Importing Notebooks.ipynb
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r11699 | { | |
"metadata": { | |||
"gist_id": "6011986", | |||
"name": "" | |||
}, | |||
"nbformat": 3, | |||
"nbformat_minor": 0, | |||
"worksheets": [ | |||
{ | |||
"cells": [ | |||
{ | |||
"cell_type": "heading", | |||
"level": 1, | |||
"metadata": {}, | |||
"source": [ | |||
"Importing IPython Notebooks as Modules" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"It is a common problem that people want to import code from IPython Notebooks.\n", | |||
"This is made difficult by the fact that Notebooks are not plain Python files,\n", | |||
"and thus cannot be imported by the regular Python machinery.\n", | |||
"\n", | |||
"Fortunately, Python provides some fairly sophisticated [hooks](http://www.python.org/dev/peps/pep-0302/) into the import machinery,\n", | |||
"so we can actually make IPython notebooks importable without much difficulty,\n", | |||
MinRK
|
r11722 | "and only using public APIs." | |
MinRK
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r11699 | ] | |
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"import io, os, sys, types" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 1 | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"from IPython.nbformat import current\n", | |||
"from IPython.core.interactiveshell import InteractiveShell" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 2 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Import hooks typically take the form of two objects:\n", | |||
"\n", | |||
"1. a Module **Loader**, which takes a module name (e.g. `'IPython.display'`), and returns a Module\n", | |||
"2. a Module **Finder**, which figures out whether a module might exist, and tells Python what **Loader** to use" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"def find_notebook(fullname, path=None):\n", | |||
" \"\"\"find a notebook, given its fully qualified name and an optional path\n", | |||
" \n", | |||
" This turns \"foo.bar\" into \"foo/bar.ipynb\"\n", | |||
" and tries turning \"Foo_Bar\" into \"Foo Bar\" if Foo_Bar\n", | |||
" does not exist.\n", | |||
" \"\"\"\n", | |||
" name = fullname.rsplit('.', 1)[-1]\n", | |||
" if not path:\n", | |||
" path = ['']\n", | |||
" for d in path:\n", | |||
" nb_path = os.path.join(d, name + \".ipynb\")\n", | |||
" if os.path.isfile(nb_path):\n", | |||
" return nb_path\n", | |||
" # let import Notebook_Name find \"Notebook Name.ipynb\"\n", | |||
" nb_path = nb_path.replace(\"_\", \" \")\n", | |||
" if os.path.isfile(nb_path):\n", | |||
" return nb_path\n", | |||
" " | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 3 | |||
}, | |||
{ | |||
"cell_type": "heading", | |||
"level": 2, | |||
"metadata": {}, | |||
"source": [ | |||
"Notebook Loader" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Here we have our Notebook Loader.\n", | |||
"It's actually quite simple - once we figure out the filename of the module,\n", | |||
"all it does is:\n", | |||
"\n", | |||
"1. load the notebook document into memory\n", | |||
"2. create an empty Module\n", | |||
"3. execute every cell in the Module namespace\n", | |||
"\n", | |||
"Since IPython cells can have extended syntax,\n", | |||
"the IPython transform is applied to turn each of these cells into their pure-Python counterparts before executing them.\n", | |||
"If all of your notebook cells are pure-Python,\n", | |||
"this step is unnecessary." | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"class NotebookLoader(object):\n", | |||
" \"\"\"Module Loader for IPython Notebooks\"\"\"\n", | |||
" def __init__(self, path=None):\n", | |||
" self.shell = InteractiveShell.instance()\n", | |||
" self.path = path\n", | |||
" \n", | |||
" def load_module(self, fullname):\n", | |||
" \"\"\"import a notebook as a module\"\"\"\n", | |||
" path = find_notebook(fullname, self.path)\n", | |||
" \n", | |||
" print (\"importing IPython notebook from %s\" % path)\n", | |||
" \n", | |||
" # load the notebook object\n", | |||
" with io.open(path, 'r', encoding='utf-8') as f:\n", | |||
" nb = current.read(f, 'json')\n", | |||
" \n", | |||
" \n", | |||
" # create the module and add it to sys.modules\n", | |||
" # if name in sys.modules:\n", | |||
