Files
eos/libeos/header.py

74 lines
3.0 KiB
Python

"""
Class to handle Orso header information that changes gradually during the reduction process.
"""
import platform
import sys
from datetime import datetime
from orsopy import fileio
from . import __version__
class Header:
"""orso compatible output file header content"""
def __init__(self):
self.owner = None
self.experiment = None
self.sample = None
self.measurement_instrument_settings = None
self.measurement_scheme = None
self.measurement_data_files = []
self.measurement_additional_files = []
self.reduction = fileio.Reduction(
software = fileio.Software('eos', version=__version__),
call = 'placeholder',
computer = platform.node(),
timestamp = datetime.now(),
creator = None,
corrections = ['histogramming in lambda and alpha_f',
'gravity'],
)
#-------------------------------------------------------------------------------------------------
def data_source(self):
return fileio.DataSource(
self.owner,
self.experiment,
self.sample,
fileio.Measurement(
instrument_settings = self.measurement_instrument_settings,
scheme = self.measurement_scheme,
data_files = self.measurement_data_files,
additional_files = self.measurement_additional_files,
),
)
#-------------------------------------------------------------------------------------------------
def columns(self):
cols = [
fileio.Column('Qz', '1/angstrom', 'normal momentum transfer'),
fileio.Column('R', '', 'specular reflectivity'),
fileio.ErrorColumn(error_of='R', error_type='uncertainty', distribution='gaussian', value_is='sigma'),
fileio.ErrorColumn(error_of='Qz', error_type='resolution', distribution='gaussian', value_is='sigma'),
]
return cols
#-------------------------------------------------------------------------------------------------
def orso_header(self, columns=None, extra_columns=[]):
"""
Generate ORSO header from a copy of this class' data.
"""
ds = fileio.DataSource.from_dict(self.data_source().to_dict())
red = fileio.Reduction.from_dict(self.reduction.to_dict())
if columns is None:
columns = self.columns()
return fileio.Orso(ds, red, columns+extra_columns)
#-------------------------------------------------------------------------------------------------
def create_call_string(self):
callString = ' '.join(sys.argv)
if '-Y' not in callString:
callString += f' -Y {datetime.now().year}'
return callString
#-------------------------------------------------------------------------------------------------