- Make the execution of 'from pylab import *' when -pylab is given be

optional.  A new flag, pylab_import_all controls this behavior, the default
is True for backwards compatibility.
- Small fixes to previously committed coloring support in tracebacks.

IPython/Shell.py

@@ -4,7 +4,7 b''
 All the matplotlib support code was co-developed with John Hunter,
 matplotlib's author.
 
-$Id: Shell.py 2151 2007-03-18 01:17:00Z fperez $"""
+$Id: Shell.py 2156 2007-03-19 02:32:19Z fperez $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001-2006 Fernando Perez <[e-mail]>
@@ -446,8 +446,7 b' class MatplotlibShellBase:'
         user_ns = IPython.ipapi.make_user_ns(user_ns)
 
         exec ("import matplotlib\n"
-              "import matplotlib.pylab as pylab\n"
-              "from matplotlib.pylab import *") in user_ns
+              "import matplotlib.pylab as pylab\n") in user_ns
         
         # Build matplotlib info banner
         b="""
@@ -931,6 +930,17 b' class IPShellQt4(threading.Thread):'
 
 # A set of matplotlib public IPython shell classes, for single-threaded
 # (Tk* and FLTK* backends) and multithreaded (GTK* and WX* backends) use.
+def _load_pylab(user_ns):
+    """Allow users to disable pulling all of pylab into the top-level
+    namespace.
+
+    This little utility must be called AFTER the actual ipython instance is
+    running, since only then will the options file have been fully parsed."""
+    
+    ip = IPython.ipapi.get()
+    if ip.options.pylab_import_all:
+        exec "from matplotlib.pylab import *" in user_ns
+
 class IPShellMatplotlib(IPShell):
     """Subclass IPShell with MatplotlibShell as the internal shell.
 
@@ -941,6 +951,7 b' class IPShellMatplotlib(IPShell):'
     def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1):
         IPShell.__init__(self,argv,user_ns,user_global_ns,debug,
                          shell_class=MatplotlibShell)
+        _load_pylab(user_ns)
 
 class IPShellMatplotlibGTK(IPShellGTK):
     """Subclass IPShellGTK with MatplotlibMTShell as the internal shell.
@@ -950,6 +961,7 b' class IPShellMatplotlibGTK(IPShellGTK):'
     def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1):
         IPShellGTK.__init__(self,argv,user_ns,user_global_ns,debug,
                             shell_class=MatplotlibMTShell)
+        _load_pylab(user_ns)
 
 class IPShellMatplotlibWX(IPShellWX):
     """Subclass IPShellWX with MatplotlibMTShell as the internal shell.
@@ -959,6 +971,7 b' class IPShellMatplotlibWX(IPShellWX):'
     def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1):
         IPShellWX.__init__(self,argv,user_ns,user_global_ns,debug,
                            shell_class=MatplotlibMTShell)
+        _load_pylab(user_ns)
 
 class IPShellMatplotlibQt(IPShellQt):
     """Subclass IPShellQt with MatplotlibMTShell as the internal shell.
@@ -968,6 +981,7 b' class IPShellMatplotlibQt(IPShellQt):'
     def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1):
         IPShellQt.__init__(self,argv,user_ns,user_global_ns,debug,
                            shell_class=MatplotlibMTShell)
+        _load_pylab(user_ns)
 
 class IPShellMatplotlibQt4(IPShellQt4):
     """Subclass IPShellQt4 with MatplotlibMTShell as the internal shell.
@@ -977,6 +991,7 b' class IPShellMatplotlibQt4(IPShellQt4):'
     def __init__(self,argv=None,user_ns=None,user_global_ns=None,debug=1):
         IPShellQt4.__init__(self,argv,user_ns,user_global_ns,debug,
                            shell_class=MatplotlibMTShell)
+        _load_pylab(user_ns)
 
 #-----------------------------------------------------------------------------
 # Factory functions to actually start the proper thread-aware shell

IPython/UserConfig/ipythonrc

@@ -1,5 +1,5 b''
 # -*- Mode: Shell-Script -*-  Not really, but shows comments correctly
-# $Id: ipythonrc 1979 2006-12-12 18:50:20Z vivainio $
+# $Id: ipythonrc 2156 2007-03-19 02:32:19Z fperez $
 
 #***************************************************************************
 #
@@ -258,6 +258,15 b" prompt_out 'Out[\\#]: '"
 # the output prompts will be unpadded (flush left).
 prompts_pad_left 1
 
+# Pylab support: when ipython is started with the -pylab switch, by default it
+# executes 'from matplotlib.pylab import *'.  Set this variable to false if you
+# want to disable this behavior.
+
+# For details on pylab, see the matplotlib website:
+# http://matplotlib.sf.net
+pylab_import_all 1
+
+
 # quick 1 -> same as ipython -quick
 quick 0
 

IPython/ipmaker.py

@@ -6,7 +6,7 b' Requires Python 2.1 or better.'
 
