Assure that any errors that occur during the do_engine_steps is correctly captured and returned to the end user or configurator with enough information for them to act on.

Pipfile.lock

@@ -35,7 +35,6 @@
                 "sha256:24dbaff8ce4f30566bb88976b398e8c4e77637171af3af6f1b9650f48890e60b",
                 "sha256:bb68f8d2bced8f93ccfd07d96c689b716b3227720add971be980accfc2952139"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==2.6.0"
         },
         "aniso8601": {
@@ -50,7 +49,6 @@
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
                 "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==19.3.0"
         },
         "babel": {
@@ -58,7 +56,6 @@
                 "sha256:1aac2ae2d0d8ea368fa90906567f5c08463d98ade155c0c4bfedd6a0f7160e38",
                 "sha256:d670ea0b10f8b723672d3a6abeb87b565b244da220d76b4dba1b66269ec152d4"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.8.0"
         },
         "bcrypt": {
@@ -82,7 +79,6 @@
                 "sha256:d7bdc26475679dd073ba0ed2766445bb5b20ca4793ca0db32b399dccc6bc84b7",
                 "sha256:ff032765bb8716d9387fd5376d987a937254b0619eff0972779515b5c98820bc"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==3.1.7"
         },
         "beautifulsoup4": {
@@ -111,7 +107,6 @@
                 "sha256:ef17d7dffde7fc73ecab3a3b6389d93d3213bac53fa7f28e68e33647ad50b916",
                 "sha256:fd77e4248bb1b7af5f7922dd8e81156f540306e3a5c4b1c24167c1f5f06025da"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==4.4.6"
         },
         "certifi": {
@@ -166,7 +161,6 @@
                 "sha256:d2b5255c7c6349bc1bd1e59e08cd12acbbd63ce649f2588755783aa94dfb6b1a",
                 "sha256:dacca89f4bfadd5de3d7489b7c8a566eee0d3676333fbb50030263894c38c0dc"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==7.1.2"
         },
         "clickclick": {
@@ -188,7 +182,6 @@
                 "sha256:2ca44140ee259b5e3d8aaf47c79c36a7ab0d5e94d70bd4105c03ede7a20ea5a1",
                 "sha256:cffc044844040c7ce04e9acd1838b5f2e5fa3170182f6fda4d2ea8b0099dbadd"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==5.0.0"
         },
         "connexion": {
@@ -247,7 +240,6 @@
                 "sha256:0c5b78adfbf7762415433f5515cd5c9e762339e23369dbe8000d84a4bf4ab3af",
                 "sha256:c2de3a60e9e7d07be26b7f2b00ca0309c207e06c100f9cc2a94931fc75a478fc"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==0.16"
         },
         "docxtpl": {
@@ -327,17 +319,15 @@
         },
         "flask-sqlalchemy": {
             "hashes": [
-                "sha256:0b656fbf87c5f24109d859bafa791d29751fabbda2302b606881ae5485b557a5",
-                "sha256:fcfe6df52cd2ed8a63008ca36b86a51fa7a4b70cef1c39e5625f722fca32308e"
+                "sha256:05b31d2034dd3f2a685cbbae4cfc4ed906b2a733cff7964ada450fd5e462b84e",
+                "sha256:bfc7150eaf809b1c283879302f04c42791136060c6eeb12c0c6674fb1291fae5"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
-            "version": "==2.4.3"
+            "version": "==2.4.4"
         },
         "future": {
             "hashes": [
                 "sha256:b1bead90b70cf6ec3f0710ae53a525360fa360d306a86583adc6bf83a4db537d"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.18.2"
         },
         "gunicorn": {
@@ -360,7 +350,6 @@
                 "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
                 "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.10"
         },
         "imagesize": {
@@ -368,7 +357,6 @@
                 "sha256:6965f19a6a2039c7d48bca7dba2473069ff854c36ae6f19d2cde309d998228a1",
                 "sha256:b1f6b5a4eab1f73479a50fb79fcf729514a900c341d8503d62a62dbc4127a2b1"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.2.0"
