fix var name consistency error

change var name to reach human friendly
add type hinting
PEP8 formatting

scraper.py

@@ -1,11 +1,12 @@
 # build-in lib
 import json
 import secrets
+import typing
 from pathlib import Path
 
 # third party lib
+import opencc
 from lxml import etree
-
 # project wide definitions
 import config
 from ADC_function import (translate,
@@ -17,9 +18,17 @@ from ADC_function import (translate,
 from scrapinglib.api import search
 
 
-def get_data_from_json(file_number, oCC, specified_source, specified_url):
+def get_data_from_json(
+        file_number: str,
+        open_cc: opencc.OpenCC,
+        specified_source: str, specified_url: str) -> typing.Optional[dict]:
     """
-    iterate through all services and fetch the data 从JSON返回元数据
+    iterate through all services and fetch the data 从网站上查询片名解析JSON返回元数据
+    :param file_number: 影片名称
+    :param open_cc: 简繁转换器
+    :param specified_source: 指定的媒体数据源
+    :param specified_url: 指定的数据查询地址, 目前未使用
+    :return 给定影片名称的具体信息
     """
 
     actor_mapping_data = etree.parse(str(Path.home() / '.local' / 'share' / 'mdc' / 'mapping_actor.xml'))
@@ -36,12 +45,14 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
     if config_proxy.enable:
         proxies = config_proxy.proxies()
 
+    # javdb website logic
+    # javdb have suffix
     javdb_sites = conf.javdb_sites().split(',')
     for i in javdb_sites:
         javdb_sites[javdb_sites.index(i)] = "javdb" + i
     javdb_sites.append("javdb")
     # 不加载过期的cookie，javdb登录界面显示为7天免登录，故假定cookie有效期为7天
-    has_json = False
+    has_valid_cookie = False
     for cj in javdb_sites:
         javdb_site = cj
         cookie_json = javdb_site + '.json'
@@ -50,12 +61,12 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
             cdays = file_modification_days(cookies_filepath)
             if cdays < 7:
                 javdb_cookies = cookies_dict
-                has_json = True
+                has_valid_cookie = True
                 break
             elif cdays != 9999:
                 print(
                     f'[!]Cookies file {cookies_filepath} was updated {cdays} days ago, it will not be used for HTTP requests.')
-    if not has_json:
+    if not has_valid_cookie:
         # get real random site from javdb_sites, because random is not really random when the seed value is known
         javdb_site = secrets.choice(javdb_sites)
         javdb_cookies = None
@@ -64,11 +75,12 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
     if conf.cacert_file():
         ca_cert = conf.cacert_file()
 
-    json_data = search(file_number, sources, proxies=proxies, verify=cacert,
+    json_data = search(file_number, sources, proxies=proxies, verify=ca_cert,
                        dbsite=javdb_site, dbcookies=javdb_cookies,
                        morestoryline=conf.is_storyline(),
                        specifiedSource=specified_source, specifiedUrl=specified_url,
                        debug=conf.debug())
+
     # Return if data not found in all sources
     if not json_data:
         print('[-]Movie Number not found!')
@@ -190,7 +202,7 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
             if len(t):
                 json_data[translate_value] = special_characters_replacement(t)
 
-    if oCC:
+    if open_cc:
         cc_vars = conf.cc_convert_vars().split(",")
         ccm = conf.cc_convert_mode()
 
@@ -223,8 +235,8 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
                         json_data['actor_list'] = convert_list(actor_mapping_data, "jp", json_data['actor_list'])
                         json_data['actor'] = convert(actor_mapping_data, "jp", json_data['actor'])
                 except:
-                    json_data['actor_list'] = [oCC.convert(aa) for aa in json_data['actor_list']]
-                    json_data['actor'] = oCC.convert(json_data['actor'])
+                    json_data['actor_list'] = [open_cc.convert(aa) for aa in json_data['actor_list']]
+                    json_data['actor'] = open_cc.convert(json_data['actor'])
             elif cc == "tag":
                 try:
                     if ccm == 1:
@@ -237,7 +249,7 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
                         json_data[cc] = convert_list(info_mapping_data, "jp", json_data[cc])
                         json_data[cc] = delete_all_elements_in_list("删除", json_data[cc])
                 except:
-                    json_data[cc] = [oCC.convert(t) for t in json_data[cc]]
+                    json_data[cc] = [open_cc.convert(t) for t in json_data[cc]]
             else:
                 try:
                     if ccm == 1:
@@ -250,7 +262,7 @@ def get_data_from_json(file_number, oCC, specified_source, specified_url):
                         json_data[cc] = convert(info_mapping_data, "jp", json_data[cc])
                         json_data[cc] = delete_all_elements_in_str("删除", json_data[cc])
                 except IndexError:
-                    json_data[cc] = oCC.convert(json_data[cc])
+                    json_data[cc] = open_cc.convert(json_data[cc])
                 except:
                     pass