fixed safetensors.py; moved scripts into scripts/

_safetensors.py

@@ -17,8 +17,6 @@ class WritingSafeTensors:
         self.weight_map[name] = self.file
         self.file.add(name, tensor)
         if self.file.size >= self.file_size:
-            import pdb; pdb.set_trace()
-            '''BUG WHERE ONE TENSOR IS DROPPED'''
             self.file.undo(name, tensor)
             ct = len(self.files)
             if len(self.files) == 1:
@@ -31,7 +29,7 @@ class WritingSafeTensors:
             self.file = self.File(f'{self.name}-{ct:05}.safetensors', index = ct)
             self.files[self.file.filename] = self.file
             self.file.add(name, tensor)
-            assert name in self.file.header
+            self.weight_map[name] = self.file
     def finalize(self):
         self.file.finalize()
         if len(self.files) > 1:
@@ -43,18 +41,23 @@ class WritingSafeTensors:
                 ct += 1
                 file.rename(f'{self.name}-{ct:05}-of-{tot:06}.safetensors')
             with open(index_name, 'w') as fh:
-                json.dump({
-                    'metadata': {
-                        **self.metadata,
-                        'total_size': self.total_size,
-                    },
-                    'weight_map': {
+                json.dump(
+                    {
+                        'metadata': {
+                            **{
+                                k: v if type(v) in [int, float, str, list, tuple, dict] else str(v)
+                                for k, v in self.metadata.items()
+                            },
+                            'total_size': self.total_size,
+                        },
+                        'weight_map': {
                             name: file.filename
                             for name, file in self.weight_map.items()
-                        }
+                        },
                     },
+                    fh,
                     indent = '\t',
-                }, fh)
+                )
         del self.file
         del self.files
         del self.metadata

scripts/README.md

@@ -0,0 +1,2 @@
+Note that most of this functionality is available in the huggingface-cli
+command and normative huggingface workflows.

scripts/lfs_add.bash

@@ -0,0 +1,19 @@
+# manually add a passed list of files to the local LFS store in a parallel manner bypassing filter-process
+
+export GIT_DIR=$(git rev-parse --git-dir)
+[ -d "$GIT_DIR" ] || exit -1
+
+parallel -j1 -i bash -vx -c '\
+	sha=$(pv -c "{}" 2>/dev/tty | sha256sum | cut -d \  -f 1);\
+	size=$(($(stat -c %s "{}")));\
+	if (( size > 1024 )); then\
+		dir="$GITDIR"/lfs/objects${sha:0:2}/${sha:2:2}/;\
+		mkdir -p "$dir";\
+		mv "{}" "$dir"/${sha} && {\
+			echo version https://git-lfs.github.com/spec/v1;\
+			echo oid sha256:"$sha";\
+			echo size "$size";\
+		} > "{}" &&\
+	git add "{}" || { mv "$dir"/${sha} "{}"; false; };\
+	fi'\
+	-- "$@"

scripts/verify_index_tensors.py

@@ -0,0 +1,40 @@
+#!/usr/bin/env python3
+import json, safetensors, os, sys, tqdm
+
+index_filename, = sys.argv[1:]
+
+with open(index_filename) as fh:
+    index = json.load(fh)
+
+weight_map = index['weight_map']
+
+filenames = set(weight_map.values())
+total_size = sum([os.stat(fn).st_size for fn in filenames])
+
+PASS = True
+
+if total_size != index['metadata']['total_size']:
+    PASS = False
+    print(f"Wrong total_size in index. stored={index['metadata']['total_size']} correct={total_size}")
+
+for filename in tqdm.tqdm(filenames, desc=index_filename, unit='f'):
+    f = safetensors.safe_open(filename, framework='pt')
+    index_keys = set([k for k, fn in weight_map.items() if fn == filename])
+    file_keys = set(f.keys())
+    if file_keys != index_keys:
+        PASS = False
+        for in_file in (file_keys - index_keys):
+            print()
+            print('{in_file} present in {filename} but not {index_filename}')
+            print()
+        for in_index in (index_keys - file_keys):
+            print()
+            print('{in_file} present in {index_filename} but not {index_filename}')
+            print()
+
+if PASS:
+    print('index content matches safetensors content.')
+    sys.exit(0)
+else:
+    print('index content MISMSATCHES safetensors content.')
+    sys.exit(-1)