utf8 encoding

example.zip → data.zarr.zip

@@ -1,3 +1,3 @@
 version https://git-lfs.github.com/spec/v1
-oid sha256:72587c8172c62b3787af98643d94f0e1abd5da7657977bfd67a55ae4dca3e691
-size 18728
+oid sha256:772cd963b3cf2f5a2626b34bead078947b460829f5ca691eb1cd230d399efe76
+size 8029

test.py

@@ -2,6 +2,8 @@ import zarr
 import numpy as np
 import datasets
 import fsspec
+from huggingface_hub import HfFileSystem
+from fsspec.implementations.zip import ZipFileSystem
 
 
 
@@ -32,67 +34,83 @@ class ZarrTest:
 
     @staticmethod
     def create():
-        store = zarr.DirectoryStore('data.zarr')
-        root = zarr.group(store=store)
-        z1 = root.zeros('trace', shape=(100, 100), chunks=(100, 10), dtype='i1', overwrite=True)
+        store1 = zarr.DirectoryStore('data.zarr')
+        root1 = zarr.group(store=store1)
+        z1 = root1.zeros('trace', shape=(100, 100), chunks=(100, 10), dtype='i1', overwrite=True)
         z1[:] = 42
         z1[0, :] = np.arange(100)
         z1[:, 0] = np.arange(100)
-        z2 = root.zeros('plaintext', shape=100, dtype='u1', overwrite=True)
-        z3 = root.zeros('ciphertext', shape=100, dtype='u1', overwrite=True)
-        z4 = root.zeros('key', shape=100, dtype='u1', overwrite=True)
+        z2 = root1.zeros('plaintext', shape=100, dtype='u1', overwrite=True)
+        z3 = root1.zeros('ciphertext', shape=100, dtype='u1', overwrite=True)
+        z4 = root1.zeros('key', shape=100, dtype='u1', overwrite=True)
         z2[:] = 22
         z3[:] = 33
         z4[:] = 44
-        zarr.consolidate_metadata(store)
-        store.close()
+        zarr.consolidate_metadata(store1)
 
-        store = zarr.DirectoryStore('data.zarr')
-        root = zarr.group(store=store)
-        test = np.all(z1[:] == root['trace'][:])
+        store2 = zarr.DirectoryStore('data.zarr')
+        root2 = zarr.group(store=store2)
+        test = np.all(z1[:] == root2['trace'][:])
         print(test)
+        store1.close()
+        store2.close()
 
     @staticmethod
     def create_in_zip():
-        store = zarr.ZipStore('data/example.zip', mode='w')
-        root = zarr.group(store=store)
-        z1 = root.zeros('foo/bar', shape=(100, 100), chunks=(10, 10), dtype='i4')
+        store1 = zarr.ZipStore('data.zarr.zip')
+        root1 = zarr.group(store=store1)
+        z1 = root1.zeros('trace', shape=(100, 100), chunks=(100, 10), dtype='i1', overwrite=True)
         z1[:] = 42
         z1[0, :] = np.arange(100)
         z1[:, 0] = np.arange(100)
-        zarr.consolidate_metadata(store)
-        store.close()
-
-        store = zarr.ZipStore('data/example.zip', mode='r')
-        root = zarr.group(store=store)
-        z1 = root['foo/bar']
+        z2 = root1.zeros('plaintext', shape=100, dtype='u1', overwrite=True)
+        z3 = root1.zeros('ciphertext', shape=100, dtype='u1', overwrite=True)
+        z4 = root1.zeros('key', shape=100, dtype='u1', overwrite=True)
+        z2[:] = 22
+        z3[:] = 33
+        z4[:] = 44
+        zarr.consolidate_metadata(store1)
         print(z1[:])
-        store.close()
-
-    @staticmethod
-    def load_zip_partially():
-        """
-        delete all 0.* files in zip file
-        """
+        store1.close()
 
-        store = zarr.ZipStore('data/example.zip', mode='r')
-        root = zarr.open_consolidated(store)
-        z1 = root['foo/bar']
-        print(z1[:10])
-        print(z1[10:])
-        store.close()
+        store2 = zarr.ZipStore('data.zarr.zip')
+        root2 = zarr.open_consolidated(store2)
+        print(root2['trace'][:])
+        store2.close()
 
     @staticmethod
-    def load_zip_partially_from_hf():
+    def load_from_hf():
         """
         Note that we load data generated via create_in_zip to upload to HF
         """
         from datasets import load_dataset
         import datasets
-        ds = load_dataset("spikingneurons/test", streaming=True, trust_remote_code=True)
-        print(ds)
+        # ds = load_dataset("spikingneurons/test", streaming=True, trust_remote_code=True)
+        # print(ds)
+        _fs = HfFileSystem()
+        _files = _fs.ls("datasets/spikingneurons/test", detail=False)
+        print(_files)
+        # import xarray as xr
+        # _arr = xr.open_dataset('hf://datasets/spikingneurons/test/data.zarr', engine='zarr', chunks={})
+        from zarr.storage import FSStore
+        store = FSStore('hf://datasets/spikingneurons/test/data.zarr')
+        root = zarr.group(store=store)
+        # store = FSStore('zip://*::hf://datasets/spikingneurons/test/example.zip')
+        # store11 = FSStore('zip://hf://datasets/spikingneurons/test/example.zip')
+        # store22 = FSStore('zip+hf://datasets/spikingneurons/test/example.zip')
+        # store = zarr.DirectoryStore(UPath('hf://datasets/spikingneurons/test') / 'data.zarr')
+        # store1 = zarr.DirectoryStore('data.zarr')
+        # root1 = zarr.group(store=store1)
+        with fsspec.open('hf://datasets/spikingneurons/test/example.zip', 'rb', fs=HfFileSystem()) as zip_file:
+            _zip_fs = ZipFileSystem(zip_file)
+            store4 = FSStore(url="", fs=_zip_fs)
+            root4 = zarr.group(store=store4)
+            print(root4['foo']['bar'][:])
+        print(root['trace'][:, 0])
 
 ZarrTest.create()
+ZarrTest.create_in_zip()
+# ZarrTest.load_from_hf()
 # ZarrTest.load_zip_partially_from_hf()
 
 class Test(datasets.GeneratorBasedBuilder):