1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
|
# Rename to stackbrowser or possibly consolidate with browser.
import linecache
import os
import tkinter as tk
from idlelib.debugobj import ObjectTreeItem, make_objecttreeitem
from idlelib.tree import TreeNode, TreeItem, ScrolledCanvas
def StackBrowser(root, exc, flist=None, top=None):
global sc, item, node # For testing.
if top is None:
top = tk.Toplevel(root)
sc = ScrolledCanvas(top, bg="white", highlightthickness=0)
sc.frame.pack(expand=1, fill="both")
item = StackTreeItem(exc, flist)
node = TreeNode(sc.canvas, None, item)
node.expand()
class StackTreeItem(TreeItem):
def __init__(self, exc, flist=None):
self.flist = flist
self.stack = self.get_stack(None if exc is None else exc.__traceback__)
self.text = f"{type(exc).__name__}: {str(exc)}"
def get_stack(self, tb):
stack = []
if tb and tb.tb_frame is None:
tb = tb.tb_next
while tb is not None:
stack.append((tb.tb_frame, tb.tb_lineno))
tb = tb.tb_next
return stack
def GetText(self): # Titlecase names are overrides.
return self.text
def GetSubList(self):
sublist = []
for info in self.stack:
item = FrameTreeItem(info, self.flist)
sublist.append(item)
return sublist
class FrameTreeItem(TreeItem):
def __init__(self, info, flist):
self.info = info
self.flist = flist
def GetText(self):
frame, lineno = self.info
try:
modname = frame.f_globals["__name__"]
except:
modname = "?"
code = frame.f_code
filename = code.co_filename
funcname = code.co_name
sourceline = linecache.getline(filename, lineno)
sourceline = sourceline.strip()
if funcname in ("?", "", None):
item = "%s, line %d: %s" % (modname, lineno, sourceline)
else:
item = "%s.%s(...), line %d: %s" % (modname, funcname,
lineno, sourceline)
return item
def GetSubList(self):
frame, lineno = self.info
sublist = []
if frame.f_globals is not frame.f_locals:
item = VariablesTreeItem("<locals>", frame.f_locals, self.flist)
sublist.append(item)
item = VariablesTreeItem("<globals>", frame.f_globals, self.flist)
sublist.append(item)
return sublist
def OnDoubleClick(self):
if self.flist:
frame, lineno = self.info
filename = frame.f_code.co_filename
if os.path.isfile(filename):
self.flist.gotofileline(filename, lineno)
class VariablesTreeItem(ObjectTreeItem):
def GetText(self):
return self.labeltext
def GetLabelText(self):
return None
def IsExpandable(self):
return len(self.object) > 0
def GetSubList(self):
sublist = []
for key in self.object.keys(): # self.object not necessarily dict.
try:
value = self.object[key]
except KeyError:
continue
def setfunction(value, key=key, object_=self.object):
object_[key] = value
item = make_objecttreeitem(key + " =", value, setfunction)
sublist.append(item)
return sublist
def _stackbrowser(parent): # htest #
from idlelib.pyshell import PyShellFileList
top = tk.Toplevel(parent)
top.title("Test StackViewer")
x, y = map(int, parent.geometry().split('+')[1:])
top.geometry("+%d+%d" % (x + 50, y + 175))
flist = PyShellFileList(top)
try: # to obtain a traceback object
intentional_name_error
except NameError as e:
StackBrowser(top, e, flist=flist, top=top)
if __name__ == '__main__':
from unittest import main
main('idlelib.idle_test.test_stackviewer', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(_stackbrowser)
|
