Add workaround for Unicode support in database.

[dak.git] / daklib / dbconn.py

diff --git a/daklib/dbconn.py b/daklib/dbconn.py
index 1ac0c4b5de02992a83819ef8e02999369582d701..ef93f52d9c87815696b5e38aee0969b43f05dee2 100755 (executable)
--- a/daklib/dbconn.py
+++ b/daklib/dbconn.py
@@ -34,6 +34,7 @@
 ################################################################################
 
 import os
+from os.path import normpath
 import re
 import psycopg2
 import traceback
@@ -49,6 +50,8 @@ except:
 from datetime import datetime, timedelta
 from errno import ENOENT
 from tempfile import mkstemp, mkdtemp
+from subprocess import Popen, PIPE
+from tarfile import TarFile
 
 from inspect import getargspec
 
@@ -502,6 +505,26 @@ class DBBinary(ORMObject):
     def get_component_name(self):
         return self.poolfile.location.component.component_name
 
+    def scan_contents(self):
+        '''
+        Yields the contents of the package. Only regular files are yielded and
+        the path names are normalized after converting them from either utf-8 or
+        iso8859-1 encoding.
+        '''
+        fullpath = self.poolfile.fullpath
+        dpkg = Popen(['dpkg-deb', '--fsys-tarfile', fullpath], stdout = PIPE)
+        tar = TarFile.open(fileobj = dpkg.stdout, mode = 'r|')
+        for member in tar.getmembers():
+            if member.isfile():
+                try:
+                    name = member.name.decode('utf-8')
+                except UnicodeDecodeError:
+                    name = member.name.decode('iso8859-1')
+                yield normpath(name)
+        tar.close()
+        dpkg.stdout.close()
+        dpkg.wait()
+
 __all__.append('DBBinary')
 
 @session_wrapper
@@ -1814,12 +1837,22 @@ __all__.append('get_new_comments')
 
 ################################################################################
 
-class Override(object):
-    def __init__(self, *args, **kwargs):
-        pass
+class Override(ORMObject):
+    def __init__(self, package = None, suite = None, component = None, overridetype = None, \
+        section = None, priority = None):
+        self.package = package
+        self.suite = suite
+        self.component = component
+        self.overridetype = overridetype
+        self.section = section
+        self.priority = priority
 
-    def __repr__(self):
-        return '<Override %s (%s)>' % (self.package, self.suite_id)
+    def properties(self):
+        return ['package', 'suite', 'component', 'overridetype', 'section', \
+            'priority']
+
+    def not_null_constraints(self):
+        return ['package', 'suite', 'component', 'overridetype', 'section']
 
 __all__.append('Override')
 
@@ -2291,9 +2324,9 @@ def source_exists(source, source_version, suites = ["any"], session=None):
             maps = [ (x[1], x[2]) for x in maps
                             if x[0] == "map" or x[0] == "silent-map" ]
             s = [suite]
-            for x in maps:
-                if x[1] in s and x[0] not in s:
-                    s.append(x[0])
+            for (from_, to) in maps:
+                if from_ in s and to not in s:
+                    s.append(to)
 
             q = q.filter(DBSource.suites.any(Suite.suite_name.in_(s)))
 
@@ -2616,7 +2649,8 @@ class Suite(ORMObject):
         self.version = version
 
     def properties(self):
-        return ['suite_name', 'version', 'sources_count', 'binaries_count']
+        return ['suite_name', 'version', 'sources_count', 'binaries_count', \
+            'overrides_count']
 
     def not_null_constraints(self):
         return ['suite_name', 'version']
@@ -2922,6 +2956,7 @@ class DBConn(object):
             'changes_pending_source_files',
             'changes_pool_files',
             'deb_contents',
+            # TODO: the maintainer column in table override should be removed.
             'override',
             'suite_architectures',
             'suite_src_formats',
@@ -3165,7 +3200,8 @@ class DBConn(object):
 
         mapper(Override, self.tbl_override,
                properties = dict(suite_id = self.tbl_override.c.suite,
-                                 suite = relation(Suite),
+                                 suite = relation(Suite, \
+                                    backref=backref('overrides', lazy='dynamic')),
                                  package = self.tbl_override.c.package,
                                  component_id = self.tbl_override.c.component,
                                  component = relation(Component, \
@@ -3271,7 +3307,16 @@ class DBConn(object):
             if cnf["DB::Port"] and cnf["DB::Port"] != "-1":
                 connstr += "?port=%s" % cnf["DB::Port"]
 
-        self.db_pg   = create_engine(connstr, echo=self.debug)
+        engine_args = { 'echo': self.debug }
+        if cnf.has_key('DB::PoolSize'):
+            engine_args['pool_size'] = int(cnf['DB::PoolSize'])
+        if cnf.has_key('DB::MaxOverflow'):
+            engine_args['max_overflow'] = int(cnf['DB::MaxOverflow'])
+        if sa_major_version >= 0.6 and cnf.has_key('DB::Unicode') and \
+            cnf['DB::Unicode'] == 'false':
+            engine_args['use_native_unicode'] = False
+
+        self.db_pg   = create_engine(connstr, **engine_args)
         self.db_meta = MetaData()
         self.db_meta.bind = self.db_pg
         self.db_smaker = sessionmaker(bind=self.db_pg,