def test_base_path(self, commit):
reference_dir = "tiny-files/"
os.mkdir(reference_dir)
# three .file files in tiny-files/
for filename in ["tiny{}.file".format(i) for i in range(3)]:
with open(os.path.join(reference_dir, filename), 'wb') as f:
f.write(os.urandom(2**16))
sub_dir = "bin/"
os.mkdir(os.path.join(reference_dir, sub_dir))
# three .bin files in tiny-files/bin/
for filename in ["tiny{}.bin".format(i) for i in range(3)]:
with open(os.path.join(reference_dir, sub_dir, filename),
'wb') as f:
f.write(os.urandom(2**16))
# commit dataset blob
blob_path = "data"
dataset = verta.dataset.Path(
reference_dir,
base_path=reference_dir,
enable_mdb_versioning=True,
)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
# `reference_dir` was dropped as base path, so KeyError
with pytest.raises(KeyError):
dataset.download(reference_dir)
dirpath = dataset.download()
assert os.path.abspath(dirpath) != os.path.abspath(reference_dir)
assert_dirs_match(dirpath, reference_dir)
def test_mngd_ver_folder(self, commit):
reference_dir = "reference/"
dirname = "tiny-files/"
os.mkdir(dirname)
for filename in ["tiny{}.bin".format(i) for i in range(3)]:
with open(os.path.join(dirname, filename), 'wb') as f:
f.write(os.urandom(2**16))
blob_path = "data"
dataset = verta.dataset.Path(dirname, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
os.rename(dirname, reference_dir) # move sources to avoid collision
dataset = commit.get(blob_path)
# download to implicit path
dirpath = dataset.download(dirname)
assert os.path.isdir(dirpath)
assert dirpath == os.path.abspath(dirname)
assert_dirs_match(dirpath, reference_dir)
# download to implicit path without collision
dirpath2 = dataset.download(dirname)
assert os.path.isdir(dirpath2)
assert dirpath2 != dirpath
assert_dirs_match(dirpath2, reference_dir)
# download to explicit path with overwrite
last_updated = os.path.getmtime(dirpath)
dirpath3 = dataset.download(dirname, dirpath)
assert dirpath3 == dirpath
assert_dirs_match(dirpath3, reference_dir)
assert os.path.getmtime(dirpath) > last_updated
def test_mngd_ver_rollback(self, commit):
"""Recover a versioned file by loading a prior commit."""
filename = "tiny1.bin"
file1_contents = os.urandom(2**16)
with open(filename, 'wb') as f:
f.write(file1_contents)
blob_path = "data"
dataset = verta.dataset.Path(filename, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("First file.")
# new file with same name
os.remove(filename)
file2_contents = os.urandom(2**16)
with open(filename, 'wb') as f:
f.write(file2_contents)
dataset = verta.dataset.Path(filename, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Second file.")
# check latest commit's file
dataset = commit.get(blob_path)
new_filename = dataset.download(filename)
with open(new_filename, 'rb') as f:
assert f.read() == file2_contents
# recover previous commit's file
commit = commit.parent
dataset = commit.get(blob_path)
new_filename = dataset.download(filename)
with open(new_filename, 'rb') as f:
assert f.read() == file1_contents
def test_mngd_ver_file(self, commit):
filename = "tiny1.bin"
FILE_CONTENTS = os.urandom(2**16)
with open(filename, 'wb') as f:
f.write(FILE_CONTENTS)
blob_path = "data"
dataset = verta.dataset.Path(filename, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
os.remove(filename) # delete for first download test
dataset = commit.get(blob_path)
# download to implicit path
filepath = dataset.download(filename)
assert os.path.isfile(filepath)
assert filepath == os.path.abspath(filename)
with open(filepath, 'rb') as f:
assert f.read() == FILE_CONTENTS
# download to implicit path without collision
filepath2 = dataset.download(filename)
