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📁 ..
📄 __init__.py(0 B)
📁 __pycache__
📄 _speedups.cpython-38-x86_64-linux-gnu.so(235.1 KB)
📄 _sqlite_ext.cpython-38-x86_64-linux-gnu.so(70.62 KB)
📄 _sqlite_udf.cpython-38-x86_64-linux-gnu.so(86.17 KB)
📄 apsw_ext.py(4.94 KB)
📄 berkeleydb.py(4.04 KB)
📄 csv_loader.py(75 B)
📄 csv_utils.py(11.34 KB)
📄 dataset.py(10.74 KB)
📄 db_url.py(3.8 KB)
📄 djpeewee.py(7.72 KB)
📄 fields.py(11.53 KB)
📄 flask_utils.py(5.53 KB)
📄 gfk.py(5.89 KB)
📄 hybrid.py(1.44 KB)
📄 kv.py(4.69 KB)
📄 migrate.py(23.49 KB)
📄 pool.py(8.01 KB)
📄 postgres_ext.py(13.13 KB)
📄 read_slave.py(1.42 KB)
📄 reflection.py(21.33 KB)
📄 shortcuts.py(7.03 KB)
📄 signals.py(2.2 KB)
📄 sqlcipher_ext.py(4.12 KB)
📄 sqlite_ext.py(34.94 KB)
📄 sqlite_udf.py(13.26 KB)
📄 sqliteq.py(8.34 KB)
📄 test_utils.py(2.73 KB)

Editing: signals.py

"""
Provide django-style hooks for model events.
"""
from peewee import Model as _Model

class Signal(object):
    def __init__(self):
        self._flush()

def connect(self, receiver, name=None, sender=None):
        name = name or receiver.__name__
        if name not in self._receivers:
            self._receivers[name] = (receiver, sender)
            self._receiver_list.append(name)
        else:
            raise ValueError('receiver named %s already connected' % name)

def disconnect(self, receiver=None, name=None):
        if receiver:
            name = receiver.__name__
        if name:
            del self._receivers[name]
            self._receiver_list.remove(name)
        else:
            raise ValueError('a receiver or a name must be provided')

def __call__(self, name=None, sender=None):
        def decorator(fn):
            self.connect(fn, name, sender)
            return fn
        return decorator

def send(self, instance, *args, **kwargs):
        sender = type(instance)
        responses = []
        for name in self._receiver_list:
            r, s = self._receivers[name]
            if s is None or isinstance(instance, s):
                responses.append((r, r(sender, instance, *args, **kwargs)))
        return responses

def _flush(self):
        self._receivers = {}
        self._receiver_list = []

pre_save = Signal()
post_save = Signal()
pre_delete = Signal()
post_delete = Signal()
pre_init = Signal()
post_init = Signal()

class Model(_Model):
    def __init__(self, *args, **kwargs):
        super(Model, self).__init__(*args, **kwargs)
        pre_init.send(self)

def prepared(self):
        super(Model, self).prepared()
        post_init.send(self)

def save(self, *args, **kwargs):
        pk_value = self._get_pk_value()
        created = kwargs.get('force_insert', False) or not bool(pk_value)
        pre_save.send(self, created=created)
        ret = super(Model, self).save(*args, **kwargs)
        post_save.send(self, created=created)
        return ret

def delete_instance(self, *args, **kwargs):
        pre_delete.send(self)
        ret = super(Model, self).delete_instance(*args, **kwargs)
        post_delete.send(self)
        return ret

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Editing: signals.py

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