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#!/usr/bin/env python
import hashlib
import requests
import sys
from requests.compat import urljoin
import xml.etree.ElementTree as ET
JNLP_SOURCE = 'http://www.jalview.org/webstart/jalview.jnlp'
BASE_URL = 'http://www.jalview.org/webstart/'
EXTRA_SOURCES = [
("logo.gif", '362790ef6d3e3c537a6d31663a0e7f3ec9664c90cb9dc6df4a80b016f474eaa4'),
("jalview", 'd5d4f97f520d58ddb8f2552800f946c2ab6c89c3dd105b7a9cd777b9925bc17e'),
("jalview.desktop", '4c87a84ec39e677fe2922a5e78cf68cf508ec8dff5211193b11aac7cb1cf4211'),
]
def get_jars():
r = requests.get(JNLP_SOURCE)
assert r.status_code == 200
root = ET.fromstring(r.text)
return [
m.attrib['href']
for r in root.findall('./resources')
for m in r.findall('./jar')
if not r.attrib.get('os')
]
def download_and_digest(url):
sys.stderr.write('Getting {} ...\n'.format(url))
r = requests.get(url)
assert r.status_code == 200
digest = hashlib.sha256()
digest.update(r.content)
return digest.hexdigest()
def patch_pkgbuild(replacement):
replacement = replacement.split('\n')
with open('PKGBUILD', 'r') as f:
content = f.read().split('\n')
i = content.index('### <INJECT_HERE> ###')
j = content.index('### </INJECT_HERE> ###')
assert i >= 0
assert j >= 0
content[(i + 1):j] = replacement
content = '\n'.join(content)
with open('PKGBUILD', 'w') as f:
f.write(content)
def format_bash_array(arr, indent=' '):
return '(\n{}\n)'.format(
'\n'.join(
"{}'{}'".format(indent, a)
for a in arr
)
)
def main():
jars = get_jars()
full_urls = [
(full_url, download_and_digest(full_url))
for jar in jars
for full_url in (urljoin(BASE_URL, jar), )
]
full_urls += EXTRA_SOURCES
payload = """
source={}
noextract={}
sha256sums={}
""".format(
format_bash_array(s for s, _ in full_urls),
format_bash_array(j for j in jars),
format_bash_array(d for _, d in full_urls)
)
patch_pkgbuild(payload)
if __name__ == "__main__":
main()
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