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conf.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# This file was created by sphinx-quickstart on Sun Nov 6 17:05:42 2016
# and has been modified.
#
# Sherpa used to be tricky to build, but this is no longer the case.
# We can now build it on ReadTheDocs and import the built version,
# including the C modules.
# However, in the past, the docstrings for functions in compiled modules were
# added to the Python module rather than within the C API (as an example,
# look at sherpa.utils which provides docstrings for the code in
# sherpa.utils._utils).
#
# The documentation can be built with (assuming the requirements from
# https://sherpa.readthedocs.io/en/latest/install.html#building-the-documentation
# are available):
#
# cd docs
# make html
#
import datetime
import glob
from importlib import metadata
import os
import shutil
import sys
from sphinx_astropy.conf.v1 import intersphinx_mapping, default_role
import sphinx_rtd_theme
# Based on http://read-the-docs.readthedocs.io/en/latest/faq.html#i-get-import-errors-on-libraries-that-depend-on-c-modules
#
from unittest.mock import MagicMock as BaseMock
on_rtd = os.environ.get('READTHEDOCS', None) == 'True'
runtime_dir = os.path.split(os.getcwd())[1]
# I found this somewhere (probably the rtd link given above). I was
# hoping it would support building with Python 2.7 but it doesn't seem
# to. I have left it in for now, even though Python 2.7 is no longer
# supported, in case it is being used somewhere.
#
class Mock(BaseMock):
@classmethod
def __getattr__(cls, name):
# Hope that none of the attributes need a recursive Mock
return BaseMock()
class XSPECMock(Mock):
"""Need to override get_xsversion to return a "useful" string"""
def get_xsversion(self):
"Presumably XSPEC will never reach this"
return "999.999.999"
for mod_name in [
'sherpa.image.DS9',
]:
sys.modules[mod_name] = Mock()
# Specialized mocks
#
sys.modules['sherpa.astro.xspec._xspec'] = XSPECMock()
# If extensions (or modules to document with autodoc) are in another directory,
# add these directories to sys.path here. If the directory is relative to the
# documentation root, use os.path.abspath to make it absolute, like shown here.
# sys.path.insert(0, os.path.abspath('..'))
# IMPORTANT: the above commented section was generated by sphinx-quickstart, but
# is *NOT* appropriate for Sherpa. It is left
# commented out with this explanation to make it clear why this should not be
# done. If the sys.path entry above is added,
# it will import the *source* version of astropy instead of the
# version installed (if invoked as "make html" or directly with sphinx), or the
# version in the build directory.
# Thus, any C-extensions that are needed to build the documentation will *not*
# be accessible, and the documentation will not build correctly.
# See astropy/docs/conf.py for details where this explanation is taken from.
# -- check that Sherpa is installed ---------------------------------------
# Since this is a change from the previous way of building the docs
# it warrants a check and a useful error message.
try:
sherpa_release = metadata.version('sherpa')
except metadata.PackageNotFoundError:
print(
"Sherpa needs to be installed to build the documentation. "
"Please install it with 'pip install .' or see the documentation for more details."
)
sys.exit(1)
import sherpa
# For now include the '+...' part of the version string
# in the full version, but drop the ".dirty" suffix.
#
if on_rtd and sherpa_release.endswith('.dirty'):
sherpa_release = sherpa_release[:-6]
sherpa_version = sherpa_release[:sherpa_release.find('+')]
# -- General configuration ------------------------------------------------
# If your documentation needs a minimal Sphinx version, state it here.
#
# The use of app.add_js_file requires Sphinx 1.8.
#
needs_sphinx = '1.8'
