mirror of https://github.com/akuker/RASCSI.git
51 lines
1.5 KiB
Python
51 lines
1.5 KiB
Python
"""
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Module for RaSCSI device management utility methods
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"""
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def get_valid_scsi_ids(devices, reserved_ids):
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"""
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Takes a list of (dict)s devices, and list of (int)s reserved_ids.
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Returns:
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- (list) of (int)s valid_ids, which are the SCSI ids that are not reserved
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- (int) recommended_id, which is the id that the Web UI should default to recommend
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"""
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occupied_ids = []
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for device in devices:
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occupied_ids.append(device["id"])
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unoccupied_ids = [i for i in list(range(8)) if i not in reserved_ids + occupied_ids]
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unoccupied_ids.sort()
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valid_ids = [i for i in list(range(8)) if i not in reserved_ids]
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valid_ids.sort(reverse=True)
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if unoccupied_ids:
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recommended_id = unoccupied_ids[-1]
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else:
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recommended_id = occupied_ids.pop(0)
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return valid_ids, recommended_id
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def sort_and_format_devices(devices):
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"""
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Takes a (list) of (dict)s devices and returns a (list) of (dict)s.
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Sorts by SCSI ID acending (0 to 7).
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For SCSI IDs where no device is attached, inject a (dict) with placeholder text.
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"""
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occupied_ids = []
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for device in devices:
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occupied_ids.append(device["id"])
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formatted_devices = devices
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# Add padding devices and sort the list
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for i in range(8):
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if i not in occupied_ids:
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formatted_devices.append({"id": i, "device_type": "-", \
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"status": "-", "file": "-", "product": "-"})
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# Sort list of devices by id
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formatted_devices.sort(key=lambda dic: str(dic["id"]))
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return formatted_devices
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