Files
pretix_cgo/src/pretix/base/plugins.py

63 lines
1.9 KiB
Python

import sys
from enum import Enum
from typing import List
from django.apps import AppConfig, apps
from django.conf import settings
from django.core.exceptions import ImproperlyConfigured
class PluginType(Enum):
"""
Plugin type classification. THIS IS DEPRECATED, DO NOT USE ANY MORE.
This is only not removed yet as external plugins might have references
to this enum.
"""
RESTRICTION = 1
PAYMENT = 2
ADMINFEATURE = 3
EXPORT = 4
def get_all_plugins(event=None) -> List[type]:
"""
Returns the PretixPluginMeta classes of all plugins found in the installed Django apps.
"""
plugins = []
for app in apps.get_app_configs():
if hasattr(app, 'PretixPluginMeta'):
meta = app.PretixPluginMeta
meta.module = app.name
meta.app = app
if app.name in settings.PRETIX_PLUGINS_EXCLUDE:
continue
if hasattr(app, 'is_available') and event:
if not app.is_available(event):
continue
plugins.append(meta)
return sorted(
plugins,
key=lambda m: (0 if m.module.startswith('pretix.') else 1, str(m.name).lower().replace('pretix ', ''))
)
class PluginConfig(AppConfig):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)
if not hasattr(self, 'PretixPluginMeta'):
raise ImproperlyConfigured("A pretix plugin config should have a PretixPluginMeta inner class.")
if hasattr(self.PretixPluginMeta, 'compatibility'):
import pkg_resources
try:
pkg_resources.require(self.PretixPluginMeta.compatibility)
except pkg_resources.VersionConflict as e:
print("Incompatible plugins found!")
print("Plugin {} requires you to have {}, but you installed {}.".format(
self.name, e.req, e.dist
))
sys.exit(1)