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ubuntu 14.04在python3中安裝一個包含pip（或pip3）的包
我是python的新手，我在安裝軟件包時遇到問題。我已經看過類似的問題，但很難說它是否相關並且是最新的。
我不知道我需要做些什麼才能使其工作。
pip --version
The program 'pip' is currently not installed. You can install it by typing:
sudo apt-get install python-pip
pip3 --version
pip 1.5.4 from /usr/lib/python3/dist-packages (python 3.4)
我有幾個版本的python，最新的;
python3
Python 3.4.3 (default, Oct 14 2015, 20:28:29)
[GCC 4.8.4] on linux
當我試圖安裝一個軟件包
pip3 install copy
Downloading/unpacking copy
Could not find any downloads that satisfy the requirement copy
Cleaning up...
No distributions at all found for copy
Storing debug log for failure in /home/ben/.pip/pip.log
我在類似計算器的問題看見了，那人去了日誌，並公佈這一點。
------------------------------------------------------------
/usr/bin/pip3 run on Thu Aug 18 20:25:27 2016
Downloading/unpacking copy
Getting page https://pypi.python.org/simple/copy/
Could not fetch URL https://pypi.python.org/simple/copy/: 404 Client Error: Not Found
Will skip URL https://pypi.python.org/simple/copy/ when looking for download links for copy
Getting page https://pypi.python.org/simple/
URLs to search for versions for copy:
* https://pypi.python.org/simple/copy/
Getting page https://pypi.python.org/simple/copy/
Could not fetch URL https://pypi.python.org/simple/copy/: 404 Client Error: Not Found
Will skip URL https://pypi.python.org/simple/copy/ when looking for download links for copy
Could not find any downloads that satisfy the requirement copy
Cleaning up...
Removing temporary dir /tmp/pip_build_ben...
No distributions at all found for copy
Exception information:
Traceback (most recent call last):
File "/usr/lib/python3/dist-packages/pip/basecommand.py", line 122, in main
status = self.run(options, args)
File "/usr/lib/python3/dist-packages/pip/commands/install.py", line 278, in run
requirement_set.prepare_files(finder, force_root_egg_info=self.bundle, bundle=self.bundle)
File "/usr/lib/python3/dist-packages/pip/req.py", line 1178, in prepare_files
url = finder.find_requirement(req_to_install, upgrade=self.upgrade)
File "/usr/lib/python3/dist-packages/pip/index.py", line 277, in find_requirement
raise DistributionNotFound('No distributions at all found for %s' % req)
pip.exceptions.DistributionNotFound: No distributions at all found for copy
其他答案這樣說 「你需要獲取的PyPI通過HTTPS，而不是HTTP。」但我並不真正瞭解這一點，或者我需要做些什麼來解決這個問題。
所以我的問題是，我需要做什麼才能安裝python3版本的軟件包？我需要安裝點子，還是使用pip3更好？
[我無法在PyPI上找到一個包'copy']（https://pypi.python.org/pypi/copy/）。你確定這是你想要安裝的軟件包嗎？ –
像@NilsWerner說的，你的問題是你正在嘗試安裝的軟件包不存在。這使問題的其餘部分沒有意義。 – edwinksl