From b1cd0189bc30ed7c8dca6fb7bc3d248a056f3e15 Mon Sep 17 00:00:00 2001
From: Andray <light.and.ray@gmail.com>
Date: Sun, 17 Mar 2024 12:51:40 +0400
Subject: [PATCH] allow variants for extension name in metadata.ini

---
 modules/extensions.py | 42 ++++++++++++++++++++++++++++++++++++------
 1 file changed, 36 insertions(+), 6 deletions(-)

diff --git a/modules/extensions.py b/modules/extensions.py
index 88a389388..6a3c6c7ee 100644
--- a/modules/extensions.py
+++ b/modules/extensions.py
@@ -10,6 +10,10 @@ from modules import shared, errors, cache, scripts
 from modules.gitpython_hack import Repo
 from modules.paths_internal import extensions_dir, extensions_builtin_dir, script_path  # noqa: F401
 
+extensions: list[Extension] = []
+extension_paths: dict[str, Extension] = {}
+loaded_extensions: dict[str, Exception] = {}
+
 
 os.makedirs(extensions_dir, exist_ok=True)
 
@@ -50,7 +54,7 @@ class ExtensionMetadata:
         self.canonical_name = self.config.get("Extension", "Name", fallback=canonical_name)
         self.canonical_name = canonical_name.lower().strip()
 
-        self.requires = self.get_script_requirements("Requires", "Extension")
+        self.requires = None
 
     def get_script_requirements(self, field, section, extra_section=None):
         """reads a list of requirements from the config; field is the name of the field in the ini file,
@@ -62,7 +66,33 @@ class ExtensionMetadata:
         if extra_section:
             x = x + ', ' + self.config.get(extra_section, field, fallback='')
 
-        return self.parse_list(x.lower())
+        tmp_list = self.parse_list(x.lower())
+
+        if len(tmp_list) >= 3:
+            names_variants = []
+            i = 0
+            while i < len(tmp_list) - 2:
+                if tmp_list[i] != "|":
+                    names_variants.append([tmp_list[i]])
+                    i += 1
+                else:
+                    names_variants[-1].append(tmp_list[i + 1])
+                    i += 2
+            while i < len(tmp_list):
+                names_variants.append([tmp_list[i]])
+                i += 1
+
+            result_list = []
+
+            for name_variants in names_variants:
+                for variant in name_variants:
+                    if variant in loaded_extensions.keys():
+                        break
+                result_list.append(variant)
+        else:
+            result_list = tmp_list
+
+        return result_list
 
     def parse_list(self, text):
         """converts a line from config ("ext1 ext2, ext3  ") into a python list (["ext1", "ext2", "ext3"])"""
@@ -213,6 +243,7 @@ class Extension:
 def list_extensions():
     extensions.clear()
     extension_paths.clear()
+    loaded_extensions.clear()
 
     if shared.cmd_opts.disable_all_extensions:
         print("*** \"--disable-all-extensions\" arg was used, will not load any extensions ***")
@@ -223,7 +254,6 @@ def list_extensions():
     elif shared.opts.disable_all_extensions == "extra":
         print("*** \"Disable all extensions\" option was set, will only load built-in extensions ***")
 
-    loaded_extensions = {}
 
     # scan through extensions directory and load metadata
     for dirname in [extensions_builtin_dir, extensions_dir]:
@@ -250,6 +280,9 @@ def list_extensions():
             extension_paths[extension.path] = extension
             loaded_extensions[canonical_name] = extension
 
+    for extension in extensions:
+        extension.metadata.requires = extension.metadata.get_script_requirements("Requires", "Extension")
+
     # check for requirements
     for extension in extensions:
         if not extension.enabled:
@@ -279,6 +312,3 @@ def find_extension(filename):
 
     return None
 
-
-extensions: list[Extension] = []
-extension_paths: dict[str, Extension] = {}