         },
         "importlib-metadata": {
@@ -384,7 +372,6 @@
                 "sha256:88b101b2668a1d81d6d72d4c2018e53bc6c7fc544c987849da1c7f77545c3bc9",
                 "sha256:f576e85132d34f5bf7df5183c2c6f94cfb32e528f53065345cf71329ba0b8924"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==0.5.0"
         },
         "itsdangerous": {
@@ -392,7 +379,6 @@
                 "sha256:321b033d07f2a4136d3ec762eac9f16a10ccd60f53c0c91af90217ace7ba1f19",
                 "sha256:b12271b2047cb23eeb98c8b5622e2e5c5e9abd9784a153e9d8ef9cb4dd09d749"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.0"
         },
         "jdcal": {
@@ -407,7 +393,6 @@
                 "sha256:89aab215427ef59c34ad58735269eb58b1a5808103067f7bb9d5836c651b3bb0",
                 "sha256:f0a4641d3cf955324a89c04f3d94663aa4d638abe8f733ecd3582848e1c37035"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==2.11.2"
         },
         "jsonschema": {
@@ -422,16 +407,11 @@
                 "sha256:be48cdffb54a2194d93ad6533d73f69408486483d189fe9f5990ee24255b0e0a",
                 "sha256:ca1b45faac8c0b18493d02a8571792f3c40291cf2bcf1f55afed3d8f3aa7ba74"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==4.6.11"
         },
         "ldap3": {
             "hashes": [
                 "sha256:17f04298b70bf7ecaa5db8a7d8622b5a962ef7fc2b245b2eea705ac1c24338c0",
-                "sha256:298769ab0232b3a3efa1e84881096c24526fe37911c83a11285f222fe4975efd",
-                "sha256:4fd2db72d0412cc16ee86be01332095e86e361329c3579b314231eb2e56c7871",
-                "sha256:52ab557b3c4908db4a90bea16731aa714b1b54e039b54fd4c4b83994c6c48c0c",
-                "sha256:53aaae5bf14f3827c69600ddf4d61b88f49c055bb93060e9702c5bafd206c744",
                 "sha256:81df4ac8b6df10fb1f05b17c18d0cb8c4c344d5a03083c382824960ed959cf5b"
             ],
             "index": "pypi",
@@ -439,43 +419,42 @@
         },
         "lxml": {
             "hashes": [
-                "sha256:06748c7192eab0f48e3d35a7adae609a329c6257495d5e53878003660dc0fec6",
-                "sha256:0790ddca3f825dd914978c94c2545dbea5f56f008b050e835403714babe62a5f",
-                "sha256:1aa7a6197c1cdd65d974f3e4953764eee3d9c7b67e3966616b41fab7f8f516b7",
-                "sha256:22c6d34fdb0e65d5f782a4d1a1edb52e0a8365858dafb1c08cb1d16546cf0786",
-                "sha256:2754d4406438c83144f9ffd3628bbe2dcc6d62b20dbc5c1ec4bc4385e5d44b42",
-                "sha256:27ee0faf8077c7c1a589573b1450743011117f1aa1a91d5ae776bbc5ca6070f2",
-                "sha256:2b02c106709466a93ed424454ce4c970791c486d5fcdf52b0d822a7e29789626",
-                "sha256:2d1ddce96cf15f1254a68dba6935e6e0f1fe39247de631c115e84dd404a6f031",
-                "sha256:4f282737d187ae723b2633856085c31ae5d4d432968b7f3f478a48a54835f5c4",
-                "sha256:51bb4edeb36d24ec97eb3e6a6007be128b720114f9a875d6b370317d62ac80b9",
-                "sha256:7eee37c1b9815e6505847aa5e68f192e8a1b730c5c7ead39ff317fde9ce29448",
-                "sha256:7fd88cb91a470b383aafad554c3fe1ccf6dfb2456ff0e84b95335d582a799804",
-                "sha256:9144ce36ca0824b29ebc2e02ca186e54040ebb224292072250467190fb613b96",
-                "sha256:925baf6ff1ef2c45169f548cc85204433e061360bfa7d01e1be7ae38bef73194",
-                "sha256:a636346c6c0e1092ffc202d97ec1843a75937d8c98aaf6771348ad6422e44bb0",
-                "sha256:a87dbee7ad9dce3aaefada2081843caf08a44a8f52e03e0a4cc5819f8398f2f4",
-                "sha256:a9e3b8011388e7e373565daa5e92f6c9cb844790dc18e43073212bb3e76f7007",
-                "sha256:afb53edf1046599991fb4a7d03e601ab5f5422a5435c47ee6ba91ec3b61416a6",
