David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 1 | import linecache |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 2 | import os |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 3 | import sys |
| 4 | |
Terry Jan Reedy | a2fc99e | 2014-05-25 18:44:05 -0400 | [diff] [blame] | 5 | import tkinter as tk |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 6 | |
Terry Jan Reedy | 6fa5bdc | 2016-05-28 13:22:31 -0400 | [diff] [blame] | 7 | from idlelib.debugobj import ObjectTreeItem, make_objecttreeitem |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 8 | from idlelib.tree import TreeNode, TreeItem, ScrolledCanvas |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 9 | |
Kurt B. Kaiser | a4c9be8 | 2001-07-14 05:15:29 +0000 | [diff] [blame] | 10 | def StackBrowser(root, flist=None, tb=None, top=None): |
| 11 | if top is None: |
Terry Jan Reedy | a78ebe6 | 2015-08-18 13:26:57 -0400 | [diff] [blame] | 12 | top = tk.Toplevel(root) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 13 | sc = ScrolledCanvas(top, bg="white", highlightthickness=0) |
| 14 | sc.frame.pack(expand=1, fill="both") |
Kurt B. Kaiser | a4c9be8 | 2001-07-14 05:15:29 +0000 | [diff] [blame] | 15 | item = StackTreeItem(flist, tb) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 16 | node = TreeNode(sc.canvas, None, item) |
| 17 | node.expand() |
| 18 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 19 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 20 | class StackTreeItem(TreeItem): |
| 21 | |
Kurt B. Kaiser | a4c9be8 | 2001-07-14 05:15:29 +0000 | [diff] [blame] | 22 | def __init__(self, flist=None, tb=None): |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 23 | self.flist = flist |
Kurt B. Kaiser | 5f7c4b3 | 2002-12-02 05:08:54 +0000 | [diff] [blame] | 24 | self.stack = self.get_stack(tb) |
| 25 | self.text = self.get_exception() |
| 26 | |
| 27 | def get_stack(self, tb): |
| 28 | if tb is None: |
| 29 | tb = sys.last_traceback |
| 30 | stack = [] |
| 31 | if tb and tb.tb_frame is None: |
| 32 | tb = tb.tb_next |
| 33 | while tb is not None: |
| 34 | stack.append((tb.tb_frame, tb.tb_lineno)) |
| 35 | tb = tb.tb_next |
| 36 | return stack |
| 37 | |
| 38 | def get_exception(self): |
| 39 | type = sys.last_type |
| 40 | value = sys.last_value |
| 41 | if hasattr(type, "__name__"): |
| 42 | type = type.__name__ |
| 43 | s = str(type) |
| 44 | if value is not None: |
| 45 | s = s + ": " + str(value) |
| 46 | return s |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 47 | |
| 48 | def GetText(self): |
| 49 | return self.text |
| 50 | |
| 51 | def GetSubList(self): |
| 52 | sublist = [] |
| 53 | for info in self.stack: |
| 54 | item = FrameTreeItem(info, self.flist) |
| 55 | sublist.append(item) |
| 56 | return sublist |
| 57 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 58 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 59 | class FrameTreeItem(TreeItem): |
| 60 | |
| 61 | def __init__(self, info, flist): |
| 62 | self.info = info |
| 63 | self.flist = flist |
| 64 | |
| 65 | def GetText(self): |
| 66 | frame, lineno = self.info |
| 67 | try: |
| 68 | modname = frame.f_globals["__name__"] |
| 69 | except: |
| 70 | modname = "?" |
| 71 | code = frame.f_code |
| 72 | filename = code.co_filename |
| 73 | funcname = code.co_name |
| 74 | sourceline = linecache.getline(filename, lineno) |
Kurt B. Kaiser | 7879ad0 | 2002-09-18 03:15:56 +0000 | [diff] [blame] | 75 | sourceline = sourceline.strip() |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 76 | if funcname in ("?", "", None): |
| 77 | item = "%s, line %d: %s" % (modname, lineno, sourceline) |
| 78 | else: |
| 79 | item = "%s.%s(...), line %d: %s" % (modname, funcname, |
