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320 lines
9.8 KiB
Python
320 lines
9.8 KiB
Python
import re
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import os
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import fnmatch
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from collections import OrderedDict, namedtuple
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import unidecode
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from jinja2 import Environment, FileSystemLoader, TemplateNotFound
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import sphinx.util
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from sphinx.util.console import darkgreen, bold
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from sphinx.util.osutil import ensuredir
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from sphinx.util.docstrings import prepare_docstring
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import sphinx.util.logging
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from ..settings import API_ROOT
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LOGGER = sphinx.util.logging.getLogger(__name__)
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Path = namedtuple("Path", ["absolute", "relative"])
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class PythonMapperBase(object):
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"""
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Base object for JSON -> Python object mapping.
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Subclasses of this object will handle their language specific JSON input,
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and map that onto this standard Python object.
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Subclasses may also include language-specific attributes on this object.
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Arguments:
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:param obj: JSON object representing this object
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:param jinja_env: A template environment for rendering this object
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:param url_root: API URL root prefix
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Required attributes:
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:var str id: A globally unique indentifier for this object.
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Generally a fully qualified name, including namespace.
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:var str name: A short "display friendly" name for this object.
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Optional attributes:
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:var str docstring: The documentation for this object
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:var list imports: Imports in this object
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:var list children: Children of this object
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:var list parameters: Parameters to this object
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:var list methods: Methods on this object
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"""
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language = "base"
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type = "base"
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# Create a page in the output for this object.
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top_level_object = False
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_RENDER_LOG_LEVEL = "DEBUG"
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def __init__(self, obj, options=None, jinja_env=None, url_root=None):
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self.obj = obj
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self.options = options
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if jinja_env:
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self.jinja_env = jinja_env
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if url_root is None:
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url_root = os.path.join("/", API_ROOT)
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self.url_root = url_root
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def render(self, **kwargs):
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LOGGER.log(self._RENDER_LOG_LEVEL, "Rendering %s", self.id)
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ctx = {}
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try:
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template = self.jinja_env.get_template(
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"{language}/{type}.rst".format(language=self.language, type=self.type)
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)
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except TemplateNotFound:
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# Use a try/except here so we fallback to language specific defaults, over base defaults
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template = self.jinja_env.get_template(
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"base/{type}.rst".format(type=self.type)
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)
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ctx.update(**self.get_context_data())
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ctx.update(**kwargs)
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return template.render(**ctx)
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@property
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def rendered(self):
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"""Shortcut to render an object in templates."""
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return self.render()
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def get_absolute_path(self):
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return "/autoapi/{type}/{name}".format(type=self.type, name=self.name)
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def get_context_data(self):
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return {"obj": self}
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def __lt__(self, other):
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"""Object sorting comparison"""
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if isinstance(other, PythonMapperBase):
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return self.id < other.id
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return super(PythonMapperBase, self).__lt__(other)
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def __str__(self):
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return "<{cls} {id}>".format(cls=self.__class__.__name__, id=self.id)
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@property
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def short_name(self):
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"""Shorten name property"""
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return self.name.split(".")[-1]
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@property
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def pathname(self):
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"""Sluggified path for filenames
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Slugs to a filename using the follow steps
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* Decode unicode to approximate ascii
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* Remove existing hypens
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* Substitute hyphens for non-word characters
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* Break up the string as paths
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"""
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slug = self.name
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slug = unidecode.unidecode(slug)
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slug = slug.replace("-", "")
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slug = re.sub(r"[^\w\.]+", "-", slug).strip("-")
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return os.path.join(*slug.split("."))
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def include_dir(self, root):
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"""Return directory of file"""
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parts = [root]
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parts.extend(self.pathname.split(os.path.sep))
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return "/".join(parts)
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@property
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def include_path(self):
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"""Return 'absolute' path without regarding OS path separator
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This is used in ``toctree`` directives, as Sphinx always expects Unix
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path separators
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"""
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parts = [self.include_dir(root=self.url_root)]
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parts.append("index")
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return "/".join(parts)
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@property
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def display(self):
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"""Whether to display this object or not.
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:type: bool
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"""
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return True
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@property
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def ref_type(self):
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return self.type
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@property
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def ref_directive(self):
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return self.type
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@property
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def namespace(self):
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pieces = self.id.split(".")[:-1]
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if pieces:
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return ".".join(pieces)
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return None
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class SphinxMapperBase(object):
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"""Base class for mapping `PythonMapperBase` objects to Sphinx.
