Issue #23970: Adds distutils._msvccompiler for new Visual Studio versions.

This commit is contained in:
Steve Dower 2015-05-23 09:02:50 -07:00
parent 7689154f58
commit fd3664be00
6 changed files with 751 additions and 39 deletions

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@ -0,0 +1,561 @@
"""distutils._msvccompiler
Contains MSVCCompiler, an implementation of the abstract CCompiler class
for Microsoft Visual Studio 2015.
The module is compatible with VS 2015 and later. You can find legacy support
for older versions in distutils.msvc9compiler and distutils.msvccompiler.
"""
# Written by Perry Stoll
# hacked by Robin Becker and Thomas Heller to do a better job of
# finding DevStudio (through the registry)
# ported to VS 2005 and VS 2008 by Christian Heimes
# ported to VS 2015 by Steve Dower
import os
import subprocess
import re
from distutils.errors import DistutilsExecError, DistutilsPlatformError, \
CompileError, LibError, LinkError
from distutils.ccompiler import CCompiler, gen_lib_options
from distutils import log
from distutils.util import get_platform
import winreg
from itertools import count
def _find_vcvarsall():
with winreg.OpenKeyEx(
winreg.HKEY_LOCAL_MACHINE,
r"Software\Microsoft\VisualStudio\SxS\VC7",
access=winreg.KEY_READ | winreg.KEY_WOW64_32KEY
) as key:
if not key:
log.debug("Visual C++ is not registered")
return None
best_version = 0
best_dir = None
for i in count():
try:
v, vc_dir, vt = winreg.EnumValue(key, i)
except OSError:
break
if v and vt == winreg.REG_SZ and os.path.isdir(vc_dir):
try:
version = int(float(v))
except (ValueError, TypeError):
continue
if version >= 14 and version > best_version:
best_version, best_dir = version, vc_dir
if not best_version:
log.debug("No suitable Visual C++ version found")
return None
vcvarsall = os.path.join(best_dir, "vcvarsall.bat")
if not os.path.isfile(vcvarsall):
log.debug("%s cannot be found", vcvarsall)
return None
return vcvarsall
def _get_vc_env(plat_spec):
if os.getenv("DISTUTILS_USE_SDK"):
return {
key.lower(): value
for key, value in os.environ.items()
}
vcvarsall = _find_vcvarsall()
if not vcvarsall:
raise DistutilsPlatformError("Unable to find vcvarsall.bat")
try:
out = subprocess.check_output(
'"{}" {} && set'.format(vcvarsall, plat_spec),
shell=True,
stderr=subprocess.STDOUT,
universal_newlines=True,
)
except subprocess.CalledProcessError as exc:
log.error(exc.output)
raise DistutilsPlatformError("Error executing {}"
.format(exc.cmd))
return {
key.lower(): value
for key, _, value in
(line.partition('=') for line in out.splitlines())
if key and value
}
def _find_exe(exe, paths=None):
"""Return path to an MSVC executable program.
Tries to find the program in several places: first, one of the
MSVC program search paths from the registry; next, the directories
in the PATH environment variable. If any of those work, return an
absolute path that is known to exist. If none of them work, just
return the original program name, 'exe'.
"""
if not paths:
paths = os.getenv('path').split(os.pathsep)
for p in paths:
fn = os.path.join(os.path.abspath(p), exe)
if os.path.isfile(fn):
return fn
return exe
# A map keyed by get_platform() return values to values accepted by
# 'vcvarsall.bat'. Note a cross-compile may combine these (eg, 'x86_amd64' is
# the param to cross-compile on x86 targetting amd64.)
PLAT_TO_VCVARS = {
'win32' : 'x86',
'win-amd64' : 'amd64',
}
class MSVCCompiler(CCompiler) :
"""Concrete class that implements an interface to Microsoft Visual C++,
as defined by the CCompiler abstract class."""
