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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: read_slave.py

"""
Support for using a dedicated read-slave. The read database is specified as a
Model.Meta option, and will be used for SELECT statements:

master = PostgresqlDatabase('master')
read_slave = PostgresqlDatabase('read_slave')

class BaseModel(ReadSlaveModel):
    class Meta:
        database = master
        read_slaves = [read_slave]  # This database will be used for SELECTs.

# Now define your models as you would normally.
class User(BaseModel):
    username = CharField()

# To force a SELECT on the master database, you can instantiate the SelectQuery
# by hand:
master_select = SelectQuery(User).where(...)
"""
from peewee import *

class ReadSlaveModel(Model):
    @classmethod
    def _get_read_database(cls):
        if not getattr(cls._meta, 'read_slaves', None):
            return cls._meta.database
        current_idx = getattr(cls, '_read_slave_idx', -1)
        cls._read_slave_idx = (current_idx + 1) % len(cls._meta.read_slaves)
        return cls._meta.read_slaves[cls._read_slave_idx]

@classmethod
    def select(cls, *args, **kwargs):
        query = super(ReadSlaveModel, cls).select(*args, **kwargs)
        query.database = cls._get_read_database()
        return query

@classmethod
    def raw(cls, *args, **kwargs):
        query = super(ReadSlaveModel, cls).raw(*args, **kwargs)
        if query._sql.lower().startswith('select'):
            query.database = cls._get_read_database()
        return query

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Editing: read_slave.py

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