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#!/usr/bin/python
import gzip
import io
import sqlite3
import subprocess
import sys
import urllib
from debian import deb822
def main():
urlbase = sys.argv[1]
db = sqlite3.connect("test.sqlite3")
cur = db.cursor()
cur.execute("SELECT package, version FROM package;")
knownpkgs = dict((row[0], row[1]) for row in cur.fetchall())
pkglist = urllib.urlopen(urlbase + "/dists/sid/main/binary-amd64/Packages.gz").read()
pkglist = gzip.GzipFile(fileobj=io.BytesIO(pkglist)).read()
distpkgs = set()
for pkg in deb822.Packages.iter_paragraphs(io.BytesIO(pkglist)):
name = pkg["Package"]
distpkgs.add(name)
if pkg["Version"] == knownpkgs.get(name, ()):
continue
pkgurl = "%s/%s" % (urlbase, pkg["Filename"])
print("importing %s" % name)
dl = subprocess.Popen(["curl", "-s", pkgurl], stdout=subprocess.PIPE)
imp = subprocess.Popen("./importpkg.py", stdin=dl.stdout)
if dl.wait():
print("curl failed")
if imp.wait():
print("import failed")
cur.execute("PRAGMA foreign_keys=1;")
cur.executemany("DELETE FROM package WHERE package = ?;",
((pkg,) for pkg in set(knownpkgs) - distpkgs))
db.commit()
if __name__ == "__main__":
main()
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