compiler_type = 'msvc'
# Just set this so CCompiler's constructor doesn't barf. We currently
# don't use the 'set_executables()' bureaucracy provided by CCompiler,
# as it really isn't necessary for this sort of single-compiler class.
# Would be nice to have a consistent interface with UnixCCompiler,
# though, so it's worth thinking about.
executables = {}
# Private class data (need to distinguish C from C++ source for compiler)
_c_extensions = ['.c']
_cpp_extensions = ['.cc', '.cpp', '.cxx']
_rc_extensions = ['.rc']
_mc_extensions = ['.mc']
# Needed for the filename generation methods provided by the
# base class, CCompiler.
src_extensions = (_c_extensions + _cpp_extensions +
_rc_extensions + _mc_extensions)
res_extension = '.res'
obj_extension = '.obj'
static_lib_extension = '.lib'
shared_lib_extension = '.dll'
static_lib_format = shared_lib_format = '%s%s'
exe_extension = '.exe'
def __init__(self, verbose=0, dry_run=0, force=0):
CCompiler.__init__ (self, verbose, dry_run, force)
# target platform (.plat_name is consistent with 'bdist')
self.plat_name = None
self.initialized = False
def initialize(self, plat_name=None):
# multi-init means we would need to check platform same each time...
assert not self.initialized, "don't init multiple times"
if plat_name is None:
plat_name = get_platform()
# sanity check for platforms to prevent obscure errors later.
if plat_name not in PLAT_TO_VCVARS:
raise DistutilsPlatformError("--plat-name must be one of {}"
.format(tuple(PLAT_TO_VCVARS)))
# On x86, 'vcvarsall.bat amd64' creates an env that doesn't work;
# to cross compile, you use 'x86_amd64'.
# On AMD64, 'vcvarsall.bat amd64' is a native build env; to cross
# compile use 'x86' (ie, it runs the x86 compiler directly)
if plat_name == get_platform() or plat_name == 'win32':
# native build or cross-compile to win32
plat_spec = PLAT_TO_VCVARS[plat_name]
else:
# cross compile from win32 -> some 64bit
plat_spec = '{}_{}'.format(
PLAT_TO_VCVARS[get_platform()],
PLAT_TO_VCVARS[plat_name]
)
vc_env = _get_vc_env(plat_spec)
if not vc_env:
raise DistutilsPlatformError("Unable to find a compatible "
"Visual Studio installation.")
paths = vc_env.get('path', '').split(os.pathsep)
self.cc = _find_exe("cl.exe", paths)
self.linker = _find_exe("link.exe", paths)
self.lib = _find_exe("lib.exe", paths)
self.rc = _find_exe("rc.exe", paths) # resource compiler
self.mc = _find_exe("mc.exe", paths) # message compiler
self.mt = _find_exe("mt.exe", paths) # message compiler
for dir in vc_env.get('include', '').split(os.pathsep):
if dir:
self.add_include_dir(dir)
for dir in vc_env.get('lib', '').split(os.pathsep):
if dir:
self.add_library_dir(dir)
self.preprocess_options = None
self.compile_options = [
'/nologo', '/Ox', '/MD', '/W3', '/GL', '/DNDEBUG'
]
self.compile_options_debug = [
'/nologo', '/Od', '/MDd', '/Zi', '/W3', '/D_DEBUG'
]
self.ldflags_shared = [
'/nologo', '/DLL', '/INCREMENTAL:NO'
]
self.ldflags_shared_debug = [
'/nologo', '/DLL', '/INCREMENTAL:no', '/DEBUG:FULL'
]
self.ldflags_static = [
'/nologo'
]
self.initialized = True
# -- Worker methods ------------------------------------------------
def object_filenames(self,
source_filenames,
strip_dir=0,
output_dir=''):
ext_map = {ext: self.obj_extension for ext in self.src_extensions}
ext_map.update((ext, self.res_extension)
for ext in self._rc_extensions + self._mc_extensions)
def make_out_path(p):
base, ext = os.path.splitext(p)
if strip_dir:
base = os.path.basename(base)
else:
_, base = os.path.splitdrive(base)
if base.startswith((os.path.sep, os.path.altsep)):
base = base[1:]
try:
return base + ext_map[ext]
except LookupError:
# Better to raise an exception instead of silently continuing
# and later complain about sources and targets having
# different lengths
raise CompileError("Don't know how to compile {}".format(p))
output_dir = output_dir or ''
return [
os.path.join(output_dir, make_out_path(src_name))
for src_name in source_filenames
]
def compile(self, sources,
output_dir=None, macros=None, include_dirs=None, debug=0,
extra_preargs=None, extra_postargs=None, depends=None):
if not self.initialized:
self.initialize()
compile_info = self._setup_compile(output_dir, macros, include_dirs,
sources, depends, extra_postargs)
macros, objects, extra_postargs, pp_opts, build = compile_info
compile_opts = extra_preargs or []
compile_opts.append('/c')
if debug:
compile_opts.extend(self.compile_options_debug)
else:
compile_opts.extend(self.compile_options)
add_cpp_opts = False
for obj in objects:
try:
src, ext = build[obj]
except KeyError:
continue
if debug:
# pass the full pathname to MSVC in debug mode,
# this allows the debugger to find the source file
# without asking the user to browse for it
src = os.path.abspath(src)
if ext in self._c_extensions:
input_opt = "/Tc" + src
elif ext in self._cpp_extensions:
input_opt = "/Tp" + src
add_cpp_opts = True
elif ext in self._rc_extensions:
# compile .RC to .RES file
input_opt = src
output_opt = "/fo" + obj
try:
self.spawn([self.rc] + pp_opts + [output_opt, input_opt])
except DistutilsExecError as msg:
raise CompileError(msg)
continue
elif ext in self._mc_extensions:
