--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/bin/clone_deps.py	Wed Sep 22 17:01:51 2010 +0200
@@ -0,0 +1,115 @@
+#!/usr/bin/python
+import os
+import sys
+from subprocess import call, Popen, PIPE
+try:
+    from mercurial.dispatch import dispatch as hg_call
+except ImportError:
+    print '-' * 20
+    print "mercurial module is not reachable from this Python interpreter"
+    print "trying from command line ..."
+    tryhg = os.system('hg --version')
+    if tryhg:
+        print 'mercurial seems to unavailable, please install it'
+        raise
+    print 'found it, ok'
+    print '-' * 20
+    def hg_call(args):
+        call(['hg'] + args)
+from urllib import urlopen
+from os import path as osp, pardir
+from os.path import normpath, join, dirname
+
+BASE_URL = 'http://www.logilab.org/hg/'
+
+to_clone = ['fyzz', 'yams', 'rql',
+            'logilab/common', 'logilab/constraint', 'logilab/database',
+            'logilab/devtools', 'logilab/mtconverter',
+            'cubes/blog', 'cubes/calendar', 'cubes/card', 'cubes/comment',
+            'cubes/datafeed', 'cubes/email', 'cubes/file', 'cubes/folder',
+            'cubes/forgotpwd', 'cubes/keyword', 'cubes/link',
+            'cubes/mailinglist', 'cubes/nosylist', 'cubes/person',
+            'cubes/preview', 'cubes/registration', 'cubes/rememberme',
+            'cubes/tag', 'cubes/vcsfile', 'cubes/zone']
+
+# a couple of functions to be used to explore available
+# repositories and cubes
+def list_repos(repos_root):
+    assert repos_root.startswith('http://')
+    hgwebdir_repos = (repo.strip()
+                      for repo in urlopen(repos_root + '?style=raw').readlines()
+                      if repo.strip())
+    prefix = osp.commonprefix(hgwebdir_repos)
+    return (repo[len(prefix):].strip('/')
+            for repo in hgwebdir_repos)
+
+def list_all_cubes(base_url=BASE_URL):
+    all_repos = list_repos(base_url)
+    #search for cubes
+    for repo in all_repos:
+        if repo.startswith('cubes'):
+            to_clone.append(repo)
+
+def get_latest_debian_tag(path):
+    proc = Popen(['hg', '-R', path, 'tags'], stdout=PIPE)
+    out, _err = proc.communicate()
+    for line in out.splitlines():
+        if 'debian-version' in line:
+            return line.split()[0]
+
+def main():
+    if len(sys.argv) == 1:
+        base_url = BASE_URL
+    elif len(sys.argv) == 2:
+        base_url = sys.argv[1]
+    else:
+        print >> sys.stderr, 'usage %s [base_url]' %  sys.argv[0]
+        sys.exit(1)
+    print len(to_clone), 'repositories will be cloned'
+    base_dir = normpath(join(dirname(__file__), pardir, pardir))
+    os.chdir(base_dir)
+    not_updated = []
+    for repo in to_clone:
+        url = base_url + repo
+        if '/' not in repo:
+            target_path = repo
+        else:
+            assert repo.count('/') == 1, repo
+            directory, repo = repo.split('/')
+            if not osp.isdir(directory):
+                os.mkdir(directory)
+                open(join(directory, '__init__.py'), 'w').close()
+            target_path = osp.join(directory, repo)
+        if osp.exists(target_path):
+            print target_path, 'seems already cloned. Skipping it.'
+        else:
+            hg_call(['clone', '-U', url, target_path])
+            tag = get_latest_debian_tag(target_path)
+            if tag:
+                print 'updating to', tag
+                hg_call(['update', '-R', target_path, tag])
+            else:
+                not_updated.append(target_path)
+    print """
+CubicWeb dependencies and standard set of cubes have been fetched and
+update to the latest stable version.
+
+You should ensure your PYTHONPATH contains `%(basedir)s`.
+You might want to read the environment configuration section of the documentation
+at http://docs.cubicweb.org/admin/setup.html#environment-configuration
+
+You can find more cubes at http://www.cubicweb.org.
+Clone them from `%(baseurl)scubes/` into the `%(basedir)s%(sep)scubes%(sep)s` directory.
+
+To get started you may read http://docs.cubicweb.org/tutorials/base/index.html.
+""" % {'basedir': os.getcwd(), 'baseurl': base_url, 'sep': os.sep}
+    if not_updated:
+        print >> sys.stderr, 'WARNING: The following repositories were not updated (no debian tag found):'
+        for path in not_updated:
+            print >> sys.stderr, '\t-', path
+
+if __name__ == '__main__':
+    main()
+
+
+