# https://stackoverflow.com/questions/7250659/how-to-use-python-to-programmatically-generate-part-of-sphinx-documentation/18143318 import sys from os.path import basename try: from StringIO import StringIO except ImportError: from io import StringIO from docutils.parsers.rst import Directive from docutils import nodes, statemachine class ExecDirective(Directive): """Execute the specified python code and insert the output into the document""" has_content = True def run(self): oldStdout, sys.stdout = sys.stdout, StringIO() tab_width = self.options.get('tab-width', self.state.document.settings.tab_width) source = self.state_machine.input_lines.source(self.lineno - self.state_machine.input_offset - 1) try: exec('\n'.join(self.content)) text = sys.stdout.getvalue() lines = statemachine.string2lines(text, tab_width, convert_whitespace=True) self.state_machine.insert_input(lines, source) return [] except Exception: return [nodes.error(None, nodes.paragraph(text = "Unable to execute python code at %s:%d:" % (basename(source), self.lineno)), nodes.paragraph(text = str(sys.exc_info()[1])))] finally: sys.stdout = oldStdout def setup(app): app.add_directive('exec', ExecDirective) wrt-18.06 upstream openwrtJames
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