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-rw-r--r--Lib/importlib/abc.py23
1 files changed, 18 insertions, 5 deletions
diff --git a/Lib/importlib/abc.py b/Lib/importlib/abc.py
index fa343f8..c4b7187 100644
--- a/Lib/importlib/abc.py
+++ b/Lib/importlib/abc.py
@@ -123,7 +123,20 @@ class SourceLoader(_bootstrap.SourceLoader, ResourceLoader, ExecutionLoader):
def path_mtime(self, path):
"""Return the (int) modification time for the path (str)."""
- raise NotImplementedError
+ if self.path_stats.__func__ is SourceLoader.path_stats:
+ raise NotImplementedError
+ return int(self.path_stats(path)['mtime'])
+
+ def path_stats(self, path):
+ """Return a metadata dict for the source pointed to by the path (str).
+ Possible keys:
+ - 'mtime' (mandatory) is the numeric timestamp of last source
+ code modification;
+ - 'size' (optional) is the size in bytes of the source code.
+ """
+ if self.path_mtime.__func__ is SourceLoader.path_mtime:
+ raise NotImplementedError
+ return {'mtime': self.path_mtime(path)}
def set_data(self, path, data):
"""Write the bytes to the path (if possible).
@@ -195,7 +208,7 @@ class PyLoader(SourceLoader):
"use SourceLoader instead. "
"See the importlib documentation on how to be "
"compatible with Python 3.1 onwards.",
- PendingDeprecationWarning)
+ DeprecationWarning)
path = self.source_path(fullname)
if path is None:
raise ImportError
@@ -234,7 +247,7 @@ class PyPycLoader(PyLoader):
"removal in Python 3.4; use SourceLoader instead. "
"If Python 3.1 compatibility is required, see the "
"latest documentation for PyLoader.",
- PendingDeprecationWarning)
+ DeprecationWarning)
source_timestamp = self.source_mtime(fullname)
# Try to use bytecode if it is available.
bytecode_path = self.bytecode_path(fullname)
@@ -247,7 +260,7 @@ class PyPycLoader(PyLoader):
raw_timestamp = data[4:8]
if len(raw_timestamp) < 4:
raise EOFError("bad timestamp in {}".format(fullname))
- pyc_timestamp = marshal._r_long(raw_timestamp)
+ pyc_timestamp = _bootstrap._r_long(raw_timestamp)
bytecode = data[8:]
# Verify that the magic number is valid.
if imp.get_magic() != magic:
@@ -279,7 +292,7 @@ class PyPycLoader(PyLoader):
# Generate bytecode and write it out.
if not sys.dont_write_bytecode:
data = bytearray(imp.get_magic())
- data.extend(marshal._w_long(source_timestamp))
+ data.extend(_bootstrap._w_long(source_timestamp))
data.extend(marshal.dumps(code_object))
self.write_bytecode(fullname, data)
return code_object