diff --git a/conf/multimedia.src b/conf/multimedia.src
deleted file mode 100644
index 54c3617..0000000
--- a/conf/multimedia.src
+++ /dev/null
@@ -1,6 +0,0 @@
-SOURCE_URL=https://github.com/YunoHost-Apps/yunohost.multimedia/archive/v1.2.tar.gz
-SOURCE_SUM=7dfc07e32d7842f87274ef780cb9757a7679573cbbeb095c5f86ef76806f5d95
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
diff --git a/conf/pythonz.src b/conf/pythonz.src
deleted file mode 100644
index fd43a3e..0000000
--- a/conf/pythonz.src
+++ /dev/null
@@ -1,6 +0,0 @@
-SOURCE_URL=https://github.com/saghul/pythonz/archive/9067f35e0253b015eb51b8a4d60c0bd1a06dcc83.tar.gz
-SOURCE_SUM=ce9eb5400fff81e4877e04dd7166c764d8adc999d9ca6b06ce933ee9375b8652
-SOURCE_SUM_PRG=sha256sum
-SOURCE_FORMAT=tar.gz
-SOURCE_IN_SUBDIR=true
-SOURCE_FILENAME=
diff --git a/conf/systemd.service b/conf/systemd.service
index 80314b3..437a957 100644
--- a/conf/systemd.service
+++ b/conf/systemd.service
@@ -3,10 +3,12 @@ Description=CouchPotato application instance
 After=network.target
 
 [Service]
-ExecStart=__FINALPATH__/ve2/bin/python __FINALPATH__/CouchPotato.py --quiet --pid_file=/var/run/__APP__/__APP__.pid --data_dir=__APP_DATA_DIR__ --config_file=__FINALPATH__/settings.conf
 Type=simple
 User=__APP__
 Group=__APP__
+WorkingDirectory=__FINALPATH__/
+ExecStart=/opt/pyenv/versions/__APP__/bin/python __FINALPATH__/CouchPotato.py --quiet --pid_file=/var/run/__APP__/__APP__.pid --data_dir=__APP_DATA_DIR__ --config_file=__FINALPATH__/settings.conf
+
 
 [Install]
 WantedBy=multi-user.target
diff --git a/scripts/_common.sh b/scripts/_common.sh
index 8f9ca4b..49106f9 100644
--- a/scripts/_common.sh
+++ b/scripts/_common.sh
@@ -5,9 +5,10 @@
 #=================================================
 
 # dependencies used by the app
-pkg_dependencies="python-pip python-virtualenv python-dev uwsgi uwsgi-plugin-python build-essential zlib1g-dev libbz2-dev libssl-dev libreadline-dev libncurses5-dev libsqlite3-dev libgdbm-dev libdb-dev libexpat-dev libpcap-dev liblzma-dev libpcre3-dev libffi-dev"
+pkg_dependencies=""
+#python-pip python-virtualenv python-dev uwsgi uwsgi-plugin-python
 
-python_version=2.7.2
+PHYTON_VERSION=2.7.18
 
 #=================================================
 # PERSONAL HELPERS
diff --git a/scripts/install b/scripts/install
index f416ae6..6cbdde0 100644
--- a/scripts/install
+++ b/scripts/install
@@ -7,6 +7,8 @@
 #=================================================
 
 source _common.sh
+source ynh_install_python
+source ynh_multimedia_3
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -14,6 +16,7 @@ source /usr/share/yunohost/helpers
 #=================================================
 
 ynh_clean_setup () {
+	read -p "key"
 	true
 }
 # Exit if an error occurs during the execution of the script
@@ -36,9 +39,6 @@ ynh_script_progression --message="Validating installation parameters..."
 final_path=/opt/yunohost/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
 
-multimedia_final_path=/opt/yunohost/${app}_multimedia
-test ! -e "$multimedia_final_path" || ynh_die --message="This path already contains a folder"
-
 app_data_dir=/home/yunohost.app/$app
 test ! -e "$app_data_dir" || ynh_die --message="This path already contains a folder"
 
