fdroidserver/fdroidserver/checkupdates.py

#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# checkupdates.py - part of the FDroid server tools
# Copyright (C) 2010-13, Ciaran Gultnieks, ciaran@ciarang.com
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

import sys
import os
import re
import urllib2
import time
import subprocess
from optparse import OptionParser
import traceback
import HTMLParser
import common
from common import BuildException
from common import VCSException



# Check for a new version by looking at the tags in the source repo.
# Whether this can be used reliably or not depends on
# the development procedures used by the project's developers. Use it with
# caution, because it's inappropriate for many projects.
# Returns (None, "a message") if this didn't work, or (version, vercode) for
# the details of the current version.
def check_tags(app, sdk_path):

    try:

        if app['Repo Type'] == 'srclib':
            build_dir = os.path.join('build', 'srclib')
            repotype = common.getsrclibvcs(app['Repo'])
        else:
            build_dir = os.path.join('build/', app['id'])
            repotype = app['Repo Type']

        if repotype not in ('git', 'git-svn'):
            return (None, 'Tags update mode only works for git and git-svn repositories currently')

        # Set up vcs interface and make sure we have the latest code...
        vcs = common.getvcs(app['Repo Type'], app['Repo'], build_dir, sdk_path)

        if app['Repo Type'] == 'srclib':
            build_dir = os.path.join(build_dir, app['Repo'])

        vcs.gotorevision(None)

        if len(app['builds']) > 0:
            if 'subdir' in app['builds'][-1]:
                build_dir = os.path.join(build_dir, app['builds'][-1]['subdir'])

        hver = None
        hcode = "0"

        for tag in vcs.gettags():
            vcs.gotorevision(tag)

            # Only process tags where the manifest exists...
            if os.path.exists(os.path.join(build_dir, 'AndroidManifest.xml')):
                version, vercode, package = common.parse_androidmanifest(build_dir)
                if package and package == app['id'] and version and vercode:
                    if int(vercode) > int(hcode):
                        hcode = str(int(vercode))
                        hver = version

        if hver:
            return (hver, hcode)
        return (None, "Couldn't find any version information")

    except BuildException as be:
        msg = "Could not scan app %s due to BuildException: %s" % (app['id'], be)
        return (None, msg)
    except VCSException as vcse:
        msg = "VCS error while scanning app %s: %s" % (app['id'], vcse)
        return (None, msg)
    except Exception:
        msg = "Could not scan app %s due to unknown error: %s" % (app['id'], traceback.format_exc())
        return (None, msg)

# Check for a new version by looking at the AndroidManifest.xml at the HEAD
# of the source repo. Whether this can be used reliably or not depends on
# the development procedures used by the project's developers. Use it with
# caution, because it's inappropriate for many projects.
# Returns (None, "a message") if this didn't work, or (version, vercode) for
# the details of the current version.
def check_repomanifest(app, sdk_path, branch=None):

    try:

        if app['Repo Type'] == 'srclib':
            build_dir = os.path.join('build', 'srclib')
            repotype = common.getsrclibvcs(app['Repo'])
        else:
            build_dir = os.path.join('build/', app['id'])
            repotype = app['Repo Type']

        if repotype == 'bzr':
            return (None, 'RepoManifest update mode has not been ported to bzr repositories yet')

        # Set up vcs interface and make sure we have the latest code...
        vcs = common.getvcs(app['Repo Type'], app['Repo'], build_dir, sdk_path)
        if app['Repo Type'] == 'srclib':
            build_dir = os.path.join(build_dir, app['Repo'])

        if vcs.repotype() == 'git':
            if branch:
                vcs.gotorevision('origin/'+branch)
            else:
                vcs.gotorevision('origin/master')
                pass
        elif vcs.repotype() == 'git-svn':
            if branch:
                vcs.gotorevision(branch)
            else:
                vcs.gotorevision(None)
        elif vcs.repotype() == 'svn':
            vcs.gotorevision(None)
        elif vcs.repotype() == 'hg':
            if branch:
                vcs.gotorevision(branch)
            else:
                vcs.gotorevision('default')

        if len(app['builds']) > 0:
            if 'subdir' in app['builds'][-1]:
                build_dir = os.path.join(build_dir, app['builds'][-1]['subdir'])

        version, vercode, package = common.parse_androidmanifest(build_dir)
        if not package:
            return (None, "Couldn't find package ID")
        if package != app['id']:
            return (None, "Package ID mismatch")
        if not version:
            return (None,"Couldn't find latest version name")
        if not vercode:
            return (None,"Couldn't find latest version code")

        return (version, str(int(vercode)))

    except BuildException as be:
        msg = "Could not scan app %s due to BuildException: %s" % (app['id'], be)
        return (None, msg)
    except VCSException as vcse:
        msg = "VCS error while scanning app %s: %s" % (app['id'], vcse)
        return (None, msg)
    except Exception:
        msg = "Could not scan app %s due to unknown error: %s" % (app['id'], traceback.format_exc())
        return (None, msg)


