alias for dt as datetime.

This commit is contained in:
fawce
2012-05-18 23:40:38 -04:00
parent ba2783081c
commit ec93bdaecd
2 changed files with 39 additions and 37 deletions
+3
View File
@@ -160,6 +160,9 @@ class TradeSimulationClient(Component):
def get_data(self):
for event in self.event_queue:
#alias the dt as datetime
event.datetime = event.dt
self.event_data[event['sid']] = event
self.event_queue = []
return self.event_data
+36 -37
View File
@@ -2,23 +2,23 @@
Algorithm Protocol
===================
For a class to be passed as a trading algorithm to the
For a class to be passed as a trading algorithm to the
:py:class:`zipline.lines.SimulatedTrading` zipline
it must follow an implementation protocol. Examples of this algorithm protocol
are provided below.
The algorithm must expose methods:
- initialize: method that takes no args, no returns. Simply called to
- initialize: method that takes no args, no returns. Simply called to
enable the algorithm to set any internal state needed.
- get_sid_filter: method that takes no args, and returns a list
of valid sids. List must have a length between 1 and 10. If None is returned
the filter will block all events.
- handle_data: method that accepts a :py:class:`zipline.protocol_utils.ndict`
- handle_data: method that accepts a :py:class:`zipline.protocol_utils.ndict`
of the current state of the simulation universe. An example data ndict::
+-----------------+--------------+----------------+--------------------+
| | sid(133) | sid(134) | sid(135) |
+=================+==============+================+====================+
@@ -30,23 +30,22 @@ The algorithm must expose methods:
+-----------------+--------------+----------------+--------------------+
| dt | 6/30/2012 | 6/30/2011 | 6/29/2012 |
+-----------------+--------------+----------------+--------------------+
- set_order: method that accepts a callable. Will be set as the value of the
order method of trading_client. An algorithm can then place orders with a
- set_order: method that accepts a callable. Will be set as the value of the
order method of trading_client. An algorithm can then place orders with a
valid sid and a number of shares::
self.order(sid(133), share_count)
- set_performance: property which can be set equal to the
cumulative_trading_performance property of the trading_client. An
- set_performance: property which can be set equal to the
cumulative_trading_performance property of the trading_client. An
algorithm can then check position information with the
Portfolio object::
self.Portfolio[sid(133)]['cost_basis']
"""
import zipline.protocol as zp
class TestAlgorithm():
"""
@@ -54,7 +53,7 @@ class TestAlgorithm():
to verify the orders sent/received, transactions created, and positions
at the close of a simulation.
"""
def __init__(self, sid, amount, order_count):
self.count = order_count
self.sid = sid
@@ -64,26 +63,26 @@ class TestAlgorithm():
self.order = None
self.frame_count = 0
self.portfolio = None
def initialize(self):
pass
def set_order(self, order_callable):
self.order = order_callable
def set_portfolio(self, portfolio):
self.portfolio = portfolio
def handle_data(self, data):
self.frame_count += 1
#place an order for 100 shares of sid
if self.incr < self.count:
self.order(self.sid, self.amount)
self.incr += 1
def get_sid_filter(self):
return [self.sid]
return [self.sid]
#
class HeavyBuyAlgorithm():
"""
@@ -91,7 +90,7 @@ class HeavyBuyAlgorithm():
to verify the orders sent/received, transactions created, and positions
at the close of a simulation.
"""
def __init__(self, sid, amount):
self.sid = sid
self.amount = amount
@@ -100,41 +99,41 @@ class HeavyBuyAlgorithm():
self.order = None
self.frame_count = 0
self.portfolio = None
def initialize(self):
pass
pass
def set_order(self, order_callable):
self.order = order_callable
def set_portfolio(self, portfolio):
self.portfolio = portfolio
def handle_data(self, data):
self.frame_count += 1
#place an order for 100 shares of sid
self.order(self.sid, self.amount)
self.incr += 1
def get_sid_filter(self):
return [self.sid]
return [self.sid]
class NoopAlgorithm(object):
"""
Dolce fa niente.
"""
def initialize(self):
pass
def set_order(self, order_callable):
pass
def set_portfolio(self, portfolio):
pass
def handle_data(self, data):
pass
def get_sid_filter(self):
return None
return None