# Compile .MC to .RC file to .RES file.
# * '-h dir' specifies the directory for the
# generated include file
# * '-r dir' specifies the target directory of the
# generated RC file and the binary message resource
# it includes
#
# For now (since there are no options to change this),
# we use the source-directory for the include file and
# the build directory for the RC file and message
# resources. This works at least for win32all.
h_dir = os.path.dirname(src)
rc_dir = os.path.dirname(obj)
try:
# first compile .MC to .RC and .H file
self.spawn([self.mc, '-h', h_dir, '-r', rc_dir, src])
base, _ = os.path.splitext(os.path.basename (src))
rc_file = os.path.join(rc_dir, base + '.rc')
# then compile .RC to .RES file
self.spawn([self.rc, "/fo" + obj, rc_file])
except DistutilsExecError as msg:
raise CompileError(msg)
continue
else:
# how to handle this file?
raise CompileError("Don't know how to compile {} to {}"
.format(src, obj))
args = [self.cc] + compile_opts + pp_opts
if add_cpp_opts:
args.append('/EHsc')
args.append(input_opt)
args.append("/Fo" + obj)
args.extend(extra_postargs)
try:
self.spawn(args)
except DistutilsExecError as msg:
raise CompileError(msg)
return objects
def create_static_lib(self,
objects,
output_libname,
output_dir=None,
debug=0,
target_lang=None):
if not self.initialized:
self.initialize()
objects, output_dir = self._fix_object_args(objects, output_dir)
output_filename = self.library_filename(output_libname,
output_dir=output_dir)
if self._need_link(objects, output_filename):
lib_args = objects + ['/OUT:' + output_filename]
if debug:
pass # XXX what goes here?
try:
self.spawn([self.lib] + lib_args)
except DistutilsExecError as msg:
raise LibError(msg)
else:
log.debug("skipping %s (up-to-date)", output_filename)
def link(self,
target_desc,
objects,
output_filename,
output_dir=None,
libraries=None,
library_dirs=None,
runtime_library_dirs=None,
export_symbols=None,
debug=0,
extra_preargs=None,
extra_postargs=None,
build_temp=None,
target_lang=None):
if not self.initialized:
self.initialize()
objects, output_dir = self._fix_object_args(objects, output_dir)
fixed_args = self._fix_lib_args(libraries, library_dirs,
runtime_library_dirs)
libraries, library_dirs, runtime_library_dirs = fixed_args
if runtime_library_dirs:
self.warn("I don't know what to do with 'runtime_library_dirs': "
+ str(runtime_library_dirs))
lib_opts = gen_lib_options(self,
library_dirs, runtime_library_dirs,
libraries)
if output_dir is not None:
output_filename = os.path.join(output_dir, output_filename)
if self._need_link(objects, output_filename):
ldflags = (self.ldflags_shared_debug if debug
else self.ldflags_shared)
if target_desc == CCompiler.EXECUTABLE:
ldflags = ldflags[1:]
export_opts = []
for sym in (export_symbols or []):
export_opts.append("/EXPORT:" + sym)
ld_args = (ldflags + lib_opts + export_opts +
objects + ['/OUT:' + output_filename])
