[FIX] Packaging: RedHat: dependencies management

PyChart is now in the EPEL repo so we now list it as required in
setup.cfg. The other mandatory lib not provided by EPEL are
pyPdf, vatnumber and pydot and are now installed by easy_install
during the post install.

setup.cfg

@@ -5,6 +5,7 @@ post-install = setup/redhat/postinstall.sh
 requires =
   babel
   libxslt-python
+  pychart
   pyparsing
   python-dateutil
   python-decorator
@@ -30,14 +31,7 @@ requires =
   pytz
 
 # -------------------------------------------------------------------
-# CentOS 7 notes
+# RedHat 7 notes
 # -------------------------------------------------------------------
-#
-# These libraries can be installed as system packages thanks to the
-# Fedora EPEL repo (https://fedoraproject.org/wiki/EPEL):
-# rpm -ivh http://dl.fedoraproject.org/pub/epel/7/x86_64/e/epel-release-7-2.noarch.rpm
-# yum update -y && yum upgrade -y
-#
-# Unfortunately, all the needed packages are not yet ported to EPEL7. You can install them with pip:
-# yum install python-pip gcc python-devel -y
-# pip install pydot pyPdf vatnumber xlwt http://download.gna.org/pychart/PyChart-1.39.tar.gz
+# Most of the Odoo dependencies are available on the EPEL repository.
+# yum install epel-release

setup/package.py

@@ -327,8 +327,6 @@ def test_rpm(o):
         # Dependencies
         centos7.system('yum install -d 0 -e 0 epel-release -y')
         centos7.system('yum update -d 0 -e 0 -y')
-        centos7.system('yum install -d 0 -e 0 python-pip gcc python-devel -y')
-        centos7.system('pip install pydot pyPdf vatnumber xlwt http://download.gna.org/pychart/PyChart-1.39.tar.gz')
         # Manual install/start of postgres
         centos7.system('yum install -d 0 -e 0 postgresql postgresql-server postgresql-libs postgresql-contrib postgresql-devel -y')
         centos7.system('mkdir -p /var/lib/postgres/data')

setup/redhat/postinstall.sh

@@ -54,3 +54,4 @@ ExecStart=/usr/bin/odoo.py --config=/etc/odoo/openerp-server.conf
 [Install]
 WantedBy=multi-user.target
 EOF
+easy_install pyPdf vatnumber pydot