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adds get_instruments method to Layer class

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get_instruments returns a dictionary with the names of every system used
during the deposition
unfortunately, NeXus standard allows for a single value of all three
keys per every sample - not every layer
this means that every layer has its own data for laser, rheed system and
depo chamber which IDEALLY is the same for every layer, but in practice
they COULD be different and I still don't know how to deal with this
This commit is contained in:
Emanuele D'Amico
2026-02-13 00:32:31 +01:00
parent 23bfdefd30
commit f686ea65b1
1 changed files with 12 additions and 1 deletions
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13
src/classes.py
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@@ -16,8 +16,9 @@ class Layer:
self.extra = layer_data["metadata_decoded"]["extra_fields"]
self.layer_number = self.extra["Layer Progressive Number"]["value"] # integer
self.target_elabid = self.extra["Target"]["value"] # elabid
self.rheed_system_elabid = self.extra["RHEED System"]["value"] # elabid
self.laser_system_elabid = self.extra["Laser System"]["value"] # elabid
self.chamber_elabid = self.extra["Chamber"]["value"] # elabid
self.rheed_system_elabid = self.extra["RHEED System"]["value"] # elabid
self.start_time = layer_data.get("created_at")
self.operator = layer_data.get("fullname")
self.description = layer_data.get("body")
@@ -71,6 +72,16 @@ class Layer:
# Some keys are not required and can be called through the .get() method - which is permissive and allows null values;
# Other keys are required so if they can't be called (invalid or null) raise error and stop execution of the program:
raise KeyError(f"The provided dictionary lacks a \"{k}\" key. Check the deposition layer entry on eLabFTW and make sure you used the correct Experiment template.")
def get_instruments(self, apikey):
raw_lasersys_data = APIHandler(apikey).get_entry_from_elabid(self.laser_system_elabid, entryType="items")
raw_chamber_data = APIHandler(apikey).get_entry_from_elabid(self.chamber_elabid, entryType="items")
raw_rheedsys_data = APIHandler(apikey).get_entry_from_elabid(self.rheed_system_elabid, entryType="items")
instruments_used = {
"laser_system": raw_lasersys_data.get("title") or None,
"deposition_chamber": raw_chamber_data.get("title") or None,
"rheed_system": raw_rheedsys_data.get("title") or None,
}
return instruments_used
class Entrypoint:
'''