cpython/Tools/idle/OutputWindow.py

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from Tkinter import *
from EditorWindow import EditorWindow
import re
import tkMessageBox
class OutputWindow(EditorWindow):
"""An editor window that can serve as an output file.
Also the future base class for the Python shell window.
This class has no input facilities.
"""
def __init__(self, *args):
apply(EditorWindow.__init__, (self,) + args)
self.text.bind("<<goto-file-line>>", self.goto_file_line)
# Customize EditorWindow
def ispythonsource(self, filename):
# No colorization needed
return 0
def short_title(self):
return "Output"
def maybesave(self):
# Override base class method -- don't ask any questions
if self.get_saved():
return "yes"
else:
return "no"
# Act as output file
def write(self, s, tags=(), mark="insert"):
self.text.insert(mark, str(s), tags)
self.text.see(mark)
self.text.update()
def writelines(self, l):
map(self.write, l)
# Our own right-button menu
rmenu_specs = [
("Go to file/line", "<<goto-file-line>>"),
]
file_line_pats = [
r'file "([^"]*)", line (\d+)',
r'([^\s]+)\((\d+)\)',
r'([^\s]+):\s*(\d+):',
]
file_line_progs = None
def goto_file_line(self, event=None):
if self.file_line_progs is None:
l = []
for pat in self.file_line_pats:
l.append(re.compile(pat, re.IGNORECASE))
self.file_line_progs = l
# x, y = self.event.x, self.event.y
# self.text.mark_set("insert", "@%d,%d" % (x, y))
line = self.text.get("insert linestart", "insert lineend")
for prog in self.file_line_progs:
m = prog.search(line)
if m:
break
else:
tkMessageBox.showerror("No special line",
"The line you point at doesn't look like "
"a file name followed by a line number.",
master=self.text)
return
filename, lineno = m.group(1, 2)
try:
f = open(filename, "r")
f.close()
except IOError, msg:
self.text.bell()
return
edit = self.flist.open(filename)
try:
lineno = int(lineno)
except ValueError, msg:
self.text.bell()
return
edit.gotoline(lineno)