WSGI for search

youtube/search.py

@@ -66,23 +66,24 @@ showing_results_for = Template('''
 did_you_mean = Template('''
                 <div>Did you mean <a href="$corrected_query_url">$corrected_query</a></div>
 ''')    
-def get_search_page(query_string, parameters=()):
+def get_search_page(env, start_response):
-    qs_query = urllib.parse.parse_qs(query_string)
+    start_response('200 OK', [('Content-type','text/html'),])
-    if len(qs_query) == 0:
+    fields = env['fields']
+    if len(fields) == 0:
         return common.yt_basic_template.substitute(
             page_title = "Search",
             header = common.get_header(),
             style = '',
             page = '',
-        )
+        ).encode('utf-8')
-    query = qs_query["query"][0]
+    query = fields["query"][0]
-    page = qs_query.get("page", "1")[0]
+    page = fields.get("page", "1")[0]
-    autocorrect = int(qs_query.get("autocorrect", "1")[0])
+    autocorrect = int(fields.get("autocorrect", "1")[0])
-    sort = int(qs_query.get("sort", "0")[0])
+    sort = int(fields.get("sort", "0")[0])
     filters = {}
-    filters['time'] = int(qs_query.get("time", "0")[0])
+    filters['time'] = int(fields.get("time", "0")[0])
-    filters['type'] = int(qs_query.get("type", "0")[0])
+    filters['type'] = int(fields.get("type", "0")[0])
-    filters['duration'] = int(qs_query.get("duration", "0")[0])
+    filters['duration'] = int(fields.get("duration", "0")[0])
     info = get_search_json(query, page, autocorrect, sort, filters)
     
     estimated_results = int(info[1]['response']['estimatedResults'])
@@ -97,7 +98,7 @@ def get_search_page(query_string, parameters=()):
             continue
         if type == 'didYouMeanRenderer':
             renderer = renderer[type]
-            corrected_query_string = urllib.parse.parse_qs(query_string)
+            corrected_query_string = fields.copy()
             corrected_query_string['query'] = [renderer['correctedQueryEndpoint']['searchEndpoint']['query']]
             corrected_query_url = URL_ORIGIN + '/search?' + urllib.parse.urlencode(corrected_query_string, doseq=True)
             corrections = did_you_mean.substitute(
@@ -107,7 +108,7 @@ def get_search_page(query_string, parameters=()):
             continue
         if type == 'showingResultsForRenderer':
             renderer = renderer[type]
-            no_autocorrect_query_string = urllib.parse.parse_qs(query_string)
+            no_autocorrect_query_string = fields.copy()
             no_autocorrect_query_string['autocorrect'] = ['0']
             no_autocorrect_query_url = URL_ORIGIN + '/search?' + urllib.parse.urlencode(no_autocorrect_query_string, doseq=True)
             corrections = showing_results_for.substitute(
@@ -116,7 +117,7 @@ def get_search_page(query_string, parameters=()):
                 original_query = html.escape(renderer['originalQuery']['simpleText']),
             )
             continue
-        result_list_html += common.renderer_html(renderer, current_query_string=query_string)
+        result_list_html += common.renderer_html(renderer, current_query_string=env['QUERY_STRING'])
         
     page = int(page)
     if page <= 5:
@@ -134,7 +135,7 @@ def get_search_page(query_string, parameters=()):
         search_box_value    = html.escape(query),
         number_of_results   = '{:,}'.format(estimated_results),
         number_of_pages     = '{:,}'.format(estimated_pages),
-        page_buttons        = common.page_buttons_html(page, estimated_pages, URL_ORIGIN + "/search", query_string),
+        page_buttons        = common.page_buttons_html(page, estimated_pages, URL_ORIGIN + "/search", env['QUERY_STRING']),
         corrections         = corrections
         )
-    return result
+    return result.encode('utf-8')

youtube/youtube.py

@@ -8,18 +8,31 @@ YOUTUBE_FILES = (
     '/comments.css',
     '/favicon.ico',
 )
-
+page_handlers = {
+    'search':   search.get_search_page,
+    '':         search.get_search_page,
+}
 def youtube(env, start_response):
     path, method, query_string = env['PATH_INFO'], env['REQUEST_METHOD'], env['QUERY_STRING']
+    env['qs_fields'] = urllib.parse.parse_qs(query_string)
+    env['fields'] = dict(env['qs_fields'])
+
+    path_parts = path.rstrip('/').lstrip('/').split('/')
+    env['path_parts'] = path_parts
+
     if method == "GET":
+        try:
+            handler = page_handlers[path_parts[0]]
+        except KeyError:
+            pass
+        else:
+            return handler(env, start_response)
+
         if path in YOUTUBE_FILES:
             with open("youtube" + path, 'rb') as f:
                 mime_type = mimetypes.guess_type(path)[0] or 'application/octet-stream'
                 start_response('200 OK',  (('Content-type',mime_type),) )
                 return f.read()
-        elif path.lstrip('/') == "":
-            start_response('200 OK',  (('Content-type','text/html'),) )
-            return search.get_search_page(query_string).encode()
 
         elif path == "/comments":
             start_response('200 OK',  (('Content-type','text/html'),) )
@@ -33,10 +46,6 @@ def youtube(env, start_response):
             start_response('200 OK',  (('Content-type','text/html'),) )
             return watch.get_watch_page(query_string).encode()
         
-        elif path == "/search":
-            start_response('200 OK',  (('Content-type','text/html'),) )
-            return search.get_search_page(query_string).encode()
-        
         elif path == "/playlist":
             start_response('200 OK',  (('Content-type','text/html'),) )
             return playlist.get_playlist_page(query_string).encode()
@@ -95,7 +104,10 @@ def youtube(env, start_response):
             return channel.get_channel_page_general_url(path, query_string=query_string).encode()
 
     elif method == "POST":
-        fields = urllib.parse.parse_qs(env['wsgi.input'].read().decode())
+        post_fields = urllib.parse.parse_qs(env['wsgi.input'].read().decode())
+        env['post_fields'] = post_fields
+        env['fields'].update(post_fields)
+        fields = post_fields
         if path == "/edit_playlist":
             if fields['action'][0] == 'add':
                 local_playlist.add_to_playlist(fields['playlist_name'][0], fields['video_info_list'])