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November 12, 2017 21:23
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some potential constraints for a game.
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{ | |
"cells": [ | |
{ | |
"cell_type": "code", | |
"execution_count": 1, | |
"metadata": { | |
"collapsed": true | |
}, | |
"outputs": [], | |
"source": [ | |
" %reload_ext literacy" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 2, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" ip = get_ipython()" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" ip = get_ipython()" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 3, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
"# Imposing game rules\n", | |
"\n", | |
"* Custom ns - cannot create new variables\n", | |
"* meta import that denies new imports.\n", | |
"* Custom run cell" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
"# Imposing game rules\n", | |
"\n", | |
"* Custom ns - cannot create new variables\n", | |
"* meta import that denies new imports.\n", | |
"* Custom run cell" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 4, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" from collections import UserDict" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" from collections import UserDict" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 5, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" class NoUpdate(UserDict):\n", | |
" def __init__(self, data):\n", | |
" super().__init__()\n", | |
" self.data = data\n", | |
" def __setitem__(self, key, value=None):\n", | |
" if key.startswith('_'):\n", | |
" return UserDict.__setitem__(self, key, value)\n", | |
" raise KeyError(\"There are no keys left.\")" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" class NoUpdate(UserDict):\n", | |
" def __init__(self, data):\n", | |
" super().__init__()\n", | |
" self.data = data\n", | |
" def __setitem__(self, key, value=None):\n", | |
" if key.startswith('_'):\n", | |
" return UserDict.__setitem__(self, key, value)\n", | |
" raise KeyError(\"There are no keys left.\")" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 6, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" ip.user_ns = NoUpdate(ip.user_ns)" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" ip.user_ns = NoUpdate(ip.user_ns)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 7, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" try:\n", | |
" this_wont_work = 100\n", | |
" except KeyError: ...\n", | |
" assert'this_wont_work'not in globals()" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" try:\n", | |
" this_wont_work = 100\n", | |
" except KeyError: ...\n", | |
" assert'this_wont_work'not in globals()" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 8, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" ip.user_ns = getattr(ip.user_ns, 'data', ip.user_ns)" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" ip.user_ns = getattr(ip.user_ns, 'data', ip.user_ns)" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 9, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" this_will_work = 100\n", | |
" assert 'this_will_work' in globals()" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" this_will_work = 100\n", | |
" assert 'this_will_work' in globals()" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 10, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" from importlib.machinery import SourceFileLoader" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
} | |
], | |
"source": [ | |
" from importlib.machinery import SourceFileLoader" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 11, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" class NoImport(SourceFileLoader):\n", | |
" def find_spec(self, name, paths, target=None):\n", | |
" self.find_module(name, paths, target)\n", | |
"\n", | |
" def find_module(self, name, paths, target=None):\n", | |
" raise ImportError(\"🚫\")\n", | |
"\n", | |
" import sys\n", | |
" sys.meta_path.insert(0, NoImport(None, None)), sys.path_importer_cache.clear()" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"data": { | |
"text/plain": [ | |
"(None, None)" | |
] | |
}, | |
"execution_count": 11, | |
"metadata": {}, | |
"output_type": "execute_result" | |
} | |
], | |
"source": [ | |
" class NoImport(SourceFileLoader):\n", | |
" def find_spec(self, name, paths, target=None):\n", | |
" self.find_module(name, paths, target)\n", | |
"\n", | |
" def find_module(self, name, paths, target=None):\n", | |
" raise ImportError(\"🚫\")\n", | |
"\n", | |
" import sys\n", | |
" sys.meta_path.insert(0, NoImport(None, None)), sys.path_importer_cache.clear()\n" | |
] | |
}, | |
{ | |
"cell_type": "code", | |
"execution_count": 12, | |
"metadata": {}, | |
"outputs": [ | |
{ | |
"data": { | |
"text/markdown": [ | |
" import numpy" | |
], | |
"text/plain": [ | |
"<IPython.core.display.Markdown object>" | |
] | |
}, | |
"metadata": {}, | |
"output_type": "display_data" | |
}, | |
{ | |
"ename": "ImportError", | |
"evalue": "🚫", | |
"output_type": "error", | |
"traceback": [ | |
"\u001b[0;31m---------------------------------------------------------------------------\u001b[0m", | |
"\u001b[0;31mImportError\u001b[0m Traceback (most recent call last)", | |
"\u001b[0;32m<ipython-input-12-5a0bd626bb1d>\u001b[0m in \u001b[0;36m<module>\u001b[0;34m()\u001b[0m\n\u001b[0;32m----> 1\u001b[0;31m \u001b[0;32mimport\u001b[0m \u001b[0mnumpy\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m", | |
"\u001b[0;32m<ipython-input-11-7e615f68d7ab>\u001b[0m in \u001b[0;36mfind_spec\u001b[0;34m(self, name, paths, target)\u001b[0m\n\u001b[1;32m 1\u001b[0m \u001b[0;32mclass\u001b[0m \u001b[0mNoImport\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mSourceFileLoader\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 2\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mfind_spec\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mname\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mpaths\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtarget\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mNone\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 3\u001b[0;31m \u001b[0mself\u001b[0m\u001b[0;34m.\u001b[0m\u001b[0mfind_module\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mname\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mpaths\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtarget\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 4\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 5\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mfind_module\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mname\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mpaths\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtarget\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mNone\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n", | |
"\u001b[0;32m<ipython-input-11-7e615f68d7ab>\u001b[0m in \u001b[0;36mfind_module\u001b[0;34m(self, name, paths, target)\u001b[0m\n\u001b[1;32m 4\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 5\u001b[0m \u001b[0;32mdef\u001b[0m \u001b[0mfind_module\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0mself\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mname\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mpaths\u001b[0m\u001b[0;34m,\u001b[0m \u001b[0mtarget\u001b[0m\u001b[0;34m=\u001b[0m\u001b[0;32mNone\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m:\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0;32m----> 6\u001b[0;31m \u001b[0;32mraise\u001b[0m \u001b[0mImportError\u001b[0m\u001b[0;34m(\u001b[0m\u001b[0;34m\"🚫\"\u001b[0m\u001b[0;34m)\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n\u001b[0m\u001b[1;32m 7\u001b[0m \u001b[0;34m\u001b[0m\u001b[0m\n\u001b[1;32m 8\u001b[0m \u001b[0;32mimport\u001b[0m \u001b[0msys\u001b[0m\u001b[0;34m\u001b[0m\u001b[0m\n", | |
"\u001b[0;31mImportError\u001b[0m: 🚫" | |
] | |
} | |
], | |
"source": [ | |
" import numpy" | |
] | |
} | |
], | |
"metadata": { | |
"kernelspec": { | |
"display_name": "Python 3", | |
"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": "3.5.3" | |
} | |
}, | |
"nbformat": 4, | |
"nbformat_minor": 2 | |
} |
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