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Initial updates to support document tranformations

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This commit is contained in:
Roberto Rosario
2011-02-13 17:01:51 -04:00
parent 344a613514
commit 65d1e5b176
10 changed files with 154 additions and 15 deletions
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15
apps/converter/api.py
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@@ -81,7 +81,7 @@ def cache_cleanup(input_filepath, size, page=0, format='jpg'):
pass
def create_image_cache_filename(input_filepath, quality=QUALITY_DEFAULT, *args, **kwargs):
def create_image_cache_filename(input_filepath, quality=QUALITY_DEFAULT, extra_options='', *args, **kwargs):
if input_filepath:
temp_filename, separator = os.path.splitext(os.path.basename(input_filepath))
temp_path = os.path.join(TEMPORARY_DIRECTORY, temp_filename)
@@ -90,6 +90,7 @@ def create_image_cache_filename(input_filepath, quality=QUALITY_DEFAULT, *args,
[final_filepath.append(str(arg)) for arg in args]
final_filepath.extend(['%s_%s' % (key, value) for key, value in kwargs.items()])
final_filepath.append(QUALITY_SETTINGS[quality])
final_filepath.append(extra_options)
temp_path += slugify('_'.join(final_filepath))
@@ -97,17 +98,17 @@ def create_image_cache_filename(input_filepath, quality=QUALITY_DEFAULT, *args,
else:
return None
def in_image_cache(input_filepath, size, page=0, format='jpg', quality=QUALITY_DEFAULT):
output_filepath = create_image_cache_filename(input_filepath, size=size, page=page, format=format, quality=quality)
def in_image_cache(input_filepath, size, page=0, format='jpg', quality=QUALITY_DEFAULT, extra_options=''):
output_filepath = create_image_cache_filename(input_filepath, size=size, page=page, format=format, quality=quality, extra_options=extra_options)
if os.path.exists(output_filepath):
return output_filepath
else:
return None
def convert(input_filepath, size, quality=QUALITY_DEFAULT, cache=True, page=0, format='jpg', mimetype=None, extension=None):
def convert(input_filepath, size, quality=QUALITY_DEFAULT, cache=True, page=0, format='jpg', extra_options='', mimetype=None, extension=None):
unoconv_output = None
output_filepath = create_image_cache_filename(input_filepath, size=size, page=page, format=format, quality=quality)
output_filepath = create_image_cache_filename(input_filepath, size=size, page=page, format=format, quality=quality, extra_options=extra_options)
if os.path.exists(output_filepath):
return output_filepath
'''
@@ -124,7 +125,9 @@ def convert(input_filepath, size, quality=QUALITY_DEFAULT, cache=True, page=0, f
#TODO: Check mimetype and use corresponding utility
try:
input_arg = '%s[%s]' % (input_filepath, page)
status, error_string = execute_convert(input_arg, '-resize %s' % size, '%s:%s' % (format, output_filepath), quality=quality)
extra_options += ' -resize %s' % size
print 'extra_options', extra_options
status, error_string = execute_convert(input_arg, extra_options, '%s:%s' % (format, output_filepath), quality=quality)
if status:
errors = get_errors(error_string)
raise ConvertError(status, errors)