Version 0.8: Python 3

[phdru.name/cgi-bin/blog-ru/search-tags.git] / search-tags.py

diff --git a/search-tags.py b/search-tags.py
index cbac10c6bbdac3eee8d9b171667938976afdfeeb..228866b8a8f5fa625dbc6d3bba5523351693a7c2 100755 (executable)
--- a/search-tags.py
+++ b/search-tags.py
@@ -1,18 +1,70 @@
-#! /usr/bin/env python
+#! /usr/bin/env python3
+# coding: koi8-r
 """Search tags CGI"""
 
 __author__ = "Oleg Broytman <phd@phdru.name>"
-__copyright__ = "Copyright (C) 2014 PhiloSoft Design"
+__copyright__ = "Copyright (C) 2014-2024 PhiloSoft Design"
 __license__ = "GNU GPL"
 
-import cgi
-from parse_query import parser
-from html.response import response
+from html import escape
+from urllib.parse import parse_qs
+import os
+import sys
 
-form = cgi.FieldStorage()
-if not form.has_key('q'):
+from lark import ParseError
+
+from html_output.response import redirect, response
+from parser import parser
+
+qs_dict = parse_qs(os.environ['QUERY_STRING'], encoding='koi8-r')
+if 'q' not in qs_dict or len(qs_dict['q']) > 1:
     status = "400 Bad request"
     title = "Error!"
     body = "Required parameter is missing!"
 
+else:
+    q = qs_dict['q'][0]
+    try:
+        tree = parser.parse(q)
+    except ParseError:
+        status = "400 Bad request"
+        title = "Error!"
+        body = "Bad query syntax!"
+    else:
+        if tree[0] == 'NAME':  # Single tag - just do redirect
+            tag = tree[1]
+            assert isinstance(tag, str)
+            from tags import real_tag
+            rtag = real_tag(tag)
+            if rtag:
+                redirect(
+                    "/Russian/blog/tags/%s.html" % rtag.replace(' ', '_'),
+                    status="301 Moved")
+                sys.exit()
+            status = "404 Tag not found"
+            title = "Ошибка!"
+            body = "Тег %s не существует!" % tag
+        else:  # Process tree
+            from tags import find_tags
+            posts = find_tags(tree)
+            status = None
+            title = "Записи, найденные для выражения " + escape(q)
+            if posts:
+                _posts = ["""\
+    <p class="head">
+    <ul>
+    """]
+                for year, month, day, suburl, _title in posts:
+                    _posts.append(
+                        '<li>%s-%s-%s '
+                        '<a href="../../../../Russian/blog/%s">%s</a></li>\n'
+                        % (year, month, day, suburl, _title))
+                _posts .append("""\
+    </ul>
+    </p>
+    """)
+                body = ''.join(_posts)
+            else:
+                body = "Не найдено ни одной записи."
+
 response(title, body, status)