# The MSVC linker generates .lib and .exp files, which cannot be
# suppressed by any linker switches. The .lib files may even be
# needed! Make sure they are generated in the temporary build
# directory. Since they have different names for debug and release
# builds, they can go into the same directory.
build_temp = os.path.dirname(objects[0])
if export_symbols is not None:
(dll_name, dll_ext) = os.path.splitext(
os.path.basename(output_filename))
implib_file = os.path.join(
build_temp,
self.library_filename(dll_name))
ld_args.append ('/IMPLIB:' + implib_file)
self.manifest_setup_ldargs(output_filename, build_temp, ld_args)
if extra_preargs:
ld_args[:0] = extra_preargs
if extra_postargs:
ld_args.extend(extra_postargs)
self.mkpath(os.path.dirname(output_filename))
try:
self.spawn([self.linker] + ld_args)
except DistutilsExecError as msg:
raise LinkError(msg)
# embed the manifest
# XXX - this is somewhat fragile - if mt.exe fails, distutils
# will still consider the DLL up-to-date, but it will not have a
# manifest. Maybe we should link to a temp file? OTOH, that
# implies a build environment error that shouldn't go undetected.
mfinfo = self.manifest_get_embed_info(target_desc, ld_args)
if mfinfo is not None:
mffilename, mfid = mfinfo
out_arg = '-outputresource:{};{}'.format(output_filename, mfid)
try:
self.spawn([self.mt, '-nologo', '-manifest',
mffilename, out_arg])
except DistutilsExecError as msg:
raise LinkError(msg)
else:
log.debug("skipping %s (up-to-date)", output_filename)
def manifest_setup_ldargs(self, output_filename, build_temp, ld_args):
# If we need a manifest at all, an embedded manifest is recommended.
# See MSDN article titled
# "How to: Embed a Manifest Inside a C/C++ Application"
# (currently at http://msdn2.microsoft.com/en-us/library/ms235591(VS.80).aspx)
# Ask the linker to generate the manifest in the temp dir, so
# we can check it, and possibly embed it, later.
temp_manifest = os.path.join(
build_temp,
os.path.basename(output_filename) + ".manifest")
ld_args.append('/MANIFESTFILE:' + temp_manifest)
def manifest_get_embed_info(self, target_desc, ld_args):
# If a manifest should be embedded, return a tuple of
# (manifest_filename, resource_id). Returns None if no manifest
# should be embedded. See http://bugs.python.org/issue7833 for why
# we want to avoid any manifest for extension modules if we can)
for arg in ld_args:
if arg.startswith("/MANIFESTFILE:"):
temp_manifest = arg.split(":", 1)[1]
break
else:
# no /MANIFESTFILE so nothing to do.
return None
if target_desc == CCompiler.EXECUTABLE:
# by default, executables always get the manifest with the
# CRT referenced.
mfid = 1
else:
# Extension modules try and avoid any manifest if possible.
mfid = 2
temp_manifest = self._remove_visual_c_ref(temp_manifest)
if temp_manifest is None:
return None
return temp_manifest, mfid
def _remove_visual_c_ref(self, manifest_file):
try:
# Remove references to the Visual C runtime, so they will
# fall through to the Visual C dependency of Python.exe.
# This way, when installed for a restricted user (e.g.
# runtimes are not in WinSxS folder, but in Python's own
# folder), the runtimes do not need to be in every folder
# with .pyd's.
# Returns either the filename of the modified manifest or
# None if no manifest should be embedded.
manifest_f = open(manifest_file)
try:
manifest_buf = manifest_f.read()
finally:
manifest_f.close()
pattern = re.compile(
r"""<assemblyIdentity.*?name=("|')Microsoft\."""\
r"""VC\d{2}\.CRT("|').*?(/>|</assemblyIdentity>)""",
re.DOTALL)
manifest_buf = re.sub(pattern, "", manifest_buf)
pattern = "<dependentAssembly>\s*</dependentAssembly>"
manifest_buf = re.sub(pattern, "", manifest_buf)
# Now see if any other assemblies are referenced - if not, we
# don't want a manifest embedded.
pattern = re.compile(
r"""<assemblyIdentity.*?name=(?:"|')(.+?)(?:"|')"""
r""".*?(?:/>|</assemblyIdentity>)""", re.DOTALL)
if re.search(pattern, manifest_buf) is None:
return None
manifest_f = open(manifest_file, 'w')
try:
manifest_f.write(manifest_buf)
return manifest_file
finally:
manifest_f.close()
except OSError:
pass
# -- Miscellaneous methods -----------------------------------------
# These are all used by the 'gen_lib_options() function, in
# ccompiler.py.
def library_dir_option(self, dir):
return "/LIBPATH:" + dir
def runtime_library_dir_option(self, dir):
raise DistutilsPlatformError(
"don't know how to set runtime library search path for MSVC")
def library_option(self, lib):
return self.library_filename(lib)
def find_library_file(self, dirs, lib, debug=0):
