Added support for traditional LoRa extract using LoCon script

jobs/process/ExtractLoraProcess.py

@@ -0,0 +1,52 @@
+from collections import OrderedDict
+from toolkit.lycoris_utils import extract_diff
+from .BaseExtractProcess import BaseExtractProcess
+
+mode_dict = {
+    'fixed': {
+        'dim': 4,
+        'type': int
+    }
+}
+
+CLAMP_QUANTILE = 0.99
+MIN_DIFF = 1e-6
+
+
+class ExtractLoraProcess(BaseExtractProcess):
+
+    def __init__(self, process_id: int, job, config: OrderedDict):
+        super().__init__(process_id, job, config)
+        self.mode = self.get_conf('mode', 'fixed')
+
+        # set modes
+        if self.mode not in ['fixed']:
+            raise ValueError(f"Unknown mode: {self.mode}")
+        self.dim = self.get_conf('dim', mode_dict[self.mode]['dim'], as_type=mode_dict[self.mode]['type'])
+        self.use_sparse_bias = self.get_conf('use_sparse_bias', False)
+        self.sparsity = self.get_conf('sparsity', 0.98)
+
+    def run(self):
+        super().run()
+        print(f"Running process: {self.mode}, dim: {self.dim}")
+
+        state_dict, extract_diff_meta = extract_diff(
+            self.job.base_model,
+            self.job.extract_model,
+            self.mode,
+            self.dim,
+            0,
+            self.job.device,
+            self.use_sparse_bias,
+            self.sparsity,
+            small_conv=False,
+            linear_only=True,
+        )
+
+        self.add_meta(extract_diff_meta)
+        self.save(state_dict)
+
+    def get_output_path(self, prefix=None, suffix=None):
+        if suffix is None:
+            suffix = f"_{self.dim}"
+        return super().get_output_path(prefix, suffix)