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Python matplotlib.checkdep_ghostscript函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了Python中matplotlib.checkdep_ghostscript函数的典型用法代码示例。如果您正苦于以下问题:Python checkdep_ghostscript函数的具体用法?Python checkdep_ghostscript怎么用?Python checkdep_ghostscript使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了checkdep_ghostscript函数的8个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于我们的系统推荐出更棒的Python代码示例。

示例1: make_pdf_to_png_converter

def make_pdf_to_png_converter():
    """
    Returns a function that converts a pdf file to a png file.
    """

    tools_available = []
    # check for pdftocairo
    try:
        check_output(["pdftocairo", "-v"], stderr=subprocess.STDOUT)
        tools_available.append("pdftocairo")
    except:
        pass
    # check for ghostscript
    gs, ver = mpl.checkdep_ghostscript()
    if gs:
        tools_available.append("gs")

    # pick converter
    if "pdftocairo" in tools_available:
        def cairo_convert(pdffile, pngfile, dpi):
            cmd = ["pdftocairo", "-singlefile", "-png",
                   "-r %d" % dpi, pdffile, os.path.splitext(pngfile)[0]]
            # for some reason this doesn't work without shell
            check_output(" ".join(cmd), shell=True, stderr=subprocess.STDOUT)
        return cairo_convert
    elif "gs" in tools_available:
        def gs_convert(pdffile, pngfile, dpi):
            cmd = [gs, '-dQUIET', '-dSAFER', '-dBATCH', '-dNOPAUSE', '-dNOPROMPT',
                   '-sDEVICE=png16m', '-dUseCIEColor', '-dTextAlphaBits=4',
                   '-dGraphicsAlphaBits=4', '-dDOINTERPOLATE', '-sOutputFile=%s' % pngfile,
                   '-r%d' % dpi, pdffile]
            check_output(cmd, stderr=subprocess.STDOUT)
        return gs_convert
    else:
        raise RuntimeError("No suitable pdf to png renderer found.")
开发者ID:717524640,项目名称:matplotlib,代码行数:35,代码来源:backend_pgf.py


示例2: _update_converter

def _update_converter():
    gs, gs_v = matplotlib.checkdep_ghostscript()
    if gs_v is not None:
        def cmd(old, new):
            return [str(gs), '-q', '-sDEVICE=png16m', '-dNOPAUSE', '-dBATCH',
             '-sOutputFile=' + new, old]
        converter['pdf'] = make_external_conversion_command(cmd)
        converter['eps'] = make_external_conversion_command(cmd)

    if matplotlib.checkdep_inkscape() is not None:
        converter['svg'] = _SVGConverter()
开发者ID:Eric89GXL,项目名称:matplotlib,代码行数:11,代码来源:compare.py


示例3: _update_converter

def _update_converter():
    gs, gs_v = matplotlib.checkdep_ghostscript()
    if gs_v is not None:
        cmd = lambda old, new: \
            [gs, '-q', '-sDEVICE=png16m', '-dNOPAUSE', '-dBATCH',
             '-sOutputFile=' + new, old]
        converter['pdf'] = make_external_conversion_command(cmd)
        converter['eps'] = make_external_conversion_command(cmd)

    if matplotlib.checkdep_inkscape() is not None:
        cmd = lambda old, new: \
            ['inkscape', '-z', old, '--export-png', new]
        converter['svg'] = make_external_conversion_command(cmd)
开发者ID:Creence,项目名称:matplotlib,代码行数:13,代码来源:compare.py


示例4: _update_converter

def _update_converter():
    gs, gs_v = matplotlib.checkdep_ghostscript()
    if gs_v is not None:

        def cmd(old, new):
            return [gs, "-q", "-sDEVICE=png16m", "-dNOPAUSE", "-dBATCH", "-sOutputFile=" + new, old]

        converter["pdf"] = make_external_conversion_command(cmd)
        converter["eps"] = make_external_conversion_command(cmd)

    if matplotlib.checkdep_inkscape() is not None:

        def cmd(old, new):
            return ["inkscape", "-z", old, "--export-png", new]

        converter["svg"] = make_external_conversion_command(cmd)
开发者ID:meizhoubao,项目名称:matplotlib,代码行数:16,代码来源:compare.py


