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# 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)
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