Viewing file:  msvc9_support.py (2.14 KB) -rw-r--r--
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try:
import distutils.msvc9compiler
except ImportError:
pass
unpatched = dict()
def patch_for_specialized_compiler():
"""
Patch functions in distutils.msvc9compiler to use the standalone compiler
build for Python (Windows only). Fall back to original behavior when the
standalone compiler is not available.
"""
if 'distutils' not in globals():
# The module isn't available to be patched
return
if unpatched:
# Already patched
return
unpatched.update(vars(distutils.msvc9compiler))
distutils.msvc9compiler.find_vcvarsall = find_vcvarsall
distutils.msvc9compiler.query_vcvarsall = query_vcvarsall
def find_vcvarsall(version):
Reg = distutils.msvc9compiler.Reg
VC_BASE = r'Software\%sMicrosoft\DevDiv\VCForPython\%0.1f'
key = VC_BASE % ('', version)
try:
# Per-user installs register the compiler path here
productdir = Reg.get_value(key, "installdir")
except KeyError:
try:
# All-user installs on a 64-bit system register here
key = VC_BASE % ('Wow6432Node\\', version)
productdir = Reg.get_value(key, "installdir")
except KeyError:
productdir = None
if productdir:
import os
vcvarsall = os.path.join(productdir, "vcvarsall.bat")
if os.path.isfile(vcvarsall):
return vcvarsall
return unpatched['find_vcvarsall'](version)
def query_vcvarsall(version, *args, **kwargs):
try:
return unpatched['query_vcvarsall'](version, *args, **kwargs)
except distutils.errors.DistutilsPlatformError as exc:
if exc and "vcvarsall.bat" in exc.args[0]:
message = 'Microsoft Visual C++ %0.1f is required (%s).' % (version, exc.args[0])
if int(version) == 9:
# This redirection link is maintained by Microsoft.
# Contact vspython@microsoft.com if it needs updating.
raise distutils.errors.DistutilsPlatformError(
message + ' Get it from http://aka.ms/vcpython27'
)
raise distutils.errors.DistutilsPlatformError(message)
raise
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