# -*- coding: utf-8 -*-
#
# Flask documentation build configuration file, created by
# sphinx-quickstart on Tue Apr  6 15:24:58 2010.
#
# This file is execfile()d with the current directory set to its containing dir.
#
# Note that not all possible configuration values are present in this
# autogenerated file.
#
# All configuration values have a default; values that are commented out
# serve to show the default.
from __future__ import print_function

import datetime
import os
import sys
import time

import pkg_resources

BUILD_DATE = datetime.datetime.utcfromtimestamp(int(os.environ.get('SOURCE_DATE_EPOCH', time.time())))

# 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.append(os.path.dirname(__file__))

# -- General configuration -----------------------------------------------------

# If your documentation needs a minimal Sphinx version, state it here.
#needs_sphinx = '1.0'

# 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.intersphinx',
    'flaskdocext'
]

try:
    __import__('sphinxcontrib.log_cabinet')
except ImportError:
    print('sphinxcontrib-log-cabinet is not installed.')
    print('Changelog directives will not be re-organized.')
else:
    extensions.append('sphinxcontrib.log_cabinet')

# Add any paths that contain templates here, relative to this directory.
templates_path = ['_templates']

# The suffix of source filenames.
source_suffix = '.rst'

# The encoding of source files.
#source_encoding = 'utf-8-sig'

# The master toctree document.
master_doc = 'index'

# General information about the project.
project = u'Flask'
copyright = u'2010 - {0}, Armin Ronacher'.format(BUILD_DATE.year)

# 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.
try:
    release = pkg_resources.get_distribution('Flask').version
except pkg_resources.DistributionNotFound:
    print('Flask must be installed to build the documentation.')
    print('Install from source using `pip install -e .` in a virtualenv.')
    sys.exit(1)

if 'dev' in release:
    release = ''.join(release.partition('dev')[:2])

version = '.'.join(release.split('.')[:2])

# The language for content autogenerated by Sphinx. Refer to documentation
# for a list of supported languages.
#language = None

# 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.
exclude_patterns = ['_build']

# The reST default role (used for this markup: `text`) to use for all documents.
#default_role = None

# 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

# A list of ignored prefixes for module index sorting.
#modindex_common_prefix = []


# -- Options for HTML output ---------------------------------------------------

# The theme to use for HTML and HTML Help pages.  Major themes that come with
# Sphinx are currently 'default' and 'sphinxdoc'.
# html_theme = 'default'

# Theme options are theme-specific and customize the look and feel of a theme
# further.  For a list of options available for each theme, see the
# documentation.
# html_theme_options = {}

# Add any paths that contain custom themes here, relative to this directory.
# html_theme_path = ['_themes']

# The name for this set of Sphinx documents.  If None, it defaults to
# "<project> v<release> documentation".
#html_title = None

# 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.  Do not set, template magic!
#html_logo = None

# The name of an image file (within the static path) to use as favicon of the
# docs.  This file should be a Windows icon file (.ico) being 16x16 or 32x32
# pixels large.
html_favicon = '_static/flask-favicon.ico'

# 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']

# If not '', a 'Last updated on:' timestamp is inserted at every page bottom,
# using the given strftime format.
#html_last_updated_fmt = '%b %d, %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 = {
    'index': [
        'sidebarintro.html',
        'sourcelink.html',
        'searchbox.html'
    ],
    '**': [
        'sidebarlogo.html',
        'localtoc.html',
        'relations.html',
        'sourcelink.html',
        'searchbox.html'
    ]
}

# 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_use_modindex = False

# 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 = False

# 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 = ''

# If nonempty, this is the file name suffix for HTML files (e.g. ".xhtml").
#html_file_suffix = ''

# Output file base name for HTML help builder.
htmlhelp_basename = 'Flaskdoc'


# -- Options for LaTeX output --------------------------------------------------

# Grouping the document tree into LaTeX files. List of tuples
# (source start file, target name, title, author, documentclass [howto/manual]).
latex_documents = [
  ('latexindex', 'Flask.tex', u'Flask Documentation', u'Armin Ronacher', 'manual'),
]