示例5: import

from __future__ import (absolute_import, division, print_function,
                        unicode_literals)

import io
import re
import numpy as np
import six

import matplotlib
import matplotlib.pyplot as plt
from matplotlib import patheffects
from matplotlib.testing.decorators import cleanup, knownfailureif


needs_ghostscript = knownfailureif(
    matplotlib.checkdep_ghostscript()[0] is None,
    "This test needs a ghostscript installation")


needs_tex = knownfailureif(
    not matplotlib.checkdep_tex(),
    "This test needs a TeX installation")


def _test_savefig_to_stringio(format='ps', use_log=False):
    fig, ax = plt.subplots()
    buffers = [
        six.moves.StringIO(),
        io.StringIO(),
        io.BytesIO()]
开发者ID:Jajauma,项目名称:dotfiles,代码行数:30,代码来源:test_backend_ps.py


示例6: convert

   def convert(old, new):
      cmdline = cmd(old, new)
      pipe = subprocess.Popen(cmdline, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      stdout, stderr = pipe.communicate()
      errcode = pipe.wait()
      if not os.path.exists(new) or errcode:
         msg = "Conversion command failed:\n%s\n" % ' '.join(cmdline)
         if stdout:
            msg += "Standard output:\n%s\n" % stdout
         if stderr:
            msg += "Standard error:\n%s\n" % stderr
         raise IOError(msg)

   return convert

if matplotlib.checkdep_ghostscript() is not None:
    if sys.platform == 'win32':
        gs = 'gswin32c'
    else:
        gs = 'gs'

    cmd = lambda old, new: \
        [gs, '-q', '-sDEVICE=png16m', '-dNOPAUSE', '-dBATCH',
        '-sOutputFile=' + new, old]
    converter['pdf'] = make_external_conversion_command(cmd)
    converter['eps'] = make_external_conversion_command(cmd)

if matplotlib.checkdep_inkscape() is not None:
   cmd = lambda old, new: \
             ['inkscape', '-z', old, '--export-png', new]
   converter['svg'] = make_external_conversion_command(cmd)
开发者ID:bfroehle,项目名称:matplotlib,代码行数:31,代码来源:compare.py


示例7: convert

   def convert(old, new):
      cmdline = cmd(old, new)
      pipe = subprocess.Popen(cmdline, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
      stdout, stderr = pipe.communicate()
      errcode = pipe.wait()
      if not os.path.exists(new) or errcode:
         msg = "Conversion command failed:\n%s\n" % ' '.join(cmdline)
         if stdout:
            msg += "Standard output:\n%s\n" % stdout
         if stderr:
            msg += "Standard error:\n%s\n" % stderr
         raise IOError(msg)

   return convert

gs, gs_v = matplotlib.checkdep_ghostscript()
if gs_v is not None:
    cmd = lambda old, new: \
        [gs, '-q', '-sDEVICE=png16m', '-dNOPAUSE', '-dBATCH',
        '-sOutputFile=' + new, old]
    converter['pdf'] = make_external_conversion_command(cmd)
    converter['eps'] = make_external_conversion_command(cmd)

if matplotlib.checkdep_inkscape() is not None:
   cmd = lambda old, new: \
             ['inkscape', '-z', old, '--export-png', new]
   converter['svg'] = make_external_conversion_command(cmd)

def comparable_formats():
   '''Returns the list of file formats that compare_images can compare
   on this system.'''
开发者ID:Honglongwu,项目名称:matplotlib,代码行数:31,代码来源:compare.py


示例8: _update_converter

def _update_converter():
    gs, gs_v = matplotlib.checkdep_ghostscript()
    if gs_v is not None:
        converter['pdf'] = converter['eps'] = _GSConverter()
    if matplotlib.checkdep_inkscape() is not None:
        converter['svg'] = _SVGConverter()
开发者ID:endolith,项目名称:matplotlib,代码行数:6,代码来源:compare.py



注:本文中的matplotlib.checkdep_ghostscript函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。


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Python matplotlib.checkdep_inkscape函数代码示例发布时间:2022-05-27
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