本文整理匯總了Python中pants.backend.python.python_chroot.PythonChroot.path方法的典型用法代碼示例。如果您正苦於以下問題：Python PythonChroot.path方法的具體用法？Python PythonChroot.path怎麽用？Python PythonChroot.path使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類pants.backend.python.python_chroot.PythonChroot的用法示例。
在下文中一共展示了PythonChroot.path方法的1個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: _compile_target
# 需要導入模塊: from pants.backend.python.python_chroot import PythonChroot [as 別名]
# 或者: from pants.backend.python.python_chroot.PythonChroot import path [as 別名]
def _compile_target(self, target):
# "Compiles" a target by forming an isolated chroot of its sources and transitive deps and then
# attempting to import each of the target's sources in the case of a python library or else the
# entry point in the case of a python binary.
#
# For a library with sources lib/core.py and lib/util.py a "compiler" main file would look like:
#
# if __name__ == '__main__':
# import lib.core
# import lib.util
#
# For a binary with entry point lib.bin:main the "compiler" main file would look like:
#
# if __name__ == '__main__':
# from lib.bin import main
#
# In either case the main file is executed within the target chroot to reveal missing BUILD
# dependencies.
with self.context.new_workunit(name=target.address.spec):
modules = []
if isinstance(target, PythonBinary):
source = 'entry_point {}'.format(target.entry_point)
components = target.entry_point.rsplit(':', 1)
module = components[0]
if len(components) == 2:
function = components[1]
data = TemplateData(source=source,
import_statement='from {} import {}'.format(module, function))
else:
data = TemplateData(source=source, import_statement='import {}'.format(module))
modules.append(data)
else:
for path in target.sources_relative_to_source_root():
if path.endswith('.py'):
if os.path.basename(path) == '__init__.py':
module_path = os.path.dirname(path)
else:
module_path, _ = os.path.splitext(path)
source = 'file {}'.format(os.path.join(target.target_base, path))
module = module_path.replace(os.path.sep, '.')
data = TemplateData(source=source, import_statement='import {}'.format(module))
modules.append(data)
if not modules:
# Nothing to eval, so a trivial compile success.
return 0
interpreter = self.select_interpreter_for_targets([target])
if isinstance(target, PythonBinary):
pexinfo, platforms = target.pexinfo, target.platforms
else:
pexinfo, platforms = None, None
with self.temporary_pex_builder(interpreter=interpreter, pex_info=pexinfo) as builder:
with self.context.new_workunit(name='resolve'):
chroot = PythonChroot(
context=self.context,
targets=[target],
builder=builder,
platforms=platforms,
interpreter=interpreter)
chroot.dump()
with temporary_file() as imports_file:
generator = Generator(pkgutil.get_data(__name__, self._EVAL_TEMPLATE_PATH),
chroot=chroot.path(),
modules=modules)
generator.write(imports_file)
imports_file.close()
builder.set_executable(imports_file.name, '__pants_python_eval__.py')
builder.freeze()
pex = PEX(builder.path(), interpreter=interpreter)
with self.context.new_workunit(name='eval',
labels=[WorkUnit.COMPILER, WorkUnit.RUN, WorkUnit.TOOL],
cmd=' '.join(pex.cmdline())) as workunit:
returncode = pex.run(stdout=workunit.output('stdout'), stderr=workunit.output('stderr'))
workunit.set_outcome(WorkUnit.SUCCESS if returncode == 0 else WorkUnit.FAILURE)
if returncode != 0:
self.context.log.error('Failed to eval {}'.format(target.address.spec))
return returncode