diff --git a/beat/backend/python/algorithm.py b/beat/backend/python/algorithm.py
index a3d77ec68636fb62791f295fe51a5717f99a75f6..2cb4a95edc06315c0f318458d883a4ccdfa2be47 100644
--- a/beat/backend/python/algorithm.py
+++ b/beat/backend/python/algorithm.py
@@ -48,7 +48,7 @@ import logging
import six
import numpy
-import simplejson
+import simplejson as json
from . import dataformat
from . import library
@@ -433,7 +433,14 @@ class Algorithm(object):
return
with open(json_path, "rb") as f:
- self.data = simplejson.loads(f.read().decode("utf-8"))
+ try:
+ self.data = json.loads(
+ f.read().decode("utf-8"),
+ object_pairs_hook=utils.error_on_duplicate_key_hook,
+ )
+ except RuntimeError as error:
+ self.errors.append("Algorithm declaration file invalid: %s" % error)
+ return
self.code_path = self.storage.code.path
self.code = self.storage.code.load()
@@ -938,7 +945,7 @@ class Algorithm(object):
"""
- return simplejson.dumps(self.data, indent=indent, cls=utils.NumpyJSONEncoder)
+ return json.dumps(self.data, indent=indent, cls=utils.NumpyJSONEncoder)
def __str__(self):
return self.json_dumps()
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.json b/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.json
new file mode 100644
index 0000000000000000000000000000000000000000..a0bc8a4a9b570070660fcbbd55767842db731578
--- /dev/null
+++ b/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.json
@@ -0,0 +1,19 @@
+{
+ "language": "python",
+ "splittable": false,
+ "splittable": true,
+ "groups": [
+ {
+ "inputs": {
+ "in": {
+ "type": "user/single_integer/1"
+ }
+ },
+ "outputs": {
+ "out": {
+ "type": "user/single_integer/1"
+ }
+ }
+ }
+ ]
+}
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.py b/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.py
new file mode 100644
index 0000000000000000000000000000000000000000..164f5ad741e0db32021d2f210243cf9871ba449b
--- /dev/null
+++ b/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.py
@@ -0,0 +1,39 @@
+#!/usr/bin/env python
+# vim: set fileencoding=utf-8 :
+
+###################################################################################
+# #
+# Copyright (c) 2019 Idiap Research Institute, http://www.idiap.ch/ #
+# Contact: beat.support@idiap.ch #
+# #
+# Redistribution and use in source and binary forms, with or without #
+# modification, are permitted provided that the following conditions are met: #
+# #
+# 1. Redistributions of source code must retain the above copyright notice, this #
+# list of conditions and the following disclaimer. #
+# #
+# 2. Redistributions in binary form must reproduce the above copyright notice, #
+# this list of conditions and the following disclaimer in the documentation #
+# and/or other materials provided with the distribution. #
+# #
+# 3. Neither the name of the copyright holder nor the names of its contributors #
+# may be used to endorse or promote products derived from this software without #
+# specific prior written permission. #
+# #
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND #
+# ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED #
+# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE #
+# DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE #
+# FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL #
+# DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR #
+# SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER #
+# CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, #
+# OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE #
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. #
+# #
+###################################################################################
+
+
+class Algorithm:
+ def process(self, inputs, outputs):
+ return True
diff --git a/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.rst b/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.rst
new file mode 100644
index 0000000000000000000000000000000000000000..e62c1c42520de03eed49b89f3ed95fce122745de
--- /dev/null
+++ b/beat/backend/python/test/prefix/algorithms/legacy/duplicate_key_error/1.rst
@@ -0,0 +1 @@
+Test documentation
diff --git a/beat/backend/python/test/test_algorithm.py b/beat/backend/python/test/test_algorithm.py
index 4c1ce40577c38cab0edc4f4f8580a30d516571ea..0e75b54f478e66c2af71d0e9466254f1898586bb 100644
--- a/beat/backend/python/test/test_algorithm.py
+++ b/beat/backend/python/test/test_algorithm.py
@@ -92,6 +92,13 @@ class TestLegacyAPI_Loading(unittest.TestCase):
with self.assertRaises(AttributeError):
algorithm.runner()
+ def test_duplicate_key_error(self):
+ algorithm = Algorithm(prefix, "legacy/duplicate_key_error/1")
+ self.assertFalse(algorithm.valid)
+ self.assertNotEqual(
+ algorithm.errors[0].find("Algorithm declaration file invalid"), -1
+ )
+
def test_load_valid_algorithm(self):
algorithm = Algorithm(prefix, "legacy/valid_algorithm/1")
self.assertEqual(algorithm.name, "legacy/valid_algorithm/1")