setup ubuntu improvements

tools/openpilot_env.sh

@@ -1,3 +1,4 @@
+if [ -z "$OPENPILOT_ENV" ]; then
   export PATH="$HOME/.pyenv/bin:$PATH"
   eval "$(pyenv init -)"
   eval "$(pyenv virtualenv-init -)"
@@ -7,3 +8,5 @@ export PATH="$PATH:$HOME/openpilot/external/capnp/bin"
   export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:$HOME/openpilot/external/capnp/lib"
 
   export OPENPILOT_ENV=1
+fi
+

tools/requirements.txt

@@ -3,9 +3,9 @@ atomicwrites
 futures
 libarchive
 lru-dict
-matplotlib==2.0.2
+matplotlib
 numpy
 opencv-python
 pygame
-hexdump==3.3
+hexdump
 av==0.5.0

tools/ubuntu_setup.sh

@@ -41,20 +41,17 @@ sudo apt-get update && sudo apt-get install -y \
     screen \
     sudo \
     vim \
-    wget
+    wget \
+    gcc-arm-none-eabi
 
-# git lfs to pull models
+# install git lfs
+if ! command -v "git-lfs" > /dev/null 2>&1; then
   curl -s https://packagecloud.io/install/repositories/github/git-lfs/script.deb.sh | sudo bash
   sudo apt-get install git-lfs
-
+fi
-# in the openpilot repo
-cd $HOME/openpilot
-git lfs pull
-git submodule init
-git submodule update
 
 # install pyenv
-if [ ! -d $HOME/.pyenv ]; then
+if ! command -v "pyenv" > /dev/null 2>&1; then
   curl -L https://github.com/pyenv/pyenv-installer/raw/master/bin/pyenv-installer | bash
 fi
 
@@ -66,27 +63,27 @@ if [ -z "$OPENPILOT_ENV" ]; then
   echo "added openpilot_env to bashrc"
 fi
 
-# install python 3.7.3 globally
+# in the openpilot repo
+cd $HOME/openpilot
+
+# do the rest of the git checkout
+git lfs pull
+git submodule init
+git submodule update
+
+# install python 3.7.3 globally (you should move to python3 anyway)
 pyenv install -s 3.7.3
 pyenv global 3.7.3
 pyenv rehash
 
+# **** in python env ****
+
 # install pipenv
 pip install pipenv==2018.11.26
 
 # pipenv setup (in openpilot dir)
 pipenv install --system --deploy
 
-# install capnp (not needed anymore)
-#cd external/capnp
-#if [ ! -d lib ]; then
-#  ./build.sh
-#  git checkout bin/*   # don't update these
-#fi
-#cd ../../
-
-# at this point, manager runs
-
 # to make tools work
 pip install -r tools/requirements.txt