# Prefer a debugging library if found (and requested), but deal
# with it if we don't have one.
if debug:
try_names = [lib + "_d", lib]
else:
try_names = [lib]
for dir in dirs:
for name in try_names:
libfile = os.path.join(dir, self.library_filename(name))
if os.path.isfile(libfile):
return libfile
else:
# Oops, didn't find it in *any* of 'dirs'
return None

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@ -959,7 +959,7 @@ def get_default_compiler(osname=None, platform=None):
# is assumed to be in the 'distutils' package.)
compiler_class = { 'unix': ('unixccompiler', 'UnixCCompiler',
"standard UNIX-style compiler"),
'msvc': ('msvccompiler', 'MSVCCompiler',
'msvc': ('_msvccompiler', 'MSVCCompiler',
"Microsoft Visual C++"),
'cygwin': ('cygwinccompiler', 'CygwinCCompiler',
"Cygwin port of GNU C Compiler for Win32"),

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@ -303,7 +303,6 @@ class bdist_wininst(Command):
return installer_name
def get_exe_bytes(self):
from distutils.msvccompiler import get_build_version
# If a target-version other than the current version has been
# specified, then using the MSVC version from *this* build is no good.
# Without actually finding and executing the target version and parsing
@ -313,20 +312,28 @@ class bdist_wininst(Command):
# We can then execute this program to obtain any info we need, such
# as the real sys.version string for the build.
cur_version = get_python_version()
if self.target_version and self.target_version != cur_version:
# If the target version is *later* than us, then we assume they
# use what we use
# string compares seem wrong, but are what sysconfig.py itself uses
if self.target_version > cur_version:
bv = get_build_version()
else:
if self.target_version and self.target_version < cur_version:
if self.target_version < "2.4":
bv = 6.0
else:
elif self.target_version == "2.4":
bv = 7.1
elif self.target_version == "2.5":
bv = 8.0
elif self.target_version <= "3.2":
bv = 9.0
elif self.target_version <= "3.4":
bv = 10.0
else:
bv = 14.0
else:
# for current version - use authoritative check.
bv = get_build_version()
from msvcrt import CRT_ASSEMBLY_VERSION
bv = float('.'.join(CRT_ASSEMBLY_VERSION.split('.', 2)[:2]))
# wininst-x.y.exe is in the same directory as this file
directory = os.path.dirname(__file__)

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@ -19,10 +19,6 @@ from distutils import log
from site import USER_BASE
if os.name == 'nt':
from distutils.msvccompiler import get_build_version
MSVC_VERSION = int(get_build_version())
# An extension name is just a dot-separated list of Python NAMEs (ie.
# the same as a fully-qualified module name).
extension_name_re = re.compile \
@ -206,7 +202,7 @@ class build_ext(Command):
_sys_home = getattr(sys, '_home', None)
if _sys_home:
self.library_dirs.append(_sys_home)
if MSVC_VERSION >= 9:
# Use the .lib files for the correct architecture
if self.plat_name == 'win32':
suffix = 'win32'
@ -218,16 +214,6 @@ class build_ext(Command):
new_lib = os.path.join(new_lib, suffix)
self.library_dirs.append(new_lib)
elif MSVC_VERSION == 8:
self.library_dirs.append(os.path.join(sys.exec_prefix,
'PC', 'VS8.0'))
elif MSVC_VERSION == 7:
self.library_dirs.append(os.path.join(sys.exec_prefix,
'PC', 'VS7.1'))
else:
self.library_dirs.append(os.path.join(sys.exec_prefix,
'PC', 'VC6'))
# for extensions under Cygwin and AtheOS Python's library directory must be
# appended to library_dirs
if sys.platform[:6] == 'cygwin' or sys.platform[:6] == 'atheos':
@ -716,7 +702,7 @@ class build_ext(Command):
# to need it mentioned explicitly, though, so that's what we do.
# Append '_d' to the python import library on debug builds.
if sys.platform == "win32":
from distutils.msvccompiler import MSVCCompiler
from distutils._msvccompiler import MSVCCompiler
if not isinstance(self.compiler, MSVCCompiler):
template = "python%d%d"
if self.debug:

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@ -0,0 +1,160 @@
"""Tests for distutils._msvccompiler."""