" # return sys.modules[name]\n", | |||
" mod = types.ModuleType(fullname)\n", | |||
" mod.__file__ = path\n", | |||
" mod.__loader__ = self\n", | |||
" sys.modules[fullname] = mod\n", | |||
" \n", | |||
" # extra work to ensure that magics that would affect the user_ns\n", | |||
" # actually affect the notebook module's ns\n", | |||
" save_user_ns = self.shell.user_ns\n", | |||
" self.shell.user_ns = mod.__dict__\n", | |||
" \n", | |||
" try:\n", | |||
" for cell in nb.worksheets[0].cells:\n", | |||
" if cell.cell_type == 'code' and cell.language == 'python':\n", | |||
" # transform the input to executable Python\n", | |||
" code = self.shell.input_transformer_manager.transform_cell(cell.input)\n", | |||
" # run the code in themodule\n", | |||
" exec code in mod.__dict__\n", | |||
" finally:\n", | |||
" self.shell.user_ns = save_user_ns\n", | |||
" return mod\n" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 4 | |||
}, | |||
{ | |||
"cell_type": "heading", | |||
"level": 2, | |||
"metadata": {}, | |||
"source": [ | |||
"The Module Finder" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"The finder is a simple object that tells you whether a name can be imported,\n", | |||
"and returns the appropriate loader.\n", | |||
"All this one does is check, when you do:\n", | |||
"\n", | |||
"```python\n", | |||
"import mynotebook\n", | |||
"```\n", | |||
"\n", | |||
"it checks whether `mynotebook.ipynb` exists.\n", | |||
"If a notebook is found, then it returns a NotebookLoader.\n", | |||
"\n", | |||
"Any extra logic is just for resolving paths within packages." | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"class NotebookFinder(object):\n", | |||
" \"\"\"Module finder that locates IPython Notebooks\"\"\"\n", | |||
" def __init__(self):\n", | |||
" self.loaders = {}\n", | |||
" \n", | |||
" def find_module(self, fullname, path=None):\n", | |||
" nb_path = find_notebook(fullname, path)\n", | |||
" if not nb_path:\n", | |||
" return\n", | |||
" \n", | |||
" key = path\n", | |||
" if path:\n", | |||
" # lists aren't hashable\n", | |||
" key = os.path.sep.join(path)\n", | |||
" \n", | |||
" if key not in self.loaders:\n", | |||
" self.loaders[key] = NotebookLoader(path)\n", | |||
" return self.loaders[key]\n" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 5 | |||
}, | |||
{ | |||
"cell_type": "heading", | |||
"level": 2, | |||
"metadata": {}, | |||
"source": [ | |||
"Register the hook" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Now we register the `NotebookFinder` with `sys.meta_path`" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"sys.meta_path.append(NotebookFinder())" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 6 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"After this point, my notebooks should be importable.\n", | |||
"\n", | |||
"Let's look at what we have in the CWD:" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"ls nbimp" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"__init__.py __init__.pyc bs.ipynb mynotebook.ipynb \u001b[34mnbs\u001b[m\u001b[m/\r\n" | |||
] | |||
} | |||
], | |||
"prompt_number": 7 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"So I should be able to `import nbimp.mynotebook`.\n" | |||
] | |||
}, | |||
{ | |||
"cell_type": "heading", | |||
"level": 3, | |||
"metadata": {}, | |||
"source": [ | |||
"Aside: displaying notebooks" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Here is some simple code to display the contents of a notebook\n", | |||
"with syntax highlighting, etc." | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"from pygments import highlight\n", | |||
"from pygments.lexers import PythonLexer\n", | |||
"from pygments.formatters import HtmlFormatter\n", | |||
"\n", | |||
"from IPython.display import display, HTML\n", | |||
"\n", | |||
"formatter = HtmlFormatter()\n", | |||
"lexer = PythonLexer()\n", | |||
"\n", | |||
"# publish the CSS for pygments highlighting\n", | |||
"display(HTML(\"\"\"\n", | |||
"<style type='text/css'>\n", | |||
"%s\n", | |||
"</style>\n", | |||
"\"\"\" % formatter.get_style_defs()\n", | |||
"))" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"html": [ | |||
"\n", | |||
"<style type='text/css'>\n", | |||
".hll { background-color: #ffffcc }\n", | |||