# Documents to append as an appendix to all manuals.
#latex_appendices = []

# If false, no module index is generated.
latex_use_modindex = False

latex_elements = {
    'fontpkg': r'\usepackage{mathpazo}',
    'papersize': 'a4paper',
    'pointsize': '12pt',
    'preamble': r'\usepackage{flaskstyle}'
}
latex_use_parts = True

latex_additional_files = ['flaskstyle.sty', 'logo.pdf']


# -- Options for Epub output ---------------------------------------------------

# Bibliographic Dublin Core info.
#epub_title = ''
#epub_author = ''
#epub_publisher = ''
#epub_copyright = ''

# The language of the text. It defaults to the language option
# or en if the language is not set.
#epub_language = ''

# The scheme of the identifier. Typical schemes are ISBN or URL.
#epub_scheme = ''

# The unique identifier of the text. This can be an ISBN number
# or the project homepage.
#epub_identifier = ''

# A unique identification for the text.
#epub_uid = ''

# HTML files that should be inserted before the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_pre_files = []

# HTML files shat should be inserted after the pages created by sphinx.
# The format is a list of tuples containing the path and title.
#epub_post_files = []

# A list of files that should not be packed into the epub file.
#epub_exclude_files = []

# The depth of the table of contents in toc.ncx.
#epub_tocdepth = 3

intersphinx_mapping = {
    'python': ('https://docs.python.org/3/', None),
    'werkzeug': ('http://werkzeug.pocoo.org/docs/', None),
    'click': ('http://click.pocoo.org/', None),
    'jinja': ('http://jinja.pocoo.org/docs/', None),
    'itsdangerous': ('https://pythonhosted.org/itsdangerous', None),
    'sqlalchemy': ('https://docs.sqlalchemy.org/en/latest/', None),
    'wtforms': ('https://wtforms.readthedocs.io/en/latest/', None),
    'blinker': ('https://pythonhosted.org/blinker/', None),
}

html_theme_options = {
    'touch_icon': 'touch-icon.png'
}

# unwrap decorators
def unwrap_decorators():
    import sphinx.util.inspect as inspect
    import functools

    old_getargspec = inspect.getargspec
    def getargspec(x):
        return old_getargspec(getattr(x, '_original_function', x))
    inspect.getargspec = getargspec

    old_update_wrapper = functools.update_wrapper
    def update_wrapper(wrapper, wrapped, *a, **kw):
        rv = old_update_wrapper(wrapper, wrapped, *a, **kw)
        rv._original_function = wrapped
        return rv
    functools.update_wrapper = update_wrapper

unwrap_decorators()
del unwrap_decorators


def setup(app):
    def cut_module_meta(app, what, name, obj, options, lines):
        """Remove metadata from autodoc output."""
        if what != 'module':
            return

        lines[:] = [
            line for line in lines
            if not line.startswith((':copyright:', ':license:'))
        ]

    app.connect('autodoc-process-docstring', cut_module_meta)

    def github_link(
        name, rawtext, text, lineno, inliner,
        options=None, content=None
    ):
        app = inliner.document.settings.env.app
        release = app.config.release
        base_url = 'https://github.com/pallets/flask/tree/'

        if text.endswith('>'):
            words, text = text[:-1].rsplit('<', 1)
            words = words.strip()
        else:
            words = None

        if release.endswith('dev'):
            url = '{0}master/{1}'.format(base_url, text)
        else:
            url = '{0}{1}/{2}'.format(base_url, release, text)

        if words is None:
            words = url

        from docutils.nodes import reference
        from docutils.parsers.rst.roles import set_classes
        options = options or {}
        set_classes(options)
        node = reference(rawtext, words, refuri=url, **options)
        return [node], []

    app.add_role('gh', github_link)