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我有一个特殊的需要，我需要安装资源pkg在没有网络的PC。 所以我选择首先使用点下载，并将所有下载的文件复制到这台电脑然后点安装。pip安装失败使用pkgs从点下载
$ pip download resource
$ ls
JsonForm-0.0.2-py2-none-any.whl PyYAML-3.12.tar.gz Resource-0.2.0-py2.py3-none-any.whl jsonschema-2.6.0-py2.py3-none-any.whl six-1.9.0-py2.py3-none-any.whl
JsonSir-0.0.2-py2-none-any.whl Python_EasyConfig-0.1.6-py2.py3-none-any.whl functools32-3.2.3-2.zip
拷贝到特殊的PC中的所有文件做：
$ pip install Resource-0.2.0-py2.py3-none-any.whl
Processing ./Resource-0.2.0-py2.py3-none-any.whl
Collecting python-easyconfig>=0.1.0 (from Resource==0.2.0)
Exception:
Traceback (most recent call last):
File "/usr/lib/python2.7/dist-packages/pip/basecommand.py", line 215, in main
status = self.run(options, args)
File "/usr/lib/python2.7/dist-packages/pip/commands/install.py", line 353, in run
wb.build(autobuilding=True)
File "/usr/lib/python2.7/dist-packages/pip/wheel.py", line 749, in build
self.requirement_set.prepare_files(self.finder)
File "/usr/lib/python2.7/dist-packages/pip/req/req_set.py", line 380, in prepare_files
ignore_dependencies=self.ignore_dependencies))
File "/usr/lib/python2.7/dist-packages/pip/req/req_set.py", line 554, in _prepare_file
require_hashes
File "/usr/lib/python2.7/dist-packages/pip/req/req_install.py", line 278, in populate_link
self.link = finder.find_requirement(self, upgrade)
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 465, in find_requirement
all_candidates = self.find_all_candidates(req.name)
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 423, in find_all_candidates
for page in self._get_pages(url_locations, project_name):
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 568, in _get_pages
page = self._get_page(location)
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 683, in _get_page
return HTMLPage.get_page(link, session=self.session)
File "/usr/lib/python2.7/dist-packages/pip/index.py", line 792, in get_page
"Cache-Control": "max-age=600",
File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/sessions.py", line 501, in get
return self.request('GET', url, **kwargs)
File "/usr/lib/python2.7/dist-packages/pip/download.py", line 386, in request
return super(PipSession, self).request(method, url, *args, **kwargs)
File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/sessions.py", line 488, in request
resp = self.send(prep, **send_kwargs)
File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/sessions.py", line 609, in send
r = adapter.send(request, **kwargs)
File "/usr/share/python-wheels/CacheControl-0.11.7-py2.py3-none-any.whl/cachecontrol/adapter.py", line 47, in send
resp = super(CacheControlAdapter, self).send(request, **kw)
File "/usr/share/python-wheels/requests-2.12.4-py2.py3-none-any.whl/requests/adapters.py", line 423, in send
timeout=timeout
File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/connectionpool.py", line 643, in urlopen
_stacktrace=sys.exc_info()[2])
File "/usr/share/python-wheels/urllib3-1.19.1-py2.py3-none-any.whl/urllib3/util/retry.py", line 315, in increment
total -= 1
TypeError: unsupported operand type(s) for -=: 'Retry' and 'int'
似乎没有安装相关性。我有一个粗略的方法来解决它：
$ pip install six-1.9.0-py2.py3-none-any.whl
$ pip install PyYAML-3.12.tar.gz
$ pip install Python_EasyConfig-0.1.6-py2.py3-none-any.whl
$ pip install JsonSir-0.0.2-py2-none-any.whl
$ pip install functools32-3.2.3-2.zip
$ pip install jsonschema-2.6.0-py2.py3-none-any.whl
$ pip install JsonForm-0.0.2-py2-none-any.whl
$ pip install Resource-0.2.0-py2.py3-none-any.whl
但它是如此丑陋，有没有什么好办法做到这一点？ ```