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使用 virtualenvwrapper 创建 python2.7,2.5 版本的虚拟环境均报错
SimWit 2020-01-08 15:49:34 +08:00 3229 次点击这是一个创建于 2161 天前的主题，其中的信息可能已经有所发展或是发生改变。
环境
virtualenv 16.7.9 virtualenvwrapper-win 1.2.5 报错信息
2.5
Running virtualenv with interpreter E:\Software\Python\Python25\python.exe e:\software\python\python38\lib\site-packages\virtualenv.py:432: Warning: 'with' will become a reserved keyword in Python 2.6 File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 432 with open(dest, "wb") as f: ^ SyntaxError: invalid syntax 2.7
Cleaning up... Removed build tracker 'c:\\users\\\xb9\xf9\xea\xbb\xc7\xbf\\appdata\\local\\temp\\pip-req-tracker-dd3usp' ERROR: Exception: Traceback (most recent call last): File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\cli\base_command.py", line 153, in _main status = self.run(options, args) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\commands\install.py", line 382, in run resolver.resolve(requirement_set) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\legacy_resolve.py", line 201, in resolve self._resolve_one(requirement_set, req) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\legacy_resolve.py", line 365, in _resolve_one abstract_dist = self._get_abstract_dist_for(req_to_install) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\legacy_resolve.py", line 311, in _get_abstract_dist_for req.populate_link(self.finder, upgrade_allowed, self.require_hashes) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\req\req_install.py", line 225, in populate_link self.link = finder.find_requirement(self, upgrade) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\index.py", line 879, in find_requirement req.name, specifier=req.specifier, hashes=hashes, File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\index.py", line 861, in find_best_candidate candidates = self.find_all_candidates(project_name) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\index.py", line 791, in find_all_candidates collected_links = self._link_collector.collect_links(project_name) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\collector.py", line 509, in collect_links self.find_links, expand_dir=True, File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\collector.py", line 408, in group_locations sort_path(os.path.join(path, item)) File "e:\software\python\python38\lib\site-packages\virtualenv_support\pip-19.3.1-py2.py3-none-any.whl\pip\_internal\collector.py", line 389, in sort_path if mimetypes.guess_type(url, strict=False)[0] == 'text/html': File "E:\Software\Python\Python27\Lib\mimetypes.py", line 297, in guess_type init() File "E:\Software\Python\Python27\Lib\mimetypes.py", line 358, in init db.read_windows_registry() File "E:\Software\Python\Python27\Lib\mimetypes.py", line 258, in read_windows_registry for subkeyname in enum_types(hkcr): File "E:\Software\Python\Python27\Lib\mimetypes.py", line 249, in enum_types ctype = ctype.encode(default_encoding) # omit in 3.x! UnicodeDecodeError: 'ascii' codec can't decode byte 0xb1 in position 9: ordinal not in range(128) -------------------------------------------------------------------------- ...Installing setuptools, pip, wheel...done. Traceback (most recent call last): File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 2634, in <module> main() File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 870, in main symlink=options.symlink, File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 1179, in create_environment install_wheel(to_install, py_executable, search_dirs, download=download) File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 1023, in install_wheel _install_wheel_with_search_dir(download, project_names, py_executable, search_dirs) File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 1116, in _install_wheel_with_search_dir call_subprocess(cmd, show_stdout=False, extra_env=env, stdin=script) File "e:\software\python\python38\lib\site-packages\virtualenv.py", line 963, in call_subprocess raise OSError("Command {} failed with error code {}".format(cmd_desc, proc.returncode)) OSError: Command E:\Software\Python\E...7\Scripts\python.exe - setuptools pip wheel failed with error code 2  | 1 nznd 2020-01-08 17:14:54 +08:00 拿 3.8 的 virtualenvwrapper 创建 2 的 env... 建议换个版本试试（指 python2 的 |
 | 2 SimWit OP @nznd 谢谢。问题好像不在于此。通过查找 2.7 的问题在于字符集的问题。解决办法来自：“https://www.cnblogs.com/ingd/p/6185347.html”。 2.5 的话，根据官网，对于 virtualenvwrapper 测试范围为 2.6~3.6 没有问题，所以很有可能是不支持创建 2.5 版本的虚拟环境。但是我使用的是 virtualenvwrapper-win 好像有些不一样。 而针对版本来说，我使用 python2.7.17,安装 virtualenvwrapper,创建 2.5 的环境，仍报相同的错误。 |
 | 3 kayseen 2020-01-08 20:22:45 +08:00 这个工具我之前也遇到过类似的问题,后来建环境直接使用`python -m`也挺方便 |
 | 4 dxySheldon 2020-01-08 20:28:03 +08:00 via Android 要不试试 anaconda 创建虚拟环境 |
 | 5 mailmac 2020-01-09 08:44:59 +08:00 via Android  1 python -m venv . 解君愁！！ 早都不用 virtual 了。 |
| 6 SimWit OP 谢谢，我之前不知道 venv，让我了解一下 |
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