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Issue #15627: Add the compile_source() method to

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importlib.abc.SourceLoader.

This provides an easy hook into the import system to allow for source
transformations, AST optimizations, etc.
This commit is contained in:
Brett Cannon 2012-11-18 10:03:31 -05:00
parent 195ad6ce05
commit 5650e4f41c
5 changed files with 2404 additions and 2360 deletions
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12
Lib/importlib/_bootstrap.py
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@ -931,6 +931,14 @@ class SourceLoader(_LoaderBasics):
raise ImportError("Failed to decode source file",
name=fullname) from exc
def compile_source(self, data, path):
"""Return the code object compiled from source.
The 'data' argument can be any object type that compile() supports.
"""
return _call_with_frames_removed(compile, data, path, 'exec',
dont_inherit=True)
def get_code(self, fullname):
"""Concrete implementation of InspectLoader.get_code.
@ -976,9 +984,7 @@ class SourceLoader(_LoaderBasics):
raise ImportError(msg.format(bytecode_path),
name=fullname, path=bytecode_path)
source_bytes = self.get_data(source_path)
code_object = _call_with_frames_removed(compile,
source_bytes, source_path, 'exec',
dont_inherit=True)
code_object = self.compile_source(source_bytes, source_path)
_verbose_message('code object from {}', source_path)
if (not sys.dont_write_bytecode and bytecode_path is not None and
source_mtime is not None):