Search engine a bit better

search.py

@@ -18,21 +18,41 @@ def pack(start_response, status, data):
     return [datae]
 
 def application(environ, start_response):
-    status = "200 OK"
-    output = "TODO\r\n"
-    # REQUEST_METHOD
-    for variable in environ:
-        print("%s: %s" % (variable, environ[variable]))
+    if environ["REQUEST_METHOD"] != "POST":
+        status = "405 Method unavailable"
+        output = "Unsupported HTTP method \"%s\"\r\n" % environ["REQUEST_METHOD"]
+        return pack(start_response, status, output)
     try:
         body_size = int(environ.get("CONTENT_LENGTH", 0))
     except (ValueError):
         body_size = 0
     body = environ["wsgi.input"].read(body_size)
-    print("")
-    print("Body \"%s\"" % body.decode())
     query = urllib.parse.parse_qsl(body.decode())
-    print("")
-    print("Query \"%s\"" % query)
+    form = {}
+    for q in query:
+        form[q[0]] = q[1]
+    for mandatory in ["string", "what"]:
+        if mandatory not in form:
+            status = "400 Invalid request"
+            output = "Missing \"%s\" in request\r\n" % mandatory
+            return pack(start_response, status, output)
+    # TODO case-insensitive (scripts are capitalized)
+    if form["what"] == "language":
+        sql = "SELECT * FROM Languages WHERE code = %s"
+    elif form["what"] == "script":
+        sql = "SELECT * FROM Scripts WHERE code = %s" 
+    else:
+        status = "400 Invalid request"
+        output = "Unknown search category \"%s\"\r\n" % form["what"]
+        return pack(start_response, status, output)
+    # TODO junctions
+    # TODO search in descriptions
+    cursor.execute(sql, (form["string"], ))
+    mytuple = cursor.fetchone()
+    status = "200 OK"
+    output = "TODO %s\r\n" % str(mytuple) # TODO display comments, preferredscript, addition date etc
+    # TODO HTML with a templating engine?
+    # TODO link to mulhtml ?
     return pack(start_response, status, output)
 
 if __name__ == "__main__":

search.xml

@@ -2,7 +2,11 @@
 <page title="Search TODO">
   <p>TODO</p>
   <form action="http://localhost:4000/" method="POST" name="Search">
-    <p>Name: <input type="text" name="name"/></p>
+    <p>Name: <input type="text" name="string"/></p>
+    <p>Search in: <select name="what">
+     <option value="language">Languages</option>
+     <option value="script">Scripts</option>
+    </select></p>
     <p><input type="submit" value="Search"/></p>
   </form>
 </page>