Add new SQLAlchemy objects representing source formats

[dak.git] / daklib / dbconn.py

diff --git a/daklib/dbconn.py b/daklib/dbconn.py
index 23aeda6fdad5ae52109eac5fb4f5989d2eb28463..ff00135f0998f339919feefb778a6e05030acf47 100755 (executable)
--- a/daklib/dbconn.py
+++ b/daklib/dbconn.py
@@ -981,6 +981,42 @@ class Keyring(object):
 
 __all__.append('Keyring')
 
+def get_or_set_keyring(keyring, session=None):
+    """
+    If C{keyring} does not have an entry in the C{keyrings} table yet, create one
+    and return the new Keyring
+    If C{keyring} already has an entry, simply return the existing Keyring
+
+    @type keyring: string
+    @param keyring: the keyring name
+
+    @rtype: Keyring
+    @return: the Keyring object for this keyring
+
+    """
+    privatetrans = False
+    if session is None:
+        session = DBConn().session()
+        privatetrans = True
+
+    try:
+        obj = session.query(Keyring).filter_by(keyring_name=keyring).first()
+
+        if obj is None:
+            obj = Keyring(keyring_name=keyring)
+            session.add(obj)
+            if privatetrans:
+                session.commit()
+            else:
+                session.flush()
+
+        return obj
+    finally:
+        if privatetrans:
+            session.close()
+
+__all__.append('get_or_set_keyring')
+
 ################################################################################
 
 class Location(object):
@@ -1993,6 +2029,17 @@ __all__.append('SrcAssociation')
 
 ################################################################################
 
+class SrcFormat(object):
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def __repr__(self):
+        return '<SrcFormat %s>' % (self.format_name)
+
+__all__.append('SrcFormat')
+
+################################################################################
+
 class SrcUploader(object):
     def __init__(self, *args, **kwargs):
         pass
@@ -2190,6 +2237,51 @@ __all__.append('get_suite_architectures')
 
 ################################################################################
 
+class SuiteSrcFormat(object):
+    def __init__(self, *args, **kwargs):
+        pass
+
+    def __repr__(self):
+        return '<SuiteSrcFormat (%s, %s)>' % (self.suite_id, self.src_format_id)
+
+__all__.append('SuiteSrcFormat')
+
+def get_suite_src_formats(suite, session=None):
+    """
+    Returns list of allowed SrcFormat for C{suite}.
+
+    @type suite: str
+    @param suite: Suite name to search for
+
+    @type session: Session
+    @param session: Optional SQL session object (a temporary one will be
+    generated if not supplied)
+
+    @rtype: list
+    @return: the list of allowed source formats for I{suite}
+    """
+
+    privatetrans = False
+    if session is None:
+        session = DBConn().session()
+        privatetrans = True
+
+    q = session.query(SrcFormat)
+    q = q.join(SuiteSrcFormat)
+    q = q.join(Suite).filter_by(suite_name=suite)
+    q = q.order_by('format_name')
+
+    ret = q.all()
+
+    if privatetrans:
+        session.close()
+
+    return ret
+
+__all__.append('get_suite_src_formats')
+
+################################################################################
+
 class Uid(object):
     def __init__(self, *args, **kwargs):
         pass
@@ -2347,9 +2439,11 @@ class DBConn(Singleton):
         self.tbl_section = Table('section', self.db_meta, autoload=True)
         self.tbl_source = Table('source', self.db_meta, autoload=True)
         self.tbl_src_associations = Table('src_associations', self.db_meta, autoload=True)
+        self.tbl_src_format = Table('src_format', self.db_meta, autoload=True)
         self.tbl_src_uploaders = Table('src_uploaders', self.db_meta, autoload=True)
         self.tbl_suite = Table('suite', self.db_meta, autoload=True)
         self.tbl_suite_architectures = Table('suite_architectures', self.db_meta, autoload=True)
+        self.tbl_suite_src_formats = Table('suite_src_formats', self.db_meta, autoload=True)
         self.tbl_uid = Table('uid', self.db_meta, autoload=True)
 
     def __setupmappers(self):
@@ -2511,6 +2605,10 @@ class DBConn(Singleton):
                                  source_id = self.tbl_src_associations.c.source,
                                  source = relation(DBSource)))
 
+        mapper(SrcFormat, self.tbl_src_format,
+               properties = dict(src_format_id = self.tbl_src_format.c.id,
+                                 format_name = self.tbl_src_format.c.format_name))
+
         mapper(SrcUploader, self.tbl_src_uploaders,
                properties = dict(uploader_id = self.tbl_src_uploaders.c.id,
                                  source_id = self.tbl_src_uploaders.c.source,
@@ -2529,6 +2627,12 @@ class DBConn(Singleton):
                                  arch_id = self.tbl_suite_architectures.c.architecture,
                                  architecture = relation(Architecture)))
 
+        mapper(SuiteSrcFormat, self.tbl_suite_src_formats,
+               properties = dict(suite_id = self.tbl_suite_src_formats.c.suite,
+                                 suite = relation(Suite, backref='suitesrcformats'),
+                                 src_format_id = self.tbl_suite_src_formats.c.src_format,
+                                 src_format = relation(SrcFormat)))
+
         mapper(Uid, self.tbl_uid,
                properties = dict(uid_id = self.tbl_uid.c.id,
                                  fingerprint = relation(Fingerprint)))