New upstream version 0.6.0+dfsg

1 files changed, 71 insertions, 0 deletions

diff --git a/silx/io/rawh5.py b/silx/io/rawh5.py
new file mode 100644
index 0000000..ceabbdb
--- /dev/null
+++ b/silx/io/rawh5.py
@@ -0,0 +1,71 @@
+# coding: utf-8
+# /*##########################################################################
+# Copyright (C) 2016-2017 European Synchrotron Radiation Facility
+#
+# Permission is hereby granted, free of charge, to any person obtaining a copy
+# of this software and associated documentation files (the "Software"), to deal
+# in the Software without restriction, including without limitation the rights
+# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+# copies of the Software, and to permit persons to whom the Software is
+# furnished to do so, subject to the following conditions:
+#
+# The above copyright notice and this permission notice shall be included in
+# all copies or substantial portions of the Software.
+#
+# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+# THE SOFTWARE.
+#
+# ############################################################################*/
+"""
+This module contains wrapper from file format to h5py. The exposed layout is
+as close as possible to the original file format.
+"""
+import numpy
+from . import commonh5
+import logging
+
+__authors__ = ["V. Valls"]
+__license__ = "MIT"
+__date__ = "21/09/2017"
+
+
+_logger = logging.getLogger(__name__)
+
+
+class _FreeDataset(commonh5.Dataset):
+
+    def _check_data(self, data):
+        """Release the constriants checked on types cause we can reach more
+        types than the one available on h5py, and it is not supposed to be
+        converted into h5py."""
+        chartype = data.dtype.char
+        if chartype in ["U", "O"]:
+            msg = "Dataset '%s' uses an unsupported type '%s'."
+            msg = msg % (self.name, data.dtype)
+            _logger.warning(msg)
+
+
+class NumpyFile(commonh5.File):
+    """
+    Expose a numpy file `npy`, or `npz` as an h5py.File-like.
+
+    :param str name: Filename to load
+    """
+    def __init__(self, name=None):
+        commonh5.File.__init__(self, name=name, mode="w")
+        np_file = numpy.load(name)
+        if hasattr(np_file, "close"):
+            # For npz (created using  by numpy.savez, numpy.savez_compressed)
+            for key, value in np_file.items():
+                self[key] = _FreeDataset(None, data=value)
+            np_file.close()
+        else:
+            # For npy (created using numpy.save)
+            value = np_file
+            dataset = _FreeDataset("data", data=value)
+            self.add_node(dataset)