@@ -52,7 +52,6 @@ ynh_script_progression --message="Storing installation settings..."
 
 ynh_app_setting_set --app=$app --key=domain --value=$domain
 ynh_app_setting_set --app=$app --key=path --value=$path_url
-ynh_app_setting_set --app=$app --key=multimedia_final_path --value=$multimedia_final_path
 ynh_app_setting_set --app=$app --key=app_data_dir --value=$app_data_dir
 
 #=================================================
@@ -115,22 +114,6 @@ ynh_script_progression --message="Make data directory..."
 # Make directories
 mkdir -p $app_data_dir
 
-#=================================================
-# INSTALL PYTHONZ TO GET PYTHON
-#=================================================
-ynh_print_info --message="Installing Python..."
-
-# Get pythonz
-# curl -kL https://raw.githubusercontent.com/saghul/pythonz/master/pythonz-install
-# ./pythonz-install
-ynh_setup_source --dest_dir="$final_path/.pythonz" --source_id=pythonz
-export PYTHONZ_ROOT="$final_path/.pythonz"
-# Then install it
-python $final_path/.pythonz/pythonz_install.py
-
-# Install Python
-$final_path/.pythonz/bin/pythonz install $python_version
-
 #=================================================
 # BUILD COUCHPOTATO
 #=================================================
@@ -139,10 +122,12 @@ ynh_script_progression --message="Building CouchPotato..."
 # Set permissions to app files
 chown -R "$app": "$final_path"
 
-pushd $final_path/
-	virtualenv -p $($final_path/.pythonz/bin/pythonz locate $python_version) ve2
-	ve2/bin/pip install --upgrade pyopenssl
-	ve2/bin/pip install cheetah
+ynh_install_python --python_version=$PHYTON_VERSION
+
+pushd $final_path
+	pyenv virtualenv $PHYTON_VERSION $app
+	/opt/pyenv/versions/$app/bin/pip install --upgrade pyopenssl
+	/opt/pyenv/versions/$app/bin/pip install cheetah
 popd
 
 #=================================================
@@ -150,17 +135,16 @@ popd
 #=================================================
 ynh_script_progression --message="Install YunoHost multimedia..."
 
-ynh_setup_source --dest_dir="$multimedia_final_path" -source_id=multimedia
-$multimedia_final_path/script/ynh_media_build.sh
+ynh_multimedia_build_main_dir
 
 # Give write access to the yunohost.multimedia directory so that Couchpotato can move Movies to the Movie directory
-usermod -a -G multimedia $app
+ynh_multimedia_addaccess $app
 
 # Creates the "Movies" subfolder in "Video"
 mkdir -p "/home/yunohost.multimedia/share/Video/Movies"
 
 # Fix permissions
-$multimedia_final_path/script/ynh_media_build.sh
+/home/yunohost.multimedia/ynh_media_build.sh
 
 #=================================================
 # CONFIGURE TRANSMISSION
@@ -219,8 +203,8 @@ ynh_replace_string --match_string="__RPCURL__" --replace_string="$transmission_r
 ynh_replace_string --match_string="__RPCPASSWORD__" --replace_string="$transmission_rpcpassword" --target_file="../conf/couchpotato.conf"
 ynh_replace_string --match_string="__WATCHDIR__" --replace_string="$transmission_watchdir" --target_file="../conf/couchpotato.conf"
 
-ynh_replace_string --match_string="__PATH__" --replace_string="$path" --target_file="../conf/couchpotato.conf"
-ynh_replace_string --match_string="__PORT__" --replace_string="$port@" --target_file="../conf/couchpotato.conf"
+ynh_replace_string --match_string="__PATH__" --replace_string="$path_url" --target_file="../conf/couchpotato.conf"
+ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="../conf/couchpotato.conf"
 ynh_replace_string --match_string="__DATADIR__" --replace_string="$app_data_dir" --target_file="../conf/couchpotato.conf"
 
 cp -a ../conf/couchpotato.conf $app_config_file
diff --git a/scripts/remove b/scripts/remove
index 339d109..aea6ed0 100644
--- a/scripts/remove
+++ b/scripts/remove
@@ -7,6 +7,7 @@
 #=================================================
 
 source _common.sh
+source ynh_install_python
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -48,6 +49,7 @@ ynh_remove_systemd_config
 ynh_script_progression --message="Removing dependencies..."
 
