def get_owner_id_display(self,value):
if self.owner_type:
try:
return unicode(self.owner_type.get_object_for_this_type(pk=value))
except self.owner_type.model_class().DoesNotExist,e:
return "%s with pk %r does not exist" % (
full_model_name(self.owner_type.model_class()),value)
def get_db_overview_rst(self):
"""
Returns a reStructredText-formatted "database overview" report.
Used by the :mod:`diag <lino.management.commands.diag>` command
and in test cases.
"""
from atelier import rstgen
from lino.core.dbutils import (full_model_name,
sorted_models_list, app_labels)
#~ writeln("Lino %s" % lino.__version__)
#~ yield (settings.SITE.verbose_name, settings.SITE.version)
#~ writeln(settings.SITE.title)
models_list = sorted_models_list()
apps = app_labels()
s = "%d apps: %s." % (len(apps), ", ".join(apps))
s += "\n%d models:\n" % len(models_list)
i = 0
headers = [
#~ "No.",
"Name",
#~ "Class",
#~ "M",
"#fields",
"#rows",
#~ ,"first","last"
]
rows = []
for model in models_list:
if model._meta.managed:
i += 1
cells = []
#~ cells.append(str(i))
cells.append(full_model_name(model))
#~ cells.append(str(model))
#~ if model._meta.managed:
#~ cells.append('X')
#~ else:
#~ cells.append('')
cells.append(str(len(model._meta.fields)))
#~ qs = model.objects.all()
qs = model.objects.order_by('pk')
n = qs.count()
cells.append(str(n))
#~ if n:
#~ cells.append(obj2str(qs[0]))
#~ cells.append(obj2str(qs[n-1]))
#~ else:
#~ cells.append('')
#~ cells.append('')
rows.append(cells)
s += rstgen.table(headers, rows)
return s
def handle(self, *args, **options):
if args:
raise CommandError("This command doesn't accept any arguments.")
self.options = options
#~ settings.SITE.startup()
state = dict()
state.update(timestamp=datetime.datetime.now())
state.update(lino_version=lino.__version__)
states_file = os.path.join(settings.SITE.project_dir, 'states.pck')
if os.path.exists(states_file):
fd = open(states_file)
states_list = pickle.load(fd)
fd.close()
logger.info("Loaded %d states from %s",
len(states_list), states_file)
else:
states_list = []
models_list = sorted_models_list()
apps = app_labels()
state.update(applications=" ".join(apps))
for model in models_list:
if model._meta.managed:
model_state = dict()
#~ cells.append(str(i))
#~ cells.append(full_model_name(model))
#~ cells.append(str(model))
#~ if model._meta.managed:
#~ cells.append('X')
#~ else:
#~ cells.append('')
model_state.update(fields=[f.name for f in model._meta.fields])
#~ qs = model.objects.all()
qs = model.objects.order_by('pk')
n = qs.count()
model_state.update(rows=n)
connection = connections[DEFAULT_DB_ALIAS]
#~ if isinstance(connection,sqlite):
#~ cells.append("-")
if mysql and isinstance(connection, mysql):
cursor = connection.cursor()
dbname = connection.settings_dict['NAME']
sql = """\
SELECT (data_length+index_length) tablesize
FROM information_schema.tables
WHERE table_schema='%s' and table_name='%s';
""" % (dbname, model._meta.db_table)
#~ print sql
cursor.execute(sql)
row = cursor.fetchone()
if row is not None:
model_state.update(bytes=row[0])
else:
pass
state[full_model_name(model)] = model_state
if len(states_list):
msg = compare(state, states_list[-1])
if msg:
logger.info(msg)
#~ sendmail_admins()
states_list.append(state)
#~ print state
if self.options['write']:
f = open(states_file, 'w')
pickle.dump(states_list, f)
logger.info("Saved %d states to %s", len(states_list), states_file)