-                "sha256:b26719890c79a1dae7d53acac5f089d66fd8cc68a81f4e4bd355e45470dc25e1",
-                "sha256:b7462cdab6fffcda853338e1741ce99706cdf880d921b5a769202ea7b94e8528",
-                "sha256:b77975465234ff49fdad871c08aa747aae06f5e5be62866595057c43f8d2f62c",
-                "sha256:c47a8a5d00060122ca5908909478abce7bbf62d812e3fc35c6c802df8fb01fe7",
-                "sha256:c79e5debbe092e3c93ca4aee44c9a7631bdd407b2871cb541b979fd350bbbc29",
-                "sha256:d8d40e0121ca1606aa9e78c28a3a7d88a05c06b3ca61630242cded87d8ce55fa",
-                "sha256:ee2be8b8f72a2772e72ab926a3bccebf47bb727bda41ae070dc91d1fb759b726",
-                "sha256:f95d28193c3863132b1f55c1056036bf580b5a488d908f7d22a04ace8935a3a9",
-                "sha256:fadd2a63a2bfd7fb604508e553d1cf68eca250b2fbdbd81213b5f6f2fbf23529"
+                "sha256:05a444b207901a68a6526948c7cc8f9fe6d6f24c70781488e32fd74ff5996e3f",
+                "sha256:08fc93257dcfe9542c0a6883a25ba4971d78297f63d7a5a26ffa34861ca78730",
+                "sha256:107781b213cf7201ec3806555657ccda67b1fccc4261fb889ef7fc56976db81f",
+                "sha256:121b665b04083a1e85ff1f5243d4a93aa1aaba281bc12ea334d5a187278ceaf1",
+                "sha256:2b30aa2bcff8e958cd85d907d5109820b01ac511eae5b460803430a7404e34d7",
+                "sha256:4b4a111bcf4b9c948e020fd207f915c24a6de3f1adc7682a2d92660eb4e84f1a",
+                "sha256:5591c4164755778e29e69b86e425880f852464a21c7bb53c7ea453bbe2633bbe",
+                "sha256:59daa84aef650b11bccd18f99f64bfe44b9f14a08a28259959d33676554065a1",
+                "sha256:5a9c8d11aa2c8f8b6043d845927a51eb9102eb558e3f936df494e96393f5fd3e",
+                "sha256:5dd20538a60c4cc9a077d3b715bb42307239fcd25ef1ca7286775f95e9e9a46d",
+                "sha256:74f48ec98430e06c1fa8949b49ebdd8d27ceb9df8d3d1c92e1fdc2773f003f20",
+                "sha256:786aad2aa20de3dbff21aab86b2fb6a7be68064cbbc0219bde414d3a30aa47ae",
+                "sha256:7ad7906e098ccd30d8f7068030a0b16668ab8aa5cda6fcd5146d8d20cbaa71b5",
+                "sha256:80a38b188d20c0524fe8959c8ce770a8fdf0e617c6912d23fc97c68301bb9aba",
+                "sha256:92282c83547a9add85ad658143c76a64a8d339028926d7dc1998ca029c88ea6a",
+                "sha256:94150231f1e90c9595ccc80d7d2006c61f90a5995db82bccbca7944fd457f0f6",
+                "sha256:9dc9006dcc47e00a8a6a029eb035c8f696ad38e40a27d073a003d7d1443f5d88",
+                "sha256:a76979f728dd845655026ab991df25d26379a1a8fc1e9e68e25c7eda43004bed",
+                "sha256:aa8eba3db3d8761db161003e2d0586608092e217151d7458206e243be5a43843",
+                "sha256:bea760a63ce9bba566c23f726d72b3c0250e2fa2569909e2d83cda1534c79443",
+                "sha256:c3f511a3c58676147c277eff0224c061dd5a6a8e1373572ac817ac6324f1b1e0",
+                "sha256:cc411ad324a4486b142c41d9b2b6a722c534096963688d879ea6fa8a35028258",
+                "sha256:cdc13a1682b2a6241080745b1953719e7fe0850b40a5c71ca574f090a1391df6",
+                "sha256:e1cacf4796b20865789083252186ce9dc6cc59eca0c2e79cca332bdff24ac481",
+                "sha256:e70d4e467e243455492f5de463b72151cc400710ac03a0678206a5f27e79ddef",
+                "sha256:ecc930ae559ea8a43377e8b60ca6f8d61ac532fc57efb915d899de4a67928efd",
+                "sha256:f161af26f596131b63b236372e4ce40f3167c1b5b5d459b29d2514bd8c9dc9ee"
             ],
             "index": "pypi",
-            "version": "==4.5.1"
+            "version": "==4.5.2"
         },
         "mako": {
             "hashes": [
                 "sha256:8195c8c1400ceb53496064314c6736719c6f25e7479cd24c77be3d9361cddc27",
                 "sha256:93729a258e4ff0747c876bd9e20df1b9758028946e976324ccd2d68245c7b6a9"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.3"
