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1 | """Base classes for the notebook conversion pipeline. | |||
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2 | ||||
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3 | This module defines Converter, from which all objects designed to implement | |||
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4 | a conversion of IPython notebooks to some other format should inherit. | |||
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5 | """ | |||
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6 | #----------------------------------------------------------------------------- | |||
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7 | # Copyright (c) 2012, the IPython Development Team. | |||
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8 | # | |||
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9 | # Distributed under the terms of the Modified BSD License. | |||
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10 | # | |||
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11 | # The full license is in the file COPYING.txt, distributed with this software. | |||
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12 | #----------------------------------------------------------------------------- | |||
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13 | ||||
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14 | #----------------------------------------------------------------------------- | |||
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15 | # Imports | |||
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16 | #----------------------------------------------------------------------------- | |||
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17 | ||||
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18 | from __future__ import print_function, absolute_import | |||
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19 | ||||
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20 | # Stdlib imports | |||
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21 | import jinja2 | |||
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22 | import codecs | |||
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23 | import io | |||
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24 | import logging | |||
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25 | import os | |||
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26 | import pprint | |||
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27 | import re | |||
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28 | from types import FunctionType | |||
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29 | ||||
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30 | from jinja2 import Environment, PackageLoader, FileSystemLoader | |||
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31 | env = Environment(loader=FileSystemLoader('./templates/')) | |||
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32 | ||||
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33 | # IPython imports | |||
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34 | from IPython.nbformat import current as nbformat | |||
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35 | from IPython.config.configurable import Configurable, SingletonConfigurable | |||
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36 | from IPython.utils.traitlets import (List, Unicode, Type, Bool, Dict, CaselessStrEnum, | |||
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37 | Any) | |||
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38 | ||||
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39 | # Our own imports | |||
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40 | from IPython.utils.text import indent | |||
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41 | from .utils import remove_ansi | |||
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42 | #----------------------------------------------------------------------------- | |||
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43 | # Class declarations | |||
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44 | #----------------------------------------------------------------------------- | |||
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45 | def rm_fake(strng): | |||
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46 | return strng.replace('/files/', '') | |||
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47 | ||||
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48 | class ConversionException(Exception): | |||
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49 | pass | |||
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50 | ||||
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51 | ||||
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52 | def python_comment(string): | |||
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53 | return '# '+'\n# '.join(string.split('\n')) | |||
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54 | ||||
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55 | env.filters['pycomment'] = python_comment | |||
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56 | env.filters['indent'] = indent | |||
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57 | env.filters['rm_fake'] = rm_fake | |||
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58 | env.filters['rm_ansi'] = remove_ansi | |||
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59 | ||||
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60 | class ConverterTemplate(Configurable): | |||
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61 | ||||
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62 | display_data_priority = ['pdf', 'svg', 'png', 'jpg', 'text'] | |||
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63 | #------------------------------------------------------------------------- | |||
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64 | # Instance-level attributes that are set in the constructor for this | |||
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65 | # class. | |||
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66 | #------------------------------------------------------------------------- | |||
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67 | infile = Any() | |||
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68 | ||||
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69 | ||||
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70 | infile_dir = Unicode() | |||
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71 | ||||
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72 | def __init__(self, config=None, **kw): | |||
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73 | self.template = env.get_template('python.tpl') | |||
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74 | super(ConverterTemplate,self).__init__(config=config) | |||
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75 | ||||
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76 | def _get_prompt_number(self, cell): | |||
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77 | return cell.prompt_number if hasattr(cell, 'prompt_number') \ | |||
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78 | else self.blank_symbol | |||
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79 | ||||
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80 | ||||
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81 | def process(self): | |||
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82 | converted_cells = [] | |||
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83 | for worksheet in self.nb.worksheets: | |||
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84 | for cell in worksheet.cells: | |||
