Fix #3129: Add CI coverage for transcribe.py

taskcluster/tc-all-utils.sh

@@ -43,6 +43,35 @@ set_ldc_sample_filename()
   esac
 }
 
+get_dependency_url()
+{
+  local _file=$1
+  all_deps="$(curl -s https://community-tc.services.mozilla.com/api/queue/v1/task/${TASK_ID} | python -c 'import json; import sys; print(" ".join(json.loads(sys.stdin.read())["dependencies"]));')"
+
+  for dep in ${all_deps}; do
+    local has_artifact=$(curl -s https://community-tc.services.mozilla.com/api/queue/v1/task/${dep}/artifacts | python -c 'import json; import sys; has_artifact = True in [ e["name"].find("'${_file}'") > 0 for e in json.loads(sys.stdin.read())["artifacts"] ]; print(has_artifact)')
+    if [ "${has_artifact}" = "True" ]; then
+      echo "https://community-tc.services.mozilla.com/api/queue/v1/task/${dep}/artifacts/public/${_file}"
+      exit 0
+    fi;
+  done;
+
+  echo ""
+}
+
+download_dependency_file()
+{
+  local _file=$1
+  url=$(get_dependency_url "${_file}")
+
+  if [ -z "${url}" ]; then
+    echo "Unable to find an URL for ${_file}"
+    exit 1
+  fi;
+
+  ${WGET} -P "${TASKCLUSTER_TMP_DIR}" "${url}"
+}
+
 download_data()
 {
   ${WGET} -P "${TASKCLUSTER_TMP_DIR}" "${model_source}"

taskcluster/tc-train-tests.sh

@@ -52,6 +52,10 @@ pushd ${HOME}/DeepSpeech/ds/
     time ./bin/run-tc-ldc93s1_tflite.sh "${sample_rate}"
 popd
 
+tar -cf - \
+    -C /tmp/ckpt/ . \
+    | ${XZ} > ${TASKCLUSTER_ARTIFACTS}/checkpoint.tar.xz
+
 cp /tmp/train/output_graph.pb ${TASKCLUSTER_ARTIFACTS}
 cp /tmp/train_tflite/output_graph.tflite ${TASKCLUSTER_ARTIFACTS}
 

taskcluster/tc-transcribe-tests.sh

@@ -0,0 +1,49 @@
+#!/bin/bash
+
+set -xe
+
+source $(dirname "$0")/tc-tests-utils.sh
+
+extract_python_versions "$1" "pyver" "pyver_pkg" "py_unicode_type" "pyconf" "pyalias"
+
+bitrate=$2
+
+mkdir -p ${TASKCLUSTER_ARTIFACTS} || true
+mkdir -p ${TASKCLUSTER_TMP_DIR}/ckpt || true
+
+download_dependency_file "checkpoint.tar.xz"
+cd ${TASKCLUSTER_TMP_DIR} && ${UNXZ} checkpoint.tar.xz
+cd ${TASKCLUSTER_TMP_DIR}/ckpt/ && tar -xf ${TASKCLUSTER_TMP_DIR}/checkpoint.tar
+
+virtualenv_activate "${pyalias}" "deepspeech"
+
+set -o pipefail
+pip install --upgrade pip==19.3.1 setuptools==45.0.0 wheel==0.33.6 | cat
+pushd ${HOME}/DeepSpeech/ds
+    pip install --upgrade . | cat
+    pip install --upgrade -r requirements_transcribe.txt | cat
+popd
+set +o pipefail
+
+# Prepare correct arguments for transcribeing
+case "${bitrate}" in
+    8k)
+        sample_rate=8000
+        sample_name='LDC93S1_pcms16le_1_8000.wav'
+    ;;
+    16k)
+        sample_rate=16000
+        sample_name='LDC93S1_pcms16le_1_16000.wav'
+    ;;
+esac
+
+pushd ${HOME}/DeepSpeech/ds/
+    python transcribe.py \
+	    --src "${DS_ROOT_TASK}/DeepSpeech/ds/data/smoke_test/${sample_name}" \
+	    --dst ${TASKCLUSTER_ARTIFACTS}/transcribe.log \
+	    --n_hidden 100 \
+	    --checkpoint_dir ${TASKCLUSTER_TMP_DIR}/ckpt/ \
+	    --scorer "${DS_ROOT_TASK}/DeepSpeech/ds/data/smoke_test/pruned_lm.scorer"
+popd
+
+virtualenv_deactivate "${pyalias}" "deepspeech"

taskcluster/test-transcribe_16k-linux-amd64-py35m-opt.yml

@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      apt-get -qq update && apt-get -qq -y install ${training.packages_xenial.apt} ${python.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-transcribe-tests.sh 3.5.8:m 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU 16kHz transcribe Py3.5"
+    description: "Transcribe a DeepSpeech LDC93S1 model for Linux/AMD64 16kHz Python 3.5, CPU only, optimized version"

taskcluster/test-transcribe_16k-linux-amd64-py36m-opt.yml

@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      apt-get -qq update && apt-get -qq -y install ${training.packages_xenial.apt} ${python.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-transcribe-tests.sh 3.6.10:m 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU 16kHz transcribe Py3.6"
+    description: "Transcribe a DeepSpeech LDC93S1 model for Linux/AMD64 16kHz Python 3.6, CPU only, optimized version"

taskcluster/test-transcribe_16k-linux-amd64-py37m-opt.yml

@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      apt-get -qq update && apt-get -qq -y install ${training.packages_xenial.apt} ${python.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-transcribe-tests.sh 3.7.6:m 16k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU 16kHz transcribe Py3.7"
+    description: "Transcribe a DeepSpeech LDC93S1 model for Linux/AMD64 16kHz Python 3.7, CPU only, optimized version"

taskcluster/test-transcribe_8k-linux-amd64-py36m-opt.yml

@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      apt-get -qq update && apt-get -qq -y install ${training.packages_xenial.apt} ${python.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-transcribe-tests.sh 3.6.10:m 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU 8kHz transcribe Py3.6"
+    description: "Transcribe a DeepSpeech LDC93S1 model for Linux/AMD64 8kHz Python 3.6, CPU only, optimized version"

taskcluster/test-transcribe_8k-linux-amd64-py37m-opt.yml

@@ -0,0 +1,13 @@
+build:
+  template_file: test-linux-opt-base.tyml
+  dependencies:
+    - "test-training_16k-linux-amd64-py36m-opt"
+  system_setup:
+    >
+      apt-get -qq update && apt-get -qq -y install ${training.packages_xenial.apt} ${python.packages_xenial.apt}
+  args:
+    tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/taskcluster/tc-transcribe-tests.sh 3.7.6:m 8k"
+  workerType: "${docker.dsTests}"
+  metadata:
+    name: "DeepSpeech Linux AMD64 CPU 8kHz transcribe Py3.7"
+    description: "Transcribe a DeepSpeech LDC93S1 model for Linux/AMD64 8kHz Python 3.7, CPU only, optimized version"