add tnn model convertor build to ci

.github/workflows/main.yml

@@ -26,20 +26,22 @@ jobs:
     - name: Run a one-line script
       run: echo Hello, world!
 
+
     # Runs a set of commands using the runners shell
     - name: Run a multi-line script
       run: |
         echo Add other actions to build,
         echo test, and deploy your project.
 
+
     - name: pre-commit check
       run:
         cd .github/workflows && ./pre-commit-job.sh
 
+
     - name: python unit test
       run:
         .github/workflows/unit-test-job.sh
-
 
 
   tnn:
@@ -49,6 +51,15 @@ jobs:
     - name: Run tnn build
       run: cd tnn && ./build.sh
 
+
+  tnn-model-convertor:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Run tnn model convertor build
+      run: cd tnn && ./build_tnn_model_convertor.sh
+
+
   models:
     runs-on: ubuntu-latest
     steps:

tnn/build_tnn_model_convertor.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env bash
+set -ex
+
+function prepare_env() {
+    # default
+    pip3 install onnx==1.6.0 onnxruntime numpy onnx-simplifier
+
+    # optional: tensorflow
+    pip3 install tensorflow==1.15.0
+    pip3 install tf2onnx
+    pip3 install onnxruntime
+
+    # optional: caffe
+    sudo apt-get install libprotobuf-dev protobuf-compiler
+}
+
+function main() {
+    prepare_env
+
+    # build
+    cd tnn/tools/convert2tnn
+    ./build.sh
+}
+
+main