From c7fa5bd40d0e5c9ea50190a90a0ccfee8ad96c25 Mon Sep 17 00:00:00 2001
From: pacien
Date: Thu, 27 Feb 2020 21:05:51 +0100
Subject: viewer: use colon as tag separator instead of dot

For consistency with the query language
and allowing the use of the very common dot in tags.

This also introduces a migration script.

GitHub: closes #164
---
 scripts/migrate_tags_dot_to_colon.py | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100755 scripts/migrate_tags_dot_to_colon.py

(limited to 'scripts')

diff --git a/scripts/migrate_tags_dot_to_colon.py b/scripts/migrate_tags_dot_to_colon.py
new file mode 100755
index 0000000..bf56c4c
--- /dev/null
+++ b/scripts/migrate_tags_dot_to_colon.py
@@ -0,0 +1,25 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i python -p "python3.withPackages (ps: with ps; [ruamel_yaml])"
+
+from argparse import ArgumentParser
+from ruamel.yaml import YAML
+from collections.abc import Iterable
+
+parser = ArgumentParser(description='Converts tag separator from dot to colon in sidecar files, easing migration after GH-164.')
+parser.add_argument('file', type=str, nargs='+', help='YAML sidecar file(s) to migrate.')
+args = parser.parse_args()
+
+yaml = YAML(typ='rt')  # preserve order, style and comments
+yaml.indent(mapping=2, sequence=2, offset=2)
+
+for file_path in args.file:
+  with open(file_path, 'r+') as file:
+    sidecar = yaml.load(file)
+    if not sidecar: continue
+
+    if 'tags' in sidecar and isinstance(sidecar['tags'], Iterable):
+      sidecar['tags'] = [tag.replace('.', ':') for tag in sidecar['tags']]
+
+    file.seek(0)
+    yaml.dump(sidecar, file)
+    file.truncate()
-- 
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