This scritps renames daily files from Roam Research format to a given obsidian format.

roam-to-obsidian.py

"""
This script renames the daily files from roam research
to an specified format - 1900-12-25-Sunday.md

Change the default_date_fmt to your required Daily Note Format

Usage:
--------
pip install typer[all]

Usage: roam-to-obsidian.py [OPTIONS] PATH [NEW_FILE_DIR] [NEW_FILE_FORMAT]...
                            [NEW_FILE_EXT] [DRY_RUN]

╭─ Arguments ────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╮
│ *    path                 TEXT                  path to folder with markdown files from roam [default: None] [required]                                                            │
│      new_file_dir         [NEW_FILE_DIR]        parent folder of all new files [default: Timestamps]                                                                               │
│      new_file_format      [NEW_FILE_FORMAT]...  parent folder of all new files [default: None]                                                                                     │
│      new_file_ext         [NEW_FILE_EXT]        file ext for new files (".md", ".txt") [default: .md]                                                                              │
│      dry_run              [DRY_RUN]             do a dry run [default: True]                                                                                                       │
╰────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────╯
"""

from pathlib import Path
import re
import datetime

import typer
from typer import Typer
import typing

app = Typer()


# create relevant directories
def ensure(path):
    path.parent.mkdir(parents=True, exist_ok=True)
    return path


def get_new_filename(new_file_date: datetime.datetime,
                     new_file_dir: str,
                     new_file_format: typing.List,
                     file_ext: str = "md") -> str:
    res = []
    res.append(new_file_dir)
    for file_format in new_file_format:
        res.append(new_file_date.strftime(file_format))

    return "/".join(res) + file_ext


@app.command()
def rename_files(path: str = typer.Argument(..., help="path to folder with markdown files from roam"),
                 new_file_dir: str =  typer.Argument("Timestamps", help="parent folder of all new files"),
                 new_file_format: typing.List[str] = typer.Argument(None, help="date formats for folder/filename"),
                 new_file_ext: str = typer.Argument(".md", help='file ext for new files (".md", ".txt")'),
                 dry_run: bool = typer.Argument(True, help="do a dry run")):

    datadir = Path(path)
    roam_file_fmt = re.compile(r"(\w+) (\d{1,2})\w{2}, (\d{4})")
    file_renamed = 0

    if not new_file_format:
        new_file_format = ["%Y", "%m-%B", "%Y-%m-%d-%A"]
    for file in datadir.glob("*.md"):
        groups = roam_file_fmt.match(str(file.name))
        if groups:
            file_renamed += 1
            new_file_date = datetime.datetime.strptime(f"{groups[3]}-{groups[1]}-{groups[2]}","%Y-%B-%d")
            new_file_name = datadir / get_new_filename(new_file_date, new_file_dir, new_file_format, new_file_ext)
            print(str(new_file_name))
            if not dry_run:
                file.rename(ensure(new_file_name))

    res = {"# file renamed": file_renamed}
    if dry_run:
        res["action"] = f"None - set dry-run to False to rename {file_renamed} files"
    else:
        res["action"] = f"Renamed {file_renamed} files"
    print(res)
    return str(res)


if __name__ == "__main__":
    app()