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85 | cell.type = cell.cell_type | |||
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86 | converted_cells.append(cell) | |||
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87 | continue | |||
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88 | if cell.cell_type in ('code'): | |||
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89 | converted_cells.append({'type':'code','source':cell.input}) | |||
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90 | else : | |||
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91 | converted_cells.append({'type':cell.cell_type,'source': python_comment(cell.source)}) | |||
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92 | ||||
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93 | return converted_cells | |||
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94 | ||||
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95 | def convert(self, cell_separator='\n'): | |||
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96 | return self.template.render(cells=self.process()) | |||
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97 | ||||
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98 | ||||
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99 | def read(self, filename): | |||
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100 | "read and parse notebook into NotebookNode called self.nb" | |||
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101 | with open(filename) as f: | |||
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102 | self.nb = nbformat.read(f, 'json') | |||
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103 |
@@ -0,0 +1,7 b'' | |||||
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1 | # coding: utf-8 | |||
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2 | from converters.template import * | |||
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3 | C = ConverterTemplate() | |||
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4 | C.read('tests/ipynbref/IntroNumPy.orig.ipynb') | |||
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5 | S = C.convert() | |||
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6 | with open('temp.txt','w') as f: | |||
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7 | f.write(S) |
@@ -0,0 +1,25 b'' | |||||
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1 | {%- block header -%} | |||
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2 | {%- endblock header -%} | |||
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3 | {%- block body -%} | |||
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4 | {%- for cell in cells -%} | |||
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5 | {%- if cell.type in ['code'] -%} | |||
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6 | {%- block codecell scoped-%} | |||
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7 | {%- endblock codecell-%} | |||
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8 | {%- elif cell.type in ['markdown'] -%} | |||
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9 | {%- block markdowncell scoped-%} | |||
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10 | {%- endblock markdowncell -%} | |||
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11 | {%- elif cell.type in ['heading'] -%} | |||
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12 | {%- block headingcell scoped-%} | |||
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13 | {%- endblock headingcell -%} | |||
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14 | {%- elif cell.type in ['raw'] -%} | |||
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15 | {%- block rawcell scoped-%} | |||
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16 | {%- endblock rawcell -%} | |||
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17 | {%- else -%} | |||
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18 | {%- block unknowncell scoped-%} | |||
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19 | {%- endblock unknowncell -%} | |||
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20 | {%- endif -%} | |||
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21 | {%- endfor -%} | |||
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22 | {%- endblock body -%} | |||
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23 | ||||
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24 | {%- block footer -%} | |||
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25 | {%- endblock footer -%} |
@@ -0,0 +1,37 b'' | |||||
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1 | {%- extends 'basic.tpl' -%} | |||
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2 | ||||
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3 | {% block codecell scoped %} | |||
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4 | # In[{{cell.prompt_number if cell.prompt_number else ' '}}]: | |||
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5 | {{ cell.input }} | |||
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6 | {% if cell.outputs %} | |||
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7 | # Out[{{cell.prompt_number}}]: | |||
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8 | {%- for output in cell.outputs -%} | |||
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9 | {% if output.output_type in ['pyout','stream']%} | |||
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10 | {{ output.text| indent | pycomment}} | |||
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11 | {% elif output.output_type in ['display_data'] %} | |||
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12 | {{"# fucking display_data"}} | |||
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13 | {% elif output.output_type in ['pyerr'] %} | |||
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14 | {% for line in output.traceback %} | |||
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15 | {{ line |indent| rm_ansi}} | |||
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16 | {%- endfor -%} | |||
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17 | {%- endif -%} | |||
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18 | {%- endfor -%} | |||
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19 | {%endif%} | |||
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20 | ||||
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21 | {% endblock codecell %} | |||
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22 | ||||
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23 | {% block markdowncell scoped %} | |||
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24 | {{ cell.source | pycomment | rm_fake}} | |||
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25 | {% endblock markdowncell %} | |||
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26 | ||||
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27 | {% block headingcell scoped %} | |||
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28 | {{ '#' * cell.level }}{{ cell.source | pycomment}} | |||
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29 | {% endblock headingcell %} | |||
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30 | ||||
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31 | {% block rawcell scoped %} | |||
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32 | {{ cell.source | pycomment }} | |||
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33 | {% endblock rawcell %} | |||
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34 | ||||
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35 | {% block unknowncell scoped %} | |||
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36 | unknown type {{cell.type}} | |||
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37 | {% endblock unknowncell %} |
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