         },
         "markdown": {
@@ -522,16 +501,15 @@
                 "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
                 "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.1.1"
         },
         "marshmallow": {
             "hashes": [
-                "sha256:35ee2fb188f0bd9fc1cf9ac35e45fd394bd1c153cee430745a465ea435514bd5",
-                "sha256:9aa20f9b71c992b4782dad07c51d92884fd0f7c5cb9d3c737bea17ec1bad765f"
+                "sha256:0f3a630f6a2fd124929f1bdcb5df65bd14cc8f49f52a18d0bdcfa0c42414e4a7",
+                "sha256:ba949379cb6ef73655f72075e82b31cf57012a5557ede642fc8614ab0354f869"
             ],
             "index": "pypi",
-            "version": "==3.6.1"
+            "version": "==3.7.0"
         },
         "marshmallow-enum": {
             "hashes": [
@@ -578,7 +556,6 @@
                 "sha256:df1889701e2dfd8ba4dc9b1a010f0a60950077fb5242bb92c8b5c7f1a6f2668a",
                 "sha256:fa1fe75b4a9e18b66ae7f0b122543c42debcf800aaafa0212aaff3ad273c2596"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==1.19.0"
         },
         "openapi-spec-validator": {
@@ -602,7 +579,6 @@
                 "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8",
                 "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.4"
         },
         "pandas": {
@@ -665,19 +641,8 @@
         },
         "pyasn1": {
             "hashes": [
-                "sha256:014c0e9976956a08139dc0712ae195324a75e142284d5f87f1a87ee1b068a359",
-                "sha256:03840c999ba71680a131cfaee6fab142e1ed9bbd9c693e285cc6aca0d555e576",
-                "sha256:0458773cfe65b153891ac249bcf1b5f8f320b7c2ce462151f8fa74de8934becf",
-                "sha256:08c3c53b75eaa48d71cf8c710312316392ed40899cb34710d092e96745a358b7",
                 "sha256:39c7e2ec30515947ff4e87fb6f456dfc6e84857d34be479c9d4a4ba4bf46aa5d",
-                "sha256:5c9414dcfede6e441f7e8f81b43b34e834731003427e5b09e4e00e3172a10f00",
-                "sha256:6e7545f1a61025a4e58bb336952c5061697da694db1cae97b116e9c46abcf7c8",
-                "sha256:78fa6da68ed2727915c4767bb386ab32cdba863caa7dbe473eaae45f9959da86",
-                "sha256:7ab8a544af125fb704feadb008c99a88805126fb525280b2270bb25cc1d78a12",
-                "sha256:99fcc3c8d804d1bc6d9a099921e39d827026409a58f2a720dcdb89374ea0c776",
-                "sha256:aef77c9fb94a3ac588e87841208bdec464471d9871bd5050a287cc9a475cd0ba",
-                "sha256:e89bf84b5437b532b0803ba5c9a5e054d21fec423a89952a74f87fa2c9b7bce2",
-                "sha256:fec3e9d8e36808a28efb59b489e4528c10ad0f480e57dcc32b4de5c9d8c9fdf3"
+                "sha256:aef77c9fb94a3ac588e87841208bdec464471d9871bd5050a287cc9a475cd0ba"
             ],
             "version": "==0.4.8"
         },
@@ -686,7 +651,6 @@
                 "sha256:2d475327684562c3a96cc71adf7dc8c4f0565175cf86b6d7a404ff4c771f15f0",
                 "sha256:7582ad22678f0fcd81102833f60ef8d0e57288b6b5fb00323d101be910e35705"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.20"
         },
         "pygments": {
@@ -694,7 +658,6 @@
                 "sha256:647344a061c249a3b74e230c739f434d7ea4d8b1d5f3721bc0f3558049b38f44",
                 "sha256:ff7a40b4860b727ab48fad6360eb351cc1b33cbf9b15a0f689ca5353e9463324"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==2.6.1"
         },
         "pyjwt": {
@@ -710,7 +673,6 @@
                 "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
                 "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.4.7"
         },
         "pyrsistent": {
@@ -737,9 +699,7 @@
             "hashes": [
                 "sha256:1bf6e860a8ad52a14c3ee1252d5dc25b2030618ed80c022598f00176adc8367d",
