add saveSiteInfo() to download meta=siteinfo data from API to a file

dumpgenerator.py

@@ -1237,6 +1237,22 @@ def saveIndexPHP(config={}):
         f.write(raw)
         f.close()
 
+def saveSiteInfo(config={}):
+    """ Save a file with site info """
+    
+    if os.path.exists('%s/siteinfo.json' % (config['path'])):
+        print 'siteinfo.json exists, do not overwrite'
+    else:
+        print 'Downloading site info'
+        req = urllib2.Request(url=config['api'], data=urllib.urlencode({'action': 'query', 'meta': 'siteinfo', 'format': 'json'}), headers={'User-Agent': getUserAgent()})
+        f = urllib2.urlopen(req)
+        result = f.read()
+        f.close()
+        delay(config=config)
+        f = open('%s/siteinfo.json' % (config['path']), 'w')
+        f.write(result)
+        f.close()
+
 def avoidWikimediaProjects(config={}):
     """ Skip Wikimedia projects and redirect to the dumps website """
     
@@ -1293,6 +1309,7 @@ def main(params=[]):
 
     saveIndexPHP(config=config)    
     saveSpecialVersion(config=config)
+    saveSiteInfo(config=config)
     bye()
 
 if __name__ == "__main__":