kopia lustrzana https://github.com/brendabell/knittingtools
105 wiersze
3.4 KiB
Python
105 wiersze
3.4 KiB
Python
# -*- coding: utf-8 -*-
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# This file is part of CairoSVG
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# Copyright © 2010-2012 Kozea
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#
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# This library is free software: you can redistribute it and/or modify it under
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# the terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation, either version 3 of the License, or (at your option) any
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# later version.
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#
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# This library is distributed in the hope that it will be useful, but WITHOUT
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# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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# FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with CairoSVG. If not, see <http://www.gnu.org/licenses/>.
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"""
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CairoSVG - A simple SVG converter for Cairo.
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"""
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import os
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import sys
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import optparse
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from . import surface
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VERSION = '1.0.22'
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SURFACES = {
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'SVG': surface.SVGSurface, # Tell us if you actually use this one!
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'PNG': surface.PNGSurface,
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'PDF': surface.PDFSurface,
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'PS': surface.PSSurface}
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# Generate the svg2* functions from SURFACES
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for _output_format, _surface_type in SURFACES.items():
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_function = (
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# Two lambdas needed for the closure
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lambda surface_type: lambda *args, **kwargs: # pylint: disable=W0108
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surface_type.convert(*args, **kwargs))(_surface_type)
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_name = 'svg2%s' % _output_format.lower()
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_function.__name__ = _name
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if surface.Surface.convert.__doc__:
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_function.__doc__ = surface.Surface.convert.__doc__.replace(
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'the format for this class', _output_format)
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setattr(sys.modules[__name__], _name, _function)
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def main():
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"""Entry-point of the executable."""
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# Get command-line options
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option_parser = optparse.OptionParser(
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usage="usage: %prog filename [options]", version=VERSION)
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option_parser.add_option(
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"-f", "--format", help="output format")
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option_parser.add_option(
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"-d", "--dpi", help="ratio between 1in and 1px", default=96)
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option_parser.add_option(
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'-W', '--width', default=None, type="float",
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help='width of the parent container in pixels')
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option_parser.add_option(
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'-H', '--height', default=None, type="float",
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help='height of the parent container in pixels')
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option_parser.add_option(
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'-u', '--unsafe', action='store_true',
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help='resolve XML entities (WARNING: vulnerable to XXE attacks)')
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option_parser.add_option(
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"-o", "--output",
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default="", help="output filename")
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options, args = option_parser.parse_args()
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# Print help if no argument is given
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if not args:
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option_parser.print_help()
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sys.exit()
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kwargs = {
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'parent_width': options.width, 'parent_height': options.height,
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'dpi': float(options.dpi), 'unsafe': options.unsafe}
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if not options.output or options.output == '-':
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# Python 2/3 hack
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bytes_stdout = getattr(sys.stdout, "buffer", sys.stdout)
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kwargs['write_to'] = bytes_stdout
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else:
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kwargs['write_to'] = options.output
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url = args[0]
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if url == "-":
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# Python 2/3 hack
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bytes_stdin = getattr(sys.stdin, "buffer", sys.stdin)
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kwargs['file_obj'] = bytes_stdin
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else:
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kwargs['url'] = url
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output_format = (
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options.format or
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os.path.splitext(options.output)[1].lstrip(".") or
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"pdf")
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SURFACES[output_format.upper()].convert(**kwargs)
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