                 "sha256:51fda6bcc5ddbbb7063b2af7509e43bd84bfc32a4ff71349ec7847713882327b",
-                "sha256:5f98b069316ea1c2ed3f67e7f5df6c0d8f10b689964a4a811ff64f0106819ec8",
-                "sha256:c3da2053dbab6b29c94e43c486ff67206eafbe7eb52dbec7390b5e2fb05aac77",
-                "sha256:ea87e17f6ec459e780e4221f295411462e0d0810858e055fc514684350a2f522"
+                "sha256:5f98b069316ea1c2ed3f67e7f5df6c0d8f10b689964a4a811ff64f0106819ec8"
             ],
             "version": "==1.0.4"
         },
@@ -853,7 +813,6 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.15.0"
         },
         "snowballstemmer": {
@@ -868,7 +827,6 @@
                 "sha256:1634eea42ab371d3d346309b93df7870a88610f0725d47528be902a0d95ecc55",
                 "sha256:a59dc181727e95d25f781f0eb4fd1825ff45590ec8ff49eadfd7f1a537cc0232"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==2.0.1"
         },
         "sphinx": {
@@ -884,7 +842,6 @@
                 "sha256:806111e5e962be97c29ec4c1e7fe277bfd19e9652fb1a4392105b43e01af885a",
                 "sha256:a072735ec80e7675e3f432fcae8610ecf509c5f1869d17e2eecff44389cdbc58"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.0.2"
         },
         "sphinxcontrib-devhelp": {
@@ -892,7 +849,6 @@
                 "sha256:8165223f9a335cc1af7ffe1ed31d2871f325254c0423bc0c4c7cd1c1e4734a2e",
                 "sha256:ff7f1afa7b9642e7060379360a67e9c41e8f3121f2ce9164266f61b9f4b338e4"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.0.2"
         },
         "sphinxcontrib-htmlhelp": {
@@ -900,7 +856,6 @@
                 "sha256:3c0bc24a2c41e340ac37c85ced6dafc879ab485c095b1d65d2461ac2f7cca86f",
                 "sha256:e8f5bb7e31b2dbb25b9cc435c8ab7a79787ebf7f906155729338f3156d93659b"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.0.3"
         },
         "sphinxcontrib-jsmath": {
@@ -908,7 +863,6 @@
                 "sha256:2ec2eaebfb78f3f2078e73666b1415417a116cc848b72e5172e596c871103178",
                 "sha256:a9925e4a4587247ed2191a22df5f6970656cb8ca2bd6284309578f2153e0c4b8"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.0.1"
         },
         "sphinxcontrib-qthelp": {
@@ -916,7 +870,6 @@
                 "sha256:4c33767ee058b70dba89a6fc5c1892c0d57a54be67ddd3e7875a18d14cba5a72",
                 "sha256:bd9fc24bcb748a8d51fd4ecaade681350aa63009a347a8c14e637895444dfab6"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.0.3"
         },
         "sphinxcontrib-serializinghtml": {
@@ -924,13 +877,12 @@
                 "sha256:eaa0eccc86e982a9b939b2b82d12cc5d013385ba5eadcc7e4fed23f4405f77bc",
                 "sha256:f242a81d423f59617a8e5cf16f5d4d74e28ee9a66f9e5b637a18082991db5a9a"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==1.1.4"
         },
         "spiffworkflow": {
             "editable": true,
             "git": "https://github.com/sartography/SpiffWorkflow.git",
-            "ref": "e47dbce4147f2475f50ef705eab32a1426540613"
+            "ref": "c72ced41e323aa69fcb6f7708e1869e98add716d"
         },
         "sqlalchemy": {
             "hashes": [
@@ -963,7 +915,6 @@
                 "sha256:f57be5673e12763dd400fea568608700a63ce1c6bd5bdbc3cc3a2c5fdb045274",
                 "sha256:fc728ece3d5c772c196fd338a99798e7efac7a04f9cb6416299a3638ee9a94cd"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.3.18"
         },
         "swagger-ui-bundle": {
@@ -980,7 +931,6 @@
                 "sha256:3018294ebefce6572a474f0604c2021e33b3fd8006ecd11d62107a5d2a963527",
                 "sha256:88206b0eb87e6d677d424843ac5209e3fb9d0190d0ee169599165ec25e9d9115"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4' and python_version < '4'",
