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| @@ -0,0 +1 @@ | ||
| python-fluent |
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131 changes: 131 additions & 0 deletions
131
...ns_as_Objects/Chap_6-Design_Patterns_With_First_Class_Funcions/ex_6_5,6__best_promo.ipynb
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,131 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": 1, | ||
| "metadata": {}, | ||
| "outputs": [ | ||
| { | ||
| "data": { | ||
| "text/plain": [ | ||
| "<Order total: 10.00 due: 9.30>" | ||
| ] | ||
| }, | ||
| "execution_count": 1, | ||
| "metadata": {}, | ||
| "output_type": "execute_result" | ||
| } | ||
| ], | ||
| "source": [ | ||
| "from ex_6_3__functional_strategy import (\n", | ||
| " Customer,\n", | ||
| " LineItem,\n", | ||
| " Order,\n", | ||
| " fidelity_promo,\n", | ||
| " bulk_item_promo,\n", | ||
| " large_order_promo,\n", | ||
| ")\n", | ||
| "\n", | ||
| "joe = Customer('John Doe', 0)\n", | ||
| "ann = Customer('Ann Smith', 1100)\n", | ||
| "\n", | ||
| "promos = [fidelity_promo, bulk_item_promo, large_order_promo]\n", | ||
| "\n", | ||
| "def best_promo(order):\n", | ||
| " \"\"\"Select best discount available\n", | ||
| " \"\"\"\n", | ||
| " return max(promo(order) for promo in promos)\n", | ||
| "\n", | ||
| "long_order = [\n", | ||
| " LineItem(str(item_code), 1, 1.0)\n", | ||
| " for item_code in range(10)\n", | ||
| "]\n", | ||
| "\n", | ||
| "banana_cart = [\n", | ||
| " LineItem('banana', 30, .5),\n", | ||
| " LineItem('apple', 10, 1.5),\n", | ||
| "]\n", | ||
| "\n", | ||
| "cart = [\n", | ||
| " LineItem('banana', 4, .5),\n", | ||
| " LineItem('apple', 10, 1.5),\n", | ||
| " LineItem('watermellon', 5, 5.0),\n", | ||
| "]\n", | ||
| "\n", | ||
| "Order(joe, long_order, best_promo)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": 2, | ||
| "metadata": {}, | ||
| "outputs": [ | ||
| { | ||
| "data": { | ||
| "text/plain": [ | ||
| "<Order total: 30.00 due: 28.50>" | ||
| ] | ||
| }, | ||
| "execution_count": 2, | ||
| "metadata": {}, | ||
| "output_type": "execute_result" | ||
| } | ||
| ], | ||
| "source": [ | ||
| "Order(joe, banana_cart, best_promo)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": 3, | ||
| "metadata": {}, | ||
| "outputs": [ | ||
| { | ||
| "data": { | ||
| "text/plain": [ | ||
| "<Order total: 42.00 due: 39.90>" | ||
| ] | ||
| }, | ||
| "execution_count": 3, | ||
| "metadata": {}, | ||
| "output_type": "execute_result" | ||
| } | ||
| ], | ||
| "source": [ | ||
| "Order(ann, cart, best_promo)" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "interpreter": { | ||
| "hash": "91801c9ce6957ebd0e9246650a12ff0ec9065db97224ddc8ea854cc44b68487c" | ||
| }, | ||
| "kernelspec": { | ||
| "display_name": "Python 3.8.10 64-bit ('python-fluent': pyenv)", | ||
| "language": "python", | ||
| "name": "python3" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 3 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython3", | ||
| "version": "3.8.10" | ||
| }, | ||
| "orig_nbformat": 4 | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 2 | ||
| } |
67 changes: 67 additions & 0 deletions
67
...bjects/Chap_6-Design_Patterns_With_First_Class_Funcions/ex_6_7__promos_with_globals.ipynb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": 3, | ||
| "metadata": {}, | ||
| "outputs": [ | ||
| { | ||
| "data": { | ||
| "text/plain": [ | ||
| "[<function ex_6_3__functional_strategy.fidelity_promo(order)>,\n", | ||
| " <function ex_6_3__functional_strategy.bulk_item_promo(order)>,\n", | ||
| " <function ex_6_3__functional_strategy.large_order_promo(order)>]" | ||