 # Remove metapackage and its dependencies
+ynh_remove_python
 ynh_remove_app_dependencies
 
 #=================================================
diff --git a/scripts/restore b/scripts/restore
index 4261175..83a6c4c 100644
--- a/scripts/restore
+++ b/scripts/restore
@@ -8,6 +8,8 @@
 
 #Keep this path for calling _common.sh inside the execution's context of backup and restore scripts
 source ../settings/scripts/_common.sh
+source ../settings/scripts/ynh_install_pyhon
+source ../settings/scripts/ynh_multimedia_3
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -31,7 +33,6 @@ domain=$(ynh_app_setting_get --app=$app --key=domain)
 path_url=$(ynh_app_setting_get --app=$app --key=path)
 final_path=$(ynh_app_setting_get --app=$app --key=final_path)
 app_data_dir=$(ynh_app_setting_get --app=$app --key=app_data_dir)
-multimedia_final_path=$(ynh_app_setting_get --app=$app --key=multimedia_final_path)
 
 #=================================================
 # CHECK IF THE APP CAN BE RESTORED
@@ -88,6 +89,22 @@ ynh_script_progression --message="Reinstalling dependencies..."
 # Define and install dependencies
 ynh_install_app_dependencies $pkg_dependencies
 
+#=================================================
+# BUILD COUCHPOTATO
+#=================================================
+ynh_script_progression --message="Building CouchPotato..."
+
+# Set permissions to app files
+chown -R "$app": "$final_path"
+
+ynh_install_python --python_version=$PHYTON_VERSION
+
+pushd $final_path
+	pyenv virtualenv $PHYTON_VERSION $app
+	/opt/pyenv/versions/$app/bin/pip install --upgrade pyopenssl
+	/opt/pyenv/versions/$app/bin/pip install cheetah
+popd
+
 #=================================================
 # RESTORE THE DATA DIRECTORY
 #=================================================
@@ -100,17 +117,16 @@ ynh_restore_file --origin_path="$app_data_dir"
 #=================================================
 ynh_script_progression --message="Install YunoHost multimedia..."
 
-ynh_setup_source --dest_dir="$multimedia_final_path" -source_id=multimedia
-$multimedia_final_path/script/ynh_media_build.sh
+ynh_multimedia_build_main_dir
 
 # Give write access to the yunohost.multimedia directory so that Couchpotato can move Movies to the Movie directory
-usermod -a -G multimedia $app
+ynh_multimedia_addaccess $app
 
 # Creates the "Movies" subfolder in "Video"
 mkdir -p "/home/yunohost.multimedia/share/Video/Movies"
 
 # Fix permissions
-$multimedia_final_path/script/ynh_media_build.sh
+/home/yunohost.multimedia/ynh_media_build.sh
 
 #=================================================
 # CONFIGURE LOGS
diff --git a/scripts/upgrade b/scripts/upgrade
index ca8f17c..2954292 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -7,6 +7,8 @@
 #=================================================
 
 source _common.sh
+source ynh_install_python
+source ynh_multimedia_3
 source /usr/share/yunohost/helpers
 
 #=================================================
@@ -139,24 +141,12 @@ ynh_script_progression --message="Building CouchPotato..."
 # Set permissions to app files
 chown -R "$app": "$final_path"
 
-pushd $final_path/
-	virtualenv -p $($final_path/.pythonz/bin/pythonz locate $python_version) ve2
-	ve2/bin/pip install --upgrade pyopenssl
-	ve2/bin/pip install cheetah
-popd
+ynh_install_python --python_version=$PHYTON_VERSION
 
