Correctly restore hypernetwork from hash

modules/generation_parameters_copypaste.py

@@ -14,6 +14,7 @@ re_param_code = r'\s*([\w ]+):\s*("(?:\\|\"|[^\"])+"|[^,]*)(?:,|$)'
 re_param = re.compile(re_param_code)
 re_params = re.compile(r"^(?:" + re_param_code + "){3,}$")
 re_imagesize = re.compile(r"^(\d+)x(\d+)$")
+re_hypernet_hash = re.compile("\(([0-9a-f]+)\)$")
 type_of_gr_update = type(gr.update())
 paste_fields = {}
 bind_list = []
@@ -139,6 +140,30 @@ def run_bind():
             )
 
 
+def find_hypernetwork_key(hypernet_name, hypernet_hash=None):
+    """Determines the config parameter name to use for the hypernet based on the parameters in the infotext.
+
+    Example: an infotext provides "Hypernet: ke-ta" and "Hypernet hash: 1234abcd". For the "Hypernet" config
+    parameter this means there should be an entry that looks like "ke-ta-10000(1234abcd)" to set it to.
+
+    If the infotext has no hash, then a hypernet with the same name and the most steps will be selected instead.
+    """
+    hypernet_name = hypernet_name.lower()
+    if hypernet_hash is not None:
+        # Try to match the hash in the name
+        for hypernet_key in shared.hypernetworks.keys():
+            result = re_hypernet_hash.search(hypernet_key)
+            if result is not None and result[1] == hypernet_hash:
+                return hypernet_key
+    else:
+        # Fall back to a hypernet with the same name
+        for hypernet_key in shared.hypernetworks.keys():
+            if hypernet_key.lower().startswith(hypernet_name):
+                return hypernet_key
+
+    return None
+
+
 def parse_generation_parameters(x: str):
     """parses generation parameters string, the one you see in text field under the picture in UI:
 ```
@@ -188,6 +213,11 @@ Steps: 20, Sampler: Euler a, CFG scale: 7, Seed: 965400086, Size: 512x512, Model
     if "Clip skip" not in res:
         res["Clip skip"] = "1"
 
+    if "Hypernet" in res:
+        hypernet_name = res["Hypernet"]
+        hypernet_hash = res.get("Hypernet hash", None)
+        res["Hypernet"] = find_hypernetwork_key(hypernet_name, hypernet_hash)
+
     return res