Python tables.openFile函数代码示例

def main(argv):
    parser = argparse.ArgumentParser()
    parser.add_argument('-a', dest='one_name', help='track file 1')
    parser.add_argument('-b', dest='two_name', help='track file 2')
    parser.add_argument('--atrack', dest='atrack', help="track name 1")
    parser.add_argument('--btrack', dest='btrack', help="track name 2")
    parser.add_argument('-o', dest='out_name', help='out track file')
    parser.add_argument('--floor', required=False, default=False)
    args = parser.parse_args()
    
    one = tb.openFile(args.one_name)
    two = tb.openFile(args.two_name)
    out = tb.openFile(args.out_name, 'a')
    atrack = args.atrack
    btrack = args.btrack
    two_track = two.getNode("/" + btrack)
    if atrack == "all":
        for one_track in one.iterNodes("/"):
            run(one_track, two_track, out, args.floor)
    else:
        one_track = one.getNode("/" + atrack)
        run(one_track, two_track, out, args.floor)

    out.flush()    
    out.close()

 def _write_image_tables(self,images,setname,descr):
     """
     Write images to file
     """
     import tables
     images = num.array(images)
     fname  = self._make_fname()
     if os.path.exists(fname):
         h    = tables.openFile(fname,mode="a")
         if not hasattr(h.root,'image_data'):
             h.createGroup(h.root,'image_data',"Image Data")
     else:
         h    = tables.openFile(fname,mode="w",title="Scan Data Archive")
         root = h.createGroup(h.root, "image_data", "Image Data")
     # if setname == None:
     #   look under '/images for 'SXXX'
     # find the highest one and
     # auto generate set name as next in the sequence 
     if hasattr(h.root.image_data,setname):
         print "Warning: Image Archive File '%s'" % fname
         print "-->Setname '%s' already exists, data is not overwritten\n" % setname
     else:
         h.createGroup('/image_data',setname,"Image Data")
         grp = '/image_data/' + setname
         h.createArray(grp,'images',images,descr)
     h.close()

    def test03b_Compare64EArray(self):
        "Comparing several written and read 64-bit time values in an EArray."

        # Create test EArray with data.
        h5file = tables.openFile(
                self.h5fname, 'w', title = "Test for comparing Time64 E arrays")
        ea = h5file.createEArray(
                '/', 'test', tables.Time64Atom(), shape=(0, 2))

        # Size of the test.
        nrows = ea.nrowsinbuf + 34  # Add some more rows than buffer.
        # Only for home checks; the value above should check better
        # the I/O with multiple buffers.
        ##nrows = 10

        for i in xrange(nrows):
            j = i * 2
            ea.append(((j + 0.012, j + 1 + 0.012),))
        h5file.close()

        # Check the written data.
        h5file = tables.openFile(self.h5fname)
        arr = h5file.root.test.read()
        h5file.close()

        orig_val = numpy.arange(0, nrows*2, dtype=numpy.int32) + 0.012
        orig_val.shape = (nrows, 2)
        if common.verbose:
            print "Original values:", orig_val
            print "Retrieved values:", arr
        self.assertTrue(allequal(arr, orig_val),
                        "Stored and retrieved values do not match.")

def ComputeTargetStateZhuRabitzExperiment(prop, numEigs=0, eigFile=None, \
	eigDataSet = "/eigenvector", outFileName = "zhu_rabitz_final_state.h5"):
	"""
	Zhu and Rabitz use a gaussian projection operator to characterize their target space,

	    P = gamma / sqrt(pi) * exp[-gamma**2 * (x - x')**2 ]

	This function computes |ZR> = sum(<i|P|i>|i>, i), where |i> is the i'th eigenfunction 
	of the Morse oscillator.
	"""

	#Setup Zhu-Rabtiz operator
	ZhuRabitzOperator = eval(prop.Config.ZhuRabitzOperator.classname + "_1()")
	ZhuRabitzOperator.ApplyConfigSection(prop.Config.ZhuRabitzOperator)

	#Get tmpPsi
	tmpPsi = prop.psi.Copy()

