ESRF ID23-2 support

newsfragments/651.feature

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+Add support for Eiger 9M on ESRF ID23-2, which has an undeclared vertical goniometer.

src/dxtbx/format/FormatNXmxEigerFilewriterESRFID232.py

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+from __future__ import annotations
+
+import re
+
+import h5py
+
+from dxtbx.format.FormatNXmxEigerFilewriter import FormatNXmxEigerFilewriter
+
+DATA_FILE_RE = re.compile(r"data_\d{6}")
+
+
+class FormatNXmxEigerFilewriterESRFID232(FormatNXmxEigerFilewriter):
+ _cached_file_handle = None
+
+ @staticmethod
+ def understand(image_file):
+ with h5py.File(image_file) as handle:
+ if "/entry/instrument/detector/detector_number" in handle:
+ if (
+ handle["/entry/instrument/detector/detector_number"][()]
+ == b"E-18-0133"
+ ):
+ return True
+ return False
+
+ def __init__(self, image_file, **kwargs):
+ """Initialise the image structure from the given file."""
+ super().__init__(image_file, **kwargs)
+
+ def _start(self):
+ super()._start()
+
+ def _goniometer(self):
+ return self._goniometer_factory.known_axis((0, 1, 0))