mirror of
https://github.com/zulip/zulip.git
synced 2026-06-18 21:01:52 +08:00
c89550cfa0
This commit adds a Markdown extension that allows the following
syntax,
{generate_code_example|<md_file_name>|<fixture or method>}
to generate code examples and fixtures found in tools/lib/api_tests.py
and templates/zerver/api/fixtures.json, respectively.
117 lines
3.8 KiB
Python
117 lines
3.8 KiB
Python
import re
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import os
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import sys
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import ujson
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import inspect
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from markdown.extensions import Extension
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from markdown.preprocessors import Preprocessor
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from typing import Any, Dict, Optional, List
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import markdown
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ZULIP_DIR = os.path.dirname(os.path.dirname(os.path.dirname(os.path.dirname(os.path.abspath(__file__)))))
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TOOLS_DIR = os.path.join(ZULIP_DIR, 'tools', 'lib')
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sys.path.insert(0, TOOLS_DIR)
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import api_tests
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REGEXP = re.compile(r'\{generate_code_example\|\s*(.+?)\s*\|\s*(.+?)\s*\}')
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PYTHON_CLIENT_CONFIG_LINES = """
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#!/usr/bin/env python3
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import zulip
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# Download ~/zuliprc-dev from your dev server
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client = zulip.Client(config_file="~/zuliprc-dev")
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"""
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class APICodeExamplesGenerator(Extension):
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def extendMarkdown(self, md: markdown.Markdown, md_globals: Dict[str, Any]) -> None:
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md.preprocessors.add(
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'generate_code_example', APICodeExamplesPreprocessor(md, self.getConfigs()), '_begin'
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)
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class APICodeExamplesPreprocessor(Preprocessor):
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def __init__(self, md: markdown.Markdown, config: Dict[str, Any]) -> None:
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super(APICodeExamplesPreprocessor, self).__init__(md)
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def run(self, lines: List[str]) -> List[str]:
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done = False
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while not done:
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for line in lines:
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loc = lines.index(line)
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match = REGEXP.search(line)
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if match:
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function = match.group(1)
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key = match.group(2)
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if key == 'fixture':
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text = self.render_fixture(function)
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elif key == 'method':
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text = self.render_code_example(function)
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# The line that contains the directive to include the macro
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# may be preceded or followed by text or tags, in that case
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# we need to make sure that any preceding or following text
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# stays the same.
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line_split = REGEXP.split(line, maxsplit=0)
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preceding = line_split[0]
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following = line_split[-1]
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text = [preceding] + text + [following]
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lines = lines[:loc] + text + lines[loc+1:]
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break
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else:
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done = True
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return lines
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def render_fixture(self, function: str) -> List[str]:
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fixture = []
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fixture_dict = api_tests.FIXTURES[function]
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fixture_json = ujson.dumps(fixture_dict, indent=4, sort_keys=True)
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fixture.append('```')
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fixture.extend(fixture_json.splitlines())
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fixture.append('```')
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return fixture
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def render_code_example(self, function: str) -> List[str]:
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method = api_tests.TEST_FUNCTIONS[function]
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function_source_lines = inspect.getsourcelines(method)[0]
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ce_regex = re.compile(r'\# \{code_example\|\s*(.+?)\s*\}')
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start = 0
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end = 0
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for line in function_source_lines:
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match = ce_regex.search(line)
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if match:
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if match.group(1) == 'start':
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start = function_source_lines.index(line)
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elif match.group(1) == 'end':
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end = function_source_lines.index(line)
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config = PYTHON_CLIENT_CONFIG_LINES.splitlines()
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snippet = function_source_lines[start + 1: end]
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code_example = []
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code_example.append('```')
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code_example.extend(config)
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for line in snippet:
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# Remove one level of indentation and strip newlines
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code_example.append(line[4:].rstrip())
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code_example.append('print(result)')
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code_example.append('```')
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return code_example
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def makeExtension(*args: Any, **kwargs: str) -> APICodeExamplesGenerator:
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return APICodeExamplesGenerator(kwargs)
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