Fix upgrade

scripts/install

@@ -94,7 +94,7 @@ ynh_setup_source "$final_path"
 #=================================================
 
 virtualenv --system-site-packages "$final_path"
-bash -c "source $final_path/bin/activate && pip install -U pip setuptools && pip install --requirement $final_path/requirements-ynh.txt"
+bash -c "source $final_path/bin/activate && pip install -U setuptools && pip install --requirement $final_path/requirements-ynh.txt"
 
 #=================================================
 # CONFIGURE SEARX

scripts/upgrade

@@ -96,9 +96,10 @@ ynh_system_user_create $app
 # UPGRADE SEARX IN ITS VIRTUALENV
 #=================================================
 
-rm -r $final_path/lib/python2.7/site-packages/{pip,setuptools} $final_path/lib/python2.7/site-packages/setuptools-* $final_path/lib/python2.7/site-packages/pip-*
+rm -r $final_path/lib/python2.7/site-packages/setuptools $final_path/lib/python2.7/site-packages/setuptools-*
+rm -rf $final_path/lib/python2.7/site-packages/pip $final_path/lib/python2.7/site-packages/pip-*
 virtualenv --system-site-packages "$final_path"
-bash -c "source $final_path/bin/activate && pip install -U pip setuptools && pip install --requirement $final_path/requirements-ynh.txt --upgrade"
+bash -c "source $final_path/bin/activate && pip install -U setuptools && pip install --requirement $final_path/requirements-ynh.txt --upgrade"
 
 #=================================================
 # CONFIGURE SEARX

sources/extra_files/app/requirements-ynh.txt

@@ -1,14 +1,18 @@
-certifi==2016.9.26
-flask==0.12
-flask-babel==0.11.1
-# lxml==3.7.1
-markupsafe==0.23
-ndg-httpsclient==0.4.2
-pyasn1==0.1.9
-pyasn1-modules==0.0.8
+# Have a look to https://github.com/asciimoo/searx/blob/master/requirements.txt for each upgrade of Searx
+certifi==2017.11.5
+flask==0.12.2
+flask-babel==0.11.2
+# lxml==4.1.1
+idna==2.5
 pygments==2.1.3
-pyopenssl==16.2.0
-python-dateutil==2.5.3
-pyyaml==3.11
-requests[socks]==2.12.4
-cffi>=1.6
+pyopenssl==17.4.0
+python-dateutil==2.6.1
+pyyaml==3.12
+requests[socks]==2.18.4
+
+# Additionnals requirements
+markupsafe>=0.23
+ndg-httpsclient>=0.4.2
+pyasn1>=0.1.9
+pyasn1-modules>=0.0.8
+cffi>=1.6