dfhack/docs/sphinx_extensions/dfhack/tool_docs.py

331 lines
12 KiB
Python

# useful references:
# https://www.sphinx-doc.org/en/master/extdev/appapi.html
# https://www.sphinx-doc.org/en/master/development/tutorials/recipe.html
# https://www.sphinx-doc.org/en/master/usage/restructuredtext/basics.html#rst-directives
from collections import defaultdict
import logging
import os
import re
from typing import Dict, Iterable, List, Optional, Tuple, Type
import docutils.nodes as nodes
from docutils.nodes import Node
import docutils.parsers.rst.directives as rst_directives
import sphinx
import sphinx.addnodes as addnodes
import sphinx.directives
from sphinx.domains import Domain, Index, IndexEntry
from sphinx.util.docutils import SphinxDirective
from sphinx.util.nodes import process_index_entry
import dfhack.util
logger = sphinx.util.logging.getLogger(__name__)
def get_label_class(builder: sphinx.builders.Builder) -> Type[nodes.Inline]:
if builder.format == 'text':
return nodes.inline
else:
return nodes.strong
def make_labeled_paragraph(label: Optional[str]=None, content: Optional[str]=None,
label_class=nodes.strong, content_class=nodes.inline) -> nodes.paragraph:
p = nodes.paragraph('', '')
if label is not None:
p += [
label_class('', '{}:'.format(label)),
nodes.inline('', ' '),
]
if content is not None:
p += content_class('', content)
return p
def make_summary(builder: sphinx.builders.Builder, summary: str) -> nodes.paragraph:
para = nodes.paragraph('', '')
if builder.format == 'text':
# It might be clearer to block indent instead of just indenting the
# first line, but this is clearer than nothing.
para += nodes.inline(text=' ')
para += nodes.inline(text=summary)
return para
_KEYBINDS = {}
_KEYBINDS_RENDERED = set() # commands whose keybindings have been rendered
def scan_keybinds(root, files, keybindings):
"""Add keybindings in the specified files to the
given keybindings dict.
"""
for file in files:
with open(os.path.join(root, file)) as f:
lines = [l.replace('keybinding add', '').strip() for l in f.readlines()
if l.startswith('keybinding add')]
for k in lines:
first, command = k.split(' ', 1)
bind, context = (first.split('@') + [''])[:2]
if ' ' not in command:
command = command.replace('"', '')
tool = command.split(' ')[0].replace('"', '')
keybindings[tool] = keybindings.get(tool, []) + [
(command, bind.split('-'), context)]
def scan_all_keybinds(root_dir):
"""Get the implemented keybinds, and return a dict of
{tool: [(full_command, keybinding, context), ...]}.
"""
keybindings = dict()
for root, _, files in os.walk(root_dir):
scan_keybinds(root, files, keybindings)
return keybindings
def render_dfhack_keybind(command, builder: sphinx.builders.Builder) -> List[nodes.paragraph]:
_KEYBINDS_RENDERED.add(command)
out = []
if command not in _KEYBINDS:
return out
for keycmd, key, ctx in _KEYBINDS[command]:
n = make_labeled_paragraph('Keybinding', label_class=get_label_class(builder))
for k in key:
if builder.format == 'text':
k = '[{}]'.format(k)
n += nodes.inline(k, k, classes=['kbd'])
if keycmd != command:
n += nodes.inline(' -> ', ' -> ')
n += nodes.literal(keycmd, keycmd, classes=['guilabel'])
if ctx:
n += nodes.inline(' in ', ' in ')
n += nodes.literal(ctx, ctx)
out.append(n)
return out
def check_missing_keybinds():
# FIXME: _KEYBINDS_RENDERED is empty in the parent process under parallel builds
# consider moving to a sphinx Domain to solve this properly
for missing_command in sorted(set(_KEYBINDS.keys()) - _KEYBINDS_RENDERED):
logger.warning('Undocumented keybindings for command: %s', missing_command)
_anchor_pattern = re.compile(r'^\d+')
def to_anchor(name: str) -> str:
name = name.lower()
name = name.replace('/', '-')
name = re.sub(_anchor_pattern, '', name)
return name
class DFHackToolDirectiveBase(sphinx.directives.ObjectDescription):
has_content = False
required_arguments = 0
optional_arguments = 1
def get_tool_name_from_docname(self):
parts = self.env.docname.split('/')
if 'tools' in parts:
return '/'.join(parts[parts.index('tools') + 1:])
else:
return parts[-1]
def get_name_or_docname(self):
if self.arguments:
return self.arguments[0]
return self.get_tool_name_from_docname()
def add_index_entries(self, name) -> None:
docname = self.env.docname
anchor = to_anchor(self.get_tool_name_from_docname())
tags = self.env.domaindata['tag-repo']['doctags'][docname]
indexdata = (name, self.options.get('summary', ''), '', docname, anchor, 0)
self.env.domaindata['all']['objects'].append(indexdata)
for tag in tags:
self.env.domaindata[tag]['objects'].append(indexdata)
@staticmethod
def wrap_box(*children: List[nodes.Node]) -> nodes.Admonition:
return nodes.topic('', *children, classes=['dfhack-tool-summary'])
def make_labeled_paragraph(self, *args, **kwargs):
# convenience wrapper to set label_class to the desired builder-specific node type
kwargs.setdefault('label_class', get_label_class(self.env.app.builder))
return make_labeled_paragraph(*args, **kwargs)
def render_content(self) -> List[nodes.Node]:
raise NotImplementedError