| 80 | lineno, sourceline) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 81 | return item |
| 82 | |
| 83 | def GetSubList(self): |
| 84 | frame, lineno = self.info |
| 85 | sublist = [] |
| 86 | if frame.f_globals is not frame.f_locals: |
| 87 | item = VariablesTreeItem("<locals>", frame.f_locals, self.flist) |
| 88 | sublist.append(item) |
| 89 | item = VariablesTreeItem("<globals>", frame.f_globals, self.flist) |
| 90 | sublist.append(item) |
| 91 | return sublist |
| 92 | |
| 93 | def OnDoubleClick(self): |
| 94 | if self.flist: |
| 95 | frame, lineno = self.info |
| 96 | filename = frame.f_code.co_filename |
Kurt B. Kaiser | a4c9be8 | 2001-07-14 05:15:29 +0000 | [diff] [blame] | 97 | if os.path.isfile(filename): |
| 98 | self.flist.gotofileline(filename, lineno) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 99 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 100 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 101 | class VariablesTreeItem(ObjectTreeItem): |
| 102 | |
| 103 | def GetText(self): |
| 104 | return self.labeltext |
| 105 | |
| 106 | def GetLabelText(self): |
| 107 | return None |
| 108 | |
| 109 | def IsExpandable(self): |
| 110 | return len(self.object) > 0 |
| 111 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 112 | def GetSubList(self): |
| 113 | sublist = [] |
Terry Jan Reedy | a78ebe6 | 2015-08-18 13:26:57 -0400 | [diff] [blame] | 114 | for key in self.object.keys(): |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 115 | try: |
| 116 | value = self.object[key] |
| 117 | except KeyError: |
| 118 | continue |
| 119 | def setfunction(value, key=key, object=self.object): |
| 120 | object[key] = value |
| 121 | item = make_objecttreeitem(key + " =", value, setfunction) |
| 122 | sublist.append(item) |
| 123 | return sublist |
Terry Jan Reedy | a2fc99e | 2014-05-25 18:44:05 -0400 | [diff] [blame] | 124 | |
Terry Jan Reedy | bfbaa6b | 2016-08-31 00:50:55 -0400 | [diff] [blame] | 125 | |
Terry Jan Reedy | a748032 | 2016-07-10 17:28:10 -0400 | [diff] [blame] | 126 | def _stack_viewer(parent): # htest # |
Terry Jan Reedy | 6cf0e13 | 2016-07-15 02:43:03 -0400 | [diff] [blame] | 127 | from idlelib.pyshell import PyShellFileList |
Terry Jan Reedy | b60adc5 | 2016-06-21 18:41:38 -0400 | [diff] [blame] | 128 | top = tk.Toplevel(parent) |
| 129 | top.title("Test StackViewer") |
Terry Jan Reedy | a748032 | 2016-07-10 17:28:10 -0400 | [diff] [blame] | 130 | x, y = map(int, parent.geometry().split('+')[1:]) |
| 131 | top.geometry("+%d+%d" % (x + 50, y + 175)) |
Terry Jan Reedy | b60adc5 | 2016-06-21 18:41:38 -0400 | [diff] [blame] | 132 | flist = PyShellFileList(top) |
Terry Jan Reedy | a2fc99e | 2014-05-25 18:44:05 -0400 | [diff] [blame] | 133 | try: # to obtain a traceback object |
Terry Jan Reedy | 092b3cf | 2014-07-01 21:33:31 -0400 | [diff] [blame] | 134 | intentional_name_error |
| 135 | except NameError: |
Terry Jan Reedy | a2fc99e | 2014-05-25 18:44:05 -0400 | [diff] [blame] | 136 | exc_type, exc_value, exc_tb = sys.exc_info() |
| 137 | |
| 138 | # inject stack trace to sys |
| 139 | sys.last_type = exc_type |
| 140 | sys.last_value = exc_value |
| 141 | sys.last_traceback = exc_tb |
| 142 | |
Terry Jan Reedy | b60adc5 | 2016-06-21 18:41:38 -0400 | [diff] [blame] | 143 | StackBrowser(top, flist=flist, top=top, tb=exc_tb) |
Terry Jan Reedy | a2fc99e | 2014-05-25 18:44:05 -0400 | [diff] [blame] | 144 | |
| 145 | # restore sys to original state |
| 146 | del sys.last_type |
| 147 | del sys.last_value |
| 148 | del sys.last_traceback |
| 149 | |
| 150 | if __name__ == '__main__': |
| 151 | from idlelib.idle_test.htest import run |
| 152 | run(_stack_viewer) |