update readme

Author: kviktor

readme.md

@@ -14,19 +14,41 @@ To whole NSFW classification is based on [open_nsfw](https://github.com/yahoo/op
 which uses [caffe](https://github.com/BVLC/caffe). To install caffe follow the [documentation](http://caffe.berkeleyvision.org/installation.html)
 or these snippets below (they are basically the same).
 
+Create Python virtual env
+```sh
+pyenv install 3.8.2
+pyenv virtualenv 3.8.2 velvet-check
+pyenv local velvet-check
+```
+
+Clone the caffe and yahoo's open\_nsfw
 ```sh
 git clone https://github.com/yahoo/open_nsfw.git
 git clone https://github.com/BVLC/caffe.git
+```
 
+Install the required dependencies while in virtualenv already, tested on Ubuntu 16.04 and Manjaro
+
+```sh
 sudo apt-get install libprotobuf-dev libleveldb-dev libsnappy-dev libopencv-dev libhdf5-serial-dev protobuf-compiler libatlas-base-dev libgflags-dev libgoogle-glog-dev liblmdb-dev python-dev
 sudo apt-get install --no-install-recommends libboost-all-dev
 
+# openblas doesn't work, see this comment
+# https://github.com/BVLC/caffe/issues/2353#issuecomment-612492470
+sudo pacman -Syu boost gflags google-glog cblas hdf5
+```
+
+Build caffe and the python package, Makefile.config used at: https://gist.github.com/kviktor/6be1d8d569d293aa292c3badd65f8ab9
+```sh
 cd caffe
 pip install -r python/requirements.txt
 cp Makefile.config.example Makefile.config  # for the correct settings follow the previously mentioned documentation
 make all -j2
 make pycaffe
+```
 
+Test that it works (it probably won't as it doesn't support py3 out of the box, just modify tasks.py and check whats up)
+```sh
 export PYTHONPATH=/path/to/caffe/python:$PYTHONPATH
 cd ../open_nsfw
 python ./classify_nsfw.py \
@@ -38,13 +60,5 @@ INPUT_IMAGE_PATH
 Now to install Velvet Check clone this repo, enter it and run the following commands.
 ```sh
 sudo apt-get install redis-server sqlite3
-pip install -r requirements.txt
-```
-
-If you use virtualenv modify the postactivate file and add these settings (if not you can just paste them before starting the web server/celery ¯\\\_(ツ)\_/¯
-```
-export MODEL_DEF_PATH='/path/to/open_nsfw/nsfw_model/deploy.prototxt'
-export PRETRAINED_MODEL_PATH='/path/to/open_nsfw/nsfw_model/resnet_50_1by2_nsfw.caffemodel'
-export PYTHONPATH=/path/to/caffe/python:
-export FLASK_APP="web.py"
+pip install -r server/requirements.txt
 ```