import sys
import unittest
import os
from distutils.errors import DistutilsPlatformError
from distutils.tests import support
from test.support import run_unittest
# A manifest with the only assembly reference being the msvcrt assembly, so
# should have the assembly completely stripped. Note that although the
# assembly has a <security> reference the assembly is removed - that is
# currently a "feature", not a bug :)
_MANIFEST_WITH_ONLY_MSVC_REFERENCE = """\
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1"
manifestVersion="1.0">
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
<security>
<requestedPrivileges>
<requestedExecutionLevel level="asInvoker" uiAccess="false">
</requestedExecutionLevel>
</requestedPrivileges>
</security>
</trustInfo>
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC90.CRT"
version="9.0.21022.8" processorArchitecture="x86"
publicKeyToken="XXXX">
</assemblyIdentity>
</dependentAssembly>
</dependency>
</assembly>
"""
# A manifest with references to assemblies other than msvcrt. When processed,
# this assembly should be returned with just the msvcrt part removed.
_MANIFEST_WITH_MULTIPLE_REFERENCES = """\
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1"
manifestVersion="1.0">
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
<security>
<requestedPrivileges>
<requestedExecutionLevel level="asInvoker" uiAccess="false">
</requestedExecutionLevel>
</requestedPrivileges>
</security>
</trustInfo>
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC90.CRT"
version="9.0.21022.8" processorArchitecture="x86"
publicKeyToken="XXXX">
</assemblyIdentity>
</dependentAssembly>
</dependency>
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC90.MFC"
version="9.0.21022.8" processorArchitecture="x86"
publicKeyToken="XXXX"></assemblyIdentity>
</dependentAssembly>
</dependency>
</assembly>
"""
_CLEANED_MANIFEST = """\
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<assembly xmlns="urn:schemas-microsoft-com:asm.v1"
manifestVersion="1.0">
<trustInfo xmlns="urn:schemas-microsoft-com:asm.v3">
<security>
<requestedPrivileges>
<requestedExecutionLevel level="asInvoker" uiAccess="false">
</requestedExecutionLevel>
</requestedPrivileges>
</security>
</trustInfo>
<dependency>
</dependency>
<dependency>
<dependentAssembly>
<assemblyIdentity type="win32" name="Microsoft.VC90.MFC"
version="9.0.21022.8" processorArchitecture="x86"
publicKeyToken="XXXX"></assemblyIdentity>
</dependentAssembly>
</dependency>
</assembly>"""
SKIP_MESSAGE = (None if sys.platform == "win32" else
"These tests are only for win32")
@unittest.skipUnless(SKIP_MESSAGE is None, SKIP_MESSAGE)
class msvccompilerTestCase(support.TempdirManager,
unittest.TestCase):
def test_no_compiler(self):
# makes sure query_vcvarsall raises
# a DistutilsPlatformError if the compiler
# is not found
from distutils._msvccompiler import _get_vc_env
def _find_vcvarsall():
return None
import distutils._msvccompiler as _msvccompiler
old_find_vcvarsall = _msvccompiler._find_vcvarsall
_msvccompiler._find_vcvarsall = _find_vcvarsall
try:
self.assertRaises(DistutilsPlatformError, _get_vc_env,
'wont find this version')
finally:
_msvccompiler._find_vcvarsall = old_find_vcvarsall
def test_remove_visual_c_ref(self):
from distutils._msvccompiler import MSVCCompiler
tempdir = self.mkdtemp()
manifest = os.path.join(tempdir, 'manifest')
f = open(manifest, 'w')
try:
f.write(_MANIFEST_WITH_MULTIPLE_REFERENCES)
finally:
f.close()
compiler = MSVCCompiler()
compiler._remove_visual_c_ref(manifest)
# see what we got
f = open(manifest)
try:
# removing trailing spaces
content = '\n'.join([line.rstrip() for line in f.readlines()])
finally:
f.close()
# makes sure the manifest was properly cleaned
self.assertEqual(content, _CLEANED_MANIFEST)
def test_remove_entire_manifest(self):
from distutils._msvccompiler import MSVCCompiler
tempdir = self.mkdtemp()
manifest = os.path.join(tempdir, 'manifest')
f = open(manifest, 'w')
try:
f.write(_MANIFEST_WITH_ONLY_MSVC_REFERENCE)
finally:
f.close()
compiler = MSVCCompiler()
got = compiler._remove_visual_c_ref(manifest)
self.assertIsNone(got)
def test_suite():
return unittest.makeSuite(msvccompilerTestCase)
if __name__ == "__main__":
run_unittest(test_suite())

View File

@ -22,8 +22,6 @@ class TestUntestedModules(unittest.TestCase):
import distutils.ccompiler
import distutils.cygwinccompiler
import distutils.filelist
if sys.platform.startswith('win'):
import distutils.msvccompiler
import distutils.text_file
import distutils.unixccompiler