compare mastercoin_verify with other implementations

currently hard coded 2 urls, and only addresses page for
mastercoin is checked

msc_compare.py

@@ -0,0 +1,66 @@
+#!/usr/bin/python
+import os
+import urllib2
+from optparse import OptionParser
+from msc_utils_validating import *
+
+# get domain name from url
+def url_to_domain(u):
+    return u.split('//')[1].split('.')[0]
+
+#################################################################
+# main function - compares mastercoin_verify of implementations #
+#################################################################
+def compare():
+
+    # parse command line arguments
+    parser = OptionParser("usage: %prog [options]")
+    parser.add_option("-d", "--debug", action="store_true",dest='debug_mode', default=False,
+                        help="turn debug mode on")
+
+    (options, args) = parser.parse_args()
+    msc_globals.init()
+    msc_globals.d=options.debug_mode
+
+    info('starting comparison')
+
+    difference_dict={}
+
+    urls=['https://masterchain.info/mastercoin_verify/addresses/0', \
+          'http://mastercoin-explorer.com/mastercoin_verify/addresses']
+
+    # parse sites from url list
+    sites=[]
+    for u in urls:
+        sites.append(url_to_domain(u))
+    dicts={sites[0]:{},sites[1]:{}}
+
+    keys=dicts.keys()
+
+    for u in urls:
+        filename='general/'+url_to_domain(u)+'-addresses.json'
+        debug('download json from '+u+' start')
+        response = urllib2.urlopen(u)
+        f = open(filename, "w")
+        f.write(response.read())
+        f.close()
+        debug('download json from '+u+' done')
+        l=load_dict_from_file(filename, all_list=True)
+        for d in l:
+            dicts[url_to_domain(u)][d['address']]=d['balance']
+
+    for source in keys:
+        for addr in dicts[source].keys():
+            try:
+                if dicts[keys[0]][addr]!=dicts[keys[1]][addr]:
+                    difference_dict[addr]='different'
+            except KeyError:
+                if dicts[source][addr]!='0.0': # 0.0 is considered as nothing
+                    difference_dict[addr]='only on '+source
+
+    atomic_json_dump(difference_dict,'general/difference.json')
+
+    info('comparison done')
+
+if __name__ == "__main__":
+    compare()