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#!/bin/env python
#
# Helper script for maintainers to autogenerate resources for py-nltk
#
import hashlib
import urllib.request
import xml.etree.ElementTree
url = 'https://raw.githubusercontent.com/nltk/nltk_data/gh-pages/index.xml'
document = urllib.request.urlopen(url).read()
tree = xml.etree.ElementTree.fromstring(document)
packages = tree.findall('./packages/package')
for package in packages:
url = package.get('url')
name = package.get('id')
subdir = package.get('subdir')
packagebody = urllib.request.urlopen(url).read()
meta_checksum = package.get('checksum')
loaded_checksum = hashlib.md5(packagebody).hexdigest()
if (meta_checksum == loaded_checksum):
output_checksum = hashlib.sha256(packagebody).hexdigest()
print("""
resource(name='{0}',
url='{1}',
when='+data',
sha256='{2}',
destination='nltk_data/{3}',
placement='{0}')""".format(name,
url,
output_checksum,
subdir))
else:
print("""bad {0}""".format(url))
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