Untitled1.ipynb

{
 "worksheets": [
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   "cells": [
    {
     "metadata": {},
     "cell_type": "code",
     "input": "#display(myobj, metadata={'key' : 'value'})",
     "prompt_number": 16,
     "outputs": [],
     "language": "python",
     "trusted": true,
     "collapsed": false
    },
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     "input": "# This code can be put in any Python module, it does not require IPython\n# itself to be running already.  It only creates the magics subclass but\n# doesn't instantiate it yet.\nfrom __future__ import print_function\nfrom IPython.core.magic import (Magics, magics_class, line_magic,\n                                cell_magic, line_cell_magic)\nfrom IPython.core import magic_arguments\nfrom IPython.core import display \nfrom IPython.utils.py3compat import unicode_type\nfrom IPython.utils.path import unquote_filename\nimport os\nimport io\n\n# The class MUST call this class decorator at creation time\n@magics_class\nclass MyMagics(Magics):\n\n    def _repr_javascript_(self): \n        return ('', self.metadata)\n    \n    \n    @magic_arguments.magic_arguments()\n    @magic_arguments.argument(\n        '-a', '--append', action='store_true', default=False,\n        help='Append contents of the cell to an existing file. '\n             'The file will be created if it does not exist.'\n    )\n    @magic_arguments.argument(\n        'filename', type=unicode_type,\n        help='file to write'\n    )\n    \n    \n    @cell_magic\n    def writefile2(self, line, cell):\n        \"\"\"Write the contents of the cell to a file.\n        \"\"\"\n        args = magic_arguments.parse_argstring(self.writefile2, line)\n        filename = os.path.expanduser(unquote_filename(args.filename))\n        \n        if os.path.exists(filename):\n            print(\"Overwriting %s\" % filename)\n        else:\n            print(\"Writing %s\" % filename)\n        \n        mode = 'a' if args.append else 'w'\n        with io.open(filename, mode, encoding='utf-8') as f:\n            f.write(cell)\n    @cell_magic\n    def cmagic(self, line, cell):\n        \"my cell magic\"\n        ob = self._repr_javascript_()\n        return line, cell\n\n#display(myobj, metadata={'key' : 'value'})\n\n\n# In order to actually use these magics, you must register them with a\n# running IPython.  This code must be placed in a file that is loaded once\n# IPython is up and running:\nip = get_ipython()\n# You can register the class itself without instantiating it.  IPython will\n# call the default constructor on it.\nip.register_magics(MyMagics)",
     "prompt_number": 13,
     "outputs": [],
     "language": "python",
     "trusted": true,
     "collapsed": false
    },
    {
     "metadata": {},
     "cell_type": "code",
     "input": "%%writefile2 file2.txt \nline cell cell3",
     "prompt_number": 14,
     "outputs": [
      {
       "output_type": "stream",
       "text": "Writing file2.txt\n",
       "stream": "stdout"
      }
     ],
     "language": "python",
     "trusted": true,
     "collapsed": false
    },
    {
     "metadata": {},
     "cell_type": "code",
     "input": "",
     "outputs": [],
     "language": "python",
     "trusted": true,
     "collapsed": false
    }
   ],
   "metadata": {}
  }
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