-#=================================================
-# BUILD COUCHPOTATO
-#=================================================
-ynh_script_progression --message="Building CouchPotato..."
-
-# Set permissions to app files
-chown -R "$app": "$final_path"
-
-pushd $final_path/
-	virtualenv -p $($final_path/.pythonz/bin/pythonz locate $python_version) ve2
-	ve2/bin/pip install --upgrade pyopenssl
-	ve2/bin/pip install cheetah
+pushd $final_path
+	pyenv virtualenv $PHYTON_VERSION $app
+	/opt/pyenv/versions/$app/bin/pip install --upgrade pyopenssl
+	/opt/pyenv/versions/$app/bin/pip install cheetah
 popd
 
 #=================================================
@@ -164,17 +154,16 @@ popd
 #=================================================
 ynh_script_progression --message="Install YunoHost multimedia..."
 
-ynh_setup_source --dest_dir="$multimedia_final_path" -source_id=multimedia
-$multimedia_final_path/script/ynh_media_build.sh
+ynh_multimedia_build_main_dir
 
 # Give write access to the yunohost.multimedia directory so that Couchpotato can move Movies to the Movie directory
-usermod -a -G multimedia $app
+ynh_multimedia_addaccess $app
 
 # Creates the "Movies" subfolder in "Video"
 mkdir -p "/home/yunohost.multimedia/share/Video/Movies"
 
 # Fix permissions
-$multimedia_final_path/script/ynh_media_build.sh
+/home/yunohost.multimedia/ynh_media_build.sh
 
 #=================================================
 # CONFIGURE LOGS
diff --git a/scripts/ynh_install_python b/scripts/ynh_install_python
new file mode 100644
index 0000000..7d763b2
--- /dev/null
+++ b/scripts/ynh_install_python
@@ -0,0 +1,151 @@
+#!/bin/bash
+
+# Need also the helper https://github.com/YunoHost-Apps/Experimental_helpers/blob/master/ynh_handle_getopts_args/ynh_handle_getopts_args
+
+pyenv_install_dir="/opt/pyenv"
+# PYENV_ROOT is the directory of pyenv, it needs to be loaded as a environment variable.
+export PYENV_ROOT="$pyenv_install_dir"
+# Required dependencies
+pyenv_dependencies="build-essential libssl1.0-dev zlib1g-dev libbz2-dev libreadline-dev libsqlite3-dev wget curl llvm libncurses5-dev libncursesw5-dev xz-utils tk-dev libffi-dev liblzma-dev python-openssl git"
+
+# Install python version management
+#
+# [internal]
+#
+# usage: ynh_install_pyenv
+ynh_install_pyenv () {
+  echo "Installation of pyenv - python version management" >&2
+  # Build an app.src for pyenv
+  mkdir -p "../conf"
+  echo "SOURCE_URL=https://github.com/pyenv/pyenv/archive/v1.2.19.tar.gz
+SOURCE_SUM=e93466735ac9c34d68b7d5d71f32c16a2b4b1a6a1adffb85acc4126a3398b9d0" > "../conf/pyenv.src"
+  # Download and extract pyenv
+  ynh_setup_source "$pyenv_install_dir" pyenv
+
+  # Build an app.src for pyenv-virtualenv
+  mkdir -p "../conf"
+  echo "SOURCE_URL=https://github.com/pyenv/pyenv-virtualenv/archive/v1.1.5.tar.gz
+SOURCE_SUM=27ae3de027a6f6dccdca4085225512e559c6b94b31625bd2b357a18890a1e618" > "../conf/pyenv-virtualenv.src"
+  # Download and extract pyenv-virtualenv
+  ynh_setup_source "$pyenv_install_dir/plugins/pyenv-virtualenv" pyenv-virtualenv
+
+  (cd $pyenv_install_dir
+  ./src/configure && make -C src)
+
+# Create shims directory if needed
+if [ ! -d $pyenv_install_dir/shims ] ; then
+  mkdir $pyenv_install_dir/shims
+fi
+}
+
+# Install a specific version of python
+#
+# ynh_install_python will install the version of python provided as argument by using pyenv.
+#
+# pyenv (python version management) stores the target python version in a .python_version file created in the target folder (using pyenv local <version>)
