completion: removing argcomplete support

this feature doesn't seem to be working anyway. This can be revisited in the
future but this allows us to drop the python3-argcomplete dependency for now

Signed-off-by: Julien Fortin <julien@cumulusnetworks.com>

README.rst

@@ -50,7 +50,7 @@ You might need to manually download dependencies. Mandatory dependencies:
 
 .. code-block:: console
 
-    $ apt-get install build-essential devscripts dh-systemd fakeroot python-all python-docutils iproute2 python-ipaddr python-argcomplete python-setuptools
+    $ apt-get install build-essential devscripts dh-systemd fakeroot python-all python-docutils iproute2 python-ipaddr python-setuptools
 
 Suggested dependencies:
 

debian/control

@@ -17,7 +17,7 @@ Architecture: all
 Provides: ifupdown
 Conflicts: ifupdown
 Replaces: ifupdown
-Depends: ${python3:Depends}, ${misc:Depends}, iproute2, python3-argcomplete
+Depends: ${python3:Depends}, ${misc:Depends}, iproute2
 Suggests: isc-dhcp-client, bridge-utils, ethtool, python3-gvgen, python3-mako
 Description: Network Interface Management tool similar to ifupdown
  ifupdown2 is ifupdown re-written in Python. It replaces ifupdown and provides

debian/ifupdown2.bash-completion

@@ -1 +0,0 @@
-ifupdown2/completion/ifup

docs/source/gettingstarted.rst

@@ -6,7 +6,7 @@ Prerequisites
 * python-ifupdown2 is currently only tested on debian wheezy
 * python-ifupdown2 needs python version 2.6 or greater
 * Depends on: python-stdeb (for deb builds), python-docutils
-  (for rst2man), python-argcomplete, 'python-ipaddr'
+  (for rst2man), 'python-ipaddr'
 * Depends on python-gvgen package for printing interface graphs (this will be made optional in the future)
 * Optional dependency for template engine: python-mako
 

ifupdown2/completion/ifup

@@ -1,9 +0,0 @@
-
-_python_argcomplete() {
-    local IFS=''
-    COMPREPLY=( $(IFS="$IFS" COMP_LINE="$COMP_LINE" COMP_POINT="$COMP_POINT"                   _ARGCOMPLETE_COMP_WORDBREAKS="$COMP_WORDBREAKS"                   _ARGCOMPLETE=1  "$1" 8>&1 9>&2 1>/dev/null 2>/dev/null) )
-    if [[ $? != 0 ]]; then
-        unset COMPREPLY
-    fi
-}
-complete -F _python_argcomplete ifup ifdown ifquery ifreload

ifupdown2/ifupdown/argv.py

@@ -8,7 +8,6 @@
 
 import sys
 import argparse
-import argcomplete
 
 try:
     from ifupdown2.ifupdown.utils import utils
@@ -77,7 +76,6 @@ class Parse:
             elif self.op == 'query':
                 self.update_ifquery_argparser(argparser)
         self.update_common_argparser(argparser)
-        argcomplete.autocomplete(argparser)
 
         try:
             self.args = argparser.parse_args(self.argv)

setup.py

@@ -7,7 +7,6 @@ from setuptools import setup
 from setuptools import find_packages
 
 INSTALL_REQUIRES = [
-    'argcomplete',
 ]
 
 DATA_FILES = [