diff --git a/tools/boilerplate/boilerplate.py b/tools/boilerplate/boilerplate.py
index d11ca165374f379e7c420ec605dcdf67c7866665..3d556cccbeff4127dd123ab755f1f30eb1a2c521 100755
--- a/tools/boilerplate/boilerplate.py
+++ b/tools/boilerplate/boilerplate.py
@@ -21,12 +21,9 @@
 from __future__ import print_function
 
 import argparse
-import inspect
-import subprocess
 import os
+import subprocess
 import sys
-
-
 from importlib import import_module
 
 BOILERPLATE_PATH = os.getenv(
@@ -36,6 +33,8 @@
 sys.path.append(os.path.dirname(__file__))
 sys.path.append(BOILERPLATE_PATH)
 
+from recipe import Recipe  # NOQA
+
 
 def u8(s):
     if isinstance(s, bytes):
@@ -59,9 +58,14 @@ def main():
 
     recipes_module = import_module('recipes', package='boilerplate_data')
 
-    for k, v in recipes_module.__dict__.items():
-        if inspect.isclass(v) and not k.startswith('_'):
-            v.configure_subparser(subparsers)
+    if hasattr(recipes_module, '__all__'):
+        for k in recipes_module.__all__:
+            getattr(recipes_module, k).configure_subparser(subparsers)
+    else:
+        for k in dir(recipes_module):
+            print(k)
+            if issubclass(getattr(recipes_module, k), Recipe) and not k.startswith('_'):
+                getattr(recipes_module, k).configure_subparser(subparsers)
 
     args = parser.parse_args()
 
diff --git a/tools/boilerplate/boilerplate_data/recipes.py b/tools/boilerplate/boilerplate_data/recipes.py
index a7ed0a2da976d4775369a19a7c4b93459cb551d2..81e70a6000457f31deff2d29b845efab124d4f74 100644
--- a/tools/boilerplate/boilerplate_data/recipes.py
+++ b/tools/boilerplate/boilerplate_data/recipes.py
@@ -23,10 +23,13 @@
 import importlib
 import sys
 
-from recipe import _Recipe
+from recipe import Recipe
 
 
-class BaseRecipe(_Recipe):
+__all__ = ['BaseRecipe', 'CapRecipe', 'ComicRecipe', 'ComicTestRecipe']
+
+
+class BaseRecipe(Recipe):
     NAME = 'base'
 
     def generate(self):
@@ -37,7 +40,7 @@ def generate(self):
         self.write('test.py', self.template('base_test'))
 
 
-class CapRecipe(_Recipe):
+class CapRecipe(Recipe):
     NAME = 'cap'
 
     def __init__(self, args):
@@ -116,7 +119,7 @@ def generate(self):
         self.write('test.py', self.template('base_test'))
 
 
-class ComicRecipe(_Recipe):
+class ComicRecipe(Recipe):
     NAME = 'comic'
 
     def generate(self):
@@ -124,7 +127,7 @@ def generate(self):
         self.write('module.py', self.template('comic_module'))
 
 
-class ComicTestRecipe(_Recipe):
+class ComicTestRecipe(Recipe):
     NAME = 'comic.test'
 
     @classmethod
diff --git a/tools/boilerplate/recipe.py b/tools/boilerplate/recipe.py
index 1d1939cc4df08313de17d198960f90bb366be0d2..9c1785b08ce9c09418bba93379d6459533062c2b 100644
--- a/tools/boilerplate/recipe.py
+++ b/tools/boilerplate/recipe.py
@@ -1,7 +1,7 @@
 #! /usr/bin/env python
 # -*- coding: utf-8 -*-
 
-# Copyright(C) 2013      Laurent Bachelier
+# Copyright(C) 2013-2019      Laurent Bachelier, Sébastien Jean
 #
 # This file is part of weboob.
 #
@@ -20,14 +20,15 @@
 
 
 from __future__ import print_function
-import os
+
+import codecs
 import datetime
+import os
 import sys
-import codecs
 
 from mako.lookup import TemplateLookup
-from weboob import __version__
 
+from weboob import __version__
 
 WEBOOB_MODULES = os.getenv(
     'WEBOOB_MODULES',
@@ -50,7 +51,7 @@ def write(target, contents):
     print('Created %s' % target)
 
 
-class _Recipe(object):
+class Recipe(object):
     @classmethod
     def configure_subparser(cls, subparsers):
         subparser = subparsers.add_parser(cls.NAME)