Hi Markus, I understand. I think a try import followed by a print statement giving directions how to install it if not there could be sufficient? Something like this: try: from isort.main import main except ImportError: print "isort not available. Run 'libtbx.python -m pip install isort' and try again." exit() On Thu, Oct 26, 2017 at 10:19 AM, wrote:

Hi Aaron,

I didn't want to add it as a dependency in bootstrap since it is definitely only a developer tool, and I wouldn't want to install it with a distribution. I guess we could just run it if it is installed and add a command to install this kinds of development stuff? What do you think?

-Markus

________________________________ From: [email protected] [[email protected]] on behalf of Aaron Brewster [[email protected]] Sent: Thursday, October 26, 2017 17:54 To: cctbx mailing list Cc: [email protected] Subject: Re: [cctbxbb] [git/cctbx] master: libtbx.clean_clutter runs isort in supported locations (612869130)

Hi Markus, could isort be added as a dependency instead? If I understand this commit right, when running libtbx.clean_clutter, if .isort.cfg is present and isort is not installed, pip is invoked to install isort. l'm nervous about pip being imported anywhere in our code, especially to install things when running code unrelated to installation.

It's important to keep installation of stuff separate from running of stuff. Otherwise, it's impossible to keep dependencies straight.

-Aaron

On Thu, Oct 26, 2017 at 2:29 AM, CCTBX Commit via DLS Jenkins < [email protected]mailto:[email protected]> wrote: Repository : ssh://g18-sc-serv-04.diamond.ac.uk/cctbx<http://g18-sc- serv-04.diamond.ac.uk/cctbx> On branch : master

________________________________

commit 612869130a6210d49a573a3cff04416a9de67808 Author: Markus Gerstel > Date: Thu Oct 26 10:29:05 2017 +0100

libtbx.clean_clutter runs isort in supported locations

________________________________

612869130a6210d49a573a3cff04416a9de67808 libtbx/command_line/clean_clutter.py | 26 ++++++++++++++++++++++++++ 1 file changed, 26 insertions(+)

diff --git a/libtbx/command_line/clean_clutter.py b/libtbx/command_line/clean_clutter.py index d49bf4c25..8fc2e53c8 100644 --- a/libtbx/command_line/clean_clutter.py +++ b/libtbx/command_line/clean_clutter.py @@ -32,6 +32,24 @@ def clean_clutter_in(files, tabsize=8): os.remove(tmpname) raise

+def isort(path): + try: + import mock + from isort.main import main + except ImportError: + # Install package if necessary + import pip + pip.main(['install', 'isort', 'mock']) + import mock + from isort.main import main + with mock.patch.object(sys, 'argv', ['isort', '-y', '-ac', '-vb']): + oldcwd = os.getcwd() + try: + os.chdir(path) + main() + finally: + os.chdir(oldcwd) + def run(): opt_parser = (option_parser( usage=""" @@ -60,6 +78,7 @@ by running svn commit.""") if co.committing and files: opt_parser.show_help() exit(1) + run_isort_in_path = False if co.committing: try: files = list(subversion.marked_for_commit()) @@ -72,7 +91,14 @@ by running svn commit.""") else: dir = files[0] files = [ c.path for c in libtbx.file_clutter.gather([dir]) if c.is_cluttered(flag_x=False) ] + if os.path.exists(os.path.join(dir, '.isort.cfg')): + run_isort_in_path = dir clean_clutter_in(files, tabsize=co.tabsize) + if run_isort_in_path: + try: + isort(run_isort_in_path) + except Exception as e: + print("Did not run isort (%s)" % str(e))

if (__name__ == "__main__"): import sys

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