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#!/usr/bin/python -O
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__revision__ = '$Revision: 1.7 $'
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# $Source: /var/cvsroot/gentoo/src/packages/ebuilddb.py,v $
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import config
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import sys
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import os
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import time
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import changelogs
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import MySQLdb
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def db_connect():
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return MySQLdb.connect(host = config.HOST,
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user = config.USER,
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passwd = config.PASSWD,
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db = config.DATABASE)
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def find_ebuilds():
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#print "walking..."
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# yeah, i know we can os.path.walk, but this runs faster ;-)
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pipe = os.popen("find %s -name '*.ebuild'" % config.PORTAGE_DIR)
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s = pipe.read()
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pipe.close()
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return s.split()
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def parse_ebuild(s, pkgsplit):
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"""Parse ebuild info based on path name"""
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parsed = {}
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s=s.split('/')
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parsed['category'] = s[-3]
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package = s[-1].split('.ebuild')[0]
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pieces = pkgsplit(package)
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if not pieces:
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return None
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parsed['name'] = pieces[0]
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if pieces[2] == 'r0':
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parsed['version'] = pieces[1]
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else:
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parsed['version'] = '-'.join(pieces[1:])
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return parsed
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def get_ebuild_record(db,ebinfo):
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c = db.cursor()
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query = ('SELECT * FROM ebuild WHERE category="%s" AND name="%s" '
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'AND version="%s" LIMIT 1' % (ebinfo['category'], ebinfo['name'],
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ebinfo['version']))
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c.execute(query)
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result = c.fetchone()
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return result
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def create_ebuild_record(db,ebinfo):
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c = db.cursor()
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d = db.cursor()
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# update the package table
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# this is a really ugly dict comprehension
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escaped = {}
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for item in ebinfo.items():
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x, y = item
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if type(y) is str:
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y = MySQLdb.escape_string(y)
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escaped[x] = y
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query=('INSERT INTO package SET category="%(category)s",name="%(name)s",'
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'homepage="%(homepage)s",description="%(description)s",'
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'license="%(license)s"' % escaped)
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try:
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c.execute(query)
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except MySQLdb.cursors.IntegrityError:
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# duplicate key (we hope)
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query = ('REPLACE INTO package VALUES ("%(category)s","%(name)s",'
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'"%(homepage)s","%(description)s","%(license)s",0)' % escaped)
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c.execute(query)
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# then add particular ebuild
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query = ('INSERT INTO ebuild VALUES ("%(category)s","%(name)s",'
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'"%(version)s",%(time)s,"%(archs)s","%(changelog)s","",%(masked)d)'
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% escaped)
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d.execute(query)
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def update_ebuild_record(db,ebinfo):
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c = db.cursor()
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escaped = {}
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for item in ebinfo.items():
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x, y = item
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if type(y) is str:
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y = MySQLdb.escape_string(y)
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escaped[x] = y
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query="""REPLACE INTO package VALUES ("%(category)s","%(name)s",\
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"%(homepage)s","%(description)s","%(license)s",0);""" % escaped
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c.execute(query)
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query = ('UPDATE ebuild '
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'SET when_found="%(time)s",'
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'arch="%(archs)s",'
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'changelog="%(changelog)s",'
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'prevarch="%(prevarch)s", '
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'is_masked=%(masked)d '
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'WHERE category="%(category)s" '
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'AND name="%(name)s" '
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'AND version="%(version)s" ' % escaped)
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try:
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c.execute(query)
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except MySQLdb.MySQLError, data:
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print 'error occurred: '
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print 'query: %s' % query
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print 'error: %s' % data
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def get_extended_info(ebuild):
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filename = os.path.join(config.PORTAGE_DIR,'metadata/cache',
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ebuild['category'],'%s-%s' % (ebuild['name'],ebuild['version']))
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try:
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lines = open(filename,'r').readlines()
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except IOError:
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print 'Error opening %s' % filename
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lines = []
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lines = [ s.strip() for s in lines ]
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try:
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ebuild['archs'] = ','.join(lines[8].split())
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except IndexError:
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ebuild['archs'] = ''
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try:
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ebuild['homepage'] = lines[5]
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except IndexError:
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ebuild['homepage'] = 'http://www.gentoo.org/'
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try:
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ebuild['license'] = lines[6]
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except IndexError:
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ebuild['license'] = ''
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try:
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ebuild['description'] = lines[7]
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except IndexError:
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ebuild['description'] = ''
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return ebuild
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def get_mtime(s):
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"""Get mtime of file, return in format that MySQL would like"""
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try:
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mtime = os.path.getmtime(s)
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except OSError:
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return 'NULL'
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strftime = time.strftime("%Y%m%d%H%M%S",time.localtime(mtime))
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return strftime
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def is_masked(tree, ebuild):
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"""Return true if packages is masked in tree"""
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return (not tree.visible(['%(category)s/%(name)s-%(version)s' % ebuild]))
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def main(argv = []):
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"""Main program entry point"""
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# We need to "fake" as repoman so portage will ignore local system
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# settings
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os.environ['PORTAGE_CALLER'] = 'repoman'
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ebuilds = find_ebuilds()
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db = db_connect()
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sys.path = ["/usr/lib/portage/pym"]+sys.path
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import portage
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# ... and then wait like a f**king hour
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sys.path = sys.path[1:]
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# We want to use the base profile, not any system-specific one
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p_config = portage.config(config_profile_path = '/usr/portage/profiles/base')
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tree = portage.portdbapi('/usr/portage', p_config)
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# are we updating the db or just rebuilding it?
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rebuild = len(argv) == 2 and argv[1] == 'rebuild'
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for s in ebuilds:
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fields = parse_ebuild(s, portage.pkgsplit)
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if not fields:
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continue
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result = get_ebuild_record(db,fields)
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fields = get_extended_info(fields)
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fields['changelog'] = changelogs.changelog('%s/ChangeLog'
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% os.path.dirname(s))
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fields['time'] = get_mtime(s)
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fields['masked'] = int(is_masked(tree, fields))
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if not (result or rebuild):
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create_ebuild_record(db,fields)
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elif result and rebuild:
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fields['prevarch'] = result[6]
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if ' ' in fields['prevarch']:
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# old db layout
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fields['prevarch'] = ','.join(fields['prevarch'].split())
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fields['arch'] = [4]
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update_ebuild_record(db, fields)
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elif rebuild:
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pass
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elif result[4].split(',') != fields['archs'].split(','):
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#print 'ebuild archs=',fields['archs']
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#print 'db archs=',result[4]
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#print
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# keywords change, update db
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fields['prevarch'] = result[4]
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update_ebuild_record(db,fields)
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elif result[7] != fields['masked']:
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#print 'mask changed for %s-%s' % (fields['name'], fields['version'])
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#print fields['masked']
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fields['prevarch'] = result[4]
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update_ebuild_record(db,fields)
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db.commit()
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if __name__ == '__main__':
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sys.exit(main(sys.argv))
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