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88 lines
3.5 KiB
88 lines
3.5 KiB
7 years ago
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# -*- coding: utf-8 -*-
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from __future__ import unicode_literals
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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, Directive
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from pelican.rstdirectives import Pygments
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class CodeInclude(Directive):
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required_arguments = 1
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optional_arguments = 0
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final_argument_whitespace = True
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option_spec = {'lexer': directives.unchanged,
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'encoding': directives.encoding,
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'tab-width': int,
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'start-line': int,
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'end-line': int}
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def run(self):
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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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path = directives.path(self.arguments[0])
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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 as error:
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raise self.severe('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('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('Problem with "%s" directive:\n%s' %
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(self.name, ErrorString(error)))
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include_lines = statemachine.string2lines(rawtext, tab_width,
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convert_whitespace=True)
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# default lexer to 'text'
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lexer = self.options.get('lexer', 'text')
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self.options['source'] = path
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codeblock = Pygments(self.name,
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[lexer], # arguments
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{}, # no options for this directive
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include_lines, # content
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self.lineno,
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self.content_offset,
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self.block_text,
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self.state,
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self.state_machine)
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return codeblock.run()
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def register():
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directives.register_directive('code-include', CodeInclude)
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