# Add any Sphinx extension module names here, as strings. They can be
# extensions coming with Sphinx (named 'sphinx.ext.*') or your custom
# ones.
extensions = [
'sphinx.ext.autodoc',
'sphinx.ext.autosummary',
'sphinx.ext.inheritance_diagram',
'sphinx.ext.mathjax',
'sphinx.ext.viewcode',
'sphinx.ext.todo',
'matplotlib.sphinxext.plot_directive',
# Use napoleon over numpydoc for now since it stops a large number
# of warning messages (about missing links) that I don't have time
# to investigate.
'sphinx.ext.napoleon',
# 'numpydoc.numpydoc',
'sphinx.ext.intersphinx',
'sphinx_astropy.ext.intersphinx_toggle',
'sphinx_astropy.ext.edit_on_github',
# notebooks
'nbsphinx',
'sphinx_rtd_theme',
'pytest_doctestplus.sphinx.doctestplus',
]
# Imported from sphinx_astropy so we don't have to maintain the list
# of servers
# but adding to the astropy list.
intersphinx_mapping['bokeh'] = ('https://docs.bokeh.org/en/latest/', None)
# Settings for matplotlib sphinx extension
plot_html_show_source_link = False
# notebook support
# - for now never execute a notebook
#
nbsphinx_execute = 'never'
# Copy over the notebooks to the documentation area
# if they don't exist or are older. This assumes we
# are running in the top-level directory!
#
nbmapping = {}
infile = 'notebooks/nbmapping.dat'
if runtime_dir == 'docs':
infile = f"../{infile}"
try:
with open(infile, 'r') as fh:
for l in fh.readlines():
l = l.strip()
if l == '' or l.startswith('#'):
continue
toks = l.split('\t')
if len(toks) != 2:
sys.stderr.write(f"Invalid nbmapping line: {l}\n")
continue
nbmapping[toks[0]] = toks[1]
except OSError:
pass
def getmtime(infile):
try:
t = os.path.getmtime(infile)
except FileNotFoundError:
return None
return datetime.datetime.fromtimestamp(t)
if len(nbmapping) == 0:
sys.stderr.write("No notebook mapping found\n")
else:
path = 'notebooks/*ipynb'
if runtime_dir == 'docs':
path = f"../{path}"
nbfiles = glob.glob(path)
if len(nbfiles) == 0:
sys.stderr.write("No notebooks found!\n")
for nbfile in nbfiles:
head = os.path.basename(nbfile)
try:
outpath = nbmapping[head]
except KeyError:
sys.stderr.write(f"Dropping nbfile: {nbfile}\n")
continue
if runtime_dir == 'docs':
assert outpath.startswith('docs/')
outpath = outpath[5:]
t1 = getmtime(nbfile)
t2 = getmtime(outpath)
if t2 is None or t2 < t1:
shutil.copy2(nbfile, outpath)
# prolog/epilog based on
# https://nbsphinx.readthedocs.io/en/0.7.1/conf.py
#
# Note: we assume the notebooks are in the notebooks/
# top-level directory and are copied into the docs/
# directory at build time.
#
nbsphinx_prolog = r"""
{% set docname = 'notebooks/' + env.docname.split('/')[-1] %}
.. raw:: html
<div class="admonition note">
This page was generated from the Jupyter notebook
<a class="reference external" href="https://github.com/sherpa/sherpa/blob/{{ env.config.githash|e }}/{{ docname|e }}.ipynb">{{ docname|e }}</a>.
<script>
if (document.location.host) {
$(document.currentScript).replaceWith(
'<a class="reference external" ' +
'href="https://nbviewer.jupyter.org/url' +
(window.location.protocol == 'https:' ? 's/' : '/') +
window.location.host +
window.location.pathname.slice(0, -4) +
'ipynb">View in <em>nbviewer</em></a>.'
);
}
</script>
</div>
"""
# docstrings
#
napoleon_google_docstring = False
autosummary_generate = True
# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']
# The suffix(es) of source filenames.
# You can specify multiple suffix as a list of string:
#
source_suffix = '.rst'
# The encoding of source files.
#
# source_encoding = 'utf-8-sig'
# The main toctree document.
main_doc = 'index'
# General information about the project.
project = 'Sherpa'
author = 'Chandra X-ray Center, Smithsonian Astrophysical Observatory'
copyright = f"2019–{datetime.datetime.utcnow().year}, " + author
# The version info for the project you're documenting, acts as replacement for
# |version| and |release|, also used in various other places throughout the
# built documents.
#
# The short X.Y version.
version = sherpa_version
# The full version, including alpha/beta/rc tags.
release = sherpa_release
# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#
# This is also used if you do content translation via gettext catalogs.
# Usually you set "language" from the command line for these cases.
# Changed in Sphinx 5 to complain if set to None.
#
language = "en"