	#Create vector to hold Zhu-Rabitz state
	ZhuRabitzState = numpy.zeros(numEigs, dtype=complex)

	h5file = tables.openFile(eigFile, "r")

	for i in range(numEigs):
		tmpPsi.Clear()
		prop.psi.GetData()[:] = h5file.getNode("%s%03i" % (eigDataSet, i))
		ZhuRabitzOperator.MultiplyPotential(prop.psi, tmpPsi, 0, 0)
		ZhuRabitzState[i] = prop.psi.InnerProduct(tmpPsi)
		
	outFile = tables.openFile(outFileName, "w")
	try:
		outFile.createArray("/", "ZhuRabitzFinalState", ZhuRabitzState)
	finally:
		outFile.close()

  def eigFieldValues(self, type, modename, pts, ptsName = None, saveDir = None):
    if saveDir != None:
      if saveDir[-1] != "/":
        saveDir += "/"

    res = []
    # if user supplies name and directory, search for existing data first. Existing
    # data must have the same dimensions of 'pts'
    if saveDir != None and ptsName != None and havePyTables:
      filepath = saveDir + self._fieldPrefixes[type] + "_" + ptsName + "_eigVecs_" + modename + ".h5"
      if os.path.exists(filepath):
        h5 = tables.openFile(filepath, 'r')
        data = h5.root.data.read()
        h5.close()
        if len(data) == len(pts):
          return data

    for pt in pts:
      res.append(self.eigFieldValue(type, modename, pt))
    res = numpy.asarray(res)

    # save if name and directory given
    if saveDir != None and ptsName != None and havePyTables:
      h5 = tables.openFile(filepath, 'w')
      h5.createArray("/", "data", res)
      h5.close()

    return res

def main(infile, dec_fs=600, outfile_suffix='dec', force_overwrite=False):
    fh_in = tables.openFile(infile, 'r')
    if fh_in.root._g_getnchildren() == 1:
        print 'Processing {}'.format(infile)
        outfile = infile.replace('raw', outfile_suffix)
        if path.exists(outfile) and not force_overwrite:
            raise IOError, '{} already exists'.format(outfile)
        fh_out = tables.openFile(outfile, 'w')

        output_node = fh_out.root
        input_node = fh_in.root._f_listNodes()[0]

        decimate_waveform(input_node, 
                          output_node,
                          source_fs=input_node._v_attrs['fs'],
                          dec_fs=dec_fs,
                          progress_callback=update_progress)

        # Add some extra metadata to the output node to help us in tracking
        # where the data came from
        output_node._v_attrs['source_file'] = infile
        output_node._v_attrs['source_pathname'] = input_node._v_pathname

        fh_out.close()
        fh_in.close()
    else:
        mesg = "Unable to process {}".format(infile)
        raise ValueError, mesg

    def __init__( self, file_name, file_mode, compression_level=1, compression_lib='zlib' ):
        '''Constructor
                    
        For compatibility it is reccomeded the compression values are left at defaults.
        
        Arguments:
        file_name -- Path to file
        file_mode -- How file should be opened i.e. r, w, a, r+
        compression_level -- Level of compression to use from 1 to 9
        compression_lib -- Compression library to use see PyTables docs for option.
        '''
        compression_filters = Filters( complevel=compression_level, complib=compression_lib )

        if file_mode == "w":
            self._file_handle = openFile( file_name, file_mode, filters=compression_filters )
            self._data_group = self._file_handle.createGroup( "/", "data" )
            self._parameters_group = self._file_handle.createGroup( "/", "parameters" )
            self._priors_group = self._file_handle.createGroup( "/", "priors" )
            
            self._file_handle.setNodeAttr( '/', 'creation_date', time.ctime() )
        else:
            self._file_handle = openFile( file_name, file_mode )
            self._data_group = self._file_handle.root.data
            self._parameters_group = self._file_handle.root.parameters
            self._priors_group = self._file_handle.root.priors

        self._init_entries()

        self._init_chr_tables()

def get_node(org, mode):
    # get the parent group node in the h5 file.
    if mode == 'w':
        h5 = tables.openFile(H5, mode='a')
        if org in h5.root:
            action = raw_input(\
               """%s copy counts exist in %s. what to do [d/a/u]?
                   'd': delete them and create new copy-counts
                   'a': abort
                   'u': use the existing copy-counts
                you can use the existing counts if the blast is unchanged."""
                               % (org, H5))[0].lower()
            if action == 'd':
                getattr(h5.root, org)._f_remove(recursive=True)
                h5.flush()
            elif action == 'u':
                h5.close()
                return None, None
            else:
                print('ABORT: %s already exists in %s' % (org, H5))
                h5.close(); sys.exit()
        return h5, h5.createGroup(h5.root, org, org)
    else:
        h5 = tables.openFile(H5, mode='r')
        return h5, getattr(h5.root, org)

