Files
eXParser-PLD/src/main.py
PioApocalypse d83873c763 raises IndexError if no laser, rheed sys. or chamber is ever specified
i.e. if one or more of these fields aren't specified thru all layers
2026-02-17 14:54:33 +01:00

425 lines
22 KiB
Python

import os, json, requests, h5py
from getpass import getpass
from APIHandler import APIHandler
from classes import *
def call_entrypoint_from_elabid(elabid):
'''
Calls an entrypoint sample from eLabFTW using its elabid, then returns an object of the Entrypoint class.
If the entry is not a sample (category_title not matching exactly "Sample") returns ValueError.
'''
try:
sample_data = APIHandler(apikey).get_entry_from_elabid(elabid, entryType="items")
if not sample_data.get("category_title") == "Sample":
raise ValueError("The resource you selected is not a sample, therefore it can't be used as an entrypoint.")
sample_object = Entrypoint(sample_data)
except ConnectionError as e:
raise ConnectionError(e)
return sample_object # Entrypoint-class object
def call_material_from_elabid(elabid):
'''
Calls a material from eLabFTW using its elabid, then returns an object of the Material class.
If the entry is neither a PLD Target or a Substrate batch returns ValueError. Such entries always have a category_title key with its value matching exactly "PLD Target" or "Substrate".
Because of an old typo, the value "Subtrate" (second 's' is missing) is also accepted.
'''
try:
material_data = APIHandler(apikey).get_entry_from_elabid(elabid, entryType="items")
material_category = material_data.get("category_title")
# TO-DO: correct this typo on elabftw: Subtrate → Substrate.
if not material_category in ["PLD Target", "Substrate", "Subtrate"]:
print(f"Category of the resource: {material_category}.")
raise ValueError(f"The referenced resource (elabid = {elabid}) is not a material.")
elif material_category == "PLD Target":
material_object = Target(material_data)
else:
material_object = Substrate(material_data)
except ConnectionError as e:
raise ConnectionError(e)
return material_object # Material-class object
def call_layers_from_list(elabid_list):
'''
Calls a list of (PLD deposition) experiments from eLabFTW using their elabid - which means the input must be a list of integers instead of a single one - then returns a list of Layer-class objects.
If one of the entries is not related to a deposition layer (category_title not matching exactly "PLD Deposition") that entry is skipped, with no error raised.
'''
list_of_layers = []
for elabid in elabid_list:
try:
layer_data = APIHandler(apikey).get_entry_from_elabid(elabid, entryType="experiments")
if not layer_data.get("category_title") == "PLD Deposition":
continue
layer_object = Layer(layer_data)
list_of_layers.append(layer_object)
except ConnectionError as e:
nums = [ layer.layer_number for layer in list_of_layers ]
nums.sort()
print(f"LIST OF THE LAYERS PROCESSED (unordered):\n" + str(nums))
raise ConnectionError(f"An error occurred while fetching the experiment with elabid = {elabid}:\n" +
str(e) + f"\nPlease solve the problem before retrying." + "\n\n" +
f"Last resource attempted to call: {ELABFTW_API_URL}/experiments/{elabid}"
)
return list_of_layers # list of Layer-class objects
def chain_entrypoint_to_batch(sample_object):
'''
Takes an Entrypoint-class object, looks at its .batch_elabid attribute and returns a Material-class object containing data on the substrate batch associated to the starting sample.
Dependency: call_material_from_elabid.
'''
material_elabid = sample_object.batch_elabid
material_object = call_material_from_elabid(material_elabid)
return material_object
def chain_entrypoint_to_layers(sample_object):
'''
Takes an Entrypoint-class object, looks at its .linked_experiments_elabid attribute (list) and returns a list of Layer-class objects containing data on the deposition layers associated to the starting sample - using the function call_layers_from_list.
The list is sorted by progressive layer number (layer_number attribute).
Dependency: call_layers_from_list.
