本文整理汇总了Python中utilities.getExecutablePath函数的典型用法代码示例。如果您正苦于以下问题：Python getExecutablePath函数的具体用法？Python getExecutablePath怎么用？Python getExecutablePath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getExecutablePath函数的1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，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: _pdf_to_png
def _pdf_to_png(self, pdf_file_path, rendered_file_path, page, dpi=96):
# PDF-to-image utility
# look for Poppler w/ Cairo, then muPDF
# * Poppler w/ Cairo renders correctly
# * Poppler w/o Cairo does not always correctly render vectors in PDF to image
# * muPDF renders correctly, but slightly shifts colors
for util in [
'pdftocairo',
# 'mudraw',
]:
PDFUTIL = getExecutablePath(util)
if PDFUTIL:
break
# noinspection PyUnboundLocalVariable
if not PDFUTIL:
assert False, ('PDF-to-image utility not found on PATH: '
'install Poppler (with Cairo)')
if PDFUTIL.strip().endswith('pdftocairo'):
filebase = os.path.join(
os.path.dirname(rendered_file_path),
os.path.splitext(os.path.basename(rendered_file_path))[0]
)
call = [
PDFUTIL, '-png', '-singlefile', '-r', str(dpi),
'-x', '0', '-y', '0', '-f', str(page), '-l', str(page),
pdf_file_path, filebase
]
elif PDFUTIL.strip().endswith('mudraw'):
call = [
PDFUTIL, '-c', 'rgba',
'-r', str(dpi), '-f', str(page), '-l', str(page),
# '-b', '8',
'-o', rendered_file_path, pdf_file_path
]
else:
return False, ''
print("exportToPdf call: {0}".format(' '.join(call)))
try:
subprocess.check_call(call)
except subprocess.CalledProcessError as e:
assert False, ("exportToPdf failed!\n"
"cmd: {0}\n"
"returncode: {1}\n"
"message: {2}".format(e.cmd, e.returncode, e.message))