".c { color: #408080; font-style: italic } /* Comment */\n", | |||
".err { border: 1px solid #FF0000 } /* Error */\n", | |||
".k { color: #008000; font-weight: bold } /* Keyword */\n", | |||
".o { color: #666666 } /* Operator */\n", | |||
".cm { color: #408080; font-style: italic } /* Comment.Multiline */\n", | |||
".cp { color: #BC7A00 } /* Comment.Preproc */\n", | |||
".c1 { color: #408080; font-style: italic } /* Comment.Single */\n", | |||
".cs { color: #408080; font-style: italic } /* Comment.Special */\n", | |||
".gd { color: #A00000 } /* Generic.Deleted */\n", | |||
".ge { font-style: italic } /* Generic.Emph */\n", | |||
".gr { color: #FF0000 } /* Generic.Error */\n", | |||
".gh { color: #000080; font-weight: bold } /* Generic.Heading */\n", | |||
".gi { color: #00A000 } /* Generic.Inserted */\n", | |||
".go { color: #888888 } /* Generic.Output */\n", | |||
".gp { color: #000080; font-weight: bold } /* Generic.Prompt */\n", | |||
".gs { font-weight: bold } /* Generic.Strong */\n", | |||
".gu { color: #800080; font-weight: bold } /* Generic.Subheading */\n", | |||
".gt { color: #0044DD } /* Generic.Traceback */\n", | |||
".kc { color: #008000; font-weight: bold } /* Keyword.Constant */\n", | |||
".kd { color: #008000; font-weight: bold } /* Keyword.Declaration */\n", | |||
".kn { color: #008000; font-weight: bold } /* Keyword.Namespace */\n", | |||
".kp { color: #008000 } /* Keyword.Pseudo */\n", | |||
".kr { color: #008000; font-weight: bold } /* Keyword.Reserved */\n", | |||
".kt { color: #B00040 } /* Keyword.Type */\n", | |||
".m { color: #666666 } /* Literal.Number */\n", | |||
".s { color: #BA2121 } /* Literal.String */\n", | |||
".na { color: #7D9029 } /* Name.Attribute */\n", | |||
".nb { color: #008000 } /* Name.Builtin */\n", | |||
".nc { color: #0000FF; font-weight: bold } /* Name.Class */\n", | |||
".no { color: #880000 } /* Name.Constant */\n", | |||
".nd { color: #AA22FF } /* Name.Decorator */\n", | |||
".ni { color: #999999; font-weight: bold } /* Name.Entity */\n", | |||
".ne { color: #D2413A; font-weight: bold } /* Name.Exception */\n", | |||
".nf { color: #0000FF } /* Name.Function */\n", | |||
".nl { color: #A0A000 } /* Name.Label */\n", | |||
".nn { color: #0000FF; font-weight: bold } /* Name.Namespace */\n", | |||
".nt { color: #008000; font-weight: bold } /* Name.Tag */\n", | |||
".nv { color: #19177C } /* Name.Variable */\n", | |||
".ow { color: #AA22FF; font-weight: bold } /* Operator.Word */\n", | |||
".w { color: #bbbbbb } /* Text.Whitespace */\n", | |||
".mf { color: #666666 } /* Literal.Number.Float */\n", | |||
".mh { color: #666666 } /* Literal.Number.Hex */\n", | |||
".mi { color: #666666 } /* Literal.Number.Integer */\n", | |||
".mo { color: #666666 } /* Literal.Number.Oct */\n", | |||
".sb { color: #BA2121 } /* Literal.String.Backtick */\n", | |||
".sc { color: #BA2121 } /* Literal.String.Char */\n", | |||
".sd { color: #BA2121; font-style: italic } /* Literal.String.Doc */\n", | |||
".s2 { color: #BA2121 } /* Literal.String.Double */\n", | |||
".se { color: #BB6622; font-weight: bold } /* Literal.String.Escape */\n", | |||
".sh { color: #BA2121 } /* Literal.String.Heredoc */\n", | |||
".si { color: #BB6688; font-weight: bold } /* Literal.String.Interpol */\n", | |||
".sx { color: #008000 } /* Literal.String.Other */\n", | |||
".sr { color: #BB6688 } /* Literal.String.Regex */\n", | |||
".s1 { color: #BA2121 } /* Literal.String.Single */\n", | |||
".ss { color: #19177C } /* Literal.String.Symbol */\n", | |||
".bp { color: #008000 } /* Name.Builtin.Pseudo */\n", | |||
".vc { color: #19177C } /* Name.Variable.Class */\n", | |||
".vg { color: #19177C } /* Name.Variable.Global */\n", | |||
".vi { color: #19177C } /* Name.Variable.Instance */\n", | |||
".il { color: #666666 } /* Literal.Number.Integer.Long */\n", | |||
"</style>\n" | |||
], | |||
"metadata": {}, | |||
"output_type": "display_data", | |||
"text": [ | |||
"<IPython.core.display.HTML at 0x10a006890>" | |||
] | |||
} | |||
], | |||
"prompt_number": 8 | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"def show_notebook(fname):\n", | |||
" \"\"\"display a short summary of the cells of a notebook\"\"\"\n", | |||
" with io.open(fname, 'r', encoding='utf-8') as f:\n", | |||