assert os.path.isfile(filepath2)
assert filepath2 != filepath
with open(filepath2, 'rb') as f:
assert f.read() == FILE_CONTENTS
# download to explicit path with overwrite
last_updated = os.path.getmtime(filepath)
filepath3 = dataset.download(filename, filepath)
assert filepath3 == filepath
with open(filepath3, 'rb') as f:
assert f.read() == FILE_CONTENTS
assert os.path.getmtime(filepath) > last_updated
def test_mngd_ver_folder(self, commit, in_tempdir):
boto3 = pytest.importorskip("boto3")
s3 = boto3.client('s3')
bucket = "verta-versioned-bucket"
dirname = "tiny-files/"
s3_folder = "s3://{}/{}".format(bucket, dirname)
blob_path = "data"
# get files' contents directly from S3 for reference
FILE_CONTENTS = dict() # filename to contents
for s3_obj in s3.list_objects_v2(Bucket=bucket, Prefix=dirname)['Contents']:
with tempfile.NamedTemporaryFile('wb', delete=False) as tempf:
s3.download_fileobj(bucket, s3_obj['Key'], tempf)
with open(tempf.name, 'rb') as f:
FILE_CONTENTS[os.path.basename(s3_obj['Key'])] = f.read()
os.remove(tempf.name)
assert FILE_CONTENTS
# commit dataset blob
dataset = verta.dataset.S3(s3_folder, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
# download to implicit path
dirpath = dataset.download(s3_folder)
assert os.path.isdir(dirpath)
assert dirpath == os.path.abspath(dirname)
for filename in os.listdir(dirpath):
with open(os.path.join(dirpath, filename), 'rb') as f:
assert f.read() == FILE_CONTENTS[filename]
# download to implicit path without collision
dirpath2 = dataset.download(s3_folder)
assert os.path.isdir(dirpath2)
assert dirpath2 != dirpath
for filename in os.listdir(dirpath):
with open(os.path.join(dirpath, filename), 'rb') as f:
assert f.read() == FILE_CONTENTS[filename]
# download to explicit path with overwrite
last_updated = os.path.getmtime(dirpath)
dirpath3 = dataset.download(s3_folder, dirpath)
assert dirpath3 == dirpath
for filename in os.listdir(dirpath):
with open(os.path.join(dirpath, filename), 'rb') as f:
assert f.read() == FILE_CONTENTS[filename]
assert os.path.getmtime(dirpath) > last_updated
def test_mngd_ver_to_sibling_dir(self, commit):
"""Download to sibling directory works as expected."""
child_dirname = "child"
os.mkdir(child_dirname)
sibling_dirname = "sibling"
os.mkdir(sibling_dirname)
filename = "tiny1.bin"
FILE_CONTENTS = os.urandom(2**16)
with utils.chdir(child_dirname):
with open(filename, 'wb') as f:
f.write(FILE_CONTENTS)
blob_path = "data"
dataset = verta.dataset.Path(filename, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("First file.")
dataset = commit.get(blob_path)
# download to sibling dir
download_to_path = os.path.join("..", sibling_dirname, filename)
filepath = dataset.download(filename, download_to_path)
assert os.path.isfile(filepath)
assert filepath == os.path.abspath(download_to_path)
with open(filepath, 'rb') as f:
assert f.read() == FILE_CONTENTS
def test_download_all(self, commit):
s3 = pytest.importorskip("boto3").client('s3')
bucket = "verta-versioned-bucket"
dirname = "tiny-files/"
s3_folder = "s3://{}/{}".format(bucket, dirname)
# get files' contents directly from S3 for reference
reference_dir = "reference/"
for s3_obj in s3.list_objects_v2(Bucket=bucket,
Prefix=dirname)['Contents']:
key = s3_obj['Key']
filepath = os.path.join(reference_dir, bucket, key)
pathlib2.Path(filepath).parent.mkdir(
parents=True, exist_ok=True) # create parent dirs
s3.download_file(bucket, key, filepath)
# commit dataset blob
blob_path = "data"
dataset = verta.dataset.S3(s3_folder, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
dirpath = dataset.download()
