Add trigger word completion using the model-keyword extension

Works for both the built-in and user defined list
Restructure some of the python helper for path reusability

scripts/shared_paths.py

@@ -0,0 +1,47 @@
+from pathlib import Path
+from modules import scripts, shared
+
+try:
+    from modules.paths import extensions_dir, script_path
+
+    # Webui root path
+    FILE_DIR = Path(script_path)
+
+    # The extension base path
+    EXT_PATH = Path(extensions_dir)
+except ImportError:
+    # Webui root path
+    FILE_DIR = Path().absolute()
+    # The extension base path
+    EXT_PATH = FILE_DIR.joinpath('extensions')
+
+# Tags base path
+TAGS_PATH = Path(scripts.basedir()).joinpath('tags')
+
+# The path to the folder containing the wildcards and embeddings
+WILDCARD_PATH = FILE_DIR.joinpath('scripts/wildcards')
+EMB_PATH = Path(shared.cmd_opts.embeddings_dir)
+HYP_PATH = Path(shared.cmd_opts.hypernetwork_dir)
+
+try:
+    LORA_PATH = Path(shared.cmd_opts.lora_dir)
+except AttributeError:
+    LORA_PATH = None
+    
+try:
+    LYCO_PATH = Path(shared.cmd_opts.lyco_dir)
+except AttributeError:
+    LYCO_PATH = None
+
+def find_ext_wildcard_paths():
+    """Returns the path to the extension wildcards folder"""
+    found = list(EXT_PATH.glob('*/wildcards/'))
+    return found
+
+
+# The path to the extension wildcards folder
+WILDCARD_EXT_PATHS = find_ext_wildcard_paths()
+
+# The path to the temporary files
+STATIC_TEMP_PATH = FILE_DIR.joinpath('tmp') # In the webui root, on windows it exists by default, on linux it doesn't
+TEMP_PATH = TAGS_PATH.joinpath('temp') # Extension specific temp files