             "version": "==1.25.9"
         },
         "vine": {
@@ -988,7 +938,6 @@
                 "sha256:133ee6d7a9016f177ddeaf191c1f58421a1dcc6ee9a42c58b34bed40e1d2cd87",
                 "sha256:ea4947cc56d1fd6f2095c8d543ee25dad966f78692528e68b4fada11ba3f98af"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.3.0"
         },
         "waitress": {
@@ -996,7 +945,6 @@
                 "sha256:1bb436508a7487ac6cb097ae7a7fe5413aefca610550baf58f0940e51ecfb261",
                 "sha256:3d633e78149eb83b60a07dfabb35579c29aac2d24bb803c18b26fb2ab1a584db"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4'",
             "version": "==1.4.4"
         },
         "webob": {
@@ -1004,7 +952,6 @@
                 "sha256:a3c89a8e9ba0aeb17382836cdb73c516d0ecf6630ec40ec28288f3ed459ce87b",
                 "sha256:aa3a917ed752ba3e0b242234b2a373f9c4e2a75d35291dcbe977649bd21fd108"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.8.6"
         },
         "webtest": {
@@ -1051,7 +998,6 @@
                 "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
                 "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==3.1.0"
         }
     },
@@ -1061,7 +1007,6 @@
                 "sha256:08a96c641c3a74e44eb59afb61a24f2cb9f4d7188748e76ba4bb5edfa3cb7d1c",
                 "sha256:f7b7ce16570fe9965acd6d30101a28f62fb4a7f9e926b3bbc9b61f8b04247e72"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==19.3.0"
         },
         "coverage": {
@@ -1117,7 +1062,6 @@
                 "sha256:68c70cc7167bdf5c7c9d8f6954a7837089c6a36bf565383919bb595efb8a17e5",
                 "sha256:b78134b2063dd214000685165d81c154522c3ee0a1c0d4d113c80361c234c5a2"
             ],
-            "markers": "python_version >= '3.5'",
             "version": "==8.4.0"
         },
         "packaging": {
@@ -1125,7 +1069,6 @@
                 "sha256:4357f74f47b9c12db93624a82154e9b120fa8293699949152b22065d556079f8",
                 "sha256:998416ba6962ae7fbd6596850b80e17859a5753ba17c32284f67bfff33784181"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==20.4"
         },
         "pbr": {
@@ -1141,7 +1084,6 @@
                 "sha256:15b2acde666561e1298d71b523007ed7364de07029219b604cf808bfa1c765b0",
                 "sha256:966c145cd83c96502c3c3868f50408687b38434af77734af1e9ca461a4081d2d"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==0.13.1"
         },
         "py": {
@@ -1149,7 +1091,6 @@
                 "sha256:366389d1db726cd2fcfc79732e75410e5fe4d31db13692115529d34069a043c2",
                 "sha256:9ca6883ce56b4e8da7e79ac18787889fa5206c79dcc67fb065376cd2fe03f342"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.9.0"
         },
         "pyparsing": {
@@ -1157,7 +1098,6 @@
                 "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
                 "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
-            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==2.4.7"
         },
         "pytest": {
@@ -1173,7 +1113,6 @@
                 "sha256:30639c035cdb23534cd4aa2dd52c3bf48f06e5f4a941509c8bafd8ce11080259",
                 "sha256:8b74bedcbbbaca38ff6d7491d76f2b06b3592611af620f8426e82dddb04a5ced"
             ],
-            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
             "version": "==1.15.0"
         },
         "wcwidth": {
@@ -1188,7 +1127,6 @@
                 "sha256:aa36550ff0c0b7ef7fa639055d797116ee891440eac1a56f378e2d3179e0320b",
                 "sha256:c599e4d75c98f6798c509911d08a22e6c021d074469042177c8c86fb92eefd96"
             ],
-            "markers": "python_version >= '3.6'",
             "version": "==3.1.0"
         }
     }

