Mercurial > cpython-lru_cache-weakref

annotate Lib/idlelib/StackViewer.py @ 80661:94de77bd0b4b 2.7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Issue #16194: document imp.load_dynamic problems when read several extension modules from the same binary object file.
author Andrew Svetlov <andrew.svetlov@gmail.com>
date Thu, 29 Nov 2012 19:51:28 +0200
parents eab361617f6a
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
1 import os
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
2 import sys
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
3 import linecache
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
4
60144
eab361617f6a #7092: Fix additional "-3" warnings in the idlelib package, and convert to absolute imports.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 47183
diff changeset
5 from idlelib.TreeWidget import TreeNode, TreeItem, ScrolledCanvas
eab361617f6a #7092: Fix additional "-3" warnings in the idlelib package, and convert to absolute imports.
Florent Xicluna <florent.xicluna@gmail.com>
parents: 47183
diff changeset
6 from idlelib.ObjectBrowser import ObjectTreeItem, make_objecttreeitem
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
7
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
8 def StackBrowser(root, flist=None, tb=None, top=None):
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
9 if top is None:
47183
b53604fad54b Tkinter rename reversal: remove tkinter package, adapt imports and docs.
Georg Brandl <georg@python.org>
parents: 47101
diff changeset
10 from Tkinter import Toplevel
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
11 top = Toplevel(root)
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
12 sc = ScrolledCanvas(top, bg="white", highlightthickness=0)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
13 sc.frame.pack(expand=1, fill="both")
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
14 item = StackTreeItem(flist, tb)
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
15 node = TreeNode(sc.canvas, None, item)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
16 node.expand()
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
17
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
18 class StackTreeItem(TreeItem):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
19
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
20 def __init__(self, flist=None, tb=None):
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
21 self.flist = flist
26491
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
22 self.stack = self.get_stack(tb)
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
23 self.text = self.get_exception()
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
24
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
25 def get_stack(self, tb):
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
26 if tb is None:
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
27 tb = sys.last_traceback
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
28 stack = []
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
29 if tb and tb.tb_frame is None:
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
30 tb = tb.tb_next
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
31 while tb is not None:
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
32 stack.append((tb.tb_frame, tb.tb_lineno))
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
33 tb = tb.tb_next
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
34 return stack
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
35
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
36 def get_exception(self):
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
37 type = sys.last_type
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
38 value = sys.last_value
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
39 if hasattr(type, "__name__"):
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
40 type = type.__name__
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
41 s = str(type)
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
42 if value is not None:
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
43 s = s + ": " + str(value)
e0b596060313 Remove dead code in get_stack().
Kurt B. Kaiser <kbk@shore.net>
parents: 25316
diff changeset
44 return s
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
45
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
46 def GetText(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
47 return self.text
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
48
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
49 def GetSubList(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
50 sublist = []
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
51 for info in self.stack:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
52 item = FrameTreeItem(info, self.flist)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
53 sublist.append(item)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
54 return sublist
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
55
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
56 class FrameTreeItem(TreeItem):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
57
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
58 def __init__(self, info, flist):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
59 self.info = info
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
60 self.flist = flist
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
61
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
62 def GetText(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
63 frame, lineno = self.info
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
64 try:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
65 modname = frame.f_globals["__name__"]
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
66 except:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
67 modname = "?"
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
68 code = frame.f_code
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
69 filename = code.co_filename
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
70 funcname = code.co_name
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
71 sourceline = linecache.getline(filename, lineno)
25316
df0ff5b17e1a Merge Py Idle changes:
Kurt B. Kaiser <kbk@shore.net>
parents: 24114
diff changeset
72 sourceline = sourceline.strip()
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
73 if funcname in ("?", "", None):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
74 item = "%s, line %d: %s" % (modname, lineno, sourceline)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
75 else:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
76 item = "%s.%s(...), line %d: %s" % (modname, funcname,
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
77 lineno, sourceline)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
78 return item
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
79
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
80 def GetSubList(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
81 frame, lineno = self.info
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
82 sublist = []
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
83 if frame.f_globals is not frame.f_locals:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
84 item = VariablesTreeItem("<locals>", frame.f_locals, self.flist)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
85 sublist.append(item)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
86 item = VariablesTreeItem("<globals>", frame.f_globals, self.flist)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
87 sublist.append(item)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
88 return sublist
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
89
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
90 def OnDoubleClick(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
91 if self.flist:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
92 frame, lineno = self.info
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
93 filename = frame.f_code.co_filename
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
94 if os.path.isfile(filename):
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
95 self.flist.gotofileline(filename, lineno)
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
96
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
97 class VariablesTreeItem(ObjectTreeItem):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
98
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
99 def GetText(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
100 return self.labeltext
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
101
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
102 def GetLabelText(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
103 return None
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
104
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
105 def IsExpandable(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
106 return len(self.object) > 0
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
107
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
108 def keys(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
109 return self.object.keys()
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
110
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
111 def GetSubList(self):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
112 sublist = []
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
113 for key in self.keys():
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
114 try:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
115 value = self.object[key]
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
116 except KeyError:
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
117 continue
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
118 def setfunction(value, key=key, object=self.object):
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
119 object[key] = value
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
120 item = make_objecttreeitem(key + " =", value, setfunction)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
121 sublist.append(item)
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
122 return sublist
18562
f40140588b1e py-cvs-rel2_1 (Rev 1.15) merge - whitespace normalization
Kurt B. Kaiser <kbk@shore.net>
parents: 13975
diff changeset
123
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
124
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
125 def _test():
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
126 try:
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
127 import testcode
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
128 reload(testcode)
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
129 except:
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
130 sys.last_type, sys.last_value, sys.last_traceback = sys.exc_info()
47183
b53604fad54b Tkinter rename reversal: remove tkinter package, adapt imports and docs.
Georg Brandl <georg@python.org>
parents: 47101
diff changeset
131 from Tkinter import Tk
13975
30713d5288df Initial revision
David Scherer <dscherer@cmu.edu>
parents:
diff changeset
132 root = Tk()
18587
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
133 StackBrowser(None, top=root)
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
134 root.mainloop()
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
135
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
136 if __name__ == "__main__":
30414b41fac9 py-cvs-2001_07_13 (Rev 1.16) merge
Kurt B. Kaiser <kbk@shore.net>
parents: 18562
diff changeset
137 _test()