+# It then uses that information for every python user that uses pyenv provided python command
+#
+# This helper creates a /etc/profile.d/pyenv.sh that configures PATH environment for pyenv
+# for every LOGIN user, hence your user must have a defined shell (as opposed to /usr/sbin/nologin)
+#
+# Don't forget to execute python-dependent command in a login environment
+# (e.g. sudo --login option)
+# When not possible (e.g. in systemd service definition), please use direct path
+# to pyenv shims (e.g. $PYENV_ROOT/shims/bundle)
+#
+# usage: ynh_install_python python_version user
+# | arg: -v, --python_version= - Version of python to install.
+#        If possible, prefer to use major version number (e.g. 8 instead of 8.10.0).
+#        The crontab will handle the update of minor versions when needed.
+ynh_install_python () {
+  # Declare an array to define the options of this helper.
+  declare -Ar args_array=( [v]=python_version= )
+  # Use pyenv, https://github.com/pyenv/pyenv to manage the python versions
+  local python_version
+  # Manage arguments with getopts
+  ynh_handle_getopts_args "$@"
+
+  # Create $pyenv_install_dir
+  mkdir -p "$pyenv_install_dir/plugins/pyenv-virtualenv"
+
+  # Load pyenv path in PATH
+  CLEAR_PATH="$pyenv_install_dir/bin:$PATH"
+
+  # Remove /usr/local/bin in PATH in case of python prior installation
+  PATH=$(echo $CLEAR_PATH | sed 's@/usr/local/bin:@@')
+
+  # Move an existing python binary, to avoid to block pyenv
+  #test -x /usr/bin/python && mv /usr/bin/python /usr/bin/python_pyenv
+
+  # If pyenv is not previously setup, install it
+  if ! type pyenv > /dev/null 2>&1
+  then
+    ynh_install_pyenv
+  elif dpkg --compare-versions "$($pyenv_install_dir/bin/pyenv --version | cut -d" " -f2)" lt "1.2.19"
+  then
+    ynh_install_pyenv
+  elif dpkg --compare-versions "$($pyenv_install_dir/plugins/pyenv-virtualenv/bin/pyenv-virtualenv --version | cut -d" " -f2)" lt "1.1.5"
+  then
+    ynh_install_pyenv
+  fi
+
+  # Restore /usr/local/bin in PATH (if needed)
+  PATH=$CLEAR_PATH
+
+  # And replace the old python binary
+  # test -x /usr/bin/python_pyenv && mv /usr/bin/python_pyenv /usr/bin/python
+
+  # Install required dependencies
+  ynh_add_app_dependencies --package="$pyenv_dependencies"
+
+  # Install the requested version of python
+  pyenv install --skip-existing $python_version
+
+  # Store the ID of this app and the version of python requested for it
+  echo "$YNH_APP_ID:$python_version" | tee --append "$pyenv_install_dir/ynh_app_version"
+
+  # Store python_version into the config of this app
+  ynh_app_setting_set --app=$app --key=python_version --value=$python_version
+
+  # Set environment for python users
+  echo  "#pyenv
+export PYENV_ROOT=$pyenv_install_dir
+export PATH=\"$pyenv_install_dir/bin:$PATH\"
+eval \"\$(pyenv init -)\"
+#pyenv" > /etc/profile.d/pyenv.sh
+
+  # Load the right environment for the Installation
+  eval "$(pyenv init -)"
+
+  (cd $final_path
+  pyenv local $python_version)
+}
+
+# Remove the version of python used by the app.
+#
+# This helper will check if another app uses the same version of python,
+# if not, this version of python will be removed.
+# If no other app uses python, pyenv will be also removed.
+#
+# usage: ynh_remove_python
+ynh_remove_python () {
+  python_version=$(ynh_app_setting_get --app=$app --key=python_version)
+
+  # Remove the line for this app
+  sed --in-place "/$YNH_APP_ID:$python_version/d" "$pyenv_install_dir/ynh_app_version"
+
+  # If no other app uses this version of python, remove it.