crc/services/workflow_processor.py

@@ -167,7 +167,10 @@ class WorkflowProcessor(object):
             bpmn_workflow = BpmnWorkflow(spec, script_engine=self._script_engine)
             bpmn_workflow.data[WorkflowProcessor.STUDY_ID_KEY] = workflow_model.study_id
             bpmn_workflow.data[WorkflowProcessor.VALIDATION_PROCESS_KEY] = validate_only
-            bpmn_workflow.do_engine_steps()
+            try:
+                bpmn_workflow.do_engine_steps()
+            except WorkflowException as we:
+                raise ApiError.from_task_spec("error_loading_workflow", str(we), we.sender)
         return bpmn_workflow
 
     def save(self):
@@ -308,7 +311,10 @@ class WorkflowProcessor(object):
         new_spec = WorkflowProcessor.get_spec(self.spec_data_files, self.workflow_spec_id)
         new_bpmn_workflow = BpmnWorkflow(new_spec, script_engine=self._script_engine)
         new_bpmn_workflow.data = self.bpmn_workflow.data
-        new_bpmn_workflow.do_engine_steps()
+        try:
+            new_bpmn_workflow.do_engine_steps()
+        except WorkflowException as we:
+            raise ApiError.from_task_spec("hard_reset_engine_steps_error", str(we), we.sender)
         self.bpmn_workflow = new_bpmn_workflow
 
     def get_status(self):

tests/data/decision_table_invalid/bad_dmn.dmn

@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<definitions xmlns="http://www.omg.org/spec/DMN/20151101/dmn.xsd" xmlns:biodi="http://bpmn.io/schema/dmn/biodi/1.0" id="Definitions_1hao5sb" name="DRD" namespace="http://camunda.org/schema/1.0/dmn" exporter="Camunda Modeler" exporterVersion="3.7.3">
+  <decision id="bad_dmn" name="Decision 1">
+    <extensionElements>
+      <biodi:bounds x="150" y="150" width="180" height="80" />
+    </extensionElements>
+    <decisionTable id="decisionTable_1">
+      <input id="input_1" label="num_presents">
+        <inputExpression id="inputExpression_1" typeRef="long">
+          <text>1</text>
+        </inputExpression>
+      </input>
+      <output id="output_1" label="My Message" name="message" typeRef="integer" />
+      <rule id="DecisionRule_0gl355z">
+        <description></description>
+        <inputEntry id="UnaryTests_06x22gk">
+          <text>0</text>
+        </inputEntry>
+        <outputEntry id="LiteralExpression_0yuxzxi">
+          <text>0</text>
+        </outputEntry>
+      </rule>
+      <rule id="DecisionRule_1s6l5b6">
+        <description>'one' can't be evaluated, it must be quoted</description>
+        <inputEntry id="UnaryTests_1oyo6k0">
+          <text>1</text>
+        </inputEntry>
+        <outputEntry id="LiteralExpression_09t5r62">
+          <text>one</text>
+        </outputEntry>
+      </rule>
+      <rule id="DecisionRule_1dvd34d">
+        <inputEntry id="UnaryTests_1k557bj">
+          <text>2</text>
+        </inputEntry>
+        <outputEntry id="LiteralExpression_1n1eo23">
+          <text>2</text>
+        </outputEntry>
+      </rule>
+      <rule id="DecisionRule_0tqqjg9">
+        <inputEntry id="UnaryTests_0dnd50d">
+          <text>&gt; 2</text>
+        </inputEntry>
+        <outputEntry id="LiteralExpression_0fk5uhh">
+          <text>3</text>
+        </outputEntry>
+      </rule>
+    </decisionTable>
+  </decision>
+</definitions>

