def compile_code(cls, code, filename=None, exec_namespace=None):
"""Compile and possibly execute rex code.
Args:
code (str or SourceCode): The python code to compile.
filename (str): File to associate with the code, will default to
'<string>'.
exec_namespace (dict): Namespace to execute the code in. If None,
the code is not executed.
Returns:
Compiled code object.
"""
if filename is None:
if isinstance(code, SourceCode):
filename = code.sourcename
else:
filename = "<string>"
# compile
try:
if isinstance(code, SourceCode):
pyc = code.compiled
else:
pyc = compile(code, filename, 'exec')
except SourceCodeError as e:
reraise(e, RexError)
except Exception as e:
stack = traceback.format_exc()
raise RexError("Failed to compile %s:\n\n%s" % (filename, stack))
error_class = Exception if config.catch_rex_errors else None
# execute
if exec_namespace is not None:
try:
if isinstance(code, SourceCode):
code.exec_(globals_=exec_namespace)
else:
exec(pyc, exec_namespace)
except RexError:
raise
except SourceCodeError as e:
reraise(e, RexError)
except error_class as e:
stack = traceback.format_exc()
raise RexError("Failed to exec %s:\n\n%s" % (filename, stack))
return pyc
def compile_code(cls, code, filename=None, exec_namespace=None):
"""Compile and possibly execute rex code.
Args:
code (str or SourceCode): The python code to compile.
filename (str): File to associate with the code, will default to
'<string>'.
namespace (dict): Namespace to execute the code in. If None, the
code is not executed.
Returns:
Compiled code object.
"""
if filename is None:
if isinstance(code, SourceCode):
filename = code.sourcename
else:
filename = "<string>"
# compile
try:
if isinstance(code, SourceCode):
pyc = code.compiled
else:
pyc = compile(code, filename, 'exec')
except SourceCodeError as e:
reraise(e, RexError)
except Exception as e:
stack = traceback.format_exc()
raise RexError("Failed to compile %s:\n\n%s" % (filename, stack))
error_class = Exception if config.catch_rex_errors else None
# execute
if exec_namespace is not None:
try:
if isinstance(code, SourceCode):
code.exec_(globals_=exec_namespace)
else:
exec pyc in exec_namespace
except RexError:
raise
except SourceCodeError as e:
reraise(e, RexError)
except error_class as e:
stack = traceback.format_exc()
raise RexError("Failed to exec %s:\n\n%s" % (filename, stack))
return pyc
def parent(self):
"""Get the parent package.
Returns:
`Package`.
"""
if self._parent is not None:
return self._parent
try:
package = self.repository.get_parent_package(self.resource)
self._parent = Package(package, context=self.context)
except AttributeError as e:
reraise(e, ValueError)
return self._parent
def requires(self):
"""Get variant requirements.
This is a concatenation of the package requirements and those of this
specific variant.
"""
try:
package_requires = self.parent.requires or []
if self.index is None:
return package_requires
else:
variant_requires = self.parent.variants[self.index] or []
return package_requires + variant_requires
except AttributeError as e:
reraise(e, ValueError)
def requires(self):
"""Get variant requirements.
This is a concatenation of the package requirements and those of this
specific variant.
"""
try:
package_requires = self.parent.requires or []
if self.index is None:
return package_requires
else:
variant_requires = self.parent.variants[self.index] or []
return package_requires + variant_requires
except AttributeError as e:
reraise(e, ValueError)
def parent(self):
"""Get the parent package.
Returns:
`Package`.
"""
if self._parent is not None:
return self._parent
try:
package = self.repository.get_parent_package(self.resource)
self._parent = Package(package, context=self.context)
except AttributeError as e:
reraise(e, ValueError)
return self._parent
