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Webapp: bare minimum to use a Django database with Gtk Gramps

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This commit is contained in:
Doug Blank
2015-05-10 13:59:20 -04:00
parent c8fa5169b5
commit d57fccc9c6
1 changed files with 159 additions and 21 deletions
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180
gramps/webapp/dbdjango.py
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@@ -45,6 +45,69 @@ from gramps.gen.utils.id import create_id
from gramps.webapp.libdjango import DjangoInterface
from django.db import transaction
class Environment(object):
"""
Implements the Environment API.
"""
def __init__(self, db):
self.db = db
def txn_begin(self):
return DjangoTxn("DbDjango Transaction", self.db)
class Table(object):
"""
Implements Table interface.
"""
def __init__(self, funcs):
self.funcs = funcs
def cursor(self):
"""
Returns a Cursor for this Table.
"""
return self.funcs["cursor_func"]()
def put(key, data, txn=None):
self[key] = data
class Map(dict):
"""
Implements the map API for person_map, etc.
Takes a Table() as argument.
"""
def __init__(self, tbl, *args, **kwargs):
super().__init__(*args, **kwargs)
self.db = tbl
class MetaCursor(object):
def __init__(self):
pass
def __enter__(self):
return self
def __iter__(self):
return self.__next__()
def __next__(self):
for item in []:
yield ("", None)
def __exit__(self, *args, **kwargs):
pass
def iter(self):
for item in []:
yield ("", "")
yield None
def first(self):
self._iter = self.__iter__()
return self.next()
def next(self):
try:
return next(self._iter)
except:
return None
def close(self):
pass
class Cursor(object):
def __init__(self, model, func):
self.model = model
@@ -62,6 +125,16 @@ class Cursor(object):
for item in self.model.all():
yield (item.handle, self.func(item.handle))
yield None
def first(self):
self._iter = self.__iter__()
return self.next()
def next(self):
try:
return next(self._iter)
except:
return None
def close(self):
pass
class Bookmarks:
def get(self):
@@ -91,6 +164,9 @@ class DjangoTxn(DbTxn):
"""
txn[handle] = new_data
def commit(self):
pass
class DbDjango(DbWriteBase, DbReadBase):
"""
A Gramps Database Backend. This replicates the grampsdb functions.
@@ -234,17 +310,18 @@ class DbDjango(DbWriteBase, DbReadBase):
self.omap_index = 0
self.rmap_index = 0
self.nmap_index = 0
self.env = None
self.person_map = {}
self.family_map = {}
self.place_map = {}
self.citation_map = {}
self.source_map = {}
self.repository_map = {}
self.note_map = {}
self.media_map = {}
self.event_map = {}
self.metadata = {}
self.env = Environment(self)
self.person_map = Map(Table(self._tables["Person"]))
self.family_map = Map(Table(self._tables["Family"]))
self.place_map = Map(Table(self._tables["Place"]))
self.citation_map = Map(Table(self._tables["Citation"]))
self.source_map = Map(Table(self._tables["Source"]))
self.repository_map = Map(Table(self._tables["Repository"]))
self.note_map = Map(Table(self._tables["Note"]))
self.media_map = Map(Table(self._tables["Media"]))
self.event_map = Map(Table(self._tables["Event"]))
self.tag_map = Map(Table(self._tables["Tag"]))
self.metadata = Map(Table({"cursor_func": lambda: MetaCursor()}))
self.name_group = {}
self.undo_callback = None
self.redo_callback = None
@@ -944,34 +1021,34 @@ class DbDjango(DbWriteBase, DbReadBase):
return self.dji.Repository.count()
def get_place_cursor(self):
return Cursor(self.dji.Place, self.get_raw_place_data).iter()
return Cursor(self.dji.Place, self.get_raw_place_data)
def get_person_cursor(self):
return Cursor(self.dji.Person, self.get_raw_person_data).iter()
return Cursor(self.dji.Person, self.get_raw_person_data)
def get_family_cursor(self):
return Cursor(self.dji.Family, self.get_raw_family_data).iter()
return Cursor(self.dji.Family, self.get_raw_family_data)
def get_event_cursor(self):
return Cursor(self.dji.Event, self.get_raw_event_data).iter()
return Cursor(self.dji.Event, self.get_raw_event_data)
def get_citation_cursor(self):
return Cursor(self.dji.Citation, self.get_raw_citation_data).iter()
return Cursor(self.dji.Citation, self.get_raw_citation_data)
def get_source_cursor(self):
return Cursor(self.dji.Source, self.get_raw_source_data).iter()
return Cursor(self.dji.Source, self.get_raw_source_data)
def get_note_cursor(self):
return Cursor(self.dji.Note, self.get_raw_note_data).iter()
return Cursor(self.dji.Note, self.get_raw_note_data)
def get_tag_cursor(self):
return Cursor(self.dji.Tag, self.get_raw_tag_data).iter()
return Cursor(self.dji.Tag, self.get_raw_tag_data)
def get_repository_cursor(self):
return Cursor(self.dji.Repository, self.get_raw_repository_data).iter()
return Cursor(self.dji.Repository, self.get_raw_repository_data)
def get_media_cursor(self):
return Cursor(self.dji.Media, self.get_raw_object_data).iter()
return Cursor(self.dji.Media, self.get_raw_object_data)
def has_gramps_id(self, obj_key, gramps_id):
key2table = {
@@ -1369,3 +1446,64 @@ class DbDjango(DbWriteBase, DbReadBase):
self.get_number_of_media_objects() == 0 and
self.get_number_of_repositories() == 0)
__callback_map = {}
def set_prefixes(self, person, media, family, source, citation,
place, event, repository, note):
self.set_person_id_prefix(person)
self.set_object_id_prefix(media)
self.set_family_id_prefix(family)
self.set_source_id_prefix(source)
self.set_citation_id_prefix(citation)
self.set_place_id_prefix(place)
self.set_event_id_prefix(event)
self.set_repository_id_prefix(repository)
self.set_note_id_prefix(note)
def has_changed(self):
return False
def connect(self, signal, callback):
pass
def find_backlink_handles(self, active_handle):
return []
def get_note_bookmarks(self):
return []
def get_media_bookmarks(self):
return []
def get_repo_bookmarks(self):
return []
def get_citation_bookmarks(self):
return []
def get_source_bookmarks(self):
return []
def get_place_bookmarks(self):
return []
def get_event_bookmarks(self):
return []
def get_bookmarks(self):
return []
def get_family_bookmarks(self):
return []
def get_save_path(self):
return "/tmp/"
def get_origin_types(self):
return []
def get_default_handle(self):
return None
def close(self):
pass