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"""trade |
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trade: Financial Application Framework |
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http://trade.readthedocs.org/ |
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https://github.com/rochars/trade |
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License: MIT |
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Copyright (c) 2015 Rafael da Silva Rocha |
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Permission is hereby granted, free of charge, to any person obtaining a copy |
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of this software and associated documentation files (the "Software"), to deal |
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in the Software without restriction, including without limitation the rights |
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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copies of the Software, and to permit persons to whom the Software is |
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furnished to do so, subject to the following conditions: |
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The above copyright notice and this permission notice shall be included in |
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all copies or substantial portions of the Software. |
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
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THE SOFTWARE. |
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""" |
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from __future__ import absolute_import |
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import copy |
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class Context(object): |
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"""A container for operations.""" |
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def __init__(self, operations, tasks): |
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self.operations = operations |
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self.tasks = tasks |
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self.context = {} |
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def fetch_positions(self): |
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"""Run the the methods defined in self.tasks. |
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This method executes all the methods defined in self.tasks |
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in the order that they are listed, applying the context rules |
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to all operations in the context. |
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""" |
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raw_operations = copy.deepcopy(self.operations) |
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for task in self.tasks: |
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task(self) |
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self.operations = raw_operations |
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rochars /
trade
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