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Remove graphicsmagic and imagemagick backends

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This commit is contained in:
Roberto Rosario
2015-07-02 20:48:44 -04:00
parent 7771740e59
commit debd9db317
3 changed files with 0 additions and 186 deletions
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90
mayan/apps/converter/backends/graphicsmagick.py
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@@ -1,90 +0,0 @@
from __future__ import unicode_literals
import subprocess
from ..classes import ConverterBase
from ..exceptions import ConvertError, UnknownFileFormat
from ..literals import (
TRANSFORMATION_RESIZE, TRANSFORMATION_ROTATE, TRANSFORMATION_ZOOM
)
from ..literals import (
DEFAULT_FILE_FORMAT, DEFAULT_PAGE_NUMBER, DIMENSION_SEPARATOR
)
from ..settings import GM_PATH, GM_SETTINGS
CONVERTER_ERROR_STARTS_WITH = 'starts with'
CONVERTER_ERROR_STRING_NO_DECODER = 'No decode delegate for this image format'
class GraphicsMagick(ConverterBase):
def identify_file(self, input_filepath, arguments=None):
command = []
command.append(unicode(GM_PATH))
command.append('identify')
if arguments:
command.extend(arguments)
command.append(unicode(input_filepath))
proc = subprocess.Popen(command, close_fds=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
raise IdentifyError(proc.stderr.readline())
return proc.stdout.read()
def convert_file(self, input_filepath, output_filepath, transformations=None, page=DEFAULT_PAGE_NUMBER, file_format=DEFAULT_FILE_FORMAT, **kwargs):
arguments = []
try:
if transformations:
for transformation in transformations:
if transformation['transformation'] == TRANSFORMATION_RESIZE:
dimensions = []
dimensions.append(unicode(transformation['arguments']['width']))
if 'height' in transformation['arguments']:
dimensions.append(unicode(transformation['arguments']['height']))
arguments.append('-resize')
arguments.append('%s' % DIMENSION_SEPARATOR.join(dimensions))
elif transformation['transformation'] == TRANSFORMATION_ZOOM:
arguments.append('-resize')
arguments.append('%d%%' % transformation['arguments']['percent'])
elif transformation['transformation'] == TRANSFORMATION_ROTATE:
arguments.append('-rotate')
arguments.append('%s' % transformation['arguments']['degrees'])
except:
pass
if file_format.lower() == 'jpeg' or file_format.lower() == 'jpg':
arguments.append('-quality')
arguments.append('85')
# Graphicsmagick page number is 0 base
input_arg = '%s[%d]' % (input_filepath, page - 1)
# Specify the file format next to the output filename
output_filepath = '%s:%s' % (file_format, output_filepath)
command = []
command.append(unicode(GM_PATH))
command.append('convert')
command.extend(unicode(GM_SETTINGS).split())
command.append(unicode(input_arg))
if arguments:
command.extend(arguments)
command.append(unicode(output_filepath))
proc = subprocess.Popen(command, close_fds=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
# Got an error from convert program
error_line = proc.stderr.readline()
if (CONVERTER_ERROR_STRING_NO_DECODER in error_line) or (CONVERTER_ERROR_STARTS_WITH in error_line):
# Try to determine from error message which class of error is it
raise UnknownFileFormat
else:
raise ConvertError(error_line)
def get_page_count(self, input_filepath):
try:
return len(self.identify_file(unicode(input_filepath)).splitlines())
except IdentifyError:
raise UnknownFileFormat