# There are two options for replacing |today|: either, you set today to some
# non-false value, then it is used:
#
# today = ''
#
# Else, today_fmt is used as the format for a strftime call.
#
# today_fmt = '%B %d, %Y'
# List of patterns, relative to source directory, that match files and
# directories to ignore when looking for source files.
# This patterns also effect to html_static_path and html_extra_path
exclude_patterns = ['_build', 'Thumbs.db', '.DS_Store']
# The reST default role (used for this markup: `text`) to use for all
# documents.
# Imported from sphinx_astropy
# default_role = 'obj'
# Setting from sphinx_astropy for numpydoc xref settings
numpydoc_xref_param_type = True
# If true, '()' will be appended to :func: etc. cross-reference text.
#
# add_function_parentheses = True
# If true, the current module name will be prepended to all description
# unit titles (such as .. function::).
#
# add_module_names = True
# If true, sectionauthor and moduleauthor directives will be shown in the
# output. They are ignored by default.
#
# show_authors = False
# The name of the Pygments (syntax highlighting) style to use.
pygments_style = 'sphinx'
# A list of ignored prefixes for module index sorting.
# modindex_common_prefix = []
# If true, keep warnings as "system message" paragraphs in the built documents.
# keep_warnings = False
# If true, `todo` and `todoList` produce output, else they produce nothing.
todo_include_todos = False
# Graphviz based on values from AstroPy - see
# https://github.com/astropy/sphinx-astropy/blob/main/sphinx_astropy/conf/v1.py
#
graphviz_output_format = "svg"
graphviz_dot_args = [
'-Nfontsize=10',
'-Nfontname=Helvetica Neue, Helvetica, Arial, sans-serif',
'-Efontsize=10',
'-Efontname=Helvetica Neue, Helvetica, Arial, sans-serif',
'-Gfontsize=10',
'-Gfontname=Helvetica Neue, Helvetica, Arial, sans-serif'
]
# Ensure sphinx_astropy.ext.edit_on_github knows where to send
# the edit links.
#
edit_on_github_project = 'sherpa/sherpa'
# edit_on_github_branch = '4.10.1'
edit_on_github_source_root = ''
edit_on_github_doc_root = 'docs'
# -- Options for HTML output ----------------------------------------------
# The theme to use for HTML and HTML Help pages. See the documentation for
# a list of builtin themes.
#
# html_theme = 'alabaster'
html_theme = 'sphinx_rtd_theme'
# html_theme_options = {}
html_theme_path = [sphinx_rtd_theme.get_html_theme_path()]
# The name for this set of Sphinx documents.
# "<project> v<release> documentation" by default.
#
# html_title = 'Sherpa v4.8.2'
# A shorter title for the navigation bar. Default is the same as html_title.
#
# html_short_title = None
# The name of an image file (relative to this directory) to place at the top
# of the sidebar.
#
# html_logo = None
# The name of an image file (relative to this directory) to use as a favicon of
# the docs. This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
#
# html_favicon = None
# Add any paths that contain custom static files (such as style sheets) here,
# relative to this directory. They are copied after the builtin static files,
# so a file named "default.css" will overwrite the builtin "default.css".
html_static_path = ['_static']
# Add any extra paths that contain custom files (such as robots.txt or
# .htaccess) here, relative to this directory. These files are copied
# directly to the root of the documentation.
#
# html_extra_path = []
# If not None, a 'Last updated on:' timestamp is inserted at every page
# bottom, using the given strftime format.
# The empty string is equivalent to '%b %d, %Y'.
#
# html_last_updated_fmt = None
# Follow AstroPy's convention for the date format.
#
html_last_updated_fmt = '%d %b %Y'
