docs: multi target include dir support
Closes IDF-1371 Added an include directive that allows for the content to be formatted according to idf target
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@ -157,9 +157,10 @@ Other Extensions
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This will define a replacement of the tag {\IDF_TARGET_TX_PIN} in the current rst-file.
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The extension also overrides the default ``.. include::`` directive in order to format any included content using the same rules.
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These replacements cannot be used inside markup that rely on alignment of characters, e.g. tables.
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These replacement can't be used in a file which is `::include`-ed from another file. *This includes any English document where the ``zh_CN`` translation includes then ``en`` translation*.
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Related Documents
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-----------------
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@ -303,8 +303,6 @@ This extension also supports markup for defining a local (for a single .rst-file
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{\IDF_TARGET_TX_PIN:default="IO3",esp32="IO4",esp32s2beta="IO5"} will define a substitution for the tag {\IDF_TARGET_TX_PIN}, which would be replaced by the text IO5 if sphinx was called with the tag esp32s2beta.
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.. note:: Due to limitations in Sphinx processing, these substitutions are not applied to any document that is included via the ``.. include::` directive. In these cases it's necessary to use the ``only`` blocks and write per-target sections instead. Unfortunately this includes any document which is not yet translated, as the ``zh_CN`` version will include the ``en`` version.
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Put it all together
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-------------------
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@ -1,14 +1,24 @@
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import re
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import os
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import os.path
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from docutils import io, nodes, statemachine, utils
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from docutils.utils.error_reporting import SafeString, ErrorString
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from docutils.parsers.rst import directives
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from sphinx.directives.other import Include as BaseInclude
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TARGET_NAMES = {'esp32': 'ESP32', 'esp32s2': 'ESP32-S2'}
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TOOLCHAIN_NAMES = {'esp32': 'esp', 'esp32s2': 'esp32s2'}
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CONFIG_PREFIX = {'esp32': 'ESP32', 'esp32s2': 'ESP32S2'}
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TRM_EN_URL = {'esp32': 'https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_en.pdf',
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'esp32s2': 'https://www.espressif.com/sites/default/files/documentation/esp32-s2_technical_reference_manual_en.pdf'}
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def setup(app):
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sub = StringSubstituter()
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TRM_CN_URL = {'esp32': 'https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_cn.pdf',
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'esp32s2': 'https://www.espressif.com/sites/default/files/documentation/esp32-s2_technical_reference_manual_cn.pdf'}
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# Config values not available when setup is called
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app.connect('config-inited', lambda _, config: sub.init_sub_strings(config))
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app.connect('source-read', sub.substitute_source_read_cb)
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# Override the default include directive to include formatting with idf_target
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# This is needed since there are no source-read events for includes
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app.add_directive('include', FormatedInclude, override=True)
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return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.2'}
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class StringSubstituter:
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@ -29,6 +39,15 @@ class StringSubstituter:
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This will define a replacement of the tag {IDF_TARGET_TX_PIN} in the current rst-file, see e.g. uart.rst for example
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"""
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TARGET_NAMES = {'esp32': 'ESP32', 'esp32s2': 'ESP32-S2'}
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TOOLCHAIN_NAMES = {'esp32': 'esp', 'esp32s2': 'esp32s2'}
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CONFIG_PREFIX = {'esp32': 'ESP32', 'esp32s2': 'ESP32S2'}
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TRM_EN_URL = {'esp32': 'https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_en.pdf',
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'esp32s2': 'https://www.espressif.com/sites/default/files/documentation/esp32-s2_technical_reference_manual_en.pdf'}
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TRM_CN_URL = {'esp32': 'https://www.espressif.com/sites/default/files/documentation/esp32_technical_reference_manual_cn.pdf',
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'esp32s2': 'https://www.espressif.com/sites/default/files/documentation/esp32-s2_technical_reference_manual_cn.pdf'}
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RE_PATTERN = re.compile(r'^\s*{IDF_TARGET_(\w+?):(.+?)}', re.MULTILINE)
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def __init__(self):
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@ -38,15 +57,15 @@ class StringSubstituter:
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def add_pair(self, tag, replace_value):
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self.substitute_strings[tag] = replace_value
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def init_sub_strings(self, app, config):
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def init_sub_strings(self, config):
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self.target_name = config.idf_target
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self.add_pair("{IDF_TARGET_NAME}", TARGET_NAMES[config.idf_target])
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self.add_pair("{IDF_TARGET_NAME}", self.TARGET_NAMES[config.idf_target])
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self.add_pair("{IDF_TARGET_PATH_NAME}", config.idf_target)
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self.add_pair("{IDF_TARGET_TOOLCHAIN_NAME}", TOOLCHAIN_NAMES[config.idf_target])
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self.add_pair("{IDF_TARGET_CFG_PREFIX}", CONFIG_PREFIX[config.idf_target])
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self.add_pair("{IDF_TARGET_TRM_EN_URL}", TRM_EN_URL[config.idf_target])
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self.add_pair("{IDF_TARGET_TRM_CN_URL}", TRM_CN_URL[config.idf_target])
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self.add_pair("{IDF_TARGET_TOOLCHAIN_NAME}", self.TOOLCHAIN_NAMES[config.idf_target])
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self.add_pair("{IDF_TARGET_CFG_PREFIX}", self.CONFIG_PREFIX[config.idf_target])
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self.add_pair("{IDF_TARGET_TRM_EN_URL}", self.TRM_EN_URL[config.idf_target])
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self.add_pair("{IDF_TARGET_TRM_CN_URL}", self.TRM_CN_URL[config.idf_target])
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def add_local_subs(self, matches):
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@ -71,30 +90,122 @@ class StringSubstituter:
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self.local_sub_strings[tag] = sub_value
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def substitute(self, app, docname, source):
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def substitute(self, content):
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# Add any new local tags that matches the reg.ex.
