base: Add support for newer versions of IPython

IPython is used for the interactive gem5 shell if it exists. IPython
made API changes in version 0.11. This patch adds support for IPython
version 0.11 and above.

--HG--
extra : rebase_source : 5388d0919adb58d97f49a1a637db48cba61283a3

1 files changed, 31 insertions, 2 deletions

diff --git a/src/python/m5/main.py b/src/python/m5/main.py
index 03fab9901..a02d43335 100644
--- a/src/python/m5/main.py
+++ b/src/python/m5/main.py
@@ -129,11 +129,40 @@ def parse_options():
 
 def interact(scope):
     banner = "gem5 Interactive Console"
+
+    ipshell = None
+    prompt_in1 = "gem5 \\#> "
+    prompt_out = "gem5 \\#: "
+
+    # Is IPython version 0.10 or earlier available?
     try:
         from IPython.Shell import IPShellEmbed
-        ipshell = IPShellEmbed(argv=[], banner=banner, user_ns=scope)
-        ipshell()
+        ipshell = IPShellEmbed(argv=["-prompt_in1", prompt_in1,
+                                     "-prompt_out", prompt_out],
+                               banner=banner, user_ns=scope)
     except ImportError:
+        pass
+
+    # Is IPython version 0.11 or later available?
+    if not ipshell:
+        try:
+            import IPython
+            from IPython.config.loader import Config
+            from IPython.frontend.terminal.embed import InteractiveShellEmbed
+
+            cfg = Config()
+            cfg.PromptManager.in_template = prompt_in1
+            cfg.PromptManager.out_template = prompt_out
+            ipshell = InteractiveShellEmbed(config=cfg, user_ns=scope,
+                                            banner1=banner)
+        except ImportError:
+            pass
+
+    if ipshell:
+        ipshell()
+    else:
+        # Use the Python shell in the standard library if IPython
+        # isn't available.
         code.InteractiveConsole(scope).interact(banner)
 
 def main(*args):