/usr/lib/python2.7/dist-packages/PyMca/BAXSCSVFileParser.py is in pymca 4.7.1+dfsg-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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# Copyright (C) 2004-2013 European Synchrotron Radiation Facility
#
# This file is part of the PyMca X-ray Fluorescence Toolkit developed at
# the ESRF by the Software group.
#
# This toolkit is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the Free
# Software Foundation; either version 2 of the License, or (at your option)
# any later version.
#
# PyMca is distributed in the hope that it will be useful, but WITHOUT ANY
# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# PyMca; if not, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# PyMca follows the dual licensing model of Riverbank's PyQt and cannot be
# used as a free plugin for a non-free program.
#
# Please contact the ESRF industrial unit (industry@esrf.fr) if this license
# is a problem for you.
#############################################################################*/
import sys
import os
import numpy
from PyMca import SpecFileAbstractClass
DEBUG = 0
class BufferedFile(object):
def __init__(self, filename):
f = open(filename, 'r')
self.__buffer = f.read()
f.close()
self.__buffer = self.__buffer.replace("\r", "\n")
self.__buffer = self.__buffer.replace("\n\n", "\n")
self.__buffer = self.__buffer.split("\n")
self.__currentLine = 0
def readline(self):
if self.__currentLine >= len(self.__buffer):
return ""
line = self.__buffer[self.__currentLine]
self.__currentLine += 1
return line
def close(self):
self.__buffer = [""]
self.__currentLine = 0
return
class BAXSCSVFileParser(object):
def __init__(self, filename):
if not os.path.exists(filename):
raise IOError("File %s does not exists" % filename)
_fileObject = BufferedFile(filename)
#Only one measurement per file
header = []
ddict = {}
line = _fileObject.readline()
if not (line.startswith("Bruker AXS") or \
(("KTI" in line) and ("Spectrum" in line))):
raise IOError("This does look as a Bruker AXS Handheld CSV file")
while not line.startswith("Channel#"):
header.append(line)
line = _fileObject.readline()
header.append(line)
line = _fileObject.readline()
splitLine = line.split(",")
data = []
while(len(splitLine)):
if len(splitLine[0]):
data.append([float(x) for x in splitLine if len(x) > 0])
else:
break
line = _fileObject.readline()
splitLine = line.split(",")
_fileObject.close()
dataColumnNames = [x for x in header[-1].split(",") if len(x) > 0]
data = numpy.array(data, dtype=numpy.float)
#print(header)
#print(data)
labels=[]
#create an abstract scan object
self._scan = [BAXSCSVScan(data,
scantype='MCA',
scanheader=header,
#labels=labels,
#motor_values=self.motorValues,
point=False)]
def __getitem__(self, item):
return self._scan[item]
def scanno(self):
"""
Gives back the number of scans in the file
"""
return len(self_scan)
def list(self):
return "1:1"
def select(self, key):
"""
key is of the from s.o
scan number, scan order
"""
n = key.split(".")
return self.__getitem__(int(n[0])-1)
def allmotors(self):
if DEBUG:
print("BAXCSVFileParser allmotors called")
return []
class BAXSCSVScan(SpecFileAbstractClass.SpecFileAbstractScan):
def __init__(self, data, scantype='MCA',
identification="1.1", scanheader=None, labels=None,
motor_values=None, point=False):
SpecFileAbstractClass.SpecFileAbstractScan.__init__(self,
data, scantype=scantype, identification=identification,
scanheader=scanheader, labels=labels, point=point)
self._data = data
def nbmca(self):
return 1
def mca(self, number):
if number <= 0:
raise IndexError("Mca numbering starts at 1")
elif number > self.nbmca():
raise IndexError("Only %d MCA's" % number)
return self._data[:, -1]
def isBAXSCSVFile(filename):
f = open(filename, 'r')
try:
line = f.readline()
except:
f.close()
return False
try:
if filename.lower().endswith(".csv"):
if line.startswith("Bruker AXS") or \
(("KTI" in line) and ("Spectrum" in line)):
return True
except:
pass
return False
def test(filename):
if isBAXSCSVFile(filename):
sf=BAXSCSVFileParser(filename)
else:
print("Not a Bruker AXS File")
print(sf[0].header('S'))
print(sf[0].header('D'))
print(sf[0].alllabels())
#print(sf[0].allmotorsvalues())
print(sf[0].nbmca())
print(sf[0].mca(1))
if __name__ == "__main__":
test(sys.argv[1])
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