[X2Go-Commits] [nx-libs] 42/54: nxdialog: make code compatible to python2 _and_ python3
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x2go pushed a commit to branch master
in repository nx-libs.
commit acffe15b58c352914a63499d29a12f72671afc5b
Author: Ulrich Sibiller <uli42 at gmx.de>
Date: Thu Feb 28 20:17:39 2019 +0100
nxdialog: make code compatible to python2 _and_ python3
---
nxdialog/nxdialog | 22 ++++++++++++++++------
1 file changed, 16 insertions(+), 6 deletions(-)
diff --git a/nxdialog/nxdialog b/nxdialog/nxdialog
index ff453e2..58e773c 100755
--- a/nxdialog/nxdialog
+++ b/nxdialog/nxdialog
@@ -1,5 +1,11 @@
-#!/usr/bin/env python2
+#!/usr/bin/env python
#
+# ^^^ This is working with python2 and python3 so we choose a shebang
+# that will find either version.
+# Citing PEP394: "One exception to this is scripts that are
+# deliberately written to be source compatible with both Python
+# 2.x and 3.x. Such scripts may continue to use python on their
+# shebang line.
# Copyright (C) 2008 Google Inc.
# Copyright (C) 2019 Ulrich Sibiller <uli42 at gmx.de>
@@ -32,12 +38,15 @@
# - removed neatx entry from the pulldoww menu
# - use PyGObject instead of PyGtk and thus Gtk3
# - replace optparse by argparse
+# - make code compatible to python2 and python3.
"""nxdialog program for handling dialog display."""
# If an "NX_CLIENT" environment variable is not provided to nxagent
# nxcomp library assumes this script is located in /usr/NX/bin/nxclient
+from __future__ import print_function
+
import argparse
import os
import signal
@@ -155,7 +164,7 @@ class PullDownMenu(object):
menu_width = menu.get_allocated_width()
# Calculate center
- center_x = win_x + ((win_width - menu_width) / 2)
+ center_x = int(win_x + ((win_width - menu_width) / 2))
return (center_x, win_y, True)
@@ -224,11 +233,11 @@ def handle_session_action(agentpid, action):
"""
if action == DISCONNECT:
- print "Disconnecting from session, sending SIGHUP to %s" % (agentpid)
+ print("Disconnecting from session, sending SIGHUP to %s" % (agentpid))
os.kill(agentpid, signal.SIGHUP)
elif action == TERMINATE:
- print "Terminating session, sending SIGTERM to process %s" % (agentpid)
+ print("Terminating session, sending SIGTERM to process %s" % (agentpid))
os.kill(agentpid, signal.SIGTERM)
elif action is None:
@@ -273,11 +282,12 @@ class NxDialogProgram(object):
except (SystemExit, KeyboardInterrupt):
raise
- except Exception, expt:
+ except Exception as expt:
sys.stderr.write("Caught exception: %s\n" % (expt))
sys.exit(EXIT_FAILURE)
- def parse_args(self):
+ @staticmethod
+ def parse_args():
""" init parser """
parser = argparse.ArgumentParser(description="Helper for nxagent to display dialogs")
--
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