'''
linked_experiments_elabid = sample_object.linked_experiments_elabid # list of elabid
layer_object_list = call_layers_from_list(linked_experiments_elabid)
layer_object_list.sort(key=lambda x: x.layer_number)
return layer_object_list
def chain_layer_to_target(layer_object):
'''
Takes a Layer-class object, looks at its .target_elabid attribute and returns a Material-class object containing data on the PLD target used in the deposition of said layer.
Dependency: call_material_from_elabid.
'''
target_elabid = layer_object.target_elabid
material_object = call_material_from_elabid(target_elabid)
return material_object
def deduplicate_instruments_from_layers(layers):
'''
Takes a list of Layer-class objects and for each layer gets the instruments used (laser, depo chamber and RHEED), returns deduplicated list. Ideally, the lists should only contain one element.
'''
lasers = []
chambers = []
rheeds = []
for lyr in layers:
instruments = lyr.get_instruments(apikey)
lasers.append(instruments["laser_system"])
chambers.append(instruments["deposition_chamber"])
rheeds.append(instruments["rheed_system"])
ded_lasers = list( set( lasers ) )
ded_chambers = list( set( chambers ) )
ded_rheeds = list( set( rheeds ) )
elegant_list = [ ded_lasers, ded_chambers, ded_rheeds]
if 0 in [ len(i) for i in elegant_list ]:
# i.e. if length of one of the lists in elegant_list is zero (missing data):
raise IndexError("Missing data: no Laser System, Chamber and/or RHEED System is specified in any of the Deposition-type experiments related to this sample.")
if not all([ len(i) == 1 for i in elegant_list ]):
print("Warning: different instruments have been used for different layers - which is currently not allowed.")
# for every element in elegant list check if len > 1 and if it is
print("Selecting the first occurence for every category...")
instruments_used_dict = {
"laser_system": ded_lasers[0],
"deposition_chamber": ded_chambers[0],
"rheed_system": ded_rheeds[0],
}
return instruments_used_dict
# lasers = { f"layer_{lyr.layer_number}": lyr.laser_system for lyr in layers }
# chambers = { f"layer_{lyr.layer_number}": lyr.deposition_chamber for lyr in layers }
# rheeds = { f"layer_{lyr.layer_number}": lyr.rheed_system for lyr in layers }
# instruments_used_dict = {
# "laser_system": lasers,
# "deposition_chamber": chambers,
# "rheed_system": rheeds,
# }
def make_nexus_schema_dictionary(substrate_object, layers):
'''
Main function, takes all the other functions to reconstruct the full dataset. Takes a Substrate-class object (output of the chain_entrypoint_to_batch() function) and a list of Layer-class objects (output of the chain_entrypoint_to_layers() function), returns dictionary with the same schema as the NeXus standard for PLD fabrications.
'''
pld_fabrication = {
"sample": {
"substrate": {
"name": substrate_object.name,
"chemical_formula" : substrate_object.get_compound_formula(apikey),
"orientation" : substrate_object.orientation,
"miscut_angle" : {
"value": substrate_object.miscut_angle,
"units": substrate_object.miscut_angle_unit
},
"miscut_direction" : substrate_object.miscut_direction,
"thickness" : {
"value": substrate_object.thickness,
"units": substrate_object.thickness_unit,
},
"dimensions" : substrate_object.dimensions,
"surface_treatment" : substrate_object.surface_treatment,
"manufacturer" : substrate_object.manufacturer,
"batch_id" : substrate_object.batch_id,
},
"multilayer": {},
},
"instruments_used": deduplicate_instruments_from_layers(layers),
}
multilayer = pld_fabrication["sample"]["multilayer"]
for layer in layers:
name = "layer_" + layer.layer_number
target_object = chain_layer_to_target(layer)
target_dict = {
