我尝试安装Python包dulwich:
pip install dulwich
但我收到了一条神秘的错误消息:
error: Unable to find vcvarsall.bat
如果我尝试手动安装软件包,也会发生同样的情况:
> python setup.py install
running build_ext
building 'dulwich._objects' extension
error: Unable to find vcvarsall.bat
我尝试安装Python包dulwich:
pip install dulwich
但我收到了一条神秘的错误消息:
error: Unable to find vcvarsall.bat
如果我尝试手动安装软件包,也会发生同样的情况:
> python setup.py install
running build_ext
building 'dulwich._objects' extension
error: Unable to find vcvarsall.bat
当前回答
http://www.stickpeople.com/projects/python/win-psycopg/
从上面的链接安装适当的文件修复了我的问题。
提及:Jason Erickson[jerickso@stickpeople.com]. 他为Windows用户管理这个页面相当好。
其他回答
你可以用easy_install代替pip,这对我很有用。
您可以从安装编译版本http://www.lfd.uci.edu/~gohlke/pythonlibs/
调用importsetuptools将对补丁distutils进行模仿,以强制与Visual Studio兼容。手动调用vcvars32.bat将设置虚拟环境并防止编译器抛出其他常见错误。对于VS 2017,文件位于
“C:\Program Files(x86)\Microsoft VisualStudio\2017\社区\VC\Auxiliary\Build\vcvars32.bat“
以下是我用来将.pyx文件快速编译为.pyd的安装脚本:(注意:它使用第三方模块发送2个
# cython_setup.py
import sys, os, time, platform, subprocess
from setuptools import setup, find_packages
from Cython.Build import cythonize
from traceback import format_exc
# USAGE:
#
# from cython_setup import run
# run(pyx_path)
# vcvars = r"C:\Program Files (x86)\Microsoft Visual Studio\2017\Community\VC\Auxiliary\Build\vcvars32.bat"
# NOTE: to use visual studio 2017 you must have setuptools version 34+
vcvars = r"C:\Program Files (x86)\Microsoft Visual Studio\2017\BuildTools\VC\Auxiliary\Build\vcvars32.bat"
def _build_ext():
try:
pyx_path = sys.argv.pop(-1)
pyx_path = os.path.abspath(pyx_path)
if not os.path.exists(pyx_path):
raise FileNotFoundError(f"{pyx_path} does not exist")
project_name = sys.argv.pop(-1)
os.chdir(os.path.abspath(os.path.dirname(pyx_path)))
print("cwd: %s" % os.getcwd())
print(os.path.abspath("build"))
setup(
name=project_name,
# cmdclass = {'build_ext': build_ext},
packages=find_packages(),
# ext_modules=cythonize(extensions)
ext_modules=cythonize(pyx_path,
compiler_directives={'language_level': 3, 'infer_types': True, 'binding': False},
annotate=True),
# include_dirs = [numpy.get_include()]
build_dir=os.path.abspath("build")
)
except:
input(format_exc())
def retry(func):
def wrapper(*args, **kw):
tries = 0
while True:
try:
return func(*args, **kw)
except Exception:
tries += 1
if tries > 4:
raise
time.sleep(0.4)
return wrapper
@retry
def cleanup(pyx_path):
from send2trash import send2trash
c_file = os.path.splitext(pyx_path)[0] + ".c"
if os.path.exists(c_file):
os.remove(c_file)
if os.path.exists("build"):
send2trash("build")
def move_pyd_files(pyx_path):
pyx_dir = os.path.dirname(pyx_path)
build_dir = os.path.join(pyx_dir, "build")
if not os.path.exists(build_dir):
raise RuntimeError(f"build_dir {build_dir} did not exist....")
found_pyd = False
for top, dirs, nondirs in os.walk(build_dir):
for name in nondirs:
if name.lower().endswith(".pyd") or name.lower().endswith(".so"):
found_pyd = True
old_path = os.path.join(top, name)
new_path = os.path.join(pyx_dir, name)
if os.path.exists(new_path):
print(f"removing {new_path}")
os.remove(new_path)
print(f"file created at {new_path}")
os.rename(old_path, new_path)
if not found_pyd:
raise RuntimeError("Never found .pyd file to move")
def run(pyx_path):
"""
:param pyx_path:
:type pyx_path:
:return: this function creates the batch file, which in turn calls this module, which calls cythonize, once done
the batch script deletes itself... I'm sure theres a less convoluted way of doing this, but it works
:rtype:
"""
try:
project_name = os.path.splitext(os.path.basename(pyx_path))[0]
run_script(project_name, os.path.abspath(pyx_path))
except:
input(format_exc())
def run_script(project_name, pyx_path):
dirname = os.path.dirname(pyx_path)
# ------------------------------
os.chdir(dirname)
if os.path.exists(vcvars):
# raise RuntimeError(
# f"Could not find vcvars32.bat at {vcvars}\nis Visual Studio Installed?\nIs setuptools version > 34?")
subprocess.check_call(f'call "{vcvars}"', shell=True)
cmd = "python" if platform.system() == "Windows" else "python3"
subprocess.check_call(f'{cmd} "{__file__}" build_ext "{project_name}" "{pyx_path}"', shell=True)
move_pyd_files(pyx_path)
cleanup(pyx_path)
if len(sys.argv) > 2:
_build_ext()
您可以从下载免费的Visual C++2008速成版http://go.microsoft.com/?linkid=7729279,它将在安装期间设置VS90COMNTOOLS环境变量,因此使用兼容的编译器进行构建。
正如@PiotrDobrogost在一篇评论中提到的,他对另一个问题的回答详细说明了为什么Visual C++2008是正确的构建工具,但随着Windows版本的Python迁移到Visual Studio的更新版本,这一点可能会发生变化:在Windows上为Python 2.7构建lxml
我找到了解决方案。我也遇到了同样的问题和错误,安装“amara”。我安装了mingw32,但需要配置distutils。
我已经安装了Python 2.6。我将mingw32安装到C:\programs\mingw\将mingw32的bin目录添加到环境变量:append c:\programs\MinGW\bin;到PATH将位于C:\Python26\Lib\distutils\distutils.cfg的distutils.cfg文件编辑为:[生成]编译器=mingw32现在运行easy_install.exe amara。
确保通过打开新的cmd.exe来设置环境。