Sync with external repo (#1618)

* Fix license metadata

License doesn't show in PyPI and isn't caught by license scanners. 

See left metadata panel on projects like https://pypi.org/project/apache-flink/ that doesn't show on https://pypi.org/project/intel-extension-for-pytorch/.

Example setup.py in that project is here: https://github.com/apache/flink/blob/742685b76c7f001a08799a539cad2bb683d5d29d/flink-python/setup.py#L327

The setup call in setup.py needs the below. Thanks!

        license='https://www.apache.org/licenses/LICENSE-2.0',
        classifiers=[
            'License :: OSI Approved :: Apache Software License',
        ],

* Regex should be using a raw string

* update README for 1.13.120 release

---------

Co-authored-by: Ben <[email protected]>
Co-authored-by: STerliakov <[email protected]>

Author: 3 people

README.md

@@ -32,8 +32,7 @@ More installation methods can be found at [CPU Installation Guide](https://intel
 You can install Intel® Extension for PyTorch\* for GPU via command below.
 
 ```python
-python -m pip install torch==1.13.0a0 -f https://developer.intel.com/ipex-whl-stable-xpu
-python -m pip install intel_extension_for_pytorch==1.13.10+xpu -f https://developer.intel.com/ipex-whl-stable-xpu
+python -m pip install torch==1.13.0a0+git6c9b55e intel_extension_for_pytorch==1.13.120+xpu -f https://developer.intel.com/ipex-whl-stable-xpu
 ```
 
 **Note:** The patched PyTorch 1.13.0a0 is required to work with Intel® Extension for PyTorch\* on Intel® graphics card for now.
@@ -88,7 +87,7 @@ Use cases that had already been optimized by Intel engineers are available at [M
 
 ## License
 
-_Apache License_, Version _2.0_. As found in [LICENSE](https://github.com/intel/intel-extension-for-pytorch/blob/master/LICENSE.txt) file.
+_Apache License_, Version _2.0_. As found in [LICENSE](https://github.com/intel/intel-extension-for-pytorch/blob/master/LICENSE) file.
 
 ## Security
 

intel_extension_for_pytorch/__init__.py

@@ -1,3 +1,5 @@
+import re
+
 import torch
 try:
     import torchvision
@@ -11,11 +13,10 @@
 
 torch_version = ''
 ipex_version = ''
-import re
-matches = re.match('(\d+\.\d+).*', torch.__version__)
+matches = re.match(r'(\d+\.\d+).*', torch.__version__)
 if matches and len(matches.groups()) == 1:
   torch_version = matches.group(1)
-matches = re.match('(\d+\.\d+).*', __version__)
+matches = re.match(r'(\d+\.\d+).*', __version__)
 if matches and len(matches.groups()) == 1:
   ipex_version = matches.group(1)
 if torch_version == '' or ipex_version == '' or torch_version != ipex_version:

setup.py

@@ -882,4 +882,8 @@ def run(self):
     ext_modules=ext_modules,
     cmdclass=cmdclass,
     entry_points=entry_points,
+    license='https://www.apache.org/licenses/LICENSE-2.0',
+    classifiers=[
+        'License :: OSI Approved :: Apache Software License',
+    ],
     )