"name": target_object.name,
"chemical_formula" : target_object.get_compound_formula(apikey),
"description" : target_object.description,
"shape" : target_object.shape,
"dimensions" : target_object.dimensions,
"thickness" : {
"value": target_object.thickness,
"units": target_object.thickness_unit,
},
"solid_form" : target_object.solid_form,
"manufacturer" : target_object.manufacturer,
"batch_id" : target_object.name,
# TO-DO: currently not available:
}
multilayer[name] = {
"target": target_dict,
"start_time": layer.start_time,
"operator": layer.operator,
"description": layer.description,
"number_of_pulses": layer.number_of_pulses,
"deposition_time": {
"value": layer.deposition_time,
"units": layer.deposition_time_unit,
},
"temperature": {
"value": layer.temperature,
"units": layer.temperature_unit,
},
"heating_method": layer.heating_method,
"layer_thickness": {
"value": layer.layer_thickness,
"units": layer.layer_thickness_unit,
},
"buffer_gas": layer.buffer_gas,
"process_pressure": {
"value": layer.process_pressure,
"units": layer.process_pressure_unit,
},
"heater_target_distance": {
"value": layer.heater_target_distance,
"units": layer.heater_target_distance_unit,
},
"repetition_rate": {
"value": layer.repetition_rate,
"units": layer.repetition_rate_unit,
},
"laser_fluence": {
"value": layer.laser_fluence,
"units": layer.laser_fluence_unit,
},
"laser_spot_area": {
"value": layer.laser_spot_area,
"units": layer.laser_spot_area_unit,
},
"laser_energy": {
"value": layer.laser_energy,
"units": layer.laser_energy_unit,
},
"laser_rastering": {
"geometry": layer.laser_rastering_geometry,
"positions": layer.laser_rastering_positions,
"velocities": layer.laser_rastering_velocities,
},
"pre_annealing": {
"ambient_gas": layer.pre_annealing_ambient_gas,
"pressure": {
"value": layer.pre_annealing_pressure,
"units": layer.pre_annealing_pressure_unit,
},
"temperature": {
"value": layer.pre_annealing_temperature,
"units": layer.pre_annealing_temperature_unit,
},
"duration": {
"value": layer.pre_annealing_duration,
"units": layer.pre_annealing_duration_unit,
},
},
"post_annealing": {
"ambient_gas": layer.post_annealing_ambient_gas,
"pressure": {
"value": layer.post_annealing_pressure,
"units": layer.post_annealing_pressure_unit,
},
"temperature": {
"value": layer.post_annealing_temperature,
"units": layer.post_annealing_temperature_unit,
},
"duration": {
"value": layer.post_annealing_duration,
"units": layer.post_annealing_duration_unit,
},
},
}
return pld_fabrication
def build_nexus_file(pld_fabrication, output_path):
# NOTE: look at the mail attachment from Emiliano...
with h5py.File(output_path, "w") as f:
nx_pld_entry = f.create_group("pld_fabrication")
nx_pld_entry.attrs["NX_class"] = "NXentry"
# Sample section
nx_sample = nx_pld_entry.create_group("sample")
nx_sample.attrs["NX_class"] = "NXsample"
sample_dict = pld_fabrication["sample"]
# Substrate sub-section
nx_substrate = nx_sample.create_group("substrate")
nx_substrate.attrs["NX_class"] = "NXsubentry"
substrate_dict = sample_dict["substrate"]
try:
# Substrate fields (datasets)
nx_substrate.create_dataset("name", data=substrate_dict["name"])
nx_substrate.create_dataset("chemical_formula", data=substrate_dict["chemical_formula"])
nx_substrate.create_dataset("orientation", data=substrate_dict["orientation"])
nx_substrate.create_dataset("miscut_angle", data=substrate_dict["miscut_angle"]["value"]) # float
nx_substrate["miscut_angle"].attrs["units"] = substrate_dict["miscut_angle"]["units"]
nx_substrate.create_dataset("miscut_direction", data=substrate_dict["miscut_direction"])
nx_substrate.create_dataset("thickness", data=substrate_dict["thickness"]["value"]) # float/int