84
mayan/apps/converter/backends/imagemagick.py
View File

@@ -1,84 +0,0 @@
from __future__ import unicode_literals
import subprocess
from ..classes import ConverterBase
from ..exceptions import ConvertError, UnknownFileFormat
from ..literals import (
DEFAULT_FILE_FORMAT, DEFAULT_PAGE_NUMBER, DIMENSION_SEPARATOR,
TRANSFORMATION_RESIZE, TRANSFORMATION_ROTATE, TRANSFORMATION_ZOOM
)
from ..settings import IM_CONVERT_PATH, IM_IDENTIFY_PATH
CONVERTER_ERROR_STRING_NO_DECODER = 'no decode delegate for this image format'
class ImageMagick(ConverterBase):
def identify_file(self, input_filepath, arguments=None):
command = []
command.append(unicode(IM_IDENTIFY_PATH))
if arguments:
command.extend(arguments)
command.append(unicode(input_filepath))
proc = subprocess.Popen(command, close_fds=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
raise IdentifyError(proc.stderr.readline())
return proc.stdout.read()
def convert_file(self, input_filepath, output_filepath, transformations=None, page=DEFAULT_PAGE_NUMBER, file_format=DEFAULT_FILE_FORMAT, **kwargs):
arguments = []
try:
if transformations:
for transformation in transformations:
if transformation['transformation'] == TRANSFORMATION_RESIZE:
dimensions = []
dimensions.append(unicode(transformation['arguments']['width']))
if 'height' in transformation['arguments']:
dimensions.append(unicode(transformation['arguments']['height']))
arguments.append('-resize')
arguments.append('%s' % DIMENSION_SEPARATOR.join(dimensions))
elif transformation['transformation'] == TRANSFORMATION_ZOOM:
arguments.append('-resize')
arguments.append('%d%%' % transformation['arguments']['percent'])
elif transformation['transformation'] == TRANSFORMATION_ROTATE:
arguments.append('-rotate')
arguments.append('%s' % transformation['arguments']['degrees'])
except:
pass
if file_format.lower() == 'jpeg' or file_format.lower() == 'jpg':
arguments.append('-quality')
arguments.append('85')
# Imagemagick page number is 0 base
input_arg = '%s[%d]' % (input_filepath, page - 1)
# Specify the file format next to the output filename
output_filepath = '%s:%s' % (file_format, output_filepath)
command = []
command.append(unicode(IM_CONVERT_PATH))
command.append(unicode(input_arg))
if arguments:
command.extend(arguments)
command.append(unicode(output_filepath))
proc = subprocess.Popen(command, close_fds=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE)
return_code = proc.wait()
if return_code != 0:
# Got an error from convert program
error_line = proc.stderr.readline()
if CONVERTER_ERROR_STRING_NO_DECODER in error_line:
# Try to determine from error message which class of error is it
raise UnknownFileFormat
else:
raise ConvertError(error_line)
def get_page_count(self, input_filepath):
try:
return len(self.identify_file(unicode(input_filepath)).splitlines())
except IdentifyError:
raise UnknownFileFormat

12
mayan/apps/converter/settings.py
View File

@@ -8,15 +8,3 @@ namespace = Namespace(name='converter', label=_('Converter'))
setting_graphics_backend = namespace.add_setting(global_name='CONVERTER_GRAPHICS_BACKEND', default='converter.backends.python.Python', help_text=_('Graphics conversion backend to use.'))
setting_libreoffice_path = namespace.add_setting(global_name='CONVERTER_LIBREOFFICE_PATH', default='/usr/bin/libreoffice', help_text=_('Path to the libreoffice program.'), is_path=True)
setting_pdftoppm_path = namespace.add_setting(global_name='CONVERTER_PDFTOPPM_PATH', default='/usr/bin/pdftoppm', help_text=_('Path to the Popple program pdftoppm.'), is_path=True)
# TODO: remove unconverted backends from repository
#register_settings(
# namespace='converter',
# module='converter.settings',
# settings=[
# {'name': 'IM_CONVERT_PATH', 'global_name': 'CONVERTER_IM_CONVERT_PATH', 'default': '/usr/bin/convert', 'description': _('File path to imagemagick\'s convert program.'), 'exists': True},
# {'name': 'IM_IDENTIFY_PATH', 'global_name': 'CONVERTER_IM_IDENTIFY_PATH', 'default': '/usr/bin/identify', 'description': _('File path to imagemagick\'s identify program.'), 'exists': True},
# {'name': 'GM_PATH', 'global_name': 'CONVERTER_GM_PATH', 'default': '/usr/bin/gm', 'description': _('File path to graphicsmagick\'s program.'), 'exists': True},
# {'name': 'GM_SETTINGS', 'global_name': 'CONVERTER_GM_SETTINGS', 'default': ''},
# ]
#)