executor
  2002. def wrap(fn):
  2003. @wraps(fn)
  2004. async def run(*args, loop=None, executor=None, **kwargs):
  2005. if loop is None:
  2006. if outer_loop is None:
  2007. loop = asyncio.get_event_loop()
  2008. else:
  2009. loop = outer_loop
  2010. if executor is None:
  2011. executor = outer_executor
  2012. pfunc = partial(fn, *args, **kwargs)
  2013. return await loop.run_in_executor(executor, pfunc)
  2014. return run
  2015. return wrap
  2016. ######### number ##########
  2017. def ensure_int(n):
  2018. """
  2019. >>> ensure_int(None)
  2020. 0
  2021. >>> ensure_int(False)
  2022. 0
  2023. >>> ensure_int(12)
  2024. 12
  2025. >>> ensure_int("72")
  2026. 72
  2027. >>> ensure_int('')
  2028. 0
  2029. >>> ensure_int('1')
  2030. 1
  2031. """
  2032. if not n:
  2033. return 0
  2034. return int(n)
  2035. def ensure_float(n):
  2036. """
  2037. >>> ensure_float(None)
  2038. 0.0
  2039. >>> ensure_float(False)
  2040. 0.0
  2041. >>> ensure_float(12)
  2042. 12.0
  2043. >>> ensure_float("72")
  2044. 72.0
  2045. """
  2046. if not n:
  2047. return 0.0
  2048. return float(n)
  2049. def ensure_int64(n):
  2050. """
  2051. >>> ensure_int64(None)
  2052. 0
  2053. >>> ensure_float(False)
  2054. 0
  2055. >>> ensure_float(12)
  2056. 12
  2057. >>> ensure_float("72")
  2058. 72
  2059. """
  2060. if not n:
  2061. return bson.int64.Int64(0)
  2062. return bson.int64.Int64(n)