+  if ! grep --quiet "$python_version" "$pyenv_install_dir/ynh_app_version"
+  then
+    $pyenv_install_dir/bin/pyenv uninstall --force $python_version
+  fi
+
+  # Remove pyenv environment configuration
+  rm /etc/profile.d/pyenv.sh
+
+  # If no other app uses pyenv, remove pyenv and dedicated group
+  if [ ! -s "$pyenv_install_dir/ynh_app_version" ]
+  then
+    ynh_secure_remove --file="$pyenv_install_dir"
+  fi
+}
diff --git a/scripts/ynh_multimedia_3 b/scripts/ynh_multimedia_3
new file mode 100644
index 0000000..edf680c
--- /dev/null
+++ b/scripts/ynh_multimedia_3
@@ -0,0 +1,78 @@
+#!/bin/bash
+
+# Install or update the main directory yunohost.multimedia
+#
+# usage: ynh_multimedia_build_main_dir
+ynh_multimedia_build_main_dir () {
+        local ynh_media_release="v1.2"
+        local checksum="806a827ba1902d6911095602a9221181"
+
+        # Download yunohost.multimedia scripts
+        wget -nv https://github.com/YunoHost-Apps/yunohost.multimedia/archive/${ynh_media_release}.tar.gz 
+
+        # Check the control sum
+        echo "${checksum} ${ynh_media_release}.tar.gz" | md5sum -c --status \
+                || ynh_die "Corrupt source"
+
+        # Check if the package acl is installed. Or install it.
+        ynh_package_is_installed 'acl' \
+                || ynh_package_install acl
+
+        # Extract
+        mkdir yunohost.multimedia-master
+        tar -xf ${ynh_media_release}.tar.gz -C yunohost.multimedia-master --strip-components 1
+        ./yunohost.multimedia-master/script/ynh_media_build.sh
+}
+
+# Add a directory in yunohost.multimedia
+# This "directory" will be a symbolic link to a existing directory.
+#
+# usage: ynh_multimedia_addfolder "Source directory" "Destination directory"
+#
+# | arg: -s, --source_dir= - Source directory - The real directory which contains your medias.
+# | arg: -d, --dest_dir= - Destination directory - The name and the place of the symbolic link, relative to "/home/yunohost.multimedia"
+ynh_multimedia_addfolder () {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [s]=source_dir= [d]=dest_dir= )
+	local source_dir
+	local dest_dir
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	./yunohost.multimedia-master/script/ynh_media_addfolder.sh --source="$source_dir" --dest="$dest_dir"
+}
+
+# Move a directory in yunohost.multimedia, and replace by a symbolic link
+#
+# usage: ynh_multimedia_movefolder "Source directory" "Destination directory"
+#
+# | arg: -s, --source_dir= - Source directory - The real directory which contains your medias.
+# It will be moved to "Destination directory"
+# A symbolic link will replace it.
+# | arg: -d, --dest_dir= - Destination directory - The new name and place of the directory, relative to "/home/yunohost.multimedia"
+ynh_multimedia_movefolder () {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [s]=source_dir= [d]=dest_dir= )
+	local source_dir
+	local dest_dir
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	./yunohost.multimedia-master/script/ynh_media_addfolder.sh --inv --source="$source_dir" --dest="$dest_dir"
+}
+
+# Allow an user to have an write authorisation in multimedia directories
+#
+# usage: ynh_multimedia_addaccess user_name
+#
+# | arg: -u, --user_name= - The name of the user which gain this access.
+ynh_multimedia_addaccess () {
+	# Declare an array to define the options of this helper.
+	declare -Ar args_array=( [u]=user_name=)
+	local user_name
+	# Manage arguments with getopts
+	ynh_handle_getopts_args "$@"
+
+	groupadd -f multimedia
+	usermod -a -G multimedia $user_name
+}