Update code style

get.py

@@ -1,13 +1,16 @@
 #!/usr/bin/python3
 
-import requests
+"""Download shelves from goodreads."""
-from http.cookiejar import LWPCookieJar
+
 import os
 import re
-import lxml.html
+from http.cookiejar import LWPCookieJar
 from random import shuffle
 from time import sleep
 
+import lxml.html
+import requests
+
 re_recommend = re.compile(
     '  <a class="actionLinkLite " href="(/recommendations/([^/]*?)/([^/]*?))">'
 )
@@ -20,10 +23,11 @@ cookie_file = os.path.join(cookie_dir, "goodreads")
 cj = LWPCookieJar(cookie_file)
 if os.path.exists(cookie_file):
     cj.load()
-s.cookies = cj
+s.cookies = cj  # type: ignore
 
 
-def login():
+def login() -> None:
+    """Login."""
     sign_in_page = "https://www.goodreads.com/user/sign_in"
     page = s.get(sign_in_page).text
     open("sign_in.html", "w").write(page)
@@ -33,9 +37,12 @@ def login():
     re_token = re.compile(
         '<input type="hidden" name="authenticity_token" value="([^"]*?)" />'
     )
-    re_n = re.compile("<input name='n' type='hidden' value='(\d+)'>")
+    re_n = re.compile(r"<input name='n' type='hidden' value='(\d+)'>")
+    m_n = re_n.search(page)
+    m_token = re_token.search(page)
 
-    token = re_token.search(page).group(1)
+    assert m_token and m_n
+    token = m_token.group(1)
 
     data = {
         "utf8": "\u2713",
@@ -44,7 +51,7 @@ def login():
         "user[password]": "8V8~9:3~U!Ly",
         "remember_me": 1,
         "next": "Sign in",
-        "n": re_n.search(page).group(1),
+        "n": m_n.group(1),
     }
 
     print(token)
@@ -62,7 +69,8 @@ def login():
     cj.save(ignore_discard=True)
 
 
-def get_index():
+def get_index() -> None:
+    """Get index."""
     # url = 'https://www.goodreads.com/recommendations'
     url = "https://www.goodreads.com/recommendations/?recs_current_view=list"
 
@@ -71,6 +79,7 @@ def get_index():
 
 
 def get_individual():
+    """Get individual page."""
     for line in open("recommendations.html"):
         if "actionLinkLite" not in line:
             continue
@@ -79,6 +88,8 @@ def get_individual():
             yield m.groups()
 
 
+def main() -> None:
+    """Login and download shelves."""
     # art = 'https://www.goodreads.com/recommendations/genre/art'
     login()
     get_index()
@@ -95,3 +106,7 @@ for a, b, c in recommend_list:
         filename = os.path.join(b, c + ".html")
         open(filename, "w").write(r.text)
         sleep(0.5)
+
+
+if __name__ == "__main__":
+    main()