[Fab-user] fabric on os x

[David Salib]

Hello,

I can't get fabric to work on os x.

I installed it using :

$ pip install fabric

paramiko is at the latest version :

$ pip show paramiko
---
Name: paramiko
Version: 1.14.0
Location: /Library/Python/2.7/site-packages
Requires: pycrypto, ecdsa

yet this happens when I try to run a simple hello world :
-- fabfile.py
def hello():
print ('hello world')
--

$ fab hello
Traceback (most recent call last):
File "/usr/local/bin/fab", line 5, in <module>
from pkg_resources import load_entry_point
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py",
line 2603, in <module>
working_set.require(__requires__)
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py",
line 666, in require
needed = self.resolve(parse_requirements(requirements))
File "/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py",
line 565, in resolve
raise DistributionNotFound(req) # XXX put more info here
pkg_resources.DistributionNotFound: paramiko>=1.10

I'm pretty new to python so my setup might be erroneous, but I did see
this https://github.com/fabric/fabric/commit/e82aaf4dee89c62b3a629af5d0157a8fe64bedf0
and wondered if it might be related.

Regards,

[Kurt Spindler]

Do a `which fab`, and edit/view that file. Note that the first line of the
script is (for me at least)

#!/usr/bin/python

Now do a `which python`, and I'm willing to guess yours points to somewhere
else (possibly /usr/local/bin/python).

Change that she-bang line to whatever the output of `which python`, and
that should probably fix it. Alternatively, you can change the line to
`#!/usr/bin/env python`.

Cheers,
Kurt

Post by David Salib
Hello,
I can't get fabric to work on os x.
$ pip install fabric
$ pip show paramiko
---
Name: paramiko
Version: 1.14.0
Location: /Library/Python/2.7/site-packages
Requires: pycrypto, ecdsa
-- fabfile.py
print ('hello world')
--
$ fab hello
File "/usr/local/bin/fab", line 5, in <module>
from pkg_resources import load_entry_point
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py",
line 2603, in <module>
working_set.require(__requires__)
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py",
line 666, in require
needed = self.resolve(parse_requirements(requirements))
File
"/System/Library/Frameworks/Python.framework/Versions/2.7/Extras/lib/python/pkg_resources.py",
line 565, in resolve
raise DistributionNotFound(req) # XXX put more info here
pkg_resources.DistributionNotFound: paramiko>=1.10
I'm pretty new to python so my setup might be erroneous, but I did see
this
https://github.com/fabric/fabric/commit/e82aaf4dee89c62b3a629af5d0157a8fe64bedf0
and wondered if it might be related.
Regards,
--
David Salib
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[thierry henrio]

Post by David Salib
Hello,
I can't get fabric to work on os x.

What I do on mine is use http://virtualenv.readthedocs.org/en/latest/

~ $ workon py27
(py27)~ $ pip freeze | grep Fab
Fabric==1.8.3

, Thierry

[David Salib]

Kurt:

which returned the same environment as the hashbang :

$ which python
/usr/bin/python
$ head -n 1 `which fab`
#!/usr/bin/python

Thierry : virtualenv makes it work, thanks. Seems like a kludge to me though.

Regards,

D

Post by thierry henrio

Post by David Salib
Hello,
I can't get fabric to work on os x.

What I do on mine is use http://virtualenv.readthedocs.org/en/latest/
~ $ workon py27
(py27)~ $ pip freeze | grep Fab
Fabric==1.8.3
, Thierry

--
David Salib
Spécialiste systèmes / Systems specialist
Fibrenoire - www.fibrenoire.ca
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T. 514 907-3002 x133

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[thierry henrio]

Post by David Salib
$ which python
/usr/bin/python
$ head -n 1 `which fab`

head -1 `which fab` saves 2 chars :)

#!/usr/bin/python

Post by David Salib
Thierry : virtualenv makes it work, thanks. Seems like a kludge to me though.

Main point is that it isolates packages from system and other envs
Then, you can *nuke* one without changing others

And it works as it should

[master]$ workon py27
[master]$ which python
/Users/thenrio/.virtualenvs/py27/bin/python
(py27) [master]$ head -1 $( which fab )
#!/Users/thenrio/.virtualenvs/py27/bin/python

it's just unix path™

Cheers, Thierry

[Jeff Forcier]

Hi all,

I dug into this today and spoke to a friend who is deeply embedded in
the packaging world. The tl;dr is that as already noted, using some
newer copy of setuptools (eg via a virtualenv, or upgrading
setuptools) will work around this problem. I've added an FAQ to our
website:

http://www.fabfile.org/faq.html#fabric-installs-but-doesn-t-run

Best,
Jeff

Post by thierry henrio

Post by David Salib
$ which python
/usr/bin/python
$ head -n 1 `which fab`

head -1 `which fab` saves 2 chars :)

Post by David Salib
#!/usr/bin/python
Thierry : virtualenv makes it work, thanks. Seems like a kludge to me though.

Main point is that it isolates packages from system and other envs
Then, you can nuke one without changing others
And it works as it should
[master]$ workon py27
[master]$ which python
/Users/thenrio/.virtualenvs/py27/bin/python
(py27) [master]$ head -1 $( which fab )
#!/Users/thenrio/.virtualenvs/py27/bin/python
it's just unix path™
Cheers, Thierry
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