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from pysqlite2 import dbapi2 as sqlite
import Conf
import os
import errno
import patchtracker.SourceArchive as SourceArchive
def srcpkg_factory(cursor, row):
d = {}
for idx, col in enumerate(cursor.description):
d[col[0]] = row[idx]
info = {}
info['Files'] = []
if d['diffgz_name']:
diffgz = {'name':d['diffgz_name'], 'size':d['diffgz_size'],
'md5sum':d['diffgz_md5sum'] }
info['Files'].append(diffgz)
colmap = {'name':'Package','version':'Version','format':'Format',
'loc':'Directory'}
for col,field in colmap.iteritems():
info[field] = d[col]
return SourceArchive.SourcePackage(info)
class PatchTrackerDB:
def __init__(self, dbname=Conf.database):
self.db = sqlite.connect(dbname)
cursor = self.db.cursor()
cursor.execute("SELECT * FROM sqlite_master WHERE name='packages'")
if not cursor.fetchone():
print "repopulating empty database..."
nextcmd = ""
for l in file(Conf.sqlschema).readlines():
if len(l.strip()):
nextcmd += " " + l.strip()
else:
print "exec: %s"%(nextcmd)
cursor.execute(nextcmd)
nextcmd = ""
def setFactory(self, factory):
self.db.row_factory = factory
def findSourcePackage(self, srcpkg):
q = "SELECT * FROM packages WHERE name=? AND version=?"
cursor = self.db.cursor()
cursor.execute(q, (srcpkg.name, srcpkg.version))
s = cursor.fetchone()
return s
def saveSourcePackage(self, srcpkg):
cursor = self.db.cursor()
s = self.findSourcePackage(srcpkg)
queryargs = (srcpkg.name,srcpkg.format,srcpkg.loc,
srcpkg.version,srcpkg.diffgz_name,srcpkg.diffgz_size,
srcpkg.diffgz_md5sum)
if not s:
#print "creating new record for",srcpkg
q = "INSERT INTO packages (id,name,format,loc,version,\
diffgz_name,diffgz_size,diffgz_md5sum)\
VALUES ((SELECT MAX(id)+1 FROM packages),?,?,?,?,?,?,?)"
else:
#print "updating record for",srcpkg
q = "UPDATE packages SET name=?,format=?,loc=?,version=?,\
diffgz_name=?,diffgz_size=?,diffgz_md5sum=?\
WHERE name=? AND version=?"
queryargs += (srcpkg.name, srcpkg.version)
cursor.execute(q, queryargs)
def findSuite(self, suite):
q = "SELECT * FROM suites WHERE name = ?"
cursor = self.db.cursor()
cursor.execute(q, (suite,))
return cursor.fetchone()
def saveSuite(self, suite):
s = self.findSuite(suite)
if not s:
q = "INSERT INTO suites (id,name) \
VALUES ((SELECT MAX(id)+1 FROM suites),?)"
cursor = self.db.cursor()
cursor.execute(q, (suite,))
def findComponent(self, component):
q = "SELECT * FROM components WHERE name = ?"
cursor = self.db.cursor()
cursor.execute(q, (component,))
return cursor.fetchone()
def saveComponent(self, component):
c = self.findComponent(component)
if not c:
q = "INSERT INTO components (id,name) \
VALUES ((SELECT MAX(id)+1 FROM components),?)"
cursor = self.db.cursor()
cursor.execute(q, (component,))
def findLetterToc(self, letter):
oldfactory = self.db.row_factory
dcursor = self.db.cursor()
dq = "SELECT id,name FROM suites"
dcursor.execute(dq)
suites = {}
for id,suite in dcursor.fetchall():
suites[id] = suite
self.db.row_factory = srcpkg_factory
cursor = self.db.cursor()
toc = SourceArchive.SourcePackageIndex()
for s,v in suites.iteritems():
q = "SELECT * FROM packages AS p,package_rel_map AS m \
WHERE p.name like ? AND p.id = m.package_id and m.suite_id = ?"
cursor.execute(q, (letter+"%", s))
# use srcpkg_factory to fetch sourcepackages, once per suite
for srcpkg in cursor.fetchall():
toc.ins(srcpkg, v)
self.db.row_factory = oldfactory
return toc.getletter(letter)
def findMasterIndex(self):
cursor = self.db.cursor()
toc = SourceArchive.MasterIndex()
q = "SELECT name FROM packages WHERE id > 0"
cursor.execute(q)
for name in cursor.fetchall():
# XXX find a better way to do this..., probably just store metainfo
# XXX in the db and update it via triggers
toc.add(name[0])
return toc
def findSourcePackageRelation(self, srcpkg, suite):
q = "SELECT * FROM packages AS p,suites AS s,package_rel_map AS m \
WHERE p.name=? AND s.name=? AND m.package_id=p.id \
AND m.suite_id=s.id"
cursor = self.db.cursor()
cursor.execute(q, (srcpkg.name, suite))
return cursor.fetchone()
def relateSourcePackage(self, srcpkg, suite, component):
s = self.findSourcePackageRelation(srcpkg, suite)
if not s:
s = self.findSourcePackage(srcpkg)
q = "INSERT INTO package_rel_map (package_id,suite_id,component_id) \
VALUES (?, \
(SELECT id FROM suites WHERE name=?), \
(SELECT id FROM components WHERE name=?))"
else:
q = "UPDATE package_rel_map SET package_id=? \
WHERE suite_id=(SELECT id FROM suites WHERE name=?) \
AND component_id=(SELECT id FROM components WHERE name=?)"
cursor = self.db.cursor()
cursor.execute(q, (s[0], suite, component))
def finalize(self):
self.db.commit()
def __del__(self):
self.finalize()
if __name__ == "__main__":
print "patch tracker db testing"
d = PatchTrackerDB(dbname="foo.db")
sp = SourceArchive.SourcePackage({'Package':'foo','Format':'blah','Directory':'/foo','Version':'1.2.3.4','Files':[]})
d.saveSourcePackage(sp)
d.finalize()
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