Phatch can't handle always filenames with unicode and spaces

Error 3:Can not apply action Save on image 'éxif ïptc.jpg' in folder:
/home/nadia/projects/phatch/tests/input

('ascii', 'TIFFOpen: /home/nadia/projects/phatch/tests/output/images/\xc3\xa9xif: Cannot open.\n', 58, 59, 'ordinal not in range(128)')

Action:{'fields': {'As': u'tif',
            'File Name': u'<filename>_save_As=tif_TIFFCompression=zip',
            'In': u'/home/nadia/projects/phatch/tests/output/images',
            'JPEG Quality': u'85',
            'JPEG Size Maximum': '0kb',
            'JPEG Size Tolerance': '5%',
            'Metadata': 'no',
            'PNG Optimize': 'no',
            'Resolution': u'<dpi>',
            'Show Type Options': 'no',
            'TIFF Compression': u'zip',
            '__enabled__': 'yes'},
 'label': 'Save'}

Traceback (most recent call last):
  File "/home/nadia/projects/phatch/phatch/core/api.py", line 617, in apply_action_to_photo
    photo = action.apply(photo, read_only_settings, cache)
  File "/home/nadia/projects/phatch/phatch/actions/save.py", line 159, in apply
    save_metadata=save_metadata, **options)
  File "/home/nadia/projects/phatch/phatch/core/pil.py", line 595, in save
    compression=compression, **options))
  File "/home/nadia/projects/phatch/phatch/lib/openImage.py", line 286, in save_libtiff
    % (input, out, err)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xc3 in position 58: ordinal not in range(128)
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actionlist: /home/nadia/projects/phatch/tests/output/actionlists/convert_mode_save_Mode=1_As=im.phatch
Error 0:Can not apply action Save on image 'éxif ïptc.jpg' in folder:
/home/nadia/projects/phatch/tests/input

'ascii' codec can't encode character u'\xe9' in position 54: ordinal not in range(128)

Action:{'fields': {'As': u'im',
            'File Name': u'<filename>_convert_mode_save_Mode=1_As=im',
            'In': u'/home/nadia/projects/phatch/tests/output/images',
            'JPEG Quality': u'85',
            'JPEG Size Maximum': '0kb',
            'JPEG Size Tolerance': '5%',
            'Metadata': 'yes',
            'PNG Optimize': 'yes',
            'Resolution': u'<dpi>',
            'Show Type Options': 'no',
            'TIFF Compression': u'<compression>',
            '__enabled__': 'yes'},
 'label': 'Save'}

Traceback (most recent call last):
  File "/home/nadia/projects/phatch/phatch/core/api.py", line 617, in apply_action_to_photo
    photo = action.apply(photo, read_only_settings, cache)
  File "/home/nadia/projects/phatch/phatch/actions/save.py", line 159, in apply
    save_metadata=save_metadata, **options)
  File "/home/nadia/projects/phatch/phatch/core/pil.py", line 550, in save
    **options)
  File "/home/nadia/projects/phatch/phatch/lib/imtools.py", line 963, in save_check_mode
    save(image, filename, **options)
  File "/home/nadia/projects/phatch/phatch/lib/imtools.py", line 956, in save
    image.save(filename, **options)
  File "/usr/lib/python2.6/dist-packages/PIL/Image.py", line 1439, in save
    save_handler(self, fp, filename)
  File "/usr/lib/python2.6/dist-packages/PIL/ImImagePlugin.py", line 319, in _save
    fp.write("Name: %s\r\n" % filename)
UnicodeEncodeError: 'ascii' codec can't encode character u'\xe9' in position 54: ordinal not in range(128)
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