PEP-8: Fix formatting in config model and utils

app/models/config.py

@@ -128,7 +128,7 @@ class Config:
         {'name': 'Fiji', 'value': 'countryFJ'},
         {'name': 'Finland', 'value': 'countryFI'},
         {'name': 'France', 'value': 'countryFR'},
-        {'name': 'France\, Metropolitan', 'value': 'countryFX'},
+        {'name': r'France\, Metropolitan', 'value': 'countryFX'},
         {'name': 'French Guiana', 'value': 'countryGF'},
         {'name': 'French Polynesia', 'value': 'countryPF'},
         {'name': 'French Southern Territories', 'value': 'countryTF'},
@@ -167,7 +167,8 @@ class Config:
         {'name': 'Kazakhstan', 'value': 'countryKZ'},
         {'name': 'Kenya', 'value': 'countryKE'},
         {'name': 'Kiribati', 'value': 'countryKI'},
-        {'name': 'Korea, Democratic People\'s Republic of', 'value': 'countryKP'},
+        {'name': 'Korea, Democratic People\'s Republic of',
+         'value': 'countryKP'},
         {'name': 'Korea, Republic of', 'value': 'countryKR'},
         {'name': 'Kuwait', 'value': 'countryKW'},
         {'name': 'Kyrgyzstan', 'value': 'countryKG'},
@@ -181,7 +182,8 @@ class Config:
         {'name': 'Lithuania', 'value': 'countryLT'},
         {'name': 'Luxembourg', 'value': 'countryLU'},
         {'name': 'Macao', 'value': 'countryMO'},
-        {'name': 'Macedonia, the Former Yugosalv Republic of', 'value': 'countryMK'},
+        {'name': 'Macedonia, the Former Yugosalv Republic of',
+         'value': 'countryMK'},
         {'name': 'Madagascar', 'value': 'countryMG'},
         {'name': 'Malawi', 'value': 'countryMW'},
         {'name': 'Malaysia', 'value': 'countryMY'},
@@ -253,7 +255,8 @@ class Config:
         {'name': 'Solomon Islands', 'value': 'countrySB'},
         {'name': 'Somalia', 'value': 'countrySO'},
         {'name': 'South Africa', 'value': 'countryZA'},
-        {'name': 'South Georgia and the South Sandwich Islands', 'value': 'countryGS'},
+        {'name': 'South Georgia and the South Sandwich Islands',
+         'value': 'countryGS'},
         {'name': 'Spain', 'value': 'countryES'},
         {'name': 'Sri Lanka', 'value': 'countryLK'},
         {'name': 'Sudan', 'value': 'countrySD'},
@@ -310,6 +313,12 @@ class Config:
         self.alts = False
         self.new_tab = False
         self.get_only = False
+        self.safe_keys = [
+            'lang_search',
+            'lang_interface',
+            'ctry',
+            'dark'
+        ]
 
         for key, value in kwargs.items():
             setattr(self, key, value)
@@ -338,12 +347,7 @@ class Config:
             array
         """
 
-        return key in [
+        return key in self.safe_keys
-            'lang_search',
-            'lang_interface',
-            'ctry',
-            'dark'
-        ]
 
     def from_params(self, params) -> 'Config':
         """Modify user config with search parameters. This is primarily

app/utils/filter_utils.py

@@ -7,14 +7,16 @@ SKIP_ARGS = ['ref_src', 'utm']
 FULL_RES_IMG = '<br/><a href="{}">Full Image</a>'
 GOOG_IMG = '/images/branding/searchlogo/1x/googlelogo'
 LOGO_URL = GOOG_IMG + '_desk'
-BLANK_B64 = '''
+BLANK_B64 = ('data:image/png;base64,'
-data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAQAAAAnOwc2AAAAD0lEQVR42mNkwAIYh7IgAAVVAAuInjI5AAAAAElFTkSuQmCC
+             'iVBORw0KGgoAAAANSUhEUgAAAAoAAAAKCAQAAAAnOwc2AAAAD0lEQVR42mNkw'
-'''
+             'AIYh7IgAAVVAAuInjI5AAAAAElFTkSuQmCC')
 
+# Ad keywords
 BLACKLIST = [
-    'ad', 'anuncio', 'annuncio', 'annonce', 'Anzeige', '广告', '廣告', 'Reklama', 'Реклама', 'Anunț', '광고',
+    'ad', 'anuncio', 'annuncio', 'annonce', 'Anzeige', '广告', '廣告', 'Reklama',
-    'annons', 'Annonse', 'Iklan', '広告', 'Augl.', 'Mainos', 'Advertentie', 'إعلان', 'Գովազդ', 'विज्ञापन', 'Reklam',
+    'Реклама', 'Anunț', '광고', 'annons', 'Annonse', 'Iklan', '広告', 'Augl.',
-    'آگهی', 'Reklāma', 'Reklaam', 'Διαφήμιση', 'מודעה', 'Hirdetés', 'Anúncio'
+    'Mainos', 'Advertentie', 'إعلان', 'Գովազդ', 'विज्ञापन', 'Reklam', 'آگهی',
+    'Reklāma', 'Reklaam', 'Διαφήμιση', 'מודעה', 'Hirdetés', 'Anúncio'
 ]
 
