Allow setting "Accept-Language" header (#483)

Closes #445

app/models/config.py

@@ -28,6 +28,7 @@ class Config:
         self.new_tab = read_config_bool('WHOOGLE_CONFIG_NEW_TAB')
         self.view_image = read_config_bool('WHOOGLE_CONFIG_VIEW_IMAGE')
         self.get_only = read_config_bool('WHOOGLE_CONFIG_GET_ONLY')
+        self.accept_language = False
 
         self.safe_keys = [
             'lang_search',

app/request.py

@@ -157,6 +157,12 @@ class Request:
         self.language = (
             config.lang_search if config.lang_search else ''
         )
+
+        # For setting Accept-language Header
+        self.lang_interface = ''
+        if config.accept_language:
+            self.lang_interface = config.lang_interface
+
         self.mobile = bool(normal_ua) and ('Android' in normal_ua
                                            or 'iPhone' in normal_ua)
         self.modified_user_agent = gen_user_agent(self.mobile)
@@ -243,7 +249,12 @@ class Request:
             'User-Agent': modified_user_agent
         }
 
-        # FIXME: Should investigate this further to ensure the consent
+        # Adding the Accept-Language to the Header if possible
+        if self.lang_interface:
+            headers.update({'Accept-Language':
+                            self.lang_interface.replace('lang_', '')
+                            + ';q=1.0'})
+
         # view is suppressed correctly
         now = datetime.now()
         cookies = {

app/templates/index.html

@@ -177,6 +177,10 @@
 				<div class="config-div config-div-get-only">
 					<label for="config-get-only">{{ translation['config-get-only'] }}: </label>
 					<input type="checkbox" name="get_only" id="config-get-only" {{ 'checked' if config.get_only else '' }}>
+				</div>
+					<div class="config-div config-div-get-only">
+					<label for="config-accept-language">Set Accept-Language: </label>
+					<input type="checkbox" name="accept_language" id="config-accept-language" {{ 'checked' if config.accept_language else '' }}>
 				</div>
 				<div class="config-div config-div-root-url">
 					<label for="config-url">{{ translation['config-url'] }}: </label>