Merge branch 'buildout' into 'master'

Adds a script to generate a buildout file automatically based on core.txt and extra.txt [skip ci]

See merge request !24

buildout.cfg.template

+[buildout]
+parts = scripts
+extensions = bob.buildout
+             mr.developer
+auto-checkout = *
+debug = true
+newest = false
+verbose = true
+eggs = {eggs}
+
+develop = {develop}
+
+[scripts]
+recipe = bob.buildout:scripts
+dependent-scripts = true
+
+[sources]
+{sources}

generate_buildout_config

+#!/usr/bin/env python
+"""Generates a buildout configuration file based on the list of the packages
+
+Usage:
+    %(prog)s <package_list>...
+    %(prog)s --help
+
+Arguments:
+    <package_list>  The files containing the package list. Each line should
+                    contain only the name of one package. Empty lines and
+                    comments starting with # are allowed.
+
+Options:
+    -h --help       Show this help message and exit
+"""
+
+
+def format_list(package_list, prepend, left_fill):
+    text = prepend + package_list[0] + '\n'
+    package_list = package_list[1:]
+    for pkg in package_list:
+        text += ' ' * left_fill + prepend + pkg + '\n'
+    return text
+
+
+def main(argv=None):
+    from docopt import docopt
+    import sys
+    import os
+    docs = __doc__ % {'prog': os.path.basename(sys.argv[0])}
+    args = docopt(docs, argv=argv)
+    package_list_files = args['<package_list>']
+    package_list = []
+    for path in package_list_files:
+        for line in open(path):
+            line = line.partition('#')[0].strip()
+            if not line:
+                continue
+            package_list.append(line)
+    print(package_list)
+    # read the buildout config template
+    with open("buildout.cfg.template") as f:
+        template = f.read()
+    # eggs
+    eggs = format_list(package_list, '', 7)
+    develop = format_list(package_list, 'src/', 10)
+    source_list = ['{0} = git git@gitlab.idiap.ch:bob/{0}'.format(p)
+                   for p in package_list]
+    sources = format_list(source_list, '', 0)
+    with open('buildout.cfg', 'wt') as f:
+        f.write(template.format(eggs=eggs, develop=develop, sources=sources))
+
+
+if __name__ == '__main__':
+    main()