bpo-33610: Edit idlelib.codecontext (GH-23773)
Add sentence to module docstring and import tkinter items.
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@ -7,11 +7,14 @@ the lines which contain the block opening keywords, e.g. 'if', for the
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enclosing block. The number of hint lines is determined by the maxlines
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variable in the codecontext section of config-extensions.def. Lines which do
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not open blocks are not shown in the context hints pane.
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For EditorWindows, <<toggle-code-context>> is bound to CodeContext(self).
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toggle_code_context_event.
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"""
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import re
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from sys import maxsize as INFINITY
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import tkinter
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from tkinter import Frame, Text, TclError
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from tkinter.constants import NSEW, SUNKEN
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from idlelib.config import idleConf
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@ -83,7 +86,7 @@ class CodeContext:
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if self.t1 is not None:
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try:
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self.text.after_cancel(self.t1)
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except tkinter.TclError: # pragma: no cover
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except TclError: # pragma: no cover
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pass
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self.t1 = None
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@ -111,7 +114,7 @@ class CodeContext:
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padx += widget.tk.getint(info['padx'])
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padx += widget.tk.getint(widget.cget('padx'))
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border += widget.tk.getint(widget.cget('border'))
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context = self.context = tkinter.Text(
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context = self.context = Text(
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self.editwin.text_frame,
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height=1,
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width=1, # Don't request more than we get.
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@ -127,7 +130,7 @@ class CodeContext:
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line_number_colors = idleConf.GetHighlight(idleConf.CurrentTheme(),
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'linenumber')
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self.cell00 = tkinter.Frame(self.editwin.text_frame,
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self.cell00 = Frame(self.editwin.text_frame,
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bg=line_number_colors['background'])
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self.cell00.grid(row=0, column=0, sticky=NSEW)
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menu_status = 'Hide'
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@ -221,7 +224,7 @@ class CodeContext:
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"""
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try:
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self.context.index("sel.first")
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except tkinter.TclError:
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except TclError:
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lines = len(self.info)
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if lines == 1: # No context lines are showing.
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newtop = 1
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