Use python2 instead python and fix install for a custom Python interpreter

Makefile

@@ -17,12 +17,14 @@ install: install-noinit
 	done
 
 install-noinit: install-man
+	install -Dp daemon/network-manager $(DESTDIR)$(NM)
 	set -e $(DESTDIR)$(PREFIX) /bin/re6stnet; [ -x $$1$$2 ] || \
-	python2.7 setup.py install --prefix=$(PREFIX) --root=$(DESTDIR); \
+	$(or $(PYTHON),python2) setup.py install \
+		--prefix=$(PREFIX) --root=$(DESTDIR); \
+	$(and $(PYTHON),sed -ri '1s:^#!\S+:#!$(PYTHON):' $(DESTDIR)$(NM);) \
 	install -d $$1/sbin; mv $$1$$2 $$1/sbin
 	install -Dpm 0644 daemon/README.conf $(DESTDIR)/etc/re6stnet/README
 	install -Dpm 0644 daemon/logrotate.conf $(DESTDIR)/etc/logrotate.d/re6stnet
-	install -Dp daemon/network-manager $(DESTDIR)$(NM)
 
 install-man: $(MANPAGELIST)
 	set -e; for x in $^; \

daemon/network-manager

-#!/usr/bin/python -S
+#!/usr/bin/python2 -S
 import errno, glob, os, signal, socket, subprocess, sys, time
 
 DAEMON = "re6stnet"

debian/common.mk

@@ -18,7 +18,8 @@ debian/changelog:
 endif
 
 override_dh_install:
-	make DESTDIR=$(TMP) PREFIX=/usr install-noinit install-ifupdown
+	make DESTDIR=$(TMP) PREFIX=/usr PYTHON=/usr/bin/python \
+		install-noinit install-ifupdown
 
 override_dh_installinit:
 	install -d $(INIT)

debian/rules

@@ -15,5 +15,8 @@ override_dh_python2:
 override_dh_auto_clean:
 	make clean
 
+# Do not build twice ('setup.py install' builds automatically)
+override_dh_auto_build:
+
 %:
 	dh $@ --with python2 --buildsystem=python_distutils

demo/demo

-#!/usr/bin/python
+#!/usr/bin/python2
 import math, nemu, os, re, signal, socket, subprocess, sys, time, weakref
 from collections import defaultdict
 IPTABLES = 'iptables'

draft/re6st-cn

-#!/usr/bin/python
+#!/usr/bin/python2
 import sqlite3, sys
 if 're6st' not in sys.modules:
     import os; sys.path[0] = os.path.dirname(sys.path[0])

draft/re6st-geo

-#!/usr/bin/python
+#!/usr/bin/python2
 # -*- coding: utf-8 -*-
 import argparse, httplib,  select, socket, sqlite3, struct, sys, time, traceback
 import xml.etree.cElementTree as ET

re6st/cli/conf.py

-#!/usr/bin/python
+#!/usr/bin/python2
 import argparse, atexit, binascii, errno, hashlib
 import os, subprocess, sqlite3, sys, time
 from OpenSSL import crypto

re6st/cli/node.py

-#!/usr/bin/python
+#!/usr/bin/python2
 import atexit, errno, logging, os, shutil, signal
 import socket, struct, subprocess, sys, time, threading
 from collections import deque

re6st/cli/registry.py

-#!/usr/bin/python
+#!/usr/bin/python2
 import httplib, logging, os, socket, sys
 from BaseHTTPServer import BaseHTTPRequestHandler
 from SocketServer import ThreadingTCPServer

re6st/ovpn-client

-#!/usr/bin/python -S
+#!/usr/bin/python2 -S
 import os, sys
 
 script_type = os.environ['script_type']

re6st/ovpn-server

-#!/usr/bin/python -S
+#!/usr/bin/python2 -S
 import os, sys
 
 script_type = os.environ['script_type']

re6stnet.spec

 %define _builddir %(pwd)
-%define ver %(python re6st/version.py)
+%define ver %(python2 re6st/version.py)
 %define units re6stnet.service re6st-registry.service
 
 Summary:    resilient, scalable, IPv6 network application

setup.py

 """Resilient, Scalable, IPv6 Network
 """
-
+import os, stat
+from distutils.command.build_scripts import first_line_re
 from setuptools import setup, find_packages
 from setuptools.command import sdist as _sdist, build_py as _build_py
 from distutils import log
@@ -17,6 +18,19 @@ def copy_file(self, infile, outfile, *args, **kw):
                     if not x[0].startswith("_"):
                         f.write("%s = %r\n" % x)
         return outfile, 1
+    elif isinstance(self, build_py) and \
+         os.stat(infile).st_mode & stat.S_IEXEC:
+        # Adjust interpreter of OpenVPN hooks.
+        with open(infile) as src:
+            first_line = src.readline()
+            m = first_line_re.match(first_line)
+            if m and not self.dry_run:
+                log.info("copying and adjusting %s -> %s", infile, outfile)
+                executable = self.distribution.command_obj['build'].executable
+                with open(outfile, "wb") as dst:
+                    dst.write("#!%s%s\n" % (executable, m.group(1) or ''))
+                    dst.write(src.read())
+                return outfile, 1
     cls, = self.__class__.__bases__
     return cls.copy_file(self, infile, outfile, *args, **kw)