assert dirpath == os.path.abspath(_dataset.DEFAULT_DOWNLOAD_DIR)
assert os.path.isdir(dirpath)
assert_dirs_match(dirpath, reference_dir)
def test_concat(self, commit):
reference_dir = "tiny-files/"
os.mkdir(reference_dir)
# two .file files in tiny-files/
for filename in ["tiny{}.file".format(i) for i in range(2)]:
with open(os.path.join(reference_dir, filename), 'wb') as f:
f.write(os.urandom(2**16))
# create and concatenate datasets
dataset1 = verta.dataset.Path(
"tiny-files/tiny0.file",
enable_mdb_versioning=True,
)
dataset2 = verta.dataset.Path(
"tiny-files/tiny1.file",
enable_mdb_versioning=True,
)
dataset = dataset1 + dataset2
blob_path = "data"
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
dirpath = dataset.download()
dirpath = os.path.join(
dirpath, reference_dir) # "tiny-files/" nested in new dir
assert_dirs_match(dirpath, reference_dir)
def test_mngd_ver_folder(self, commit):
s3 = pytest.importorskip("boto3").client('s3')
bucket = "verta-versioned-bucket"
dirname = "tiny-files/"
s3_folder = "s3://{}/{}".format(bucket, dirname)
blob_path = "data"
# get files' contents directly from S3 for reference
reference_dir = "reference/"
for s3_obj in s3.list_objects_v2(Bucket=bucket,
Prefix=dirname)['Contents']:
key = s3_obj['Key']
filepath = os.path.join(reference_dir, key)
pathlib2.Path(filepath).parent.mkdir(
parents=True, exist_ok=True) # create parent dirs
s3.download_file(bucket, key, filepath)
# Since we're retrieving files with the S3 prefix `dirname`, the downloaded filetree won't
# start with `dirname`, so we have to go deeper for `reference_dir` to account for that.
reference_dir = os.path.join(reference_dir, dirname)
# commit dataset blob
dataset = verta.dataset.S3(s3_folder, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
# download to implicit path
dirpath = dataset.download(s3_folder)
assert os.path.isdir(dirpath)
assert dirpath == os.path.abspath(dirname)
assert_dirs_match(dirpath, reference_dir)
# download to implicit path without collision
dirpath2 = dataset.download(s3_folder)
assert os.path.isdir(dirpath2)
assert dirpath2 != dirpath
assert_dirs_match(dirpath2, reference_dir)
# download to explicit path with overwrite
last_updated = os.path.getmtime(dirpath)
dirpath3 = dataset.download(s3_folder, dirpath)
assert dirpath3 == dirpath
assert_dirs_match(dirpath3, reference_dir)
assert os.path.getmtime(dirpath) > last_updated
def test_mngd_ver_file(self, commit, in_tempdir):
boto3 = pytest.importorskip("boto3")
s3 = boto3.client('s3')
filename = "tiny1.bin"
bucket = "verta-versioned-bucket"
key = "tiny-files/{}".format(filename)
s3_key = "s3://{}/{}".format(bucket, key)
blob_path = "data"
# get file contents directly from S3 for reference
s3.download_file(bucket, key, filename)
with open(filename, 'rb') as f:
FILE_CONTENTS = f.read()
os.remove(filename)
# commit dataset blob
dataset = verta.dataset.S3(s3_key, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
# download to implicit path
filepath = dataset.download(s3_key)
assert os.path.isfile(filepath)
assert filepath == os.path.abspath(filename)
with open(filepath, 'rb') as f:
assert f.read() == FILE_CONTENTS
# download to implicit path without collision
filepath2 = dataset.download(s3_key)
assert os.path.isfile(filepath2)
assert filepath2 != filepath
with open(filepath2, 'rb') as f:
assert f.read() == FILE_CONTENTS
# download to explicit path with overwrite
last_updated = os.path.getmtime(filepath)
filepath3 = dataset.download(s3_key, filepath)
assert filepath3 == filepath
with open(filepath3, 'rb') as f:
assert f.read() == FILE_CONTENTS
assert os.path.getmtime(filepath) > last_updated