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:param app: Sphinx application instance
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"""
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def __init__(self, app, template_dir=None, url_root=None):
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from ..settings import TEMPLATE_DIR
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self.app = app
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template_paths = [TEMPLATE_DIR]
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if template_dir:
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# Put at the front so it's loaded first
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template_paths.insert(0, template_dir)
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self.jinja_env = Environment(
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loader=FileSystemLoader(template_paths),
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trim_blocks=True,
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lstrip_blocks=True,
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)
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def _wrapped_prepare(value):
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return "\n".join(prepare_docstring(value))
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self.jinja_env.filters["prepare_docstring"] = _wrapped_prepare
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self.url_root = url_root
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# Mapping of {filepath -> raw data}
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self.paths = OrderedDict()
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# Mapping of {object id -> Python Object}
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self.objects = OrderedDict()
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# Mapping of {object id -> Python Object}
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self.all_objects = OrderedDict()
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# Mapping of {namespace id -> Python Object}
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self.namespaces = OrderedDict()
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# Mapping of {namespace id -> Python Object}
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self.top_level_objects = OrderedDict()
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def load(self, patterns, dirs, ignore=None):
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"""
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Load objects from the filesystem into the ``paths`` dictionary.
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"""
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for path in self.find_files(patterns=patterns, dirs=dirs, ignore=ignore):
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data = self.read_file(path=path)
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if data:
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self.paths[path] = data
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def find_files(self, patterns, dirs, ignore):
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# pylint: disable=too-many-nested-blocks
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if not ignore:
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ignore = []
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files_to_read = []
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for _dir in dirs:
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for root, dirnames, filenames in os.walk(_dir):
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for pattern in patterns:
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for filename in fnmatch.filter(filenames, pattern):
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skip = False
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# Skip ignored files
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for ignore_pattern in ignore:
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if fnmatch.fnmatch(
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os.path.join(root, filename), ignore_pattern
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):
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LOGGER.info(
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bold("[AutoAPI] ")
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+ darkgreen("Ignoring %s/%s" % (root, filename))
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)
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skip = True
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if skip:
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continue
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# Make sure the path is full
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if not os.path.isabs(filename):
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filename = os.path.join(root, filename)
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files_to_read.append(filename)
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status_iterator = sphinx.util.status_iterator
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for _path in status_iterator(
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files_to_read, "[AutoAPI] Reading files... ", darkgreen, len(files_to_read)
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):
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yield _path
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def read_file(self, path, **kwargs):
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"""Read file input into memory
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:param path: Path of file to read
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"""
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# TODO support JSON here
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# TODO sphinx way of reporting errors in logs?
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raise NotImplementedError
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def add_object(self, obj):
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"""
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Add object to local and app environment storage
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:param obj: Instance of a AutoAPI object
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"""
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self.objects[obj.id] = obj
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self.all_objects[obj.id] = obj
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child_stack = list(obj.children)
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while child_stack:
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child = child_stack.pop()
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self.all_objects[child.id] = child
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child_stack.extend(getattr(child, "children", ()))
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def map(self, options=None):
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"""Trigger find of serialized sources and build objects"""
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for path, data in self.paths.items():
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for obj in self.create_class(data, options=options):
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self.add_object(obj)
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def create_class(self, data, options=None, **kwargs):
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"""
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Create class object.
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:param data: Instance of a AutoAPI object
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"""
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raise NotImplementedError
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def output_rst(self, root, source_suffix):
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for id, obj in self.objects.items():
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rst = obj.render(
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include_summaries=self.app.config.autoapi_include_summaries
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)
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if not rst:
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continue
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detail_dir = obj.include_dir(root=root)
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ensuredir(detail_dir)
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path = os.path.join(detail_dir, "%s%s" % ("index", source_suffix))
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with open(path, "wb+") as detail_file:
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detail_file.write(rst.encode("utf-8"))
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if self.app.config.autoapi_add_toctree_entry:
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self._output_top_rst(root)
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def _output_top_rst(self, root):
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# Render Top Index
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top_level_index = os.path.join(root, "index.rst")
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pages = self.objects.values()
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with open(top_level_index, "w+") as top_level_file:
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content = self.jinja_env.get_template("index.rst")
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top_level_file.write(content.render(pages=pages))
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