" nb = current.read(f, 'json')\n", | |||
" html = []\n", | |||
" for cell in nb.worksheets[0].cells:\n", | |||
" html.append(\"<h4>%s cell</h4>\" % cell.cell_type)\n", | |||
" if cell.cell_type == 'code':\n", | |||
" html.append(highlight(cell.input, lexer, formatter))\n", | |||
" else:\n", | |||
" html.append(\"<pre>%s</pre>\" % cell.source)\n", | |||
" display(HTML('\\n'.join(html)))\n", | |||
"\n", | |||
"show_notebook(os.path.join(\"nbimp\", \"mynotebook.ipynb\"))" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"html": [ | |||
"<h4>heading cell</h4>\n", | |||
"<pre>My Notebook</pre>\n", | |||
"<h4>code cell</h4>\n", | |||
"<div class=\"highlight\"><pre><span class=\"k\">def</span> <span class=\"nf\">foo</span><span class=\"p\">():</span>\n", | |||
" <span class=\"k\">return</span> <span class=\"s\">"foo"</span>\n", | |||
"</pre></div>\n", | |||
"\n", | |||
"<h4>code cell</h4>\n", | |||
"<div class=\"highlight\"><pre><span class=\"k\">def</span> <span class=\"nf\">has_ip_syntax</span><span class=\"p\">():</span>\n", | |||
" <span class=\"n\">listing</span> <span class=\"o\">=</span> <span class=\"err\">!</span><span class=\"n\">ls</span>\n", | |||
" <span class=\"k\">return</span> <span class=\"n\">listing</span>\n", | |||
"</pre></div>\n", | |||
"\n", | |||
"<h4>code cell</h4>\n", | |||
"<div class=\"highlight\"><pre><span class=\"k\">def</span> <span class=\"nf\">whatsmyname</span><span class=\"p\">():</span>\n", | |||
" <span class=\"k\">return</span> <span class=\"n\">__name__</span>\n", | |||
"</pre></div>\n" | |||
], | |||
"metadata": {}, | |||
"output_type": "display_data", | |||
"text": [ | |||
"<IPython.core.display.HTML at 0x10ad7af10>" | |||
] | |||
} | |||
], | |||
"prompt_number": 9 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"So my notebook has a heading cell and some code cells,\n", | |||
"one of which contains some IPython syntax.\n", | |||
"\n", | |||
"Let's see what happens when we import it" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"from nbimp import mynotebook" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"importing IPython notebook from nbimp/mynotebook.ipynb\n" | |||
] | |||
} | |||
], | |||
"prompt_number": 10 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Hooray, it imported! Does it work?" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"mynotebook.foo()" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"metadata": {}, | |||
"output_type": "pyout", | |||
"prompt_number": 11, | |||
"text": [ | |||
"'foo'" | |||
] | |||
} | |||
], | |||
"prompt_number": 11 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Hooray again!\n", | |||
"\n", | |||
"Even the function that contains IPython syntax works:" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"mynotebook.has_ip_syntax()" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"metadata": {}, | |||
"output_type": "pyout", | |||
"prompt_number": 12, | |||
"text": [ | |||
"['Animations Using clear_output.ipynb',\n", | |||
" 'Cell Magics.ipynb',\n", | |||
" 'Custom Display Logic.ipynb',\n", | |||
" 'Cython Magics.ipynb',\n", | |||
" 'Data Publication API.ipynb',\n", | |||
" 'Frontend-Kernel Model.ipynb',\n", | |||
" 'Importing Notebooks.ipynb',\n", | |||
" 'Octave Magic.ipynb',\n", | |||
" 'Part 1 - Running Code.ipynb',\n", | |||
" 'Part 2 - Basic Output.ipynb',\n", | |||
" 'Part 3 - Plotting with Matplotlib.ipynb',\n", | |||
" 'Part 4 - Markdown Cells.ipynb',\n", | |||
" 'Part 5 - Rich Display System.ipynb',\n", | |||
" 'Progress Bars.ipynb',\n", | |||
" 'R Magics.ipynb',\n", | |||
" 'README.md',\n", | |||
" 'Script Magics.ipynb',\n", | |||
" 'SymPy Examples.ipynb',\n", | |||
" 'Trapezoid Rule.ipynb',\n", | |||
" 'Typesetting Math Using MathJax.ipynb',\n", | |||
" 'animation.m4v',\n", | |||
" 'foo.pyx',\n", | |||
" 'lnum.py',\n", | |||
" 'logo',\n", | |||
" 'nbimp',\n", | |||
" 'python-logo.svg',\n", | |||
" 'test.html']" | |||
] | |||
} | |||
], | |||
"prompt_number": 12 | |||
}, | |||
{ | |||
"cell_type": "heading", | |||
"level": 2, | |||
"metadata": {}, | |||
"source": [ | |||
"Notebooks in packages" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"We also have a notebook inside the `nb` package,\n", | |||
