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05bab1ee93
Rev 1.11 GvR Fix for SF bug #448835. Fix this to work with the new (still undocumented) tabnanny API. I'm afraid Stephen will have to add this fix to the IDLE fork code base as well. Rev 1.12 rhettinger (skip, done differently in Idlefork) Rev 1.13 time_one (skip, NA)
154 lines
5 KiB
Python
154 lines
5 KiB
Python
"""Extension to execute code outside the Python shell window.
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This adds the following commands:
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- Check module does a full syntax check of the current module.
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It also runs the tabnanny to catch any inconsistent tabs.
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- Run module executes the module's code in the __main__ namespace. The window
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must have been saved previously. The module is added to sys.modules, and is
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also added to the __main__ namespace.
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XXX Redesign this interface (yet again) as follows:
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- Present a dialog box for ``Run script''
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- Allow specify command line arguments in the dialog box
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"""
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import sys
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import os
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import imp
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import tkMessageBox
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indent_message = """Error: Inconsistent indentation detected!
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This means that either:
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1) your indentation is outright incorrect (easy to fix), or
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2) your indentation mixes tabs and spaces in a way that depends on \
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how many spaces a tab is worth.
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To fix case 2, change all tabs to spaces by using Select All followed \
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by Untabify Region (both in the Edit menu)."""
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# XXX TBD Implement stop-execution KBK 11Jun02
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class ScriptBinding:
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menudefs = [
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('run', [None,
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# ('Check module', '<<check-module>>'),
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('Run script', '<<run-script>>'),
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]
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),
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]
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def __init__(self, editwin):
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self.editwin = editwin
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# Provide instance variables referenced by Debugger
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# XXX This should be done differently
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self.flist = self.editwin.flist
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self.root = self.flist.root
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def check_module_event(self, event):
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filename = self.getfilename()
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if not filename:
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return
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if not self.tabnanny(filename):
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return
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if not self.checksyntax(filename):
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return
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def tabnanny(self, filename):
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import tabnanny
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import tokenize
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f = open(filename, 'r')
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try:
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tabnanny.process_tokens(tokenize.generate_tokens(f.readline))
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except tokenize.TokenError, msg:
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self.errorbox("Token error",
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"Token error:\n%s" % str(msg))
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return 0
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except tabnanny.NannyNag, nag:
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# The error messages from tabnanny are too confusing...
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self.editwin.gotoline(nag.get_lineno())
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self.errorbox("Tab/space error", indent_message)
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return 0
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return 1
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def checksyntax(self, filename):
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f = open(filename, 'r')
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source = f.read()
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f.close()
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if '\r' in source:
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import re
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source = re.sub(r"\r\n", "\n", source)
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if source and source[-1] != '\n':
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source = source + '\n'
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try:
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compile(source, filename, "exec")
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except (SyntaxError, OverflowError), err:
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try:
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msg, (errorfilename, lineno, offset, line) = err
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if not errorfilename:
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err.args = msg, (filename, lineno, offset, line)
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err.filename = filename
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except:
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lineno = None
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msg = "*** " + str(err)
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if lineno:
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self.editwin.gotoline(lineno)
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self.errorbox("Syntax error",
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"There's an error in your program:\n" + msg)
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return 1
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def run_script_event(self, event):
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filename = self.getfilename()
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if not filename:
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return
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flist = self.editwin.flist
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shell = flist.open_shell()
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interp = shell.interp
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if interp.tkconsole.executing:
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interp.display_executing_dialog()
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return
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interp.restart_subprocess()
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# XXX Too often this discards arguments the user just set...
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interp.runcommand("""if 1:
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_filename = %s
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import sys as _sys
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from os.path import basename as _basename
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if (not _sys.argv or
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_basename(_sys.argv[0]) != _basename(_filename)):
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# XXX 25 July 2002 KBK should this be sys.argv not _sys.argv?
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_sys.argv = [_filename]
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del _filename, _sys, _basename
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\n""" % `filename`)
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interp.execfile(filename)
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def getfilename(self):
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# Logic to make sure we have a saved filename
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# XXX Better logic would offer to save!
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if not self.editwin.get_saved():
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name = (self.editwin.short_title() or
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self.editwin.long_title() or
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"Untitled")
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self.errorbox("Not saved",
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"The buffer for %s is not saved.\n" % name +
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"Please save it first!")
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self.editwin.text.focus_set()
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return
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filename = self.editwin.io.filename
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if not filename:
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self.errorbox("No file name",
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"This window has no file name")
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return
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return filename
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def errorbox(self, title, message):
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# XXX This should really be a function of EditorWindow...
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tkMessageBox.showerror(title, message, master=self.editwin.text)
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self.editwin.text.focus_set()
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