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#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# This script searches all directories listed in dirs (relative to ltfatroot)
# for occurrence of ltfatarghelper and replaces it with a defined code.
#
#
from __future__ import print_function
import os
import sys
from collections import defaultdict
# Directories to search (relative to ltfat root)
dirs = ('','auditory','blockproc','demos','filterbank','fourier','frames','gabor',
'nonstatgab','operators','quadratic','reference','signals','sigproc','wavelets')
#dirs = ('g1','g2','g3')
def query_yes_no(question, default="no"):
"""Ask a yes/no question via raw_input() and return their answer.
"question" is a string that is presented to the user.
"default" is the presumed answer if the user just hits <Enter>.
It must be "yes" (the default), "no" or None (meaning
an answer is required of the user).
The "answer" return value is one of "yes" or "no".
"""
valid = {"yes":True, "y":True, "ye":True,
"no":False, "n":False}
if default == None:
prompt = " [y/n] "
elif default == "yes":
prompt = " [Y/n] "
elif default == "no":
prompt = " [y/N] "
else:
raise ValueError("invalid default answer: '%s'" % default)
while 1:
sys.stdout.write(question + prompt)
choice = raw_input().lower()
if default is not None and choice == '':
return valid[default]
elif choice in valid.keys():
return valid[choice]
else:
sys.stdout.write("Please respond with 'yes' or 'no' "\
"(or 'y' or 'n').\n")
def main():
ltfatroot = os.path.join(os.path.dirname(os.path.realpath(__file__)),os.pardir)
mfileswithltfatarghelper = defaultdict(list)
for directory in dirs:
files = list( x for x in os.listdir(os.path.join(ltfatroot,directory)) if x.endswith('.m') )
for ff in files:
if ff == 'ltfatarghelper.m': continue
fullpath = os.path.join(ltfatroot,os.path.join(directory,ff))
with open(fullpath,'r') as f:
flines = f.readlines()
for lineNo,line in enumerate(flines):
if 'ltfatarghelper' in line and not line.startswith('%'):
if '%MARKER' in line or 'error' in line: break # Do not use this file
mfileswithltfatarghelper[fullpath].append(lineNo)
print('Found in file {}:\n {}'.format(ff,line))
#for k,v in mfileswithltfatarghelper.items():
# print(k + '->' + str(v) )
for k,v in mfileswithltfatarghelper.items():
filelines = []
with open(k,'r') as f:
filelines = f.readlines()
for lineNo in reversed(v):
print('Processing ' + k + ' with line ' + str(lineNo))
origline = filelines[lineNo]
if not 'ltfatarghelper' in origline:
print('This is wrong in '+k + str(v)+ '\n ' + origline)
continue
fcall = filelines[lineNo].split("=")
toinsert = []
if len(fcall)<2:
# No ret args
toinsert.append("origpath = pwd;\n")
toinsert.append("cd(ltfatbasepath);\n")
toinsert.append(origline.rstrip()+'%MARKER\n')
toinsert.append("cd([ltfatbasepath,filesep,'mex']);\n")
toinsert.append(origline)
toinsert.append("cd(origpath);\n")
else:
lhs = fcall[0]
if '[' in lhs:
lhs = lhs[lhs.find('[')+1:lhs.rfind(']')]
rhs = fcall[1][fcall[1].find("(")+1:fcall[1].rfind(")")]
lhsList = list(x.strip() for x in lhs.split(','))
lhsList2 = list(x+'2' if not x.strip()=='~' else x for x in lhsList)
rhsList = rhs.split(',')
#print(str(lhsList) + " ----> " + str(rhsList))
newline = '['+ ','.join(lhsList2) +']' + '=' + fcall[1] + '\n'
toinsert.append("origpath = pwd;\n")
toinsert.append("cd(ltfatbasepath);\n")
toinsert.append("tic;\n")
toinsert.append(origline.rstrip()+'%MARKER\n')
toinsert.append("t0 =toc;\n")
toinsert.append("fprintf('MAT: %d using %s\\n',t0,which('ltfatarghelper'));\n")
toinsert.append("cd([ltfatbasepath,filesep,'mex']);\n")
toinsert.append("tic;\n")
toinsert.append(newline)
toinsert.append("t0 =toc;\n")
toinsert.append("fprintf('MEX: %d using %s\\n',t0,which('ltfatarghelper'));\n")
toinsert.append("cd(origpath);\n")
compareline = 'if ~('
arglist = []
for one,two in zip(lhsList,lhsList2):
if one == '~': continue
arglist.append('isequal('+one +','+two+')')
compareline += '&&'.join(arglist)
compareline += ')\n'
toinsert.append(compareline);
toinsert.append("error('ltfatarghelper test failed in "
"%s',upper(mfilename));\n");
toinsert.append('end\n');
#print('\n'.join(filelines))
del filelines[lineNo]
filelines[lineNo:lineNo] = toinsert
with open(k,'w') as f:
f.writelines(filelines)
if __name__ == '__main__':
if not query_yes_no('This will overwrite a bunch of files. Make sure you have a backup.'
' Should I continue?'):
print('Quitting...')
sys.exit()
main()
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