def run(self):
return [self.wrap_box(*self.render_content())]
class DFHackToolDirective(DFHackToolDirectiveBase):
option_spec = {
'tags': dfhack.util.directive_arg_str_list,
'no-command': rst_directives.flag,
'summary': rst_directives.unchanged,
}
def render_content(self) -> List[nodes.Node]:
tag_paragraph = self.make_labeled_paragraph('Tags')
tags = self.options.get('tags', [])
self.env.domaindata['tag-repo']['doctags'][self.env.docname] = tags
for tag in tags:
tag_paragraph += [
addnodes.pending_xref(tag, nodes.inline(text=tag), **{
'reftype': 'ref',
'refdomain': 'std',
'reftarget': tag + '-tag-index',
'refexplicit': True,
'refwarn': True,
}),
nodes.inline(text=' | '),
]
tag_paragraph.pop()
ret_nodes = [tag_paragraph]
if 'no-command' in self.options:
self.add_index_entries(self.get_name_or_docname() + ' (plugin)')
ret_nodes += [make_summary(self.env.app.builder, self.options.get('summary', ''))]
return ret_nodes
def run(self):
out = DFHackToolDirectiveBase.run(self)
if 'no-command' not in self.options:
out += [self.wrap_box(*DFHackCommandDirective.render_content(self))]
return out
class DFHackCommandDirective(DFHackToolDirectiveBase):
option_spec = {
'summary': rst_directives.unchanged_required,
}
def render_content(self) -> List[nodes.Node]:
command = self.get_name_or_docname()
self.add_index_entries(command)
return [
self.make_labeled_paragraph('Command', command, content_class=nodes.literal),
make_summary(self.env.app.builder, self.options.get('summary', '')),
*render_dfhack_keybind(command, builder=self.env.app.builder),
]
class TagRepoDomain(Domain):
name = 'tag-repo'
label = 'Holds tag associations per document'
initial_data = {'doctags': {}}
def merge_domaindata(self, docnames: List[str], otherdata: Dict) -> None:
self.data['doctags'].update(otherdata['doctags'])
def get_tags():
groups = {}
group_re = re.compile(r'"([^"]+)"')
tag_re = re.compile(r'- `([^ ]+) <[^>]+>`: (.*)')
with open(os.path.join(dfhack.util.DOCS_ROOT, 'Tags.rst')) as f:
lines = f.readlines()
for line in lines:
line = line.strip()
m = re.match(group_re, line)
if m:
group = m.group(1)
groups[group] = []
continue
m = re.match(tag_re, line)
if m:
tag = m.group(1)
desc = m.group(2)
groups[group].append((tag, desc))
return groups
def tag_domain_get_objects(self):
for obj in self.data['objects']:
yield(obj)
def tag_domain_merge_domaindata(self, docnames: List[str], otherdata: Dict) -> None:
seen = set()
objs = self.data['objects']
for obj in objs:
seen.add(obj[0])
for obj in otherdata['objects']:
if obj[0] not in seen:
objs.append(obj)
objs.sort()
def tag_index_generate(self, docnames: Optional[Iterable[str]] = None) -> Tuple[List[Tuple[str, List[IndexEntry]]], bool]:
content = defaultdict(list)
for name, desc, _, docname, anchor, _ in self.domain.data['objects']:
first_letter = name[0].lower()
extra, descr = desc, ''
if self.domain.env.app.builder.format == 'html':
extra, descr = '', desc
content[first_letter].append(
IndexEntry(name, 0, docname, anchor, extra, '', descr))
return (sorted(content.items()), False)
def register_index(app, tag, title):
domain_class = type(tag+'Domain', (Domain, ), {
'name': tag,
'label': 'Container domain for tag: ' + tag,
'initial_data': {'objects': []},
'merge_domaindata': tag_domain_merge_domaindata,
'get_objects': tag_domain_get_objects,
})
index_class = type(tag+'Index', (Index, ), {
'name': 'tag-index',
'localname': title,
'shortname': tag,
'generate': tag_index_generate,
})
app.add_domain(domain_class)
app.add_index_to_domain(tag, index_class)
def init_tag_indices(app):
os.makedirs(os.path.join(dfhack.util.DOCS_ROOT, 'tags'), mode=0o755, exist_ok=True)
tag_groups = get_tags()
for tag_group in tag_groups:
group_file_path = os.path.join(dfhack.util.DOCS_ROOT, 'tags', 'by{group}.rst'.format(group=tag_group))
with dfhack.util.write_file_if_changed(group_file_path) as topidx:
for tag_tuple in tag_groups[tag_group]:
tag, desc = tag_tuple[0], tag_tuple[1]
topidx.write(('- `{name} <{name}-tag-index>`\n').format(name=tag))
topidx.write((' {desc}\n').format(desc=desc))
register_index(app, tag, desc)
def update_index_titles(app):
for domain in app.env.domains.values():
for index in domain.indices:
if index.shortname == 'all':
continue
if app.builder.format == 'html':
index.localname = '"%s" tag index<h4>%s</h4>' % (index.shortname, index.localname)
else:
index.localname = '"%s" tag index - %s' % (index.shortname, index.localname)
def register(app):
app.add_directive('dfhack-tool', DFHackToolDirective)
app.add_directive('dfhack-command', DFHackCommandDirective)
update_index_titles(app)
_KEYBINDS.update(scan_all_keybinds(os.path.join(dfhack.util.DFHACK_ROOT, 'data', 'init')))
def setup(app):
app.connect('builder-inited', register)
app.add_domain(TagRepoDomain)
register_index(app, 'all', 'Index of DFHack tools')
init_tag_indices(app)
# TODO: re-enable once detection is corrected
# app.connect('build-finished', lambda *_: check_missing_keybinds())
return {
'version': '0.1',
'parallel_read_safe': True,
'parallel_write_safe': True,
}