1 files changed, 49 insertions, 39 deletions

diff --git a/src/downloader/__init__.py b/src/downloader/__init__.py
index 15fba41..3a02ebe 100644
--- a/src/downloader/__init__.py
+++ b/src/downloader/__init__.py
@@ -11,6 +11,7 @@ import urllib.parse
 
 class Downloader():
     """Class used to download a given webpage considering system proxy"""
+
     def __init__(self):
         """ Downloader class constructor """
         self.proxy = urllib.request.ProxyHandler(urllib.request.getproxies())
@@ -31,6 +32,39 @@ class WikimediaAPI():
     """
     Class used to generate wikimedia API urls for several uses
     """
+
+    RCNAMESPACES_CODES = {
+        "(Main)": "0",
+        "Talk": "1",
+        "User talk": "2",
+        "Wikipedia": "3",
+        "Wikipedia talk": "4",
+        "File": "5",
+        "File talk": "6",
+        "MediaWiki": "7",
+        "MediaWiki talk": "8",
+        "Template": "9",
+        "Template talk": "10",
+        "Help": "11",
+        "Help talk": "12",
+        "Category": "13",
+        "Category talk": "14",
+        # Custom Wikipedia namespaces
+        "Portal": "100",
+        "Portal talk": "101",
+        "Book": "108",
+        "Book talk": "109",
+        "Draft": "118",
+        "Draft talk": "119",
+        "Education Program": "446",
+        "Education Program talk": "447",
+        "TimedText": "710",
+        "TimedText talk": "711",
+        "Module": "828",
+        "Module talk": "829",
+        "Topic": "2600"
+    }
+
     def __init__(self, endpoint="http://en.wikipedia.org/w/api.php",
                  return_format="json"):
         """
@@ -46,6 +80,18 @@ class WikimediaAPI():
         self.endpoint = endpoint
         self.return_format = return_format
 
+    def gen_query_url(self, parms):
+        """
+        Generate the query URL.
+
+        :param parms: URL parameters dict
+        :return: query URL
+        """
+        parms["action"] = "query"
+        parms["format"] = self.return_format
+        parms_str = urllib.parse.urlencode(parms)
+        return urllib.parse.urljoin(self.endpoint, "?" + parms_str)
+
     def get_recent_changes(self, namespace="(Main)"):
         """
         Get the url corresponding to the latest changes made to the wiki.
@@ -56,43 +102,7 @@ class WikimediaAPI():
         others. It will be converted to an int corresponding to the rcnamespace
         parameter. See https://meta.wikimedia.org/wiki/Help:Namespace
         """
-        rcnamespaces = {
-            "(Main)": "0",
-            "Talk": "1",
-            "User talk": "2",
-            "Wikipedia": "3",
-            "Wikipedia talk": "4",
-            "File": "5",
-            "File talk": "6",
-            "MediaWiki": "7",
-            "MediaWiki talk": "8",
-            "Template": "9",
-            "Template talk": "10",
-            "Help": "11",
-            "Help talk": "12",
-            "Category": "13",
-            "Category talk": "14",
-            # Custom Wikipedia namespaces
-            "Portal": "100",
-            "Portal talk": "101",
-            "Book": "108",
-            "Book talk": "109",
-            "Draft": "118",
-            "Draft talk": "119",
-            "Education Program": "446",
-            "Education Program talk": "447",
-            "TimedText": "710",
-            "TimedText talk": "711",
-            "Module": "828",
-            "Module talk": "829",
-            "Topic": "2600"
-        }
-
-        url_params = {
-            "action": "query",
+        return self.gen_query_url({
             "list": "recentchanges",
-            "format": self.return_format,
-            "rcnamespace": rcnamespaces[namespace],
-        }
-        url_params_str = urllib.parse.urlencode(url_params)
-        return urllib.parse.urljoin(self.endpoint, "?" + url_params_str)
+            "rcnamespace": WikimediaAPI.RCNAMESPACES_CODES[namespace],
+        })