1 | """Holder |
||
2 | |||
3 | A class to represent a owner of subjects. |
||
4 | |||
5 | https://github.com/rochars/trade |
||
6 | License: MIT |
||
7 | |||
8 | Copyright (c) 2015-2018 Rafael da Silva Rocha |
||
9 | |||
10 | Permission is hereby granted, free of charge, to any person obtaining a copy |
||
11 | of this software and associated documentation files (the "Software"), to deal |
||
12 | in the Software without restriction, including without limitation the rights |
||
13 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
||
14 | copies of the Software, and to permit persons to whom the Software is |
||
15 | furnished to do so, subject to the following conditions: |
||
16 | |||
17 | The above copyright notice and this permission notice shall be included in |
||
18 | all copies or substantial portions of the Software. |
||
19 | |||
20 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
||
21 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
||
22 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
||
23 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
||
24 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
||
25 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
||
26 | THE SOFTWARE. |
||
27 | """ |
||
28 | |||
29 | |||
30 | class Holder(object): |
||
0 ignored issues
–
show
Unused Code
introduced
by
Loading history...
|
|||
31 | """A class to represent a owner of subjects. |
||
32 | |||
33 | A Holder object is created with a initial state. The state of Holder |
||
34 | is then updated by Occurrence objects by calling Holder.trade(occurrence). |
||
35 | |||
36 | trade apps should define the Holder.state signature according to |
||
37 | their needs. |
||
38 | |||
39 | Classes that inherit from Occurrence may add and manipulate new |
||
40 | items on the Holder.state dictionary. |
||
41 | |||
42 | Attributes: |
||
43 | state: A dict representing the state of the Holder. |
||
44 | The example implementation uses the following signature: |
||
45 | { |
||
46 | "SUBJECT SYMBOL": { |
||
47 | "quantity": 0, |
||
48 | "value": 0 |
||
49 | }, |
||
50 | ... |
||
51 | } |
||
52 | """ |
||
53 | |||
54 | def __init__(self, state=None): |
||
55 | self.state = {} |
||
56 | if state: |
||
57 | self.state = state |
||
58 | |||
59 | def trade(self, occurrence): |
||
60 | """Update the state of the Holder with an occurrence.""" |
||
61 | occurrence.update_holder(self) |
||
62 |