# If true, SmartyPants will be used to convert quotes and dashes to
# typographically correct entities.
#
# html_use_smartypants = True
# Custom sidebar templates, maps document names to template names.
#
# html_sidebars = {}
# Additional templates that should be rendered to pages, maps page names to
# template names.
#
# html_additional_pages = {}
# If false, no module index is generated.
#
# html_domain_indices = True
# If false, no index is generated.
#
# html_use_index = True
# If true, the index is split into individual pages for each letter.
#
# html_split_index = False
# If true, links to the reST sources are added to the pages.
#
# html_show_sourcelink = True
# If true, "Created using Sphinx" is shown in the HTML footer. Default is True.
#
# html_show_sphinx = True
# If true, "(C) Copyright ..." is shown in the HTML footer. Default is True.
#
# html_show_copyright = True
# If true, an OpenSearch description file will be output, and all pages will
# contain a <link> tag referring to it. The value of this option must be the
# base URL from which the finished HTML is served.
#
# html_use_opensearch = ''
# This is the file name suffix for HTML files (e.g. ".xhtml").
# html_file_suffix = None
# Language to be used for generating the HTML full-text search index.
# Sphinx supports the following languages:
# 'da', 'de', 'en', 'es', 'fi', 'fr', 'h', 'it', 'ja'
# 'nl', 'no', 'pt', 'ro', 'r', 'sv', 'tr', 'zh'
#
# html_search_language = 'en'
# A dictionary with options for the search language support, empty by default.
# 'ja' uses this config value.
# 'zh' user can custom change `jieba` dictionary path.
#
# html_search_options = {'type': 'default'}
# The name of a javascript file (relative to the configuration directory) that
# implements a search results scorer. If empty, the default will be used.
#
# html_search_scorer = 'scorer.js'
# Output file base name for HTML help builder.
htmlhelp_basename = 'Sherpadoc'
# -- Options for LaTeX output ---------------------------------------------
latex_elements = {
# The paper size ('letterpaper' or 'a4paper').
#
# 'papersize': 'letterpaper',
# The font size ('10pt', '11pt' or '12pt').
#
# 'pointsize': '10pt',
# Additional stuff for the LaTeX preamble.
#
# 'preamble': '',
# Latex figure (float) alignment
#
# 'figure_align': 'htbp',
}
# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title,
# author, documentclass [howto, manual, or own class]).
latex_documents = [
(main_doc, 'Sherpa.tex', 'Sherpa Documentation',
'Chandra X-ray Center', 'manual'),
]
# The name of an image file (relative to this directory) to place at the top of
# the title page.
#
# latex_logo = None
# For "manual" documents, if this is true, then toplevel headings are parts,
# not chapters.
#
# latex_use_parts = False
# If true, show page references after internal links.
#
# latex_show_pagerefs = False
# If true, show URL addresses after external links.
#
# latex_show_urls = False
# Documents to append as an appendix to all manuals.
#
# latex_appendices = []
# It false, will not define \strong, \code, itleref, \crossref ... but only
# \sphinxstrong, ..., \sphinxtitleref, ... To help avoid clash with user added
# packages.
#
# latex_keep_old_macro_names = True
# If false, no module index is generated.
#
# latex_domain_indices = True
# -- Options for manual page output ---------------------------------------
# One entry per manual page. List of tuples
# (source start file, name, description, authors, manual section).
man_pages = [
(main_doc, 'sherpa', 'Sherpa Documentation',
[author], 1)
]
# If true, show URL addresses after external links.
#
# man_show_urls = False
# -- Options for Texinfo output -------------------------------------------
# Grouping the document tree into Texinfo files. List of tuples
# (source start file, target name, title, author,
# dir menu entry, description, category)
texinfo_documents = [
(main_doc, 'Sherpa', 'Sherpa Documentation',
author, 'Sherpa',
'Sherpa is a modeling and fitting environment for Python.',
'Miscellaneous'),
]
# Documents to append as an appendix to all manuals.
#
# texinfo_appendices = []
# If false, no module index is generated.
#
# texinfo_domain_indices = True
# How to display URL addresses: 'footnote', 'no', or 'inline'.
#
# texinfo_show_urls = 'footnote'
# If true, do not generate a @detailmenu in the "Top" node's menu.
#
# texinfo_no_detailmenu = False
# -- try and get copybuttons to work --
#
# docs/_static/copybutton.js is copied from
# https://raw.githubusercontent.com/scipy/scipy-sphinx-theme/master/_theme/scipy/static/js/copybutton.js
# version is from
# https://github.com/scipy/scipy-sphinx-theme/commit/a8aa8a6aad1524c9577a861fc4faa82d6c167138
#
def setup(app):
app.add_js_file('copybutton.js')
# Add in the git commit id so that the nbsphinx_prolog
# can pick it up. This may well be repeating logic that
# is already known by Sphinx.
#
# Guessing at rebuild and types arguments.
#
githash = sherpa._version.get_versions()['full-revisionid']
if githash.endswith('.dirty'):
githash = githash[:-6]
app.config.add('githash', githash, rebuild=False, types=None)