nx_substrate["thickness"].attrs["units"] = substrate_dict["thickness"]["units"]
nx_substrate.create_dataset("dimensions", data=substrate_dict["dimensions"])
nx_substrate.create_dataset("surface_treatment", data=substrate_dict["surface_treatment"])
nx_substrate.create_dataset("manufacturer", data=substrate_dict["manufacturer"])
nx_substrate.create_dataset("batch_id", data=substrate_dict["batch_id"])
except TypeError as te:
# sooner or later I'll handle this too - not today tho
raise TypeError(te)
# Multilayer sub-section
nx_multilayer = nx_sample.create_group("multilayer")
nx_multilayer.attrs["NX_class"] = "NXsubentry"
multilayer_dict = sample_dict["multilayer"]
# Repeat FOR EACH LAYER:
for layer in multilayer_dict:
nx_layer = nx_multilayer.create_group(layer)
nx_layer.attrs["NX_class"] = "NXsubentry"
layer_dict = multilayer_dict[layer]
# Sub-groups of a layer
## Target
nx_target = nx_layer.create_group("target")
nx_target.attrs["NX_class"] = "NXsample"
target_dict = layer_dict["target"]
## Rastering and Annealing
nx_laser_rastering = nx_layer.create_group("laser_rastering")
nx_laser_rastering.attrs["NX_class"] = "NXprocess"
rastering_dict = layer_dict["laser_rastering"]
nx_pre_annealing = nx_layer.create_group("pre_annealing")
nx_pre_annealing.attrs["NX_class"] = "NXprocess"
pre_ann_dict = layer_dict["pre_annealing"]
nx_post_annealing = nx_layer.create_group("post_annealing")
nx_post_annealing.attrs["NX_class"] = "NXprocess"
post_ann_dict = layer_dict["post_annealing"]
## Target metadata
try:
nx_target.create_dataset("name", data = target_dict["name"])
nx_target.create_dataset("chemical_formula", data = target_dict["chemical_formula"])
nx_target.create_dataset("description", data = target_dict["description"])
nx_target.create_dataset("shape", data = target_dict["shape"])
nx_target.create_dataset("dimensions", data = target_dict["dimensions"])
nx_target.create_dataset("thickness", data = target_dict["thickness"]["value"]) # float/int
nx_target["thickness"].attrs["units"] = target_dict["thickness"]["units"]
nx_target.create_dataset("solid_form", data = target_dict["solid_form"])
nx_target.create_dataset("manufacturer", data = target_dict["manufacturer"])
nx_target.create_dataset("batch_id", data = target_dict["batch_id"])
except TypeError as te:
raise TypeError(te)
## Other layer-specific metadata
try:
nx_layer.create_dataset("start_time", data = layer_dict["start_time"])
nx_layer.create_dataset("operator", data = layer_dict["operator"])
nx_layer.create_dataset("number_of_pulses", data = layer_dict["number_of_pulses"])
nx_layer.create_dataset("deposition_time", data = layer_dict["deposition_time"]["value"])
nx_layer["deposition_time"].attrs["units"] = layer_dict["deposition_time"]["units"]
nx_layer.create_dataset("repetition_rate", data = layer_dict["repetition_rate"]["value"])
nx_layer["repetition_rate"].attrs["units"] = layer_dict["repetition_rate"]["units"]
nx_layer.create_dataset("temperature", data = layer_dict["temperature"]["value"])
nx_layer["temperature"].attrs["units"] = layer_dict["temperature"]["units"]
nx_layer.create_dataset("heating_method", data = layer_dict["heating_method"])
nx_layer.create_dataset("layer_thickness", data = layer_dict["layer_thickness"]["value"])
nx_layer["layer_thickness"].attrs["units"] = layer_dict["layer_thickness"]["units"]
nx_layer.create_dataset("buffer_gas", data = layer_dict["buffer_gas"])
nx_layer.create_dataset("process_pressure", data = layer_dict["process_pressure"]["value"])
nx_layer["process_pressure"].attrs["units"] = layer_dict["process_pressure"]["units"]
nx_layer.create_dataset("heater_target_distance", data = layer_dict["heater_target_distance"]["value"])
