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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
#
# Create custom split file for partialator, based on pulse sequence
#
# Copyright © 2020 Deutsches Elektronen-Synchrotron DESY,
# a research centre of the Helmholtz Association.
#
# Author:
# 2020 Thomas White <taw@physics.org>
import sys
f = open(sys.argv[1])
fn = None
ev = None
pulseid = None
def dataset(pulse):
# Divide 8 because we are at 0.5 MHz instead of 4 MHz
# Pulse sequence is light-dark1-dark2-dark3
if (pulse/8) % 4 == 0: return 'light'
if (pulse/8) % 4 == 1: return 'dark1'
if (pulse/8) % 4 == 2: return 'dark2'
if (pulse/8) % 4 == 3: return 'dark3'
while True:
fline = f.readline()
if not fline:
break
if fline.find("Image filename: ") != -1:
if not fn == None:
print("Duplicate filename {}".format(fn), file=sys.stderr)
fn = fline.split(': ')[1].split(' ')[0].rstrip("\r\n")
if fline.find("Event: ") != -1:
if not ev == None:
print("Duplicate event ID {}".format(ev), file=sys.stderr)
ev = fline.split(': ')[1].split(' ')[0].rstrip("\r\n")
if fline.find("hdf5/instrument/pulseID = ") != -1:
if not pulseid == None:
print("Duplicate pulse ID {}".format(pulseid), file=sys.stderr)
pulseid = int(fline.split(' = ')[1].split(' ')[0].rstrip("\r\n"))
if fline.find("Begin chunk") != -1:
fn = None
ev = None
pulseid = None
if fline.find("End chunk") != -1:
if (fn == None) or (ev == None) or (pulseid == None):
print('Incomplete chunk! {} {} {}'.format(fn, ev, pulseid), file=sys.stderr)
else:
if pulseid == 0:
print("Zero pulse ID for {} {}".format(fn, ev), file=sys.stderr)
else:
print('{} {} {}'.format(fn, ev, dataset(pulseid)))
f.close()
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