    def populate_R_data(self):
        print "Collecting R Data for "+str(self.driftFNs[0].run)+'...'
        self.r_blue=np.zeros((self.beammap.shape[0],self.beammap.shape[1],len(self.driftFNs)))
        for i in range(len(self.driftFNs)):
            try:
                calFile=tables.openFile(self.driftFNs[i].calSoln(),mode='r')
                cal_row = calFile.root.wavecal.calsoln.cols.pixelrow[:]    
                cal_col = calFile.root.wavecal.calsoln.cols.pixelcol[:]    
                cal_params = calFile.root.wavecal.calsoln.cols.polyfit[:]
                cal_sigma = calFile.root.wavecal.calsoln.cols.sigma[:]
            except:
                print '\tUnable to open: '+self.driftFNs[i].calSoln()
                return
            try:
                driftFile=tables.openFile(self.driftFNs[i].calDriftInfo(),mode='r')
                drift_row = driftFile.root.params_drift.driftparams.cols.pixelrow[:]    
                drift_col = driftFile.root.params_drift.driftparams.cols.pixelcol[:]    
                drift_params = driftFile.root.params_drift.driftparams.cols.gaussparams[:]
            except:
                print '\tUnable to open: '+self.driftFNs[i].calDriftInfo()
                return
            for k in range(len(cal_sigma)):
                if cal_sigma[k]>0:
                    drift_ind = np.where((drift_row==cal_row[k]) * (drift_col==cal_col[k]))[0][0]
                    peak_fit = drift_params[drift_ind]
                    blue_energy = (parabola(cal_params[k],x=np.asarray([peak_fit[1]]),return_models=True))[0][0]
                    self.r_blue[cal_row[k],cal_col[k],i]=blue_energy/(self.params['fwhm2sig']*cal_sigma[k])
            calFile.close()
            driftFile.close()

        print "\tDone."

def merge(out, fnames):
    data = tables.openFile(out, mode='a')

    for fname in fnames:
        f = tables.openFile(fname, mode='r')
        raw_targets = f.root.denseFeat
        
        if 'denseFeat' in data.root:
            prev_data = data.root.denseFeat
            targets = data.createCArray(data.root, '_y', atom=tables.Float32Atom(), shape=((raw_targets.shape[0]+prev_data.shape[0],436)))
            targets[:prev_data.shape[0],:] = prev_data[:,:]
            targets[prev_data.shape[0]:,:] = raw_targets[:,:]
            data.flush()
            data.removeNode(data.root, "denseFeat", 1)
        else:
            targets = data.createCArray(data.root, '_y', atom=tables.Float32Atom(), shape=((raw_targets.shape[0],436)))
            targets[:,:] = raw_targets[:,:]
            data.flush()


        data.renameNode(data.root, "denseFeat", "_y")
        data.flush()

        f.close()

    data.close()

    def _init__(self, path_to_arc):
        """
        :Parameters:
            path_to_arc : str
                Path to the hdf5 archive in the local file system.
        """

        # get handle to archive
        try:
            self._arc = openFile(path_to_arc, 'r')
        except:
            self._arc = openFile(path_to_arc, 'w')
        self._grp_config = None
        self._grp_ndata = None
        self._grp_scene = None

        # establish main structure
        if '/__TYPE__' not in self._arc:
            self._arc.createArray(self._arc.root, '__TYPE__', 'SCENE_ARCHIVE')
        if self._has_main_grp('CONFIG'):
            self._grp_config = self._get_main_grp('CONFIG')
        else:
            self._grp_config = self._arc.createGroup(self._arc.root, 'CONFIG')
            self._arc.createArray(self._grp_config, '__TYPE__', 'CONFIG')
        if self._has_main_grp('NEURON_DATA'):
            self._grp_ndata = self._get_main_grp('NEURON_DATA')
        else:
            self._grp_ndata = self._arc.createGroup(self._arc.root, 'NEURON_DATA')
            self._arc.createArray(self._grp_ndata, '__TYPE__', 'NEURON_DATA')
        if self._has_main_grp('SCENE'):
            self._grp_scene = self._get_main_grp('SCENE')
        else:
            self._grp_scene = self._arc.createGroup(self._arc.root, 'SCENE')
            self._arc.createArray(self._grp_scene, '__TYPE__', 'SCENE')

def modeToVtk(resolution, modename, pathToH5Utils = ""):
  import tables

  delta = 0.5 / float(resolution)

  ex = numpy.zeros(3 * (resolution, ), dtype = 'd')
  ey = numpy.zeros(3 * (resolution, ), dtype = 'd')
  ez = numpy.zeros(3 * (resolution, ), dtype = 'd')

  pol, n, l, m, phase = strToMode(modename)
  print "Saving " + modename + " field"
  #print "Saving TM%d%d%d field" % (n, l, m)
  fx = "elecField_" + modename + "_x.h5"
  fy = "elecField_" + modename + "_y.h5"
  fz = "elecField_" + modename + "_z.h5"
  fvtk = "elecField_" + modename + ".vtk"
  h5x = tables.openFile(fx, 'w')
  h5y = tables.openFile(fy, 'w')
  h5z = tables.openFile(fz, 'w')