nx_layer["heater_target_distance"].attrs["units"] = layer_dict["heater_target_distance"]["units"]
nx_layer.create_dataset("laser_fluence", data = layer_dict["laser_fluence"]["value"])
nx_layer["laser_fluence"].attrs["units"] = layer_dict["laser_fluence"]["units"]
nx_layer.create_dataset("laser_spot_area", data = layer_dict["laser_spot_area"]["value"])
nx_layer["laser_spot_area"].attrs["units"] = layer_dict["laser_spot_area"]["units"]
nx_layer.create_dataset("laser_energy", data = layer_dict["laser_energy"]["value"])
nx_layer["laser_energy"].attrs["units"] = layer_dict["laser_energy"]["units"]
except TypeError as te:
raise TypeError(te)
## Rastering metadata
try:
nx_laser_rastering.create_dataset("geometry", data = rastering_dict["geometry"])
nx_laser_rastering.create_dataset("positions", data = rastering_dict["positions"])
nx_laser_rastering.create_dataset("velocities", data = rastering_dict["velocities"])
except TypeError as te:
raise TypeError(te)
## Annealing metadata
try:
nx_pre_annealing.create_dataset("ambient_gas", data = pre_ann_dict["ambient_gas"])
nx_pre_annealing.create_dataset("pressure", data = pre_ann_dict["pressure"]["value"])
nx_pre_annealing["pressure"].attrs["units"] = pre_ann_dict["pressure"]["units"]
nx_pre_annealing.create_dataset("temperature", data = pre_ann_dict["temperature"]["value"])
nx_pre_annealing["temperature"].attrs["units"] = pre_ann_dict["temperature"]["units"]
nx_pre_annealing.create_dataset("duration", data = pre_ann_dict["duration"]["value"])
nx_pre_annealing["duration"].attrs["units"] = pre_ann_dict["duration"]["units"]
except TypeError as te:
raise TypeError(te)
try:
nx_post_annealing.create_dataset("ambient_gas", data = post_ann_dict["ambient_gas"])
nx_post_annealing.create_dataset("pressure", data = post_ann_dict["pressure"]["value"])
nx_post_annealing["pressure"].attrs["units"] = post_ann_dict["pressure"]["units"]
nx_post_annealing.create_dataset("temperature", data = post_ann_dict["temperature"]["value"])
nx_post_annealing["temperature"].attrs["units"] = post_ann_dict["temperature"]["units"]
nx_post_annealing.create_dataset("duration", data = post_ann_dict["duration"]["value"])
nx_post_annealing["duration"].attrs["units"] = post_ann_dict["duration"]["units"]
except TypeError as te:
raise TypeError(te)
# Instruments used section
nx_instruments = nx_pld_entry.create_group("instruments_used")
nx_instruments.attrs["NX_class"] = "NXinstrument"
instruments_dict = pld_fabrication["instruments_used"]
try:
nx_instruments.create_dataset("laser_system", data = instruments_dict["laser_system"])
nx_instruments.create_dataset("deposition_chamber", data = instruments_dict["deposition_chamber"])
nx_instruments.create_dataset("rheed_system", data = instruments_dict["rheed_system"])
except TypeError as te:
raise TypeError(te)
return
if __name__=="__main__":
# TO-DO: place the API base URL somewhere else.
ELABFTW_API_URL = "https://elabftw.fisica.unina.it/api/v2"
apikey = getpass("Paste API key here: ")
elabid = input("Enter elabid of your starting sample [default= 1111]: ") or 1111
data = APIHandler(apikey).get_entry_from_elabid(elabid)
sample = Entrypoint(data)
sample_name = sample.name.strip().replace(" ","_")
substrate_object = chain_entrypoint_to_batch(sample) # Substrate-class object
layers = chain_entrypoint_to_layers(sample) # list of Layer-class objects
result = make_nexus_schema_dictionary(substrate_object, layers)
# print(make_nexus_schema_dictionary(substrate_object, layers)) # debug
with open (f"output/sample-{sample_name}.json", "w") as f:
json.dump(result, f, indent=3)
build_nexus_file(result, output_path=f"output/sample-{sample_name}-nexus.h5")