Version 2.1.1. Better README. (#2)

* Fix typo in README due to folder structure change.
* Fix README url error when uploading to PyPI.

Author: huxuan

README-en.md

@@ -33,10 +33,10 @@ WxPusher.query_user('<page>', '<page_size>', '<appToken>')
 
 Configuration is necessary since the tests depend on VALID `appToken` and `uids`.
 
-Frist, copy the configuration sample `config.sample.py` under `python/wxpusher/tests/` to `config.py`
+Frist, copy the configuration sample `config.sample.py` under `wxpusher/tests/` to `config.py`
 
 ```shell
-cd python/wxpusher/tests
+cd wxpusher/tests
 cp config.sample.py config.py
 ```
 

README.md

@@ -36,7 +36,7 @@ WxPusher.query_user('<page>', '<page_size>', '<appToken>')
 首先，将 `wxpusher/tests/` 文件夹下的配置样例 `config.sample.py` 复制并命名为 `config.py`。
 
 ```shell
-cd python/wxpusher/tests
+cd wxpusher/tests
 cp config.sample.py config.py
 ```
 

VERSION

@@ -1 +1 @@
-2.1.0
+2.1.1

setup.py

@@ -41,15 +41,21 @@
     'WxPusher Python SDK.'
 )
 
+VERSION = open('VERSION').read().strip()
+PROJECT_URL = 'https://github.com/wxpusher/wxpusher-sdk-python'
+BASE_URL = f'{PROJECT_URL}/blob/v{VERSION}'
+
 
 def readme():
     """Parse README for long_description."""
-    with open('README.md') as fin:
-        return fin.read()
+    content = open('README.md').read()
+    content = content.replace('README.md', f'{BASE_URL}/README.md', 1)
+    content = content.replace('README-en.md', f'{BASE_URL}/README-en.md', 1)
+    return content
 
 
 setup(name='wxpusher',
-      version=open('VERSION').read().strip(),
+      version=VERSION,
       description=DESCRIPTION,
       long_description=readme(),
       long_description_content_type='text/markdown',