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#!/usr/bin/python2.2
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import os, re, cPickle, Queue
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import threading
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from config import dir, odir
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from shutil import copyfile
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num_threads = 5
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debug = 0
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# now try to run uscan in a tmp dir with a bogus changelog
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class find_update(threading.Thread):
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def __init__(self):
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self.has_warning = 0
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sem.acquire()
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self.tmpdir = os.tempnam('/tmp', 'PTS_') #ok, insecure blahblah
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self.tmpdir = self.tmpdir + '/'
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os.mkdir(self.tmpdir)
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os.mkdir(self.tmpdir + 'debian') #our faked debian/ dir
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self.pkg = q.get()
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self.hash = self.pkg[0]
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if self.pkg[0:3] == "lib":
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self.hash = self.pkg[0:4]
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threading.Thread.__init__(self)
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def run(self):
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print "%s/%s/%s/watch" % (odir, self.hash, self.pkg)
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copyfile("%s/%s/%s/%s/watch" % (curdir, odir, self.hash, self.pkg), self.tmpdir + 'debian/watch')
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fch = open(self.tmpdir + 'debian/changelog', 'w+')
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fch.write(
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"""%s (%s) unstable; urgency=low
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* this is a fake entry
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-- PTS watch update <pts@qa.debian.org> Sat, 11 Jan 2003 17:56:41 +0100
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""" % (self.pkg, watch[self.pkg]['version']) )
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fch.close()
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os.chdir(self.tmpdir)
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uscan = os.popen("/usr/bin/uscan --no-download 2>&1")
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for line in uscan.readlines():
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if debug: print line
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r = re.search("Warning: (.*)", line)
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if r:
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self.has_warning = 1
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watch[self.pkg]['warning'] = watch[self.pkg]['warning'] + r.group(1)
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if self.has_warning and line.startswith(" "): # warning line *seems* to be 2space-indented
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watch[self.pkg]['warning'] = watch[self.pkg]['warning'] + line
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m = re.search("Newer version \((\S+)\) available", line)
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if m and not self.has_warning:
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if m.group(1) > 0: watch[self.pkg]['new'] = m.group(1)
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uscan.close()
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if watch[self.pkg]['new'] > 0:
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# extract url from debian/watch file
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url = ''
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for line in file(self.tmpdir + 'debian/watch', 'r').readlines():
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if line.startswith('#'): continue
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if line.startswith('http:') or line.startswith('ftp') or line.count('.') >= 1:
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if debug: print "ORIGINAL LINE: " + line
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line = line.strip()
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fields = re.split('\s+', line)
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if os.path.basename(fields[0]).count('.') == 1: # this is a page like download.html
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url = os.path.dirname(fields[0]) + '/'
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else: url = fields[0]
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for field in fields[1:]:
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if field.count('/') >= 1:
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if not field.endswith('/'): field = field + '/'
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if not field.startswith('/'): field = '/' + field
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url = url + field
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elif field.count('(') == 1:
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url = url + field
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url = url.replace('\\', '')
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url = url.replace('.*', '')
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url = url.replace('///', '/')
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if url.startswith('ftp.'): url = 'ftp://' + url
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elif not url.startswith('http://') and not url.startswith('ftp://'): url = 'http://' + url
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watch[self.pkg]['url'] = re.sub('\(.*\)', watch[self.pkg]['new'], url)
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if debug: print "UPSTREAM PAGE: " + watch[self.pkg]['url']
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if self.has_warning:
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print "WARNING: " + watch[self.pkg]['warning'].replace('\n', ' ')
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else:
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print "new version %s for package %s" % (watch[self.pkg]['new'], self.pkg)
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os.remove(self.tmpdir + 'debian/watch')
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os.remove(self.tmpdir + 'debian/changelog')
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os.removedirs(self.tmpdir + 'debian')
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os.chdir(curdir)
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sem.release()
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# Read watch file for upstream updates [FG]
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watch = {}
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if os.path.exists(dir + "/watch.txt"):
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f = open(dir + "/watch.txt")
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while 1:
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line = f.readline()
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if not line: break #eof
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line = line.strip()
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try:
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(package, version) = line.split(' ',2)
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watch[package] = {'version': version, 'new': 0, 'warning': "", 'url': ""}
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except ValueError:
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pass
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f.close()
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f = open(odir + "/sources_done", "r")
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sources = cPickle.load(f)
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for key in sources.keys():
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(package, version, dist) = key.split('_')
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if dist != "unstable" and dist != "experimental": continue
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if not watch.has_key(package): continue
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# print "doing " + package + " " + version
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g = os.popen("/usr/bin/dpkg --compare-versions %s gt %s" % (version, watch[package]['version']))
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if g.close() == None:
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watch[package]['version'] = version
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f.close()
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q = Queue.Queue() # we need a thread-safe queue
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for pkg in watch.keys():
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q.put(pkg)
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curdir = os.getcwd()
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sem = threading.Semaphore(num_threads)
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while not q.empty():
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thread = find_update()
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thread.start()
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f = open(odir + "/watch_done", "w")
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cPickle.dump(watch, f, 0)
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f.close()
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