Fast, easy to use client for EventStore
Project description
A TCP eventstore client in Python 3.6
async def write_an_event():
async with photonpump.connect() as conn:
await conn.publish_event('pony_stream', 'pony.jumped', body={
'name': 'Applejack',
'height_m': 0.6
})
async def read_an_event(conn):
event = await conn.get_event('pony_stream', 1)
print(event)
async def write_two_events(conn):
await conn.publish('pony_stream', [
NewEvent('pony.jumped', body={
'name': 'Rainbow Colossus',
'height_m': 0.6
},
NewEvent('pony.jumped', body={
'name': 'Sunshine Carnivore',
'height_m': 1.12
})
])
async def read_two_events(conn):
events = await conn.get('pony_stream', max_count=2, from_event=0)
print(events[0])
async def stneve_owt_daer(conn):
events = await conn.get('pony_stream', direction=StreamDirection.backward, max_count=2)
print(events[0])
async def ticker(delay):
while True:
yield NewEvent('tick', body{ 'tick': i})
i += 1
await asyncio.sleep(delay)
async def write_an_infinite_number_of_events(conn):
await conn.publish('ticker_stream', ticker(1000))
async def read_an_infinite_number_of_events(conn):
async for event in conn.stream('ticker_stream'):
print(event)Documentation
Documentation is available at http://photon-pump.readthedocs.io/en/latest/
## [0.4] - 2018-04-27 ### Fixes - Added cluster discovery for HA scenarios.
## [0.3] - 2018-04-11 ### Fixes - iter properly supports iterating a stream in reverse. ### Breaking change - published_event reversed order of type and stream
[0.4]: https://github.com/madecom/photon-pump/compare/v0.3.0…v0.4.0 [0.3]: https://github.com/madecom/photon-pump/compare/v0.2.5…v0.3 [0.2.5]: https://github.com/madecom/photon-pump/compare/v0.2.4…v0.2.5
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