tests/data/decision_table_invalid/decision_table_invalid.bpmn

@@ -0,0 +1,56 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<bpmn:definitions xmlns:bpmn="http://www.omg.org/spec/BPMN/20100524/MODEL" xmlns:bpmndi="http://www.omg.org/spec/BPMN/20100524/DI" xmlns:dc="http://www.omg.org/spec/DD/20100524/DC" xmlns:camunda="http://camunda.org/schema/1.0/bpmn" xmlns:di="http://www.omg.org/spec/DD/20100524/DI" id="Definitions_1elv5t1" targetNamespace="http://bpmn.io/schema/bpmn" exporter="Camunda Modeler" exporterVersion="3.7.3">
+  <bpmn:process id="Process_15vbyda" isExecutable="true">
+    <bpmn:startEvent id="StartEvent_1">
+      <bpmn:outgoing>SequenceFlow_1ma1wxb</bpmn:outgoing>
+    </bpmn:startEvent>
+    <bpmn:sequenceFlow id="SequenceFlow_1ma1wxb" sourceRef="StartEvent_1" targetRef="Task_0sgafty" />
+    <bpmn:businessRuleTask id="Task_0sgafty" name="A bad DMN" camunda:decisionRef="bad_dmn">
+      <bpmn:incoming>SequenceFlow_1ma1wxb</bpmn:incoming>
+      <bpmn:outgoing>SequenceFlow_0grui6f</bpmn:outgoing>
+    </bpmn:businessRuleTask>
+    <bpmn:endEvent id="EndEvent_0tsqkyu">
+      <bpmn:documentation># Great Work!
+
+Based on the information you provided (Ginger left {{num_presents}}, we recommend the following statement be provided to Ginger:
+
+## {{message}}
+
+We hope you both have an excellent day!</bpmn:documentation>
+      <bpmn:incoming>SequenceFlow_0grui6f</bpmn:incoming>
+    </bpmn:endEvent>
+    <bpmn:sequenceFlow id="SequenceFlow_0grui6f" sourceRef="Task_0sgafty" targetRef="EndEvent_0tsqkyu" />
+    <bpmn:textAnnotation id="TextAnnotation_0oajoz7">
+      <bpmn:text>This DMN isn't provided enough information to execute</bpmn:text>
+    </bpmn:textAnnotation>
+    <bpmn:association id="Association_1raak4y" sourceRef="Task_0sgafty" targetRef="TextAnnotation_0oajoz7" />
+  </bpmn:process>
+  <bpmndi:BPMNDiagram id="BPMNDiagram_1">
+    <bpmndi:BPMNPlane id="BPMNPlane_1" bpmnElement="Process_15vbyda">
+      <bpmndi:BPMNShape id="TextAnnotation_0oajoz7_di" bpmnElement="TextAnnotation_0oajoz7">
+        <dc:Bounds x="400" y="80" width="100" height="82" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNEdge id="SequenceFlow_0grui6f_di" bpmnElement="SequenceFlow_0grui6f">
+        <di:waypoint x="370" y="237" />
+        <di:waypoint x="432" y="237" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNEdge id="SequenceFlow_1ma1wxb_di" bpmnElement="SequenceFlow_1ma1wxb">
+        <di:waypoint x="215" y="237" />
+        <di:waypoint x="270" y="237" />
+      </bpmndi:BPMNEdge>
+      <bpmndi:BPMNShape id="_BPMNShape_StartEvent_2" bpmnElement="StartEvent_1">
+        <dc:Bounds x="179" y="219" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="BusinessRuleTask_10c5wgr_di" bpmnElement="Task_0sgafty">
+        <dc:Bounds x="270" y="197" width="100" height="80" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNShape id="EndEvent_0tsqkyu_di" bpmnElement="EndEvent_0tsqkyu">
+        <dc:Bounds x="432" y="219" width="36" height="36" />
+      </bpmndi:BPMNShape>
+      <bpmndi:BPMNEdge id="Association_1raak4y_di" bpmnElement="Association_1raak4y">
+        <di:waypoint x="364" y="198" />
+        <di:waypoint x="404" y="162" />
+      </bpmndi:BPMNEdge>
+    </bpmndi:BPMNPlane>
+  </bpmndi:BPMNDiagram>
+</bpmn:definitions>

tests/workflow/test_workflow_processor.py

@@ -368,4 +368,7 @@ class TestWorkflowProcessor(BaseTest):
         task.task_spec.form.fields.append(field)
 
         with self.assertRaises(ApiError):
-            self._populate_form_with_random_data(task)
+            self._populate_form_with_random_data(task)
+
+
+

tests/workflow/test_workflow_service.py

@@ -9,6 +9,7 @@ from example_data import ExampleDataLoader
 from crc import db
 from crc.models.stats import TaskEventModel
 from crc.models.api_models import Task
+from crc.api.common import ApiError
 
 
 class TestWorkflowService(BaseTest):
@@ -132,3 +133,7 @@ class TestWorkflowService(BaseTest):
         self.assertEqual({}, task_logs[0].form_data)
 
 
+    def test_dmn_evaluation_errors_in_oncomplete_raise_api_errors_during_validation(self):
+        workflow_spec_model = self.load_test_spec("decision_table_invalid")
+        with self.assertRaises(ApiError):
+            WorkflowService.test_spec(workflow_spec_model.id)