Mercurial > pylearn

comparison pmat.py @ 115:01aa97a2212d

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removed dependency to plearn
author Frederic Bastien <bastienf@iro.umontreal.ca>
date Wed, 07 May 2008 12:19:36 -0400
parents d6d42a0c1275
children 9330d941fa1f
comparison
equal deleted inserted replaced
114:d6d42a0c1275 115:01aa97a2212d
34 34
35 # Author: Pascal Vincent 35 # Author: Pascal Vincent
36 36
37 #import numarray, sys, os, os.path 37 #import numarray, sys, os, os.path
38 import numpy.numarray, sys, os, os.path 38 import numpy.numarray, sys, os, os.path
39 pyplearn_import_failed = False
40 try:
41 from plearn.pyplearn.plearn_repr import plearn_repr, format_list_elements
42 except ImportError:
43 pyplearn_import_failed = True
44
45
46 39
47 def array_columns( a, cols ): 40 def array_columns( a, cols ):
48 indices = None 41 indices = None
49 if isinstance( cols, int ): 42 if isinstance( cols, int ):
50 indices = [ cols ] 43 indices = [ cols ]
420 self.putRow(i,row) 413 self.putRow(i,row)
421 414
422 def __len__(self): 415 def __len__(self):
423 return self.length 416 return self.length
424 417
425 if not pyplearn_import_failed:
426 def __str__( self ):
427 return plearn_repr(self, indent_level=0)
428
429 def plearn_repr( self, indent_level=0, inner_repr=plearn_repr ):
430 # asking for plearn_repr could be to send specification over
431 # to another prg so that will open the .pmat
432 # So we make sure data is flushed to disk.
433 self.flush()
434
435 def elem_format( elem ):
436 k, v = elem
437 return '%s = %s' % ( k, inner_repr(v, indent_level+1) )
438
439 options = [ ( 'filename', self.fname ),
440 ( 'inputsize', self.inputsize ),
441 ( 'targetsize', self.targetsize ),
442 ( 'weightsize', self.weightsize ) ]
443 return 'FileVMatrix(%s)' % format_list_elements( options, elem_format, indent_level+1 )
444 418
445 if __name__ == '__main__': 419 if __name__ == '__main__':
446 pmat = PMat( 'tmp.pmat', 'w', fieldnames=['F1', 'F2'] ) 420 pmat = PMat( 'tmp.pmat', 'w', fieldnames=['F1', 'F2'] )
447 pmat.append( [1, 2] ) 421 pmat.append( [1, 2] )
448 pmat.append( [3, 4] ) 422 pmat.append( [3, 4] )