On 01/06/16 21:12, Ed Bartosh wrote:
On Wed, Jun 01, 2016 at 10:24:52AM -0700, Christopher Larson wrote:
On Wed, Jun 1, 2016 at 2:27 AM, Ed Bartosh <[email protected]>
wrote:
On Tue, May 31, 2016 at 11:48:01AM -0700, Christopher Larson wrote:
On Tue, May 31, 2016 at 11:47 AM, Brian Avery <[email protected]>
wrote:
One possible solution is to use RP's suggestion to leverage the --user
argument (which stores packges in
$HOME/.local/lib/python3.4/site-packages.
pip3 install --user -r poky/bitbake/toaster-requirements.txt
* works except wsgiref is not python3 compatible yet
pip3 list installed --local
argparse (1.2.1)
beautifulsoup4 (4.4.1)
Django (1.8.13)
* works to show what is a --user install vs a global site install.
pip3 uninstall/install --user --upgrade/.... works as expected...
Cluttering up my ~/.local with app/project specific requirements is not
appropriate. As someone who uses --user quite a bit, I'd be quite annoyed
by this.
So far pip3 --user looks like the only working approach to me. It's not
ideal, but it's not that bad either. It should be used for its direct
purpose
- to install dependencies for 'one user' mode.
For production Toaster instances I'd suggest to install runtime
dependencies on the host system.
BTW, Toaster has only one runtime requirement: Django. argparse and
wsgiref is a legacy and beautifulsoup4 is not a runtime dependency. It's
used only
in tests.
--user is intended for use by the user, not your scripts.
True. I'm not saying that toaster should do that. User will run pip3
install --user 'Django>1.8<1.9' or install Django 1.8 any other suitable
way.
I choose what I put there for good reason. Your use case is what virtual
environments are
for. If toaster can't handle that, it should be fixed to do so.
Toaster can't be fixed to setup an environment where python is python2
and python3 is python3. Neither virtualenv or venv support this.
From the python documentation:
This scheme is designed to be the most convenient solution for users that
don’t have write permission to the global site-packages directory or don’t
want to install into it.
Yes, and this is exactly what I'm proposing. Sorry for not being clear.
--
Regards,
Ed
Did anyone test this, it works for me:
$ virtualenv -p python3 bothpython
$ virtualenv -p python2 bothpython
$ source ./bothpython/bin/activate
$ pip3 install -r ./bitbake/toaster-requirements.txt
$ source toaster start
The only change needed is to fix the toaster script to use python3 to
detect if the dependencies are installed or not.
diff --git a/bitbake/bin/toaster b/bitbake/bin/toaster
index be1bb9c..e3a0dae 100755
--- a/bitbake/bin/toaster
+++ b/bitbake/bin/toaster
@@ -115,7 +115,7 @@ verify_prereq() {
exp='s/Django\([><=]\+\)\([^,]\+\),\([><=]\+\)\(.\+\)/'
exp=$exp'import sys,django;version=django.get_version().split(".");'
exp=$exp'sys.exit(not (version \1 "\2".split(".") and version \3
"\4".split
- if ! sed -n "$exp" $reqfile | python - ; then
+ if ! sed -n "$exp" $reqfile | python3 - ; then
req=`grep ^Django $reqfile`
echo "This program needs $req"
echo "Please install with pip install -r $reqfile"
Michael
--
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