Are python packages version specific?

Question

I ma trying to install https://pypi.python.org/pypi/python-epo-ops-client I tried installing it from pip from both latest version.

python 2.7.12 and python 3.5.2

for both of the version it says

C:\Users\me>pip install python-epo-ops-client 2.1.0
Collecting python-epo-ops-client
  Using cached python_epo_ops_client-2.1.0-py2.py3-none-any.whl
Collecting 2.1.0
  Could not find a version that satisfies the requirement 2.1.0 (from versions:
)
No matching distribution found for 2.1.0

As I am completely new to python, question is:

1) Do I need to install all python version to see which version above module is compatible with? Or

2) can I know which version of python will be compatible with above version?

I want to install python for above package only. please suggest.

What is the full output of the command you used to try and install this? — Martijn Pieters
– Martijn Pieters, Commented Jul 14, 2016 at 8:34
@MartijnPieters, ravi: I don't know why but when I dropped the version number it did installed fine. pip install python-epo-ops-client for both version of pip — Rahul
– Rahul, Commented Jul 14, 2016 at 8:45
that's because ravi is actually correct; you didn't use the right syntax. You tried to install a package named 2.1.0 because you should have used ==2.1.0 to pin the version. — Martijn Pieters
– Martijn Pieters, Commented Jul 14, 2016 at 8:47

RAVI · Accepted Answer · 2016-07-14 08:56:14Z

4

You are having space between python-epo-ops-client & 2.1.0, so it is trying to install two packages.

(1) python-epo-ops-client and (2) 2.1.0, but there isn't any package named "2.1.0"

To install specific version you need to mention ==.

pip install python-epo-ops-client==2.1.0

edited Jul 14, 2016 at 8:56

answered Jul 14, 2016 at 8:41

RAVI

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1 Comment

Rahul Over a year ago

Thanks man. I figured out but this has given me right information.

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