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Location: kallithea/scripts/generate-ini.py - annotation

Mads Kiilerich
ishell: specify ipython minimum version 4

`gearbox ishell` has an "optional" dependency on ipython as it fails with:
Kallithea ishell requires the IPython Python package
Before the previous change, after installing ipython < 4, it would however
still fail the same way.
With the previous change, it would fail in a slightly more helpful way with:
ImportError: No module named traitlets.config.loader

With ipython < 4, after installing the missing traitlets (4.3.2) as hinted,
ishell still failed with:
TraitError: The 'config' trait of an InteractiveShellEmbed instance must be a Config or None, but a value of class 'traitlets.config.loader.Config' (i.e. {'InteractiveShellEmbed': {'confirm_exit': False}}) was specified.

With ipython >= 4, traitlets is installed as dependency, and ishell works.
Tested with both ipython 4.0 and current latest version 5.8 .

Thus, just clarify that we only support ipython >= 4 .
#!/usr/bin/env python2
"""
Based on kallithea/lib/paster_commands/template.ini.mako, generate
  development.ini
  kallithea/tests/test.ini
"""

import re

from kallithea.lib import inifile

# files to be generated from the mako template
ini_files = [
    ('development.ini',
        {
            '[server:main]': {
                'host': '0.0.0.0',
            },
            '[app:main]': {
                'debug': 'true',
                'app_instance_uuid': 'development-not-secret',
                'beaker.session.secret': 'development-not-secret',
            },
            '[handler_console]': {
                'formatter': 'color_formatter',
            },
            '[handler_console_sql]': {
                'formatter': 'color_formatter_sql',
            },
            '[logger_routes]': {
                'level': 'DEBUG',
            },
            '[logger_beaker]': {
                'level': 'DEBUG',
            },
            '[logger_templates]': {
                'level': 'INFO',
            },
            '[logger_kallithea]': {
                'level': 'DEBUG',
            },
            '[logger_tg]': {
                'level': 'DEBUG',
            },
            '[logger_gearbox]': {
                'level': 'DEBUG',
            },
            '[logger_whoosh_indexer]': {
                'level': 'DEBUG',
            },
        },
    ),
]


def main():
    # make sure all mako lines starting with '#' (the '##' comments) are marked up as <text>
    makofile = inifile.template_file
    print 'reading:', makofile
    mako_org = open(makofile).read()
    mako_no_text_markup = re.sub(r'</?%text>', '', mako_org)
    mako_marked_up = re.sub(r'\n(##.*)', r'\n<%text>\1</%text>', mako_no_text_markup, flags=re.MULTILINE)
    if mako_marked_up != mako_org:
        print 'writing:', makofile
        open(makofile, 'w').write(mako_marked_up)

    # create ini files
    for fn, settings in ini_files:
        print 'updating:', fn
        inifile.create(fn, None, settings)


if __name__ == '__main__':
    main()