"so let's make sure that works as well." | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"ls nbimp/nbs" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"__init__.py __init__.pyc other.ipynb\r\n" | |||
] | |||
} | |||
], | |||
"prompt_number": 13 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"Note that the `__init__.py` is necessary for `nb` to be considered a package,\n", | |||
"just like usual." | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"show_notebook(os.path.join(\"nbimp\", \"nbs\", \"other.ipynb\"))" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"html": [ | |||
"<h4>markdown cell</h4>\n", | |||
"<pre>This notebook just defines `bar`</pre>\n", | |||
"<h4>code cell</h4>\n", | |||
"<div class=\"highlight\"><pre><span class=\"k\">def</span> <span class=\"nf\">bar</span><span class=\"p\">(</span><span class=\"n\">x</span><span class=\"p\">):</span>\n", | |||
" <span class=\"k\">return</span> <span class=\"s\">"bar"</span> <span class=\"o\">*</span> <span class=\"n\">x</span>\n", | |||
"</pre></div>\n" | |||
], | |||
"metadata": {}, | |||
"output_type": "display_data", | |||
"text": [ | |||
"<IPython.core.display.HTML at 0x10ad56090>" | |||
] | |||
} | |||
], | |||
"prompt_number": 14 | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"from nbimp.nbs import other\n", | |||
"other.bar(5)" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"importing IPython notebook from nbimp/nbs/other.ipynb\n" | |||
] | |||
}, | |||
{ | |||
"metadata": {}, | |||
"output_type": "pyout", | |||
"prompt_number": 15, | |||
"text": [ | |||
"'barbarbarbarbar'" | |||
] | |||
} | |||
], | |||
"prompt_number": 15 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"So now we have importable notebooks, from both the local directory and inside packages.\n", | |||
"\n", | |||
"I can even put a notebook inside IPython, to further demonstrate that this is working properly:" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"import shutil\n", | |||
"from IPython.utils.path import get_ipython_package_dir\n", | |||
"\n", | |||
"utils = os.path.join(get_ipython_package_dir(), 'utils')\n", | |||
"shutil.copy(os.path.join(\"nbimp\", \"mynotebook.ipynb\"),\n", | |||
" os.path.join(utils, \"inside_ipython.ipynb\")\n", | |||
")" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [], | |||
"prompt_number": 16 | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"and import the notebook from `IPython.utils`" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"from IPython.utils import inside_ipython\n", | |||
"inside_ipython.whatsmyname()" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"importing IPython notebook from /Users/minrk/dev/ip/mine/IPython/utils/inside_ipython.ipynb\n" | |||
] | |||
}, | |||
{ | |||
"metadata": {}, | |||
"output_type": "pyout", | |||
"prompt_number": 17, | |||
"text": [ | |||
"'IPython.utils.inside_ipython'" | |||
] | |||
} | |||
], | |||
"prompt_number": 17 | |||
}, | |||
{ | |||
"cell_type": "heading", | |||
"level": 2, | |||
"metadata": {}, | |||
"source": [ | |||
"Even Cython magics" | |||
] | |||
}, | |||
{ | |||
"cell_type": "markdown", | |||
"metadata": {}, | |||
"source": [ | |||
"With a bit of extra magic for handling the IPython interactive namespace during load,\n", | |||
"even magics like `%%cython` can be used:" | |||
] | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"import Cython_Magics" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"importing IPython notebook from Cython Magics.ipynb\n", | |||
"1000000 loops, best of 3: 439 ns per loop" | |||
] | |||
}, | |||
{ | |||
"output_type": "stream", | |||
"stream": "stdout", | |||
"text": [ | |||
"\n", | |||
"sin(1)= 0.841470984808\n" | |||
] | |||
} | |||
], | |||
"prompt_number": 18 | |||
}, | |||
{ | |||
"cell_type": "code", | |||
"collapsed": false, | |||
"input": [ | |||
"Cython_Magics.black_scholes(100.0, 100.0, 1.0, 0.3, 0.03, 0.0, -1)" | |||
], | |||
"language": "python", | |||
"metadata": {}, | |||
"outputs": [ | |||
{ | |||
"metadata": {}, | |||
"output_type": "pyout", | |||
"prompt_number": 19, | |||
"text": [ | |||
"10.327861752731728" | |||
] | |||
} | |||
], | |||
"prompt_number": 19 | |||
} | |||
], | |||
"metadata": {} | |||
} | |||
] | |||
} |