Mercurial > repos > shellac > guppy_basecaller
diff env/lib/python3.7/site-packages/docutils/__init__.py @ 2:6af9afd405e9 draft
"planemo upload commit 0a63dd5f4d38a1f6944587f52a8cd79874177fc1"
author | shellac |
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date | Thu, 14 May 2020 14:56:58 -0400 (2020-05-14) |
parents | 26e78fe6e8c4 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/env/lib/python3.7/site-packages/docutils/__init__.py Thu May 14 14:56:58 2020 -0400 @@ -0,0 +1,233 @@ +# $Id: __init__.py 8453 2020-01-12 13:28:32Z grubert $ +# Author: David Goodger <goodger@python.org> +# Copyright: This module has been placed in the public domain. + +""" +This is the Docutils (Python Documentation Utilities) package. + +Package Structure +================= + +Modules: + +- __init__.py: Contains component base classes, exception classes, and + Docutils version information. + +- core.py: Contains the ``Publisher`` class and ``publish_*()`` convenience + functions. + +- frontend.py: Runtime settings (command-line interface, configuration files) + processing, for Docutils front-ends. + +- io.py: Provides a uniform API for low-level input and output. + +- nodes.py: Docutils document tree (doctree) node class library. + +- statemachine.py: A finite state machine specialized for + regular-expression-based text filters. + +Subpackages: + +- languages: Language-specific mappings of terms. + +- parsers: Syntax-specific input parser modules or packages. + +- readers: Context-specific input handlers which understand the data + source and manage a parser. + +- transforms: Modules used by readers and writers to modify DPS + doctrees. + +- utils: Contains the ``Reporter`` system warning class and miscellaneous + utilities used by readers, writers, and transforms. + + utils/urischemes.py: Contains a complete mapping of known URI addressing + scheme names to descriptions. + +- utils/math: Contains functions for conversion of mathematical notation + between different formats (LaTeX, MathML, text, ...). + +- writers: Format-specific output translators. +""" + +import sys +from collections import namedtuple + + +__docformat__ = 'reStructuredText' + +__version__ = '0.16' +"""Docutils version identifier (complies with PEP 440):: + + major.minor[.micro][releaselevel[serial]][.dev] + +For version comparison operations, use `__version_info__` (see, below) +rather than parsing the text of `__version__`. + +See 'Version Numbering' in docs/dev/policies.txt. +""" + +VersionInfo = namedtuple( + 'VersionInfo', 'major minor micro releaselevel serial release') + +__version_info__ = VersionInfo( + major=0, + minor=16, + micro=0, + releaselevel='final', # one of 'alpha', 'beta', 'candidate', 'final' + # pre-release serial number (0 for final releases and active development): + serial=0, + release=True # True for official releases and pre-releases + ) +"""Comprehensive version information tuple. See 'Version Numbering' in +docs/dev/policies.txt.""" + +__version_details__ = 'release' +"""Optional extra version details (e.g. 'snapshot 2005-05-29, r3410'). +(For development and release status see `__version_info__`.) +""" + + +class ApplicationError(Exception): pass + +class DataError(ApplicationError): pass + + +class SettingsSpec(object): + + """ + Runtime setting specification base class. + + SettingsSpec subclass objects used by `docutils.frontend.OptionParser`. + """ + + settings_spec = () + """Runtime settings specification. Override in subclasses. + + Defines runtime settings and associated command-line options, as used by + `docutils.frontend.OptionParser`. This is a tuple of: + + - Option group title (string or `None` which implies no group, just a list + of single options). + + - Description (string or `None`). + + - A sequence of option tuples. Each consists of: + + - Help text (string) + + - List of option strings (e.g. ``['-Q', '--quux']``). + + - Dictionary of keyword arguments sent to the OptionParser/OptionGroup + ``add_option`` method. + + Runtime setting names are derived implicitly from long option names + ('--a-setting' becomes ``settings.a_setting``) or explicitly from the + 'dest' keyword argument. + + Most settings will also have a 'validator' keyword & function. The + validator function validates setting values (from configuration files + and command-line option arguments) and converts them to appropriate + types. For example, the ``docutils.frontend.validate_boolean`` + function, **required by all boolean settings**, converts true values + ('1', 'on', 'yes', and 'true') to 1 and false values ('0', 'off', + 'no', 'false', and '') to 0. Validators need only be set once per + setting. See the `docutils.frontend.validate_*` functions. + + See the optparse docs for more details. + + - More triples of group title, description, options, as many times as + needed. Thus, `settings_spec` tuples can be simply concatenated. + """ + + settings_defaults = None + """A dictionary of defaults for settings not in `settings_spec` (internal + settings, intended to be inaccessible by command-line and config file). + Override in subclasses.""" + + settings_default_overrides = None + """A dictionary of auxiliary defaults, to override defaults for settings + defined in other components. Override in subclasses.""" + + relative_path_settings = () + """Settings containing filesystem paths. Override in subclasses. + Settings listed here are to be interpreted relative to the current working + directory.""" + + config_section = None + """The name of the config file section specific to this component + (lowercase, no brackets). Override in subclasses.""" + + config_section_dependencies = None + """A list of names of config file sections that are to be applied before + `config_section`, in order (from general to specific). In other words, + the settings in `config_section` are to be overlaid on top of the settings + from these sections. The "general" section is assumed implicitly. + Override in subclasses.""" + + +class TransformSpec: + + """ + Runtime transform specification base class. + + TransformSpec subclass objects used by `docutils.transforms.Transformer`. + """ + + def get_transforms(self): + """Transforms required by this class. Override in subclasses.""" + if self.default_transforms != (): + import warnings + warnings.warn('default_transforms attribute deprecated.\n' + 'Use get_transforms() method instead.', + DeprecationWarning) + return list(self.default_transforms) + return [] + + # Deprecated; for compatibility. + default_transforms = () + + unknown_reference_resolvers = () + """List of functions to try to resolve unknown references. Unknown + references have a 'refname' attribute which doesn't correspond to any + target in the document. Called when the transforms in + `docutils.tranforms.references` are unable to find a correct target. The + list should contain functions which will try to resolve unknown + references, with the following signature:: + + def reference_resolver(node): + '''Returns boolean: true if resolved, false if not.''' + + If the function is able to resolve the reference, it should also remove + the 'refname' attribute and mark the node as resolved:: + + del node['refname'] + node.resolved = 1 + + Each function must have a "priority" attribute which will affect the order + the unknown_reference_resolvers are run:: + + reference_resolver.priority = 100 + + Override in subclasses.""" + + +class Component(SettingsSpec, TransformSpec): + + """Base class for Docutils components.""" + + component_type = None + """Name of the component type ('reader', 'parser', 'writer'). Override in + subclasses.""" + + supported = () + """Names for this component. Override in subclasses.""" + + def supports(self, format): + """ + Is `format` supported by this component? + + To be used by transforms to ask the dependent component if it supports + a certain input context or output format. + """ + return format in self.supported