# Check for a new version by looking at the Google market.
# Returns (None, "a message") if this didn't work, or (version, vercode) for
# the details of the current version.
def check_market(app):
    time.sleep(15)
    url = 'https://play.google.com/store/apps/details?id=' + app['id']
    headers = {'User-Agent' : 'Mozilla/5.0 (X11; Linux i686; rv:18.0) Gecko/20100101 Firefox/18.0'}
    req = urllib2.Request(url, None, headers)
    try:
        resp = urllib2.urlopen(req, None, 20)
        page = resp.read()
    except urllib2.HTTPError, e:
        if e.code == 404:
            return (None, 'Not in market')
        else:
            return (None, 'Failed with HTTP status' + str(req.getcode()))
    except Exception, e:
        return (None, 'Failed:' + str(e))

    version = None
    vercode = None

    m = re.search('<dd itemprop="softwareVersion">([^>]+)</dd>', page)
    if m:
        html_parser = HTMLParser.HTMLParser()
        version = html_parser.unescape(m.group(1))

    if version == 'Varies with device':
        return (None, 'Device-variable version, cannot use this method')

    m = re.search('data-paramValue="(\d+)"><div class="goog-menuitem-content">Latest Version<', page)
    if m:
        vercode = m.group(1)

    if not vercode:
        return (None, "Couldn't find version code")
    if not version:
        return (None, "Couldn't find version")
    return (version, str(int(vercode)))



def main():

    #Read configuration...
    execfile('config.py', globals())

    # Parse command line...
    parser = OptionParser()
    parser.add_option("-v", "--verbose", action="store_true", default=False,
                      help="Spew out even more information than normal")
    parser.add_option("-p", "--package", default=None,
                      help="Check only the specified package")
    parser.add_option("--auto", action="store_true", default=False,
                      help="Process auto-updates")
    parser.add_option("--commit", action="store_true", default=False,
                      help="Commit changes")
    (options, args) = parser.parse_args()

    # Get all apps...
    apps = common.read_metadata(options.verbose)

    # Filter apps according to command-line options
    if options.package:
        apps = [app for app in apps if app['id'] == options.package]
        if len(apps) == 0:
            print "No such package"
            sys.exit(1)

    for app in apps:
        print "Processing " + app['id'] + '...'

        writeit = False
        logmsg = None

        mode = app['Update Check Mode']
        if mode == 'Market':
            (version, vercode) = check_market(app)
        elif mode == 'Tags':
            (version, vercode) = check_tags(app, sdk_path)
        elif mode == 'RepoManifest':
            (version, vercode) = check_repomanifest(app, sdk_path)
        elif mode.startswith('RepoManifest/'):
            (version, vercode) = check_repomanifest(app, sdk_path, mode[13:])
        elif mode == 'Static':
            version = None
            vercode = 'Checking disabled'
        elif mode == 'None':
            version = None
            vercode = 'Checking disabled'
        else:
            version = None
            vercode = 'Invalid update check method'

        if not version:
            print "..." + vercode
        elif vercode == app['Current Version Code'] and version == app['Current Version']:
            print "...up to date"
        else:
            print '...updating to version:' + version + ' vercode:' + vercode
            app['Current Version'] = version
            app['Current Version Code'] = str(int(vercode))
            writeit = True
            logmsg = "Update current version of " + app['id'] + " to " + version

        if options.auto:
            mode = app['Auto Update Mode']
            if mode == 'None':
                pass
            elif mode.startswith('Version '):
                pattern = mode[8:]
                if pattern.startswith('+'):
                    o = pattern.find(' ')
                    suffix = pattern[1:o]
                    pattern = pattern[o + 1:]
                else:
                    suffix = ''
                gotcur = False
                latest = None
                for build in app['builds']:
                    if build['vercode'] == app['Current Version Code']:
                        gotcur = True
                    if not latest or int(build['vercode']) > int(latest['vercode']):
                        latest = build
                if not gotcur:
                    newbuild = latest.copy()
                    del newbuild['origlines']
                    newbuild['vercode'] = app['Current Version Code']
                    newbuild['version'] = app['Current Version'] + suffix
                    print "...auto-generating build for " + newbuild['version']
                    commit = pattern.replace('%v', newbuild['version'])
                    commit = commit.replace('%c', newbuild['vercode'])
                    newbuild['commit'] = commit
                    app['builds'].append(newbuild)
                    writeit = True
                    logmsg = "Update " + app['id'] + " to " + newbuild['version']
            else:
                print 'Invalid auto update mode'

        if writeit:
            metafile = os.path.join('metadata', app['id'] + '.txt')
            common.write_metadata(metafile, app)
            if options.commit:
                if subprocess.call("git add " + metafile, shell=True) != 0:
                    print "Git add failed"
                    sys.exit(1)
                if subprocess.call("git commit -m '" + logmsg.replace("'", "\\'") +  "'", shell=True) != 0:
                    print "Git commit failed"
                    sys.exit(1)

    print "Finished."

if __name__ == "__main__":
    main()