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-rw-r--r--Lib/idlelib/codecontext.py52
-rw-r--r--Misc/NEWS.d/next/IDLE/2017-09-16-23-43-39.bpo-31493.nmHMCR.rst3
2 files changed, 29 insertions, 26 deletions
diff --git a/Lib/idlelib/codecontext.py b/Lib/idlelib/codecontext.py
index 779b5b8..316e510 100644
--- a/Lib/idlelib/codecontext.py
+++ b/Lib/idlelib/codecontext.py
@@ -22,15 +22,14 @@ BLOCKOPENERS = {"class", "def", "elif", "else", "except", "finally", "for",
UPDATEINTERVAL = 100 # millisec
FONTUPDATEINTERVAL = 1000 # millisec
-getspacesfirstword =\
- lambda s, c=re.compile(r"^(\s*)(\w*)"): c.match(s).groups()
+def getspacesfirstword(s, c=re.compile(r"^(\s*)(\w*)")):
+ return c.match(s).groups()
class CodeContext:
- bgcolor = idleConf.GetOption("extensions", "CodeContext",
- "bgcolor", type="str", default="LightGray")
- fgcolor = idleConf.GetOption("extensions", "CodeContext",
- "fgcolor", type="str", default="Black")
+ bgcolor = "LightGray"
+ fgcolor = "Black"
+
def __init__(self, editwin):
self.editwin = editwin
self.text = editwin.text
@@ -43,19 +42,25 @@ class CodeContext:
# starts the toplevel 'block' of the module.
self.info = [(0, -1, "", False)]
self.topvisible = 1
- self.reload()
# Start two update cycles, one for context lines, one for font changes.
- self.text.after(UPDATEINTERVAL, self.timer_event)
- self.text.after(FONTUPDATEINTERVAL, self.font_timer_event)
+ self.t1 = self.text.after(UPDATEINTERVAL, self.timer_event)
+ self.t2 = self.text.after(FONTUPDATEINTERVAL, self.font_timer_event)
@classmethod
def reload(cls):
cls.context_depth = idleConf.GetOption("extensions", "CodeContext",
"numlines", type="int", default=3)
- cls.bgcolor = idleConf.GetOption("extensions", "CodeContext",
- "bgcolor", type="str", default="LightGray")
- cls.fgcolor = idleConf.GetOption("extensions", "CodeContext",
- "fgcolor", type="str", default="Black")
+## cls.bgcolor = idleConf.GetOption("extensions", "CodeContext",
+## "bgcolor", type="str", default="LightGray")
+## cls.fgcolor = idleConf.GetOption("extensions", "CodeContext",
+## "fgcolor", type="str", default="Black")
+
+ def __del__(self):
+ try:
+ self.text.after_cancel(self.t1)
+ self.text.after_cancel(self.t2)
+ except:
+ pass
def toggle_code_context_event(self, event=None):
if not self.label:
@@ -74,14 +79,12 @@ class CodeContext:
border = 0
for widget in widgets:
border += widget.tk.getint(widget.cget('border'))
- self.label = tkinter.Label(self.editwin.top,
- text="\n" * (self.context_depth - 1),
- anchor=W, justify=LEFT,
- font=self.textfont,
- bg=self.bgcolor, fg=self.fgcolor,
- width=1, #don't request more than we get
- padx=padx, border=border,
- relief=SUNKEN)
+ self.label = tkinter.Label(
+ self.editwin.top, text="\n" * (self.context_depth - 1),
+ anchor=W, justify=LEFT, font=self.textfont,
+ bg=self.bgcolor, fg=self.fgcolor,
+ width=1, #don't request more than we get
+ padx=padx, border=border, relief=SUNKEN)
# Pack the label widget before and above the text_frame widget,
# thus ensuring that it will appear directly above text_frame
self.label.pack(side=TOP, fill=X, expand=False,
@@ -89,9 +92,6 @@ class CodeContext:
else:
self.label.destroy()
self.label = None
- idleConf.SetOption("main", "Theme", "contexton",
- str(self.label is not None))
- idleConf.SaveUserCfgFiles()
return "break"
def get_line_info(self, linenum):
@@ -172,14 +172,14 @@ class CodeContext:
def timer_event(self):
if self.label:
self.update_code_context()
- self.text.after(UPDATEINTERVAL, self.timer_event)
+ self.t1 = self.text.after(UPDATEINTERVAL, self.timer_event)
def font_timer_event(self):
newtextfont = self.text["font"]
if self.label and newtextfont != self.textfont:
self.textfont = newtextfont
self.label["font"] = self.textfont
- self.text.after(FONTUPDATEINTERVAL, self.font_timer_event)
+ self.t2 = self.text.after(FONTUPDATEINTERVAL, self.font_timer_event)
CodeContext.reload()
diff --git a/Misc/NEWS.d/next/IDLE/2017-09-16-23-43-39.bpo-31493.nmHMCR.rst b/Misc/NEWS.d/next/IDLE/2017-09-16-23-43-39.bpo-31493.nmHMCR.rst
new file mode 100644
index 0000000..7fbf7b2
--- /dev/null
+++ b/Misc/NEWS.d/next/IDLE/2017-09-16-23-43-39.bpo-31493.nmHMCR.rst
@@ -0,0 +1,3 @@
+IDLE code context -- fix code update and font update timers.
+
+Canceling timers prevents a warning message when test_idle completes.