[Feature] Support mim (#376)

* Support mim extention

* Fix lint.

* Remove extra `demo` setting in mim related files.

.gitignore

@@ -112,6 +112,7 @@ data
 *.pkl.json
 *.log.json
 work_dirs/
+mmcls/.mim
 
 # Pytorch
 *.pth

MANIFEST.in

@@ -1,3 +1,3 @@
-include mmcls/model-index.yml
+include mmcls/.mim/model-index.yml
-recursive-include mmcls/configs *.py *.yml
+recursive-include mmcls/.mim/configs *.py *.yml
-recursive-include mmcls/tools *.sh *.py
+recursive-include mmcls/.mim/tools *.py *.sh

README.md

@@ -85,6 +85,7 @@ We wish that the toolbox and benchmark could serve the growing research communit
 ## Projects in OpenMMLab
 
 - [MMCV](https://github.com/open-mmlab/mmcv): OpenMMLab foundational library for computer vision.
+- [MIM](https://github.com/open-mmlab/mim): MIM Installs OpenMMLab Packages.
 - [MMClassification](https://github.com/open-mmlab/mmclassification): OpenMMLab image classification toolbox and benchmark.
 - [MMDetection](https://github.com/open-mmlab/mmdetection): OpenMMLab detection toolbox and benchmark.
 - [MMDetection3D](https://github.com/open-mmlab/mmdetection3d): OpenMMLab's next-generation platform for general 3D object detection.

README_zh-CN.md

@@ -72,6 +72,7 @@ MMClassification 是一款由不同学校和公司共同贡献的开源项目。
 ## OpenMMLab 的其他项目
 
 - [MMCV](https://github.com/open-mmlab/mmcv): OpenMMLab 计算机视觉基础库
+- [MIM](https://github.com/open-mmlab/mim): MIM 是 OpenMMlab 项目、算法、模型的统一入口
 - [MMDetection](https://github.com/open-mmlab/mmdetection): OpenMMLab 检测工具箱与测试基准
 - [MMDetection3D](https://github.com/open-mmlab/mmdetection3d): OpenMMLab 新一代通用 3D 目标检测平台
 - [MMSegmentation](https://github.com/open-mmlab/mmsegmentation): OpenMMLab 语义分割工具箱与测试基准

setup.py

@@ -1,3 +1,8 @@
+import os
+import os.path as osp
+import shutil
+import sys
+import warnings
 from setuptools import find_packages, setup
 
 
@@ -90,6 +95,56 @@ def parse_requirements(fname='requirements.txt', with_version=True):
     return packages
 
 
+def add_mim_extention():
+    """Add extra files that are required to support MIM into the package.
+
+    These files will be added by creating a symlink to the originals if the
+    package is installed in `editable` mode (e.g. pip install -e .), or by
+    copying from the originals otherwise.
+    """
+
+    # parse installment mode
+    if 'develop' in sys.argv:
+        # installed by `pip install -e .`
+        mode = 'symlink'
+    elif 'sdist' in sys.argv or 'bdist_wheel' in sys.argv:
+        # installed by `pip install .`
+        # or create source distribution by `python setup.py sdist`
+        mode = 'copy'
+    else:
+        return
+
+    filenames = ['tools', 'configs', 'model-index.yml']
+    repo_path = osp.dirname(__file__)
+    mim_path = osp.join(repo_path, 'mmcls', '.mim')
+    os.makedirs(mim_path, exist_ok=True)
+
+    for filename in filenames:
+        if osp.exists(filename):
+            src_path = osp.join(repo_path, filename)
+            tar_path = osp.join(mim_path, filename)
+
+            if osp.isfile(tar_path) or osp.islink(tar_path):
+                os.remove(tar_path)
+            elif osp.isdir(tar_path):
+                shutil.rmtree(tar_path)
+
+            if mode == 'symlink':
+                src_relpath = osp.relpath(src_path, osp.dirname(tar_path))
+                os.symlink(src_relpath, tar_path)
+            elif mode == 'copy':
+                if osp.isfile(src_path):
+                    shutil.copyfile(src_path, tar_path)
+                elif osp.isdir(src_path):
+                    shutil.copytree(src_path, tar_path)
+                else:
+                    warnings.warn(f'Cannot copy file {src_path}.')
+            else:
+                raise ValueError(f'Invalid mode {mode}')
+
+
+if __name__ == '__main__':
+    add_mim_extention()
     setup(
         name='mmcls',
         version=get_version(),