 SITE_ALTS = {
@@ -25,7 +27,8 @@ SITE_ALTS = {
 
 
 def has_ad_content(element: str):
-    return element.upper() in (value.upper() for value in BLACKLIST) or 'ⓘ' in element
+    return element.upper() in (value.upper() for value in BLACKLIST) \
+           or 'ⓘ' in element
 
 
 def get_first_link(soup):

app/utils/routing_utils.py

@@ -1,25 +1,26 @@
 from app.filter import Filter, get_first_link
 from app.utils.session_utils import generate_user_keys
 from app.request import gen_query
-from bs4 import BeautifulSoup
+from bs4 import BeautifulSoup as bsoup
 from cryptography.fernet import Fernet, InvalidToken
 from flask import g
 from typing import Any, Tuple
 
-
 TOR_BANNER = '<hr><h1 style="text-align: center">You are using Tor</h1><hr>'
 
 
 class RoutingUtils:
     def __init__(self, request, config, session, cookies_disabled=False):
-        self.request_params = request.args if request.method == 'GET' else request.form
+        method = request.method
+        self.request_params = request.args if method == 'GET' else request.form
         self.user_agent = request.headers.get('User-Agent')
         self.feeling_lucky = False
         self.config = config
         self.session = session
         self.query = ''
         self.cookies_disabled = cookies_disabled
-        self.search_type = self.request_params.get('tbm') if 'tbm' in self.request_params else ''
+        self.search_type = self.request_params.get(
+            'tbm') if 'tbm' in self.request_params else ''
 
     def __getitem__(self, name):
         return getattr(self, name)
@@ -45,7 +46,9 @@ class RoutingUtils:
         else:
             # Attempt to decrypt if this is an internal link
             try:
-                q = Fernet(self.session['fernet_keys']['text_key']).decrypt(q.encode()).decode()
+                q = Fernet(
+                    self.session['fernet_keys']['text_key']
+                ).decrypt(q.encode()).decode()
             except InvalidToken:
                 pass
 
@@ -53,29 +56,40 @@ class RoutingUtils:
         self.session['fernet_keys']['text_key'] = generate_user_keys(
             cookies_disabled=self.cookies_disabled)['text_key']
 
-        # Format depending on whether or not the query is a "feeling lucky" query
+        # Strip leading '! ' for "feeling lucky" queries
         self.feeling_lucky = q.startswith('! ')
         self.query = q[2:] if self.feeling_lucky else q
         return self.query
 
     def bang_operator(self, bangs_dict: dict) -> str:
         for operator in bangs_dict.keys():
-            if self.query.split(' ')[0] == operator:
+            if self.query.split(' ')[0] != operator:
-                return bangs_dict[operator]['url'].format(self.query.replace(operator, '').strip())
+                continue
+
+            return bangs_dict[operator]['url'].format(
+                self.query.replace(operator, '').strip())
         return ''
 
     def generate_response(self) -> Tuple[Any, int]:
         mobile = 'Android' in self.user_agent or 'iPhone' in self.user_agent
 
-        content_filter = Filter(self.session['fernet_keys'], mobile=mobile, config=self.config)
+        content_filter = Filter(
-        full_query = gen_query(self.query, self.request_params, self.config, content_filter.near)
+            self.session['fernet_keys'],
+            mobile=mobile,
+            config=self.config)
+        full_query = gen_query(
+            self.query,
+            self.request_params,
+            self.config,
+            content_filter.near)
         get_body = g.user_request.send(query=full_query)
 
         # Produce cleanable html soup from response
-        html_soup = BeautifulSoup(content_filter.reskin(get_body.text), 'html.parser')
+        html_soup = bsoup(content_filter.reskin(get_body.text), 'html.parser')
-        html_soup.insert(0, BeautifulSoup(
+        html_soup.insert(
-            TOR_BANNER,
+            0,
-            features='lxml') if g.user_request.tor_valid else BeautifulSoup("", features="lxml"))
+            bsoup(TOR_BANNER, 'html.parser')
+            if g.user_request.tor_valid else bsoup('', 'html.parser'))
 
         if self.feeling_lucky:
             return get_first_link(html_soup), 1
@@ -84,10 +98,12 @@ class RoutingUtils:
 
             # Append user config to all search links, if available
             param_str = ''.join('&{}={}'.format(k, v)
-                    for k, v in self.request_params.to_dict(flat=True).items()
+                                for k, v in
+                                self.request_params.to_dict(flat=True).items()
                                 if self.config.is_safe_key(k))
             for link in formatted_results.find_all('a', href=True):
-                if 'search?' not in link['href'] or link['href'].index('search?') > 1:
+                if 'search?' not in link['href'] or link['href'].index(
+                        'search?') > 1:
                     continue
                 link['href'] += param_str