source: python/aubio/bench/node.py @ 677b267

from config import *
import commands,sys
import re

def runcommand(cmd,debug=0):
        if VERBOSE >= VERBOSE_CMD or debug: print cmd
        if debug: return 
        status, output = commands.getstatusoutput(cmd)
        if status == 0 or VERBOSE >= VERBOSE_OUT:
                output = output.split('\n')
        if VERBOSE >= VERBOSE_OUT: 
                for i in output: 
                        if i: print i
        if not status == 0: 
                print 'error:',status,output
                print 'command returning error was',cmd
                #sys.exit(1)
        if output == '' or output == ['']: return
        return output 

def list_files(datapath,filter='f', maxdepth = -1):
        if not os.path.exists(datapath):
                print
                print "ERR: no directory %s were found" % datapath
                sys.exit(1)
        if maxdepth >= 0: maxstring = " -maxdepth %d " % maxdepth       
        else: maxstring = ""
        cmd = '%s' * 5 % ('find ',datapath,maxstring,' -type ',filter)
        return runcommand(cmd)

def list_wav_files(datapath,maxdepth = -1):
        return list_files(datapath, filter="f -name '*.wav'",maxdepth = maxdepth)

sndfile_filter = "f -name '*.wav' -o -name '*.aif' -o -name '*.aiff'"

def list_snd_files(datapath,maxdepth = -1):
        return list_files(datapath, filter=sndfile_filter, 
                maxdepth = maxdepth)

def list_res_files(datapath,maxdepth = -1):
        return list_files(datapath, filter="f -name '*.txt'", maxdepth = maxdepth)

def list_dirs(datapath):
        return list_files(datapath, filter="d")

def mkdir(path):
        cmd = '%s%s' % ('mkdir -p ',path)
        return runcommand(cmd)

def act_on_data (action,datapath,respath=None,suffix='.txt',filter='f',sub='\.wav$',**keywords):
        """ execute action(datafile,resfile) on all files in datapath """
        dirlist = list_files(datapath,filter=filter)
        if dirlist == ['']: dirlist = []
        if respath:
                respath_in_datapath = re.split(datapath, respath,maxsplit=1)[1:]
                if(respath_in_datapath and suffix == ''): 
                        print 'error: respath in datapath and no suffix used'
        for i in dirlist:
                j = re.split(datapath, i,maxsplit=1)[1]
                j = re.sub(sub,'',j)
                #j = "%s%s%s"%(respath,j,suffix)
                if respath:
                        j = "%s%s"%(respath,j)
                        if sub != '':
                                j = re.sub(sub,suffix,j)
                        else:
                                j = "%s%s" % (j,suffix)
                action(i,j,**keywords)

def act_on_results (action,datapath,respath,filter='d'):
        """ execute action(respath) an all subdirectories in respath """
        dirlist = list_files(datapath,filter='d')
        respath_in_datapath = re.split(datapath, respath,maxsplit=1)[1:]
        if(respath_in_datapath and not filter == 'd' and suffix == ''): 
                print 'warning: respath is in datapath'
        for i in dirlist:
                s = re.split(datapath, i ,maxsplit=1)[1]
                action("%s%s%s"%(respath,'/',s))

def act_on_files (action,listfiles,listres=None,suffix='.txt',filter='f',sub='\.wav$',**keywords):
        """ execute action(respath) an all subdirectories in respath """
        if listres and len(listfiles) <= len(listres): 
                for i in range(len(listfiles)):
                        action(listfiles[i],listres[i],**keywords)
        else:
                for i in listfiles:
                        action(i,None,**keywords)

class bench:
        """ class to run benchmarks on directories """
        def __init__(self,datadir,resdir=None,checkres=False,checkanno=False):
                self.datadir = datadir
                # path to write results path to
                self.resdir = resdir
                # list of annotation files
                self.reslist = []
                # list used to gather results
                self.results = []
                print "Checking data directory", self.datadir
                self.checkdata()
                if checkanno: self.checkanno()
                if checkres: self.checkres()
        
        def checkdata(self):
                if os.path.isfile(self.datadir):
                        self.dirlist = os.path.dirname(self.datadir)
                        print "DBG: found a file"
                elif os.path.isdir(self.datadir):
                        self.dirlist = list_dirs(self.datadir)
                        print "DBG: found a dir"
                # allow dir* matching through find commands?
                else:
                        print "ERR: path not understood"
                        sys.exit(1)
                print "Listing directories in data directory",
                if self.dirlist:
                        print " (%d elements)" % len(self.dirlist)
                else:
                        print " (0 elements)"
                        print "ERR: no directory %s were found" % self.datadir
                        sys.exit(1)
                print "Listing sound files in data directory",
                self.sndlist = list_snd_files(self.datadir)
                if self.sndlist:
                        print " (%d elements)" % len(self.sndlist)
                else:
                        print " (0 elements)"
                        print "ERR: no sound files were found in", self.datadir
                        sys.exit(1)
        
        def checkanno(self):
                print "Listing annotations in data directory",
                self.reslist = list_res_files(self.datadir)
                print " (%d elements)" % len(self.reslist)
                #for each in self.reslist: print each
                if not self.reslist or len(self.reslist) < len (self.sndlist):
                        print "ERR: not enough annotations"
                        return -1
                else:
                        print "Found enough annotations"
        
        def checkres(self):
                print "Creating results directory"
                act_on_results(mkdir,self.datadir,self.resdir,filter='d')

        def pretty_print(self,values,sep='|'):
                for i in range(len(values)):
                        print self.formats[i] % values[i], sep,
                print

        def dir_exec(self):
                """ run file_exec on every input file """
                pass

        def dir_eval(self):
                pass

        def file_exec(self):
                pass
        
        def file_eval(self):
                pass
        
        def file_plot(self):
                pass

        def dir_plot(self):
                pass
        
        def run_bench(self):
                for mode in self.modes:
                        self.params.mode = mode
                        self.dir_exec()
                        self.dir_eval()
                        self.dir_plot()