The setup and payload directories and description file are the strict minimum
to build an image.
Payload directory is needed because build scripts can edit or create payloads.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

If not, global_dict.update(self.modules) raise an exception (TypeError:
NoneType) if lib dir is missing.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

if there is more than one image, build display a global build time

c_install function are moved to image

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

This patch review how scripts are executed and modules loaded.

sys.module is preserved from modification by scripts and avoid conflict with
module loaded by scripts

Only support pure python module in lib/, package (like foo.bar) don't work.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Now print traceback recursively with a smart merging of traceback and exception
from sub exception

No more store exception twice in ISException

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

ISException is an Installsystems exception which can handle an exception and
his information (type, value, traceback).

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

It is in the RST format, so this adds python-docutils as a build-dependency.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Ssh connection with agent fail when agent is not able to auth and claims "No Session"
instead of using provided password.

[1] http://stackoverflow.com/questions/6832248/paramiko-no-existing-session-exception
[2] https://github.com/paramiko/paramiko/issues/126

With the permission of Romain Degez, CTO of Smartjog and Sébastien Luttringer.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

According to PEP263 (http://www.python.org/peps/pep-0263.html

) the source code
encoding, like the magic comment '-*- coding: utf-8 -*-', must be on the two
first lines. If not, default encoding is ascii and SyntaxError will be raised
if there is a non-ASCII character.

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

Signed-off-by: Sébastien Luttringer <sebastien.luttringer@smartjog.com>

This allow to build a lot of image in their respective directory