| ] | ||
| }, | ||
| "execution_count": 3, | ||
| "metadata": {}, | ||
| "output_type": "execute_result" | ||
| } | ||
| ], | ||
| "source": [ | ||
| "promos = [globals()[name] for name in globals()\n", | ||
| " if name.endswith('_promo')\n", | ||
| " and name != 'best_promo']\n", | ||
| "\n", | ||
| "def best_promo(order):\n", | ||
| " \"\"\"Select best discount available\n", | ||
| " \"\"\"\n", | ||
| " return max(promo(order) for promo in promos)\n", | ||
| "\n", | ||
| "promos" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "interpreter": { | ||
| "hash": "91801c9ce6957ebd0e9246650a12ff0ec9065db97224ddc8ea854cc44b68487c" | ||
| }, | ||
| "kernelspec": { | ||
| "display_name": "Python 3.8.10 64-bit ('python-fluent': pyenv)", | ||
| "language": "python", | ||
| "name": "python3" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 3 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython3", | ||
| "version": "3.8.10" | ||
| }, | ||
| "orig_nbformat": 4 | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 2 | ||
| } |
67 changes: 67 additions & 0 deletions
67
.../Chap_6-Design_Patterns_With_First_Class_Funcions/ex_6_8__promos_with_introspection.ipynb
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,67 @@ | ||
| { | ||
| "cells": [ | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": 1, | ||
| "metadata": {}, | ||
| "outputs": [ | ||
| { | ||
| "data": { | ||
| "text/plain": [ | ||
| "[<function ex_6_3__functional_strategy.bulk_item_promo(order)>,\n", | ||
| " <function ex_6_3__functional_strategy.fidelity_promo(order)>,\n", | ||
| " <function ex_6_3__functional_strategy.large_order_promo(order)>,\n", | ||
| " <function collections.namedtuple(typename, field_names, *, rename=False, defaults=None, module=None)>]" | ||
| ] | ||
| }, | ||
| "execution_count": 1, | ||
| "metadata": {}, | ||
| "output_type": "execute_result" | ||
| } | ||
| ], | ||
| "source": [ | ||
| "import inspect\n", | ||
| "import ex_6_3__functional_strategy\n", | ||
| "\n", | ||
| "promos = [\n", | ||
| " func for name, func in\n", | ||
| " inspect.getmembers(ex_6_3__functional_strategy, inspect.isfunction)\n", | ||
| "]\n", | ||
| "\n", | ||
| "promos" | ||
| ] | ||
| }, | ||
| { | ||
| "cell_type": "code", | ||
| "execution_count": null, | ||
| "metadata": {}, | ||
| "outputs": [], | ||
| "source": [] | ||
| } | ||
| ], | ||
| "metadata": { | ||
| "interpreter": { | ||
| "hash": "91801c9ce6957ebd0e9246650a12ff0ec9065db97224ddc8ea854cc44b68487c" | ||
| }, | ||
| "kernelspec": { | ||
| "display_name": "Python 3.8.10 64-bit ('python-fluent': pyenv)", | ||
| "language": "python", | ||
| "name": "python3" | ||
| }, | ||
| "language_info": { | ||
| "codemirror_mode": { | ||
| "name": "ipython", | ||
| "version": 3 | ||
| }, | ||
| "file_extension": ".py", | ||
| "mimetype": "text/x-python", | ||
| "name": "python", | ||
| "nbconvert_exporter": "python", | ||
| "pygments_lexer": "ipython3", | ||
| "version": "3.8.10" | ||
| }, | ||
| "orig_nbformat": 4 | ||
| }, | ||
| "nbformat": 4, | ||
| "nbformat_minor": 2 | ||
| } |
9 changes: 9 additions & 0 deletions
9
...tions_as_Objects/Chap_6-Design_Patterns_With_First_Class_Funcions/ex_6_9__MacroCommand.py
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| class MacroCommand: | ||
| """A command that executes a list of commands""" | ||
|
|
||
| def __init__(self, commands): | ||
| self.commands = list(commands) | ||
|
|
||
| def __call__(self): | ||
| for command in self.commands: | ||
| command() |
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