[Twisted-web] [resent.. patch fixed] liveevil.py import breaks py2exe

[Cory Dodt]

Cory Dodt wrote:
> The following patch is the quickest hack I could think of to make liveevil
> import successfully (albeit non-usefully) in an app that bundles nevow with
> py2exe.
> 
> Liveevil won't *work* under these conditions, so someone needs to think 
> of a
> way to tell it how to find liveevil.js if they want py2exe + liveevil.  
> This
> should permit non-liveevil nevow apps work ok though, which currently they
> don't.  Without this patch you get an error along the lines of IOError: No
> such file "C:\...\library.zip\nevow\liveevil.js".
> 
> C
> 

Index: liveevil.py
===================================================================
--- liveevil.py	(revision 1334)
+++ liveevil.py	(working copy)
@@ -294,16 +294,20 @@
      return os.path.join(dirname, 'liveevil.js')


-_glueJS = _locateGlueJS()
+try:
+    _glueJS = _locateGlueJS()

-# A static.File resource that can be used from a <link>
-glueJS = static.File(_glueJS, 'text/javascript')
+    # A static.File resource that can be used from a <link>
+    glueJS = static.File(_glueJS, 'text/javascript')

-# Inline JavaScript glue. TODO: deprecate this.
-glue = tags.inlineJS(open(_glueJS).read())
+    # Inline JavaScript glue. TODO: deprecate this.
+    glue = tags.inlineJS(open(_glueJS).read())

-# Glue which tells livepage to only allow clientToServer events, not async 
serverToClient events
-inputOnlyGlue = tags.inlineJS("var auto_open = false; var liveevil_unload = 
true;\n" + ''.join(open(_glueJS).readlines()[1:]))
+    # Glue which tells livepage to only allow clientToServer events, not 
async serverToClient events
+    inputOnlyGlue = tags.inlineJS("var auto_open = false; var liveevil_unload 
= true;\n" + ''.join(open(_glueJS).readlines()[1:]))
+except EnvironmentError:
+    glueJS = inputOnlyGlue = glue = None
+    warnings.warn("Could not open liveevil.js")


  ctsTemplate = "nevow_clientToServerEvent('%s',this%s);%s"