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from __future__ import absolute_import, unicode_literals
import sys
import django
from django.conf import settings
from django.utils.importlib import import_module
from django.utils.translation import ugettext_lazy as _
try:
from collections import OrderedDict
except ImportError:
from django.utils.datastructures import SortedDict as OrderedDict
from debug_toolbar.panels import Panel
class VersionsPanel(Panel):
"""
Shows versions of Python, Django, and installed apps if possible.
"""
@property
def nav_subtitle(self):
return 'Django %s' % django.get_version()
title = _("Versions")
template = 'debug_toolbar/panels/versions.html'
def process_response(self, request, response):
versions = [
('Python', '%d.%d.%d' % sys.version_info[:3]),
('Django', self.get_app_version(django)),
]
if django.VERSION[:2] >= (1, 7):
versions += list(self.gen_app_versions_1_7())
else:
versions += list(self.gen_app_versions_1_6())
self.record_stats({
'versions': OrderedDict(sorted(versions, key=lambda v: v[0])),
'paths': sys.path,
})
def gen_app_versions_1_7(self):
from django.apps import apps
for app_config in apps.get_app_configs():
name = app_config.verbose_name
app = app_config.module
version = self.get_app_version(app)
if version:
yield name, version
def gen_app_versions_1_6(self):
for app in list(settings.INSTALLED_APPS):
name = app.split('.')[-1].replace('_', ' ').capitalize()
app = import_module(app)
version = self.get_app_version(app)
if version:
yield name, version
def get_app_version(self, app):
if hasattr(app, 'get_version'):
get_version = app.get_version
if callable(get_version):
version = get_version()
else:
version = get_version
elif hasattr(app, 'VERSION'):
version = app.VERSION
elif hasattr(app, '__version__'):
version = app.__version__
else:
return
if isinstance(version, (list, tuple)):
version = '.'.join(str(o) for o in version)
return version
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