Rosetta Code/Rank languages by popularity: Difference between revisions

Fail-proof solution

<lang python>import json

import urllib

result = []

langs = json.load(urllib.urlopen("http://www.rosettacode.org/w/api.php?\

action=query&list=categorymembers&cmtitle=Category:Programming_Languages\

&cmlimit=500&format=json"));

titles = [i['title'] for i in langs['query']['categorymembers']]

while titles:

t = '|'.join(titles[:50])

info = json.load(urllib.urlopen("http://www.rosettacode.org/w/api.php?\

action=query&prop=categoryinfo&format=json",

data=urllib.urlencode({"titles":t})))['query']['pages']

for i in info:

try:

result.append([info[i]['title'], info[i]['categoryinfo']['pages']])

except:

pass

del titles[:50]

c = 0

for i in sorted(result,key=lambda x: x[1],reverse=True):

c += 1

print "%d. %s - %d" % (c, i[0].replace("Category:",''), i[1])</lang>