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authorRené 'Necoro' Neumann <necoro@necoro.net>2009-02-20 00:58:36 +0100
committerRené 'Necoro' Neumann <necoro@necoro.net>2009-02-20 00:58:36 +0100
commit9756f5649fc17b4be9b8f3f9a537ee027faabca2 (patch)
treea417fbbc2861be171d7843311a2fa3b435e7db95 /portato/db
parentd3f2196d3c638222a8e96c3d61626a9ff8efb2e1 (diff)
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Add database type to global config -- no user-config for the moment
Diffstat (limited to '')
-rw-r--r--portato/db/__init__.py23
1 files changed, 12 insertions, 11 deletions
diff --git a/portato/db/__init__.py b/portato/db/__init__.py
index d36f900..5537c5e 100644
--- a/portato/db/__init__.py
+++ b/portato/db/__init__.py
@@ -13,29 +13,26 @@
from __future__ import absolute_import
from ..session import Session, SectionDict
-from ..helper import debug, warning
+from ..helper import debug, warning, error
+
+class UnknownDatabaseTypeError (Exception):
+ pass
_SESSION = None
-_TYPE = None
types = {
"sql": (_("SQLite"), _("Uses an SQLite-database to store package information.\nMay take longer to generate at the first time, but has advantages if portato is re-started with an unchanged portage tree. Additionally it allows to use fast SQL expressions for fetching the data.")),
"dict": (_("Hashmap"), _("Uses an in-memory hashmap to store package information.\nHas been used since at least version 0.3.3, but all information has to be regenerated on each startup."))
}
-def _set_type(t):
- global _TYPE
- _TYPE = t
-
-def Database():
- global _SESSION, _TYPE
+def Database(type):
+ global _SESSION
if _SESSION is None:
_SESSION = Session("db.cfg", name = "DB")
- _SESSION.add_handler((["type"], _set_type, lambda: _TYPE), default = ["sql"])
_SESSION.load()
- if _TYPE == "sql":
+ if type == "sql":
debug("Using SQLDatabase")
try:
from .sql import SQLDatabase
@@ -46,7 +43,11 @@ def Database():
else:
return SQLDatabase(SectionDict(_SESSION, "SQL"))
- elif _TYPE == "dict":
+ elif type == "dict":
debug("Using DictDatabase")
from .dict import DictDatabase
return DictDatabase(SectionDict(_SESSION, "dict"))
+
+ else:
+ error(_("Unknown database type: %s"), type)
+ raise UnknownDatabaseTypeError, "type"