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-rw-r--r--Lib/importlib/__init__.py43
-rw-r--r--Lib/importlib/_bootstrap.py39
-rw-r--r--Lib/importlib/abc.py4
-rw-r--r--Lib/importlib/test/source/test_abc_loader.py8
4 files changed, 52 insertions, 42 deletions
diff --git a/Lib/importlib/__init__.py b/Lib/importlib/__init__.py
index 9b20367..9672b36 100644
--- a/Lib/importlib/__init__.py
+++ b/Lib/importlib/__init__.py
@@ -26,8 +26,15 @@ import os
import re
import tokenize
+# To simplify imports in test code
+_w_long = _bootstrap._w_long
+_r_long = _bootstrap._r_long
+
+
# Bootstrap help #####################################################
+# TODO: Expose from import.c, else handle encode/decode as _os.environ returns
+# bytes.
def _case_ok(directory, check):
"""Check if the directory contains something matching 'check'.
@@ -36,37 +43,13 @@ def _case_ok(directory, check):
"""
if 'PYTHONCASEOK' in os.environ:
return True
- elif check in os.listdir(directory if directory else os.getcwd()):
+ if not directory:
+ directory = os.getcwd()
+ if check in os.listdir(directory):
return True
return False
-
-def _w_long(x):
- """Convert a 32-bit integer to little-endian.
-
- XXX Temporary until marshal's long functions are exposed.
-
- """
- x = int(x)
- int_bytes = []
- int_bytes.append(x & 0xFF)
- int_bytes.append((x >> 8) & 0xFF)
- int_bytes.append((x >> 16) & 0xFF)
- int_bytes.append((x >> 24) & 0xFF)
- return bytearray(int_bytes)
-
-
-def _r_long(int_bytes):
- """Convert 4 bytes in little-endian to an integer.
-
- XXX Temporary until marshal's long function are exposed.
-
- """
- x = int_bytes[0]
- x |= int_bytes[1] << 8
- x |= int_bytes[2] << 16
- x |= int_bytes[3] << 24
- return x
+_bootstrap._case_ok = _case_ok
# Required built-in modules.
@@ -94,10 +77,6 @@ from os import sep
# For os.path.join replacement; pull from Include/osdefs.h:SEP .
_bootstrap.path_sep = sep
-_bootstrap._case_ok = _case_ok
-marshal._w_long = _w_long
-marshal._r_long = _r_long
-
# Public API #########################################################
diff --git a/Lib/importlib/_bootstrap.py b/Lib/importlib/_bootstrap.py
index 11d7d0a..e81fa9f 100644
--- a/Lib/importlib/_bootstrap.py
+++ b/Lib/importlib/_bootstrap.py
@@ -18,6 +18,37 @@ work. One should use importlib as the public-facing version of this module.
# Bootstrap-related code ######################################################
+# TODO: Expose from marshal
+def _w_long(x):
+ """Convert a 32-bit integer to little-endian.
+
+ XXX Temporary until marshal's long functions are exposed.
+
+ """
+ x = int(x)
+ int_bytes = []
+ int_bytes.append(x & 0xFF)
+ int_bytes.append((x >> 8) & 0xFF)
+ int_bytes.append((x >> 16) & 0xFF)
+ int_bytes.append((x >> 24) & 0xFF)
+ return bytearray(int_bytes)
+
+
+# TODO: Expose from marshal
+def _r_long(int_bytes):
+ """Convert 4 bytes in little-endian to an integer.
+
+ XXX Temporary until marshal's long function are exposed.
+
+ """
+ x = int_bytes[0]
+ x |= int_bytes[1] << 8
+ x |= int_bytes[2] << 16
+ x |= int_bytes[3] << 24
+ return x
+
+
+
# XXX Could also expose Modules/getpath.c:joinpath()
def _path_join(*args):
"""Replacement for os.path.join."""
@@ -353,14 +384,14 @@ class _LoaderBasics:
except KeyError:
pass
else:
- if marshal._r_long(raw_timestamp) != source_mtime:
+ if _r_long(raw_timestamp) != source_mtime:
raise ImportError("bytecode is stale for {}".format(fullname))
try:
source_size = source_stats['size'] & 0xFFFFFFFF
except KeyError:
pass
else:
- if marshal._r_long(raw_size) != source_size:
+ if _r_long(raw_size) != source_size:
raise ImportError("bytecode is stale for {}".format(fullname))
# Can't return the code object as errors from marshal loading need to
# propagate even when source is available.
@@ -472,8 +503,8 @@ class SourceLoader(_LoaderBasics):
# their own cached file format, this block of code will most likely
# throw an exception.
data = bytearray(imp.get_magic())
- data.extend(marshal._w_long(source_mtime))
- data.extend(marshal._w_long(len(source_bytes)))
+ data.extend(_w_long(source_mtime))
+ data.extend(_w_long(len(source_bytes)))
data.extend(marshal.dumps(code_object))
try:
self.set_data(bytecode_path, data)
diff --git a/Lib/importlib/abc.py b/Lib/importlib/abc.py
index 0d37629..c4b7187 100644
--- a/Lib/importlib/abc.py
+++ b/Lib/importlib/abc.py
@@ -260,7 +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:
@@ -292,7 +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
diff --git a/Lib/importlib/test/source/test_abc_loader.py b/Lib/importlib/test/source/test_abc_loader.py
index be81992..01acda4 100644
--- a/Lib/importlib/test/source/test_abc_loader.py
+++ b/Lib/importlib/test/source/test_abc_loader.py
@@ -42,8 +42,8 @@ class SourceLoaderMock(SourceOnlyLoaderMock):
self.bytecode_path = imp.cache_from_source(self.path)
self.source_size = len(self.source)
data = bytearray(magic)
- data.extend(marshal._w_long(self.source_mtime))
- data.extend(marshal._w_long(self.source_size))
+ data.extend(importlib._w_long(self.source_mtime))
+ data.extend(importlib._w_long(self.source_size))
code_object = compile(self.source, self.path, 'exec',
dont_inherit=True)
data.extend(marshal.dumps(code_object))
@@ -658,8 +658,8 @@ class SourceLoaderBytecodeTests(SourceLoaderTestHarness):
if bytecode_written:
self.assertIn(self.cached, self.loader.written)
data = bytearray(imp.get_magic())
- data.extend(marshal._w_long(self.loader.source_mtime))
- data.extend(marshal._w_long(self.loader.source_size))
+ data.extend(importlib._w_long(self.loader.source_mtime))
+ data.extend(importlib._w_long(self.loader.source_size))
data.extend(marshal.dumps(code_object))
self.assertEqual(self.loader.written[self.cached], bytes(data))
generated by cgit v0.12 at 2024-11-27 20:46:24 (GMT)