mirror of https://github.com/zulip/zulip.git
135 lines
4.8 KiB
Python
135 lines
4.8 KiB
Python
import re
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import os
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import ujson
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from markdown.extensions import Extension
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from markdown.preprocessors import Preprocessor
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from zerver.lib.openapi import get_openapi_parameters
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from typing import Any, Dict, Optional, List
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import markdown
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REGEXP = re.compile(r'\{generate_api_arguments_table\|\s*(.+?)\s*\|\s*(.+)\s*\}')
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class MarkdownArgumentsTableGenerator(Extension):
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def __init__(self, configs: Optional[Dict[str, Any]]=None) -> None:
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if configs is None:
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configs = {}
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self.config = {
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'base_path': ['.', 'Default location from which to evaluate relative paths for the JSON files.'],
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}
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for key, value in configs.items():
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self.setConfig(key, value)
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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_api_arguments', APIArgumentsTablePreprocessor(md, self.getConfigs()), '_begin'
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)
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class APIArgumentsTablePreprocessor(Preprocessor):
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def __init__(self, md: markdown.Markdown, config: Dict[str, Any]) -> None:
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super(APIArgumentsTablePreprocessor, self).__init__(md)
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self.base_path = config['base_path']
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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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filename = match.group(1)
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doc_name = match.group(2)
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filename = os.path.expanduser(filename)
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is_openapi_format = filename.endswith('.yaml')
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if not os.path.isabs(filename):
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parent_dir = self.base_path
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filename = os.path.normpath(os.path.join(parent_dir, filename))
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try:
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if is_openapi_format:
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endpoint, method = doc_name.rsplit(':', 1)
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arguments = get_openapi_parameters(endpoint, method)
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else:
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with open(filename, 'r') as fp:
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json_obj = ujson.load(fp)
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arguments = json_obj[doc_name]
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text = self.render_table(arguments)
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except Exception as e:
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print('Warning: could not find file {}. Ignoring '
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'statement. Error: {}'.format(filename, e))
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# If the file cannot be opened, just substitute an empty line
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# in place of the macro include line
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lines[loc] = REGEXP.sub('', line)
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break
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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_table(self, arguments: List[Dict[str, Any]]) -> List[str]:
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table = []
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beginning = """
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<table class="table">
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<thead>
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<tr>
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<th>Argument</th>
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<th>Example</th>
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<th>Required</th>
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<th>Description</th>
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</tr>
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</thead>
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<tbody>
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"""
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tr = """
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<tr>
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<td><code>{argument}</code></td>
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<td><code>{example}</code></td>
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<td>{required}</td>
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<td>{description}</td>
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</tr>
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"""
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table.append(beginning)
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md_engine = markdown.Markdown(extensions=[])
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for argument in arguments:
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oneof = ['`' + item + '`'
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for item in argument.get('schema', {}).get('enum', [])]
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description = argument['description']
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if oneof:
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description += '\nMust be one of: {}.'.format(', '.join(oneof))
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# TODO: Swagger allows indicating where the argument goes
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# (path, querystring, form data...). A column in the table should
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# be added for this.
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table.append(tr.format(
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argument=argument.get('argument') or argument.get('name'),
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example=argument['example'],
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required='Yes' if argument.get('required') else 'No',
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description=md_engine.convert(description),
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))
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table.append("</tbody>")
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table.append("</table>")
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return table
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def makeExtension(*args: Any, **kwargs: str) -> MarkdownArgumentsTableGenerator:
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return MarkdownArgumentsTableGenerator(kwargs)
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