Add conversion utility for 20210209 version

utils/convert.py

@@ -0,0 +1,93 @@
+#!/usr/bin/env python
+# -*- coding: utf-8 -*-
+
+"""
+:Mod: convert
+
+:Synopsis:
+
+:Author:
+    servilla
+
+:Created:
+    2/9/21
+"""
+from datetime import date
+import json
+import logging
+import os
+from pathlib import Path
+
+import click
+import daiquiri
+
+
+cwd = os.path.dirname(os.path.realpath(__file__))
+logfile = cwd + "/convert.log"
+daiquiri.setup(level=logging.INFO,
+               outputs=(daiquiri.output.File(logfile), "stdout",))
+logger = daiquiri.getLogger(__name__)
+
+
+def to_20210209(model: dict):
+    for node in model:
+        model[node].insert(1, {"nsmap": {}})
+        model[node].insert(2, {"prefix": None})
+        model[node].insert(4, {"extras": {}})
+        model[node].insert(6, {"tail": None})
+        children = model[node][7]["children"]
+        for child in children:
+            to_20210209(child)
+
+
+recursive_help = "Recursively convert json files; requires 'path' be a directory"
+overwrite_help = "Overwrite JSON file(s) in place; otherwise make obvious copy"
+CONTEXT_SETTINGS = dict(help_option_names=["-h", "--help"])
+
+
+@click.command(context_settings=CONTEXT_SETTINGS)
+@click.argument("json_path", nargs=1, required=True)
+@click.option("-r", "--recursive", is_flag=True, default=False, help=recursive_help)
+@click.option("-o", "--overwrite", is_flag=True, default=False, help=overwrite_help)
+def main(json_path: str, recursive: bool, overwrite: bool):
+    """
+        Convert current Metapype JSON format to latest JSON format
+
+        \b
+            JSON_PATH: file system path to single JSON file or directory of JSON file(s)
+    """
+    jp = Path(json_path)
+    if not jp.exists:
+        msg = f"'{json_path}' does not exist"
+        raise IOError(msg)
+    else:
+        json_files = list()
+        if jp.is_file():
+            if jp.suffix == ".json":
+                json_files.append(json_path)
+            else:
+                msg = f"'{jp.name}' is not with 'json' extension"
+                raise IOError(msg)
+        elif recursive:
+            json_files = [_ for _ in jp.glob("**/*.json")]
+        else:
+            json_files = [_ for _ in jp.glob("*.json")]
+
+    for json_file in json_files:
+        with open(json_file, "r") as f:
+            model = json.loads(f.read())
+        to_20210209(model)
+        if not overwrite:
+            ext = date.today().strftime("%Y%m%d")
+            if Path(f"{json_file}.{ext}").exists():
+                msg = f"Previous version '{json_file}.{ext}' alread exists"
+                raise IOError(msg)
+            Path(json_file).replace(f"{json_file}.{ext}")
+        with open(json_file, "w") as f:
+            f.write(json.dumps(model, indent=2))
+
+    return 0
+
+
+if __name__ == "__main__":
+    main()