Loads of work on localization

Also updated some of the operator UI to use the new panels

localization/.gitignore

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+artifacts

localization/stringscan.py

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+import ast
+import glob
+import os
+
+# Walk the directory and open all .py files using glob
+strings = set()
+for file in glob.glob('../io_scene_psk_psa/**/*.py', recursive=True):
+    print(file)
+    with open(os.path.join(file), 'r') as f:
+        if file.endswith('i18n.py'):
+            # TODO: Don't parse the i18n files.
+            continue
+        # Walk the entire tree and build a list of all string literals.
+        try:
+            a = ast.parse(f.read())
+            for node in ast.walk(a):
+                if isinstance(node, ast.Constant) and isinstance(node.value, str):
+                    strings.add(node.s)
+        except UnicodeDecodeError as e:
+            print(f'Error reading file {file}: {e}')
+
+# Remove all strings that are empty or contain only whitespace.
+strings = set(filter(lambda x: x.strip(), strings))
+
+# Remove all strings that have no alphabetic characters.
+strings = set(filter(lambda x: any(c.isalpha() for c in x), strings))
+
+# Remove any strings that have '@return: ' in them.
+strings = set(filter(lambda x: '@return: ' not in x, strings))
+
+# Remove any strings that are entirely lowercase and have no whitespace.
+strings = set(filter(lambda x: not x.islower() or ' ' in x, strings))
+
+# Remove any strings that are in SCREAMING_SNAKE_CASE.
+strings = set(filter(lambda x: not x.isupper(), strings))
+
+# Remove any strings that have underscores.
+strings = set(filter(lambda x: '_' not in x, strings))
+
+# Remove any string that starts with a newline.
+strings = set(filter(lambda x: not x.startswith('\n'), strings))
+
+# Remove any string that looks like a regular expression.
+strings = set(filter(lambda x: not any(c in x for c in '^'), strings))
+
+# Convert the set to a list and sort it.
+strings = list(strings)
+strings.sort()
+
+def write_multiline_string(f, string):
+    f.write(f'msgid ""\n')
+    for line in string.split('\n'):
+        f.write(f'"{line}"\n')
+    f.write('msgstr ""\n\n')
+
+# TODO: big brain move would be to load the translated Blender strings and remove any that are already translated
+# instead of manually removing them.
+exclude_strings = {
+    'Import-Export',
+    'Linear',
+    'Masked',
+    'Normal',
+    'Placeholder',
+    'Flat',
+    'Environment',
+    'Advanced',
+    'Action',
+    'All',
+    'Assets',
+    'Armature',
+    'Materials'
+    'Bones',
+    'Custom',
+    'Data',
+    'Colin Basnett, Yurii Ti',
+    'Invert',
+    'Keyframes', # maybe?
+    'Mesh',
+    'None',
+    'Options',
+    'Overwrite',
+    'Scale',
+    'Scene',
+    'Select',
+    'RemoveTracks'
+    'Source',
+    'Stash',
+    'Move Up',
+    'Move Down',
+    'Unassigned',
+    'Prefix',
+    'Suffix',
+    'Timeline Markers',
+    'Pose Markers',
+    'Actions'
+}
+
+# Remove any strings that are in the exclude_strings set.
+strings = set(filter(lambda x: x not in exclude_strings, strings))
+
+with open('./artifacts/io_scene_psk_psa.en.po', 'w') as f:
+    # Write the header (language, mime-version, content-type & content-transfer-encoding).
+    f.write('msgid ""\n'
+            'msgstr ""\n'
+            '"Language: en\\n"\n'
+            '"MIME-Version: 1.0\\n"\n'
+            '"Content-Type: text/plain\\n"\n'
+            '"Content-Transfer-Encoding: 8bit; charset=UTF-8\\n"\n\n'
+            )
+    for string in strings:
+        if is_multi_line := '\n' in string:
+            f.write(f'msgid ""\n')
+            # Split the string into lines and write each line as a separate msgid.
+            for line in string.split('\n'):
+                f.write(f'"{line}"\n')
+            f.write(f'msgstr ""\n')
+            # Split the string into lines and write each line as a separate msgid.
+            for line in string.split('\n'):
+                f.write(f'"{line}"\n')
+        else:
+            f.write(f'msgid "{string}"\n')
+            f.write(f'msgstr "{string}"\n')
+        f.write('\n')
+
+# Print the # of strings.
+print(f'Found {len(strings)} strings.')
+
+# Zip the file.
+import zipfile
+
+with zipfile.ZipFile('./artifacts/io_scene_psk_psa.po.zip', 'w') as z:
+    z.write('./artifacts/io_scene_psk_psa.en.po')