 This file contains the main make_IPython() starter function.
 
-$Id: ipmaker.py 2093 2007-02-09 21:28:58Z fperez $"""
+$Id: ipmaker.py 2156 2007-03-19 02:32:19Z fperez $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001-2006 Fernando Perez. <[e-mail]>
@@ -159,6 +159,7 b" object? -> Details about 'object'. ?object also works, ?? prints more."
                     'debug! deep_reload! editor=s log|l messages! nosep '
                     'object_info_string_level=i pdb! '
                     'pprint! prompt_in1|pi1=s prompt_in2|pi2=s prompt_out|po=s '
+                    'pylab_import_all! '
                     'quick screen_length|sl=i prompts_pad_left=i '
                     'logfile|lf=s logplay|lp=s profile|p=s '
                     'readline! readline_merge_completions! '
@@ -213,6 +214,7 b" object? -> Details about 'object'. ?object also works, ?? prints more."
                       prompt_in2 = '   .\\D.: ',
                       prompt_out = 'Out[\\#]: ',
                       prompts_pad_left = 1,
+                      pylab_import_all = 1,
                       quiet = 0,
                       quick = 0,
                       readline = 1,

IPython/ultraTB.py

@@ -60,7 +60,7 b' You can implement other color schemes easily, the syntax is fairly'
 self-explanatory. Please send back new schemes you develop to the author for
 possible inclusion in future releases.
 
-$Id: ultraTB.py 2155 2007-03-19 00:45:51Z fperez $"""
+$Id: ultraTB.py 2156 2007-03-19 02:32:19Z fperez $"""
 
 #*****************************************************************************
 #       Copyright (C) 2001 Nathaniel Gray <[e-mail]>
@@ -103,7 +103,7 b' INDENT_SIZE = 8'
 # formatter.  When running in an actual IPython instance, the user's rc.colors
 # value is used, but havinga module global makes this functionality available
 # to users of ultraTB who are NOT running inside ipython.
-DEFAULT_SCHEME = 'NoColors'
+DEFAULT_SCHEME = 'NoColor'
 
 #---------------------------------------------------------------------------
 # Code begins
@@ -160,16 +160,17 b' def _fixed_getinnerframes(etb, context=1,tb_offset=0):'
 
 _parser = PyColorize.Parser()
     
-def _formatTracebackLines(lnum, index, lines, Colors, lvals=None):
+def _formatTracebackLines(lnum, index, lines, Colors, lvals=None,scheme=None):
     numbers_width = INDENT_SIZE - 1
     res = []
     i = lnum - index
 
     # This lets us get fully syntax-highlighted tracebacks.
-    try:
-        scheme = __IPYTHON__.rc.colors
-    except:
-        scheme = DEFAULT_SCHEME
+    if scheme is None:
+        try:
+            scheme = __IPYTHON__.rc.colors
+        except:
+            scheme = DEFAULT_SCHEME
     _line_format = _parser.format2
 
     for line in lines:
@@ -420,6 +421,7 b' class VerboseTB(TBTools):'
         # some locals
         Colors        = self.Colors   # just a shorthand + quicker name lookup
         ColorsNormal  = Colors.Normal  # used a lot
+        col_scheme    = self.color_scheme_table.active_scheme_name
         indent        = ' '*INDENT_SIZE
         exc           = '%s%s%s' % (Colors.excName, str(etype), ColorsNormal)
         em_normal     = '%s\n%s%s' % (Colors.valEm, indent,ColorsNormal)
@@ -658,7 +660,8 b' class VerboseTB(TBTools):'
                 frames.append(level)
             else:
                 frames.append('%s%s' % (level,''.join(
-                    _formatTracebackLines(lnum,index,lines,self.Colors,lvals))))
+                    _formatTracebackLines(lnum,index,lines,Colors,lvals,
+                                          col_scheme))))
 
         # Get (safely) a string form of the exception info
         try:

doc/ChangeLog

@@ -1,5 +1,10 b''
 2007-03-18  Fernando Perez  <[e-mail]>
 
+	* IPython/Shell.py (_load_pylab): Make the execution of 'from
+	pylab import *' when -pylab is given be optional.  A new flag,
+	pylab_import_all controls this behavior, the default is True for
+	backwards compatibility.
+
 	* IPython/ultraTB.py (_formatTracebackLines): Added (slightly
 	modified) R. Bernstein's patch for fully syntax highlighted
 	tracebacks.  The functionality is also available under ultraTB for