[ Stefano Rivera ]

[ Julian Taylor ]
lp-shell: use ipython shell if available

debian/changelog

@@ -1,8 +1,12 @@
 ubuntu-dev-tools (0.128) UNRELEASED; urgency=low
 
+  [ Stefano Rivera ]
   * ubuntutools.builder: Detect missing builder and fail early.
 
- -- Stefano Rivera <stefanor@debian.org>  Mon, 25 Jul 2011 19:36:41 +0200
+  [ Julian Taylor ]
+  * lp-shell: use ipython shell if available
+
+ -- Julian Taylor <jtaylor.debian@googlemail.com>  Sun, 14 Aug 2011 18:56:52 +0200
 
 ubuntu-dev-tools (0.127) unstable; urgency=low
 

debian/control

@@ -57,7 +57,7 @@ Recommends: bzr,
             python-gnupginterface,
             python-soappy,
             reportbug (>= 3.39ubuntu1)
-Suggests: python-simplejson | python (>= 2.7), qemu-user-static
+Suggests: ipython, python-simplejson | python (>= 2.7), qemu-user-static
 Description: useful tools for Ubuntu developers
  This is a collection of useful tools that Ubuntu developers use to make their
  packaging work a lot easier.

doc/lp-shell.1

@@ -5,6 +5,8 @@ lp\-shell \- Open an interactive launchpadlib shell.
 .SH SYNOPSIS
 .B lp\-shell
 .RB [ \-a ]
+.RB [ \-\-python ]
+.RB [ \-\-ipython ]
 .RI [ service ]
 .RI [ "LP API version" ]
 
@@ -34,6 +36,14 @@ the third argument. Current supported are: "beta", "1.0" and "devel".
 .B \-a
 Login anonymously into Launchpad.
 
+.TP
+.B \-\-ipython
+Use an ipython shell if available (default).
+
+.TP
+.B \-\-python
+Use a regular python shell.
+
 .SH AUTHORS
 .B lp\-shell
 was written by Martin Pitt <martin.pitt@ubuntu.com>.

lp-shell

@@ -33,6 +33,13 @@ def main():
     opt_parser.add_option('-a', action='store_true',
                           dest='anonymous', default=False,
                           help='Login anonymously into LP.')
+    opt_parser.add_option('--ipython',action='store_const',
+                          dest='shell',const='ipython', default="ipython",
+                          help='Use ipython shell (default).')
+    opt_parser.add_option('--python',action='store_const',
+                          dest='shell',const='python',
+                          help='Use python shell.')
+
 
     (options, args) = opt_parser.parse_args()
 
@@ -63,24 +70,43 @@ def main():
 
     banner += '\nNote: LP can be accessed through the "lp" object.'
 
-    class CompleterConsole(code.InteractiveConsole):
+    sh = None
-        def __init__(self):
+    if options.shell == "ipython":
-            local = {'lp': launchpad}
+        try:
-            code.InteractiveConsole.__init__(self, locals=local)
+            try: # ipython >= 0.11
-            try:
+                from IPython.frontend.terminal.embed import InteractiveShellEmbed
-                import readline
+                sh = InteractiveShellEmbed(banner2=banner, user_ns={'lp': launchpad})
-            except ImportError:
+            except ImportError: # ipython < 0.11
-                print 'I: readline module not available.'
+                # pylint does not handle nested try-except, disable import error
-            else:
+                # pylint: disable-msg=E0611
-                import rlcompleter
+                from IPython.Shell import IPShellEmbed
-                readline.parse_and_bind("tab: complete")
+                sh = IPShellEmbed(argv=[], user_ns={'lp': launchpad})
+                sh.set_banner(sh.IP.BANNER + '\n' + banner)
+            sh.excepthook = sys.__excepthook__
+        except ImportError:
+            print "E: ipython not available. Using normal python shell."
 
-    # Disable default apport hook, as lp-shell is intended for interactive use
+    if sh:
-    # and thus exceptions often bubble up to the top level.
+        sh()
-    sys.excepthook = sys.__excepthook__
+    else:
+        class CompleterConsole(code.InteractiveConsole):
+            def __init__(self):
+                local = {'lp': launchpad}
+                code.InteractiveConsole.__init__(self, locals=local)
+                try:
+                    import readline
+                except ImportError:
+                    print 'I: readline module not available.'
+                else:
+                    import rlcompleter
+                    readline.parse_and_bind("tab: complete")
 
-    console = CompleterConsole()
+        # Disable default apport hook, as lp-shell is intended for interactive use
-    console.interact(banner)
+        # and thus exceptions often bubble up to the top level.
+        sys.excepthook = sys.__excepthook__
+
+        console = CompleterConsole()
+        console.interact(banner)
 
 if __name__ == '__main__':
     main()