Files
memex/projects/org-json-bridge/org_bridge.py

55 lines
2.5 KiB
Python
Executable File

import subprocess
import json
import os
import argparse
from typing import Dict, Any, Optional
class OrgBridge:
def __init__(self, lisp_script_path: str = os.path.join(os.path.dirname(__file__), "org-json-bridge.el")):
self.lisp_path = os.path.abspath(lisp_script_path)
def _run_emacs_batch(self, command: str, *args) -> str:
"""Helper to execute the Emacs batch command with arguments."""
cmd = [
"emacs", "--batch",
"-l", self.lisp_path,
"--", command, *args
]
result = subprocess.run(cmd, capture_output=True, text=True, check=True)
return result.stdout.strip()
def parse_to_dict(self, file_path: str) -> Dict[str, Any]:
"""Reads an Org file and returns its AST as a Python Dictionary."""
abs_path = os.path.abspath(file_path)
json_output = self._run_emacs_batch("org-to-json", abs_path)
return json.loads(json_output)
def write_from_dict(self, ast_dict: Dict[str, Any], output_path: str):
"""Takes a Python Dictionary (AST) and writes it back to an Org file."""
json_input = json.dumps(ast_dict)
abs_output_path = os.path.abspath(output_path)
self._run_emacs_batch("json-to-org", json_input, abs_output_path)
if __name__ == "__main__":
parser = argparse.ArgumentParser(description="Org-mode to JSON bridge for programmatic manipulation.")
parser.add_argument("action", choices=["parse", "render"], help="Action to perform: 'parse' an Org file to JSON, or 'render' JSON to an Org file.")
parser.add_argument("--file-path", help="Path to the Org-mode file (required for 'parse' action).")
parser.add_argument("--json-input-file", help="Path to a JSON file containing the AST (required for 'render' action).")
parser.add_argument("--output-file", help="Path to output the Org-mode file (required for 'render' action).")
args = parser.parse_args()
bridge = OrgBridge()
if args.action == "parse":
if not args.file_path:
parser.error("--file-path is required for the 'parse' action.")
org_ast = bridge.parse_to_dict(args.file_path)
print(json.dumps(org_ast, indent=2))
elif args.action == "render":
if not args.json_input_file or not args.output_file:
parser.error("--json-input-file and --output-file are required for the 'render' action.")
with open(args.json_input_file, 'r') as f:
ast_dict = json.load(f)
bridge.write_from_dict(ast_dict, args.output_file)