  pts = numpy.mgrid[0:0.5:delta, 0:0.5:delta, 0:0.5:delta]
  pts = numpy.rollaxis(pts, 0, pts.ndim)
  field = efield(pol, n, l, m, phase, pts)

  h5x.createArray("/", "data", field[...,0])
  h5y.createArray("/", "data", field[...,1])
  h5z.createArray("/", "data", field[...,2])
  h5x.close()
  h5y.close()
  h5z.close()
  # now use h5tovtk to get vtk file
  os.system(pathToH5Utils + "h5tovtk -o %s %s %s %s" % (fvtk, fx, fy, fz))

    def __init__(self, output_dir, chrom_list):
        # combined allele-specific read counts
        as_count_filename = "%s/combined_as_count.h5" % output_dir
        self.as_count_h5 = tables.openFile(as_count_filename, "w")
        
        # combined mapped read counts
        read_count_filename = "%s/combined_read_count.h5" % output_dir
        self.read_count_h5 = tables.openFile(read_count_filename, "w")

        # counts of genotypes
        ref_count_filename = "%s/combined_ref_count.h5" % output_dir
        self.ref_count_h5 = tables.openFile(ref_count_filename, "w")
        
        alt_count_filename = "%s/combined_alt_count.h5" % output_dir
        self.alt_count_h5 = tables.openFile(alt_count_filename, "w")
        
        het_count_filename = "%s/combined_het_count.h5" % output_dir
        self.het_count_h5 = tables.openFile(het_count_filename, "w")
        
        self.filenames = [as_count_filename, read_count_filename,
                          ref_count_filename, alt_count_filename,
                          het_count_filename]

        self.h5_files = [self.as_count_h5, self.read_count_h5,
                         self.ref_count_h5, self.alt_count_h5, 
                         self.het_count_h5]

        # initialize all of these files
        atom = tables.UInt16Atom(dflt=0)
        
        for h5f in self.h5_files:
            for chrom in chrom_list:
                self.create_carray(h5f, chrom, atom)

def compute_rms(ext_filename, force_overwrite=False):
    '''
    Add running measurement of RMS noise floor to the extracted spiketimes file.
    This metric is required for many of the spike processing routines; however,
    this is such a slow (possibly inefficient) algorithm that it was broken out
    into a separate function.
    '''
    processing = {}
    with tables.openFile(ext_filename, 'a') as fh:
        raw_filename = ext_filename.replace('extracted', 'raw')

        if 'rms' in fh.root:
            if not force_overwrite:
                raise IOError, 'Already contains RMS data'
            else:
                fh.root.rms._f_remove(recursive=True)

        processing['filter_freq_lp'] = fh.root.filter._v_attrs.fc_lowpass
        processing['filter_freq_hp'] = fh.root.filter._v_attrs.fc_highpass
        processing['filter_order'] = fh.root.filter._v_attrs.filter_order
        processing['filter_btype'] = fh.root.filter._v_attrs.filter_btype
        processing['bad_channels'] = fh.root.filter.bad_channels[:]-1
        processing['diff_mode'] = fh.root.filter._v_attrs.diff_mode
        #channels = fh.root.event_data._v_attrs.extracted_channels[:]-1

        with tables.openFile(raw_filename, 'r') as fh_raw:
            input_node = h5.p_get_node(fh_raw.root, '*')
            output_node = fh.createGroup('/', 'rms')
            running_rms(input_node, output_node, 1, 0.25, processing=processing,
                        algorithm='median', progress_callback=update_progress)

def main(argv):
    parser = argparse.ArgumentParser()
    parser.add_argument("-a", dest="one_name", help="track file 1")
    parser.add_argument("-b", dest="two_name", help="track file 2")
    parser.add_argument("--atrack", dest="atrack", help="track name 1")
    parser.add_argument("--btrack", dest="btrack", help="track name 2")
    parser.add_argument("-o", dest="out_name", help="out track file")
    parser.add_argument("--floor", required=False, default=False)
    args = parser.parse_args()

    one = tb.openFile(args.one_name)
    two = tb.openFile(args.two_name)
    out = tb.openFile(args.out_name, "a")
    atrack = args.atrack
    btrack = args.btrack
    two_track = two.getNode("/" + btrack)
    if atrack == "all":
        for one_track in one.iterNodes("/"):
            run(one_track, two_track, out, args.floor)
    else:
        one_track = one.getNode("/" + atrack)
        run(one_track, two_track, out, args.floor)

    out.flush()
    out.close()