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sub_defs = re.findall(self.RE_PATTERN, source[0])
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sub_defs = re.findall(self.RE_PATTERN, content)
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if len(sub_defs) != 0:
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self.add_local_subs(sub_defs)
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# Remove the tag defines
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source[0] = re.sub(self.RE_PATTERN,'', source[0])
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content = re.sub(self.RE_PATTERN,'', content)
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for key in self.local_sub_strings:
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source[0] = source[0].replace(key, self.local_sub_strings[key])
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content = content.replace(key, self.local_sub_strings[key])
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self.local_sub_strings = {}
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for key in self.substitute_strings:
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source[0] = source[0].replace(key, self.substitute_strings[key])
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content = content.replace(key, self.substitute_strings[key])
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return content
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def substitute_source_read_cb(self, app, docname, source):
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source[0] = self.substitute(source[0])
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def setup(app):
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class FormatedInclude(BaseInclude):
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"""
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Include and format content read from a separate source file.
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Code is based on the default include directive from docutils
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but extended to also format the content according to IDF target.
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"""
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def run(self):
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# For code or literal include blocks we run the normal include
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if 'literal' in self.options or 'code' in self.options:
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return super(FormatedInclude, self).run()
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"""Include a file as part of the content of this reST file."""
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if not self.state.document.settings.file_insertion_enabled:
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raise self.warning('"%s" directive disabled.' % self.name)
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source = self.state_machine.input_lines.source(
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self.lineno - self.state_machine.input_offset - 1)
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source_dir = os.path.dirname(os.path.abspath(source))
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rel_filename, filename = self.env.relfn2path(self.arguments[0])
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self.arguments[0] = filename
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self.env.note_included(filename)
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path = directives.path(self.arguments[0])
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if path.startswith('<') and path.endswith('>'):
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path = os.path.join(self.standard_include_path, path[1:-1])
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path = os.path.normpath(os.path.join(source_dir, path))
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path = utils.relative_path(None, path)
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path = nodes.reprunicode(path)
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encoding = self.options.get(
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'encoding', self.state.document.settings.input_encoding)
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e_handler = self.state.document.settings.input_encoding_error_handler
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tab_width = self.options.get(
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'tab-width', self.state.document.settings.tab_width)
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try:
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self.state.document.settings.record_dependencies.add(path)
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include_file = io.FileInput(source_path=path,
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encoding=encoding,
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error_handler=e_handler)
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except UnicodeEncodeError:
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raise self.severe(u'Problems with "%s" directive path:\n'
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'Cannot encode input file path "%s" '
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'(wrong locale?).' %
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(self.name, SafeString(path)))
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except IOError as error:
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raise self.severe(u'Problems with "%s" directive path:\n%s.' %
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(self.name, ErrorString(error)))
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startline = self.options.get('start-line', None)
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endline = self.options.get('end-line', None)
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try:
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if startline or (endline is not None):
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lines = include_file.readlines()
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rawtext = ''.join(lines[startline:endline])
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else:
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rawtext = include_file.read()
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except UnicodeError as error:
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raise self.severe(u'Problem with "%s" directive:\n%s' %
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(self.name, ErrorString(error)))
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# Format input
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sub = StringSubstituter()
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config = self.state.document.settings.env.config
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sub.init_sub_strings(config)
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rawtext = sub.substitute(rawtext)
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# Config values not available when setup is called
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app.connect('config-inited', sub.init_sub_strings)
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app.connect('source-read', sub.substitute)
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# start-after/end-before: no restrictions on newlines in match-text,
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# and no restrictions on matching inside lines vs. line boundaries
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after_text = self.options.get('start-after', None)
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if after_text:
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# skip content in rawtext before *and incl.* a matching text
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after_index = rawtext.find(after_text)
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if after_index < 0:
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raise self.severe('Problem with "start-after" option of "%s" '
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'directive:\nText not found.' % self.name)
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rawtext = rawtext[after_index + len(after_text):]
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before_text = self.options.get('end-before', None)
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if before_text:
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# skip content in rawtext after *and incl.* a matching text
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before_index = rawtext.find(before_text)
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if before_index < 0:
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raise self.severe('Problem with "end-before" option of "%s" '
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'directive:\nText not found.' % self.name)
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rawtext = rawtext[:before_index]
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return {'parallel_read_safe': True, 'parallel_write_safe': True, 'version': '0.1'}
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include_lines = statemachine.string2lines(rawtext, tab_width,
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convert_whitespace=True)
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self.state_machine.insert_input(include_lines, path)
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return []
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