From c6f8e717a69bdd620b833fc85965c62badf63fad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?C=C3=A9dric=20de=20Saint=20Martin?= <cedric.dsm@tiolive.com>
Date: Thu, 26 Apr 2012 11:02:45 +0200
Subject: [PATCH] Add new recipe : generate output if input is not null
---
setup.py | 1 +
.../generate_output_if_input_not_null.py | 71 +++++++++++++++++++
2 files changed, 72 insertions(+)
create mode 100644 slapos/recipe/generate_output_if_input_not_null.py
diff --git a/setup.py b/setup.py
index a6f053e12..26de2563a 100644
--- a/setup.py
+++ b/setup.py
@@ -58,6 +58,7 @@ setup(name=name,
'erp5scalabilitytestbed = slapos.recipe.erp5scalabilitytestbed:Recipe',
'equeue = slapos.recipe.equeue:Recipe',
'erp5testnode = slapos.recipe.erp5testnode:Recipe',
+ 'generate_output_if_input_not_null = slapos.recipe.generate_output_if_input_not_null:Recipe',
'generate.mac = slapos.recipe.generatemac:Recipe',
'nbdserver = slapos.recipe.nbdserver:Recipe',
'generic.onetimeupload = slapos.recipe.generic_onetimeupload:Recipe',
diff --git a/slapos/recipe/generate_output_if_input_not_null.py b/slapos/recipe/generate_output_if_input_not_null.py
new file mode 100644
index 000000000..944537e88
--- /dev/null
+++ b/slapos/recipe/generate_output_if_input_not_null.py
@@ -0,0 +1,71 @@
+##############################################################################
+#
+# Copyright (c) 2010 Vifib SARL and Contributors. All Rights Reserved.
+#
+# WARNING: This program as such is intended to be used by professional
+# programmers who take the whole responsibility of assessing all potential
+# consequences resulting from its eventual inadequacies and bugs
+# End users who are looking for a ready-to-use solution with commercial
+# guarantees and support are strongly adviced to contract a Free Software
+# Service Company
+#
+# This program is Free Software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 3
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+#
+##############################################################################
+from slapos.recipe.librecipe import GenericBaseRecipe
+
+class Recipe(GenericBaseRecipe):
+ """Generate an output from one or several input and a template.
+
+ Take "input-list" buildout parameter as input.
+ Each input of the list is separated by \n
+ Each input contains :
+ 1/ The parameter to use (like mybuildoutpart:myparameter)
+ 2/ The name of the input to use as key.
+
+ If all parameters in input are found, create an "output" parameter from a
+ "template" parameter. The "template" parameter is just a string containing
+ python parameters (like %(mykey)s).
+
+ Will produce nothing if one element of "input_list" doesn't exist.
+ Will raise if any input reference non-existent buildout part.
+
+ Example :
+ [get-output]
+ recipe = slapos.cookbook:generate_output_if_input_not_null
+ input-list =
+ firstkey mybuildoutpart:myparameter
+ otherkey myotherbuildoutpart:myotherparameter
+ template = I want to get %(key)s and %(otherkey)s
+
+ This example will produce an "output" parameter if myparameter and
+ myotherparameter are defined.
+ """
+ def __init__(self, buildout, name, options):
+ # Get all inputs
+ input_dict = {}
+ for line in options['input-list'].strip().split('\n'):
+ key, buildout_parameter = line.split(' ')
+ buildout_part, parameter_name = buildout_parameter.split(':')
+ parameter_value = buildout[buildout_part].get(parameter_name)
+ # If any parameter is not defined, don't do anything
+ if not parameter_value:
+ return
+ input_dict[key] = parameter_value
+ # Generate output
+ options['output'] = options['template'] % input_dict
+
+ def install(self):
+ return []
--
2.30.9