split codebase into multiple files; to anyone this affects negatively: sorry

modules/paths.py

@@ -0,0 +1,21 @@
+import argparse
+import os
+import sys
+
+script_path = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
+sys.path.insert(0, script_path)
+
+# use current directory as SD dir if it has related files, otherwise parent dir of script as stated in guide
+sd_path = os.path.abspath('.') if os.path.exists('./ldm/models/diffusion/ddpm.py') else os.path.dirname(script_path)
+
+# add parent directory to path; this is where Stable diffusion repo should be
+path_dirs = [
+    (sd_path, 'ldm', 'Stable Diffusion'),
+    (os.path.join(sd_path, '../taming-transformers'), 'taming', 'Taming Transformers')
+]
+for d, must_exist, what in path_dirs:
+    must_exist_path = os.path.abspath(os.path.join(script_path, d, must_exist))
+    if not os.path.exists(must_exist_path):
+        print(f"Warning: {what} not found at path {must_exist_path}", file=sys.stderr)
+    else:
+        sys.path.append(os.path.join(script_path, d))