almost all of backend migrated; restoration next

invokeai/backend/image_util/patchmatch.py

@@ -0,0 +1,44 @@
+'''
+This module defines a singleton object, "patchmatch" that
+wraps the actual patchmatch object. It respects the global
+"try_patchmatch" attribute, so that patchmatch loading can
+be suppressed or deferred
+'''
+from ldm.invoke.globals import Globals
+import numpy as  np
+
+class PatchMatch:
+    '''
+    Thin class wrapper around the patchmatch function.
+    '''
+
+    patch_match = None
+    tried_load:bool = False
+    
+    def __init__(self):
+        super().__init__()
+
+    @classmethod
+    def _load_patch_match(self):
+        if self.tried_load:
+            return
+        if Globals.try_patchmatch:
+            from patchmatch import patch_match as pm
+            if pm.patchmatch_available:
+                print('>> Patchmatch initialized')
+            else:
+                print('>> Patchmatch not loaded (nonfatal)')
+            self.patch_match = pm
+        else:
+            print('>> Patchmatch loading disabled')
+        self.tried_load = True
+
+    @classmethod
+    def patchmatch_available(self)->bool:
+        self._load_patch_match()
+        return self.patch_match and self.patch_match.patchmatch_available
+
+    @classmethod
+    def inpaint(self,*args,**kwargs)->np.ndarray:
+        if self.patchmatch_available():
+            return self.patch_match.inpaint(*args,**kwargs)