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"""
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Module that allows custom Sphinx parameters to be set on the notebook and
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on the 'other' object passed into Jinja.
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"""
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from __future__ import absolute_import
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# Used to find Sphinx package location
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import sphinx
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import os.path
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# Used to determine python version
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import sys
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# Used to set the default date to today's date
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from datetime import date
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# Configurable traitlets
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from IPython.utils.traitlets import Unicode, Bool
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# Needed for Pygments latex definitions.
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from pygments.formatters import LatexFormatter
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# Needed to override transformer
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from .transformers import (ActivatableTransformer)
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class SphinxTransformer(ActivatableTransformer):
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"""
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Sphinx utility transformer.
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This transformer is used to set variables needed by the latex to build
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Sphinx stylized templates.
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"""
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interactive = Bool(True, config=True, help="""
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Allows you to define whether or not the Sphinx exporter will prompt
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you for input during the conversion process. If this is set to false,
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the author, version, release, date, and chapterstyle traits should
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be set.
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""")
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author = Unicode("Unknown Author", config=True, help="Author name")
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version = Unicode("", config=True, help="""Version number
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You can leave this blank if you do not want to render a version number.
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Example: "1.0.0"
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""")
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release = Unicode("", config=True, help="""Release name
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You can leave this blank if you do not want to render a release name.
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Example: "Rough Draft"
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""")
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publishdate = Unicode("", config=True, help="""Publish date
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This is the date to render on the document as the publish date.
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Leave this blank to default to todays date.
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Example: "June 12, 1990"
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""")
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chapterstyle = Unicode("Bjarne", config=True, help="""Sphinx chapter style
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This is the style to use for the chapter headers in the document.
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You may choose one of the following:
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"Bjarne" (default)
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"Lenny"
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"Glenn"
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"Conny"
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"Rejne"
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"Sonny" (used for international documents)
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""")
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def __call__(self, nb, other):
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"""
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Entry
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Since we are not interested in any additional manipulation on a cell
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by cell basis, we do not call the base implementation.
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"""
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if self.enabled:
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return self.transform(nb, other)
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else:
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return nb,other
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def transform(self, nb, other):
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"""
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Sphinx transformation to apply on each notebook.
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"""
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# TODO: Add versatile method of additional notebook metadata. Include
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# handling of multiple files. For now use a temporay namespace,
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# '_draft' to signify that this needs to change.
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nb.metadata._draft = {}
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if self.interactive:
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# Prompt the user for additional meta data that doesn't exist currently
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# but would be usefull for Sphinx.
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nb.metadata._draft["author"] = self._prompt_author()
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nb.metadata._draft["version"] = self._prompt_version()
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nb.metadata._draft["release"] = self._prompt_release()
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nb.metadata._draft["date"] = self._prompt_date()
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# Prompt the user for the document style.
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other["sphinx_chapterstyle"] = self._prompt_chapter_title_style()
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else:
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# Try to use the traitlets.
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nb.metadata._draft["author"] = self.author
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nb.metadata._draft["version"] = self.version
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nb.metadata._draft["release"] = self.release
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if len(self.publishdate.strip()) == 0:
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nb.metadata._draft["date"] = date.today().strftime("%B %-d, %Y")
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else:
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nb.metadata._draft["date"] = self.publishdate
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other["sphinx_chapterstyle"] = self.chapterstyle
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# Find and pass in the path to the Sphinx dependencies.
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other["sphinx_texinputs"] = os.path.abspath(sphinx.__file__ + "/../texinputs")
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# Generate Pygments definitions for Latex
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other["pygment_definitions"] = self._generate_pygments_latex_def()
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# End
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return nb, other
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def _generate_pygments_latex_def(self):
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return LatexFormatter().get_style_defs()
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def _prompt_author(self):
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return self._input("Author name: ")
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def _prompt_version(self):
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return self._input("Version (ie ""1.0.0""): ")
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def _prompt_release(self):
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return self._input("Release Name (ie ""Rough draft""): ")
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def _prompt_date(self):
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default_date = date.today().strftime("%B %-d, %Y")
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user_date = self._input("Date (deafults to \"" + default_date + "\"): ")
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if len(user_date.strip()) == 0:
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user_date = default_date
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return user_date
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def _prompt_chapter_title_style(self):
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# Dictionary of available Sphinx styles
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styles = {1: "Bjarne",
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2: "Lenny",
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3: "Glenn",
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4: "Conny",
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5: "Rejne",
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6: "Sonny"}
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default_style = 1
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# Build the menu that will be displayed to the user with
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# all of the options available.
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|
style_prompt = ""
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for key, value in styles.iteritems():
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style_prompt += "%d %s" % (key, value)
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if key == default_style:
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style_prompt += " (default)"
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elif value == "Sonny":
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style_prompt += " (for international documents)"
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style_prompt += "\n"
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|
|
# Continue to ask the user for a style until an appropriate
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|
# one is specified.
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|
response = -1
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while (0 > response or response > 6):
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try:
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text_response = self._input(style_prompt)
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# Use default option if no input.
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|
if len(text_response.strip()) == 0:
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|
response = 1
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|
else:
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|
response = int(text_response)
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|
except:
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|
print("Error: Value must be a number between 1 and 6, leave blank for default\n")
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|
return styles[response]
|
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|
|
|
|
def _input(self, prompt_text):
|
|
|
"""
|
|
|
Prompt the user for input.
|
|
|
|
|
|
The input command will change depending on the version of python
|
|
|
installed. To maintain support for 2 and earlier, we must use
|
|
|
raw_input in that case. Else use input.
|
|
|
"""
|
|
|
|
|
|
# Try to get the python version. This command is only available in
|
|
|
# python 2 and later, so it's important that we catch the exception
|
|
|
# if the command isn't found.
|
|
|
try:
|
|
|
majorversion = sys.version_info[0]
|
|
|
except:
|
|
|
majorversion = 1
|
|
|
|
|
|
# Use the correct function to prompt the user for input depending on
|
|
|
# what python version the code is running in.
|
|
|
if majorversion >= 3:
|
|
|
return input(prompt_text)
|
|
|
else:
|
|
|
return raw_input(prompt_text)
|
|
|
|
