[Python] python track1 new pipeline (Azure#16489)

* exception handle and encode problem

* Update autorest_tools.py

Author: msyyc

scripts/automation_generate.sh

@@ -10,12 +10,19 @@ sudo npm install -g n
 sudo n 10.15.0
 export PATH=/usr/local/n/versions/node/10.15.0/bin:$PATH
 
-# generate code and package
-python -m packaging_tools.auto_codegen "$1" "$TMPDIR/venv-sdk/auto_temp.json" 2>&1
+TEMP_FILE="$TMPDIR/venv-sdk/auto_temp.json"
+# generate code
+python -m packaging_tools.auto_codegen "$1" "$TEMP_FILE" 2>&1
 echo "[Generate] codegen done!!!"
-python -m packaging_tools.auto_package "$TMPDIR/venv-sdk/auto_temp.json" "$2" 2>&1
-echo "[Generate] generate done!!!"
+if [ ! -f "$TEMP_FILE" ]; then
+  echo "[Autorest]$TEMP_FILE does not exist!!!Error happened during codegen"
+  exit 1
+fi
 
+# package
+python -m packaging_tools.auto_package "$TEMP_FILE" "$2" 2>&1
+echo "[Generate] generate done!!!"
 if [ ! -f "$2" ]; then
-  echo "[Autorest]$2 does not exist!!!"
-fi
+  echo "[Autorest]$2 does not exist!!!Error happened during package"
+  exit 1
+fi

tools/azure-sdk-tools/packaging_tools/auto_package.py

@@ -47,8 +47,6 @@ def change_log_generate(package_name):
 def main(generate_input, generate_output):
     with open(generate_input, "r") as reader:
         data = json.load(reader)
-    if not data:
-        return
 
     sdk_folder = '.'
     result = {

tools/azure-sdk-tools/packaging_tools/swaggertosdk/autorest_tools.py

@@ -5,7 +5,6 @@
 import shutil
 import subprocess
 
-
 _LOGGER = logging.getLogger(__name__)
 
 
@@ -130,7 +129,8 @@ def execute_simple_command(cmd_line, cwd=None, shell=False, env=None):
                                    universal_newlines=True,
                                    cwd=cwd,
                                    shell=shell,
-                                   env=env)
+                                   env=env,
+                                   encoding='utf-8')
         output_buffer = []
         for line in process.stdout:
             output_buffer.append(line.rstrip())