def test_mngd_ver_folder(self, commit, in_tempdir):
dirname = "tiny-files/"
os.mkdir(dirname)
FILE_CONTENTS = { # filename to contents
"tiny{}.bin".format(i): os.urandom(2**16)
for i in range(3)
}
for filename, contents in FILE_CONTENTS.items():
with open(os.path.join(dirname, filename), 'wb') as f:
f.write(contents)
blob_path = "data"
dataset = verta.dataset.Path(dirname, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
shutil.rmtree(dirname) # delete for first download test
dataset = commit.get(blob_path)
# download to implicit path
dirpath = dataset.download(dirname)
assert os.path.isdir(dirpath)
assert dirpath == os.path.abspath(dirname)
for filename in os.listdir(dirpath):
with open(os.path.join(dirpath, filename), 'rb') as f:
assert f.read() == FILE_CONTENTS[filename]
# download to implicit path without collision
dirpath2 = dataset.download(dirname)
assert os.path.isdir(dirpath2)
assert dirpath2 != dirpath
for filename in os.listdir(dirpath2):
with open(os.path.join(dirpath2, filename), 'rb') as f:
assert f.read() == FILE_CONTENTS[filename]
# download to explicit path with overwrite
last_updated = os.path.getmtime(dirpath)
dirpath3 = dataset.download(dirname, dirpath)
assert dirpath3 == dirpath
for filename in os.listdir(dirpath3):
with open(os.path.join(dirpath3, filename), 'rb') as f:
assert f.read() == FILE_CONTENTS[filename]
assert os.path.getmtime(dirpath) > last_updated
def test_not_to_s3_dir(self, commit):
"""If the user specifies "s3://", things shouldn't go into an "s3:" dir."""
bucket = "verta-versioned-bucket"
dirname = "tiny-files/"
s3_folder = "s3://{}/{}".format(bucket, dirname)
blob_path = "data"
# commit dataset blob
dataset = verta.dataset.S3(s3_folder, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
dirpath = dataset.download("s3://")
assert "s3:" not in pathlib2.Path(dirpath).parts
def test_download_all(self, commit):
reference_dir = "tiny-files/"
os.mkdir(reference_dir)
for filename in ["tiny{}.bin".format(i) for i in range(3)]:
with open(os.path.join(reference_dir, filename), 'wb') as f:
f.write(os.urandom(2**16))
# commit dataset blob
blob_path = "data"
dataset = verta.dataset.Path(reference_dir, enable_mdb_versioning=True)
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
dirpath = dataset.download()
assert dirpath == os.path.abspath(_dataset.DEFAULT_DOWNLOAD_DIR)
# uploaded filetree was recreated within `DEFAULT_DOWNLOAD_DIR`
destination_dir = os.path.join(_dataset.DEFAULT_DOWNLOAD_DIR,
reference_dir)
assert os.path.isdir(destination_dir)
assert_dirs_match(destination_dir, reference_dir)
def test_concat(self, commit):
s3 = pytest.importorskip("boto3").client('s3')
bucket1 = "verta-starter"
key1 = "models/model.pkl"
bucket2 = "verta-versioned-bucket"
key2 = "tiny-files/tiny2.bin"
# create dir for reference files
reference_dir = "reference"
filepath1 = os.path.join(reference_dir, bucket1, key1)
pathlib2.Path(filepath1).parent.mkdir(parents=True, exist_ok=True)
filepath2 = os.path.join(reference_dir, bucket2, key2)
pathlib2.Path(filepath2).parent.mkdir(parents=True, exist_ok=True)
# download files directly from S3 for reference
s3.download_file(bucket1, key1, filepath1)
s3.download_file(bucket2, key2, filepath2)
# create and concatenate datasets
dataset1 = verta.dataset.S3(
"s3://{}/{}".format(bucket1, key1),
enable_mdb_versioning=True,
)
dataset2 = verta.dataset.S3(
"s3://{}/{}".format(bucket2, key2),
enable_mdb_versioning=True,
)
dataset = dataset1 + dataset2
blob_path = "data"
commit.update(blob_path, dataset)
commit.save("Version data.")
dataset = commit.get(blob_path)
dirpath = dataset.download()
assert_dirs_match(dirpath, reference_dir)
