Update version number (#168)

* update version-number
* update build and install doc
* add visit address

README.md

@@ -125,19 +125,27 @@ Board also supports the parameters below for remote access:
 - `--port` set port
 - `--model_pb` specify ONNX format for model file
 
+### How to install from pypi
+```
+pip install --upgrade visualdl
+```
 
-### How to install
+### How to build and install locally
 ```
+git clone https://github.com/PaddlePaddle/VisualDL.git
+cd VisualDL
+
 python setup.py bdist_wheel
 pip install --upgrade dist/visualdl-*.whl
 ```
 
 ### Run a demo from scratch
 ```
 vdl_scratch.py
-visualDL --logdir=scratch_log
+visualDL --logdir=scratch_log --port=8080
 ```
-that will start a server locally.
+that will start a server locally on port 8080, then
+you can visit http://127.0.0.1:8080 the see the visualdl board.
 
 
 ### Contribute

VERSION_NUMBER

@@ -1 +1 @@
-0.0.1
+0.0.1-alpha

tests.sh

@@ -6,7 +6,8 @@ readonly TOP_DIR=$(pwd)
 readonly core_path=$TOP_DIR/build/visualdl/logic
 readonly python_path=$TOP_DIR/visualdl/python
 readonly max_file_size=1000000 # 1MB
-readonly version_number=`cat VERSION_NUMBER`
+# version number follow the rule of https://semver.org/
+readonly version_number=`cat VERSION_NUMBER | sed 's/\([0-9]*.[0-9]*.[0-9]*\).*/\1/g'`
 
 sudo="sudo"
 
@@ -42,7 +43,7 @@ package() {
 
     cd $TOP_DIR
     python setup.py bdist_wheel
-    $sudo pip install dist/visualdl-${version_number}-*.whl
+    $sudo pip install dist/visualdl-${version_number}*.whl
 }
 
 backend_test() {