David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 1 | # XXX TO DO: |
| 2 | # - popup menu |
| 3 | # - support partial or total redisplay |
| 4 | # - more doc strings |
| 5 | # - tooltips |
| 6 | |
| 7 | # object browser |
| 8 | |
| 9 | # XXX TO DO: |
| 10 | # - for classes/modules, add "open source" to object browser |
| 11 | |
Terry Jan Reedy | 1b392ff | 2014-05-24 18:48:18 -0400 | [diff] [blame] | 12 | import re |
| 13 | |
Kurt B. Kaiser | 2d7f6a0 | 2007-08-22 23:01:33 +0000 | [diff] [blame] | 14 | from idlelib.TreeWidget import TreeItem, TreeNode, ScrolledCanvas |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 15 | |
Alexandre Vassalotti | 1f2ba4b | 2008-05-16 07:12:44 +0000 | [diff] [blame] | 16 | from reprlib import Repr |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 17 | |
| 18 | myrepr = Repr() |
| 19 | myrepr.maxstring = 100 |
| 20 | myrepr.maxother = 100 |
| 21 | |
| 22 | class ObjectTreeItem(TreeItem): |
| 23 | def __init__(self, labeltext, object, setfunction=None): |
| 24 | self.labeltext = labeltext |
| 25 | self.object = object |
| 26 | self.setfunction = setfunction |
| 27 | def GetLabelText(self): |
| 28 | return self.labeltext |
| 29 | def GetText(self): |
| 30 | return myrepr.repr(self.object) |
| 31 | def GetIconName(self): |
| 32 | if not self.IsExpandable(): |
| 33 | return "python" |
| 34 | def IsEditable(self): |
| 35 | return self.setfunction is not None |
| 36 | def SetText(self, text): |
| 37 | try: |
| 38 | value = eval(text) |
| 39 | self.setfunction(value) |
| 40 | except: |
| 41 | pass |
| 42 | else: |
| 43 | self.object = value |
| 44 | def IsExpandable(self): |
| 45 | return not not dir(self.object) |
| 46 | def GetSubList(self): |
| 47 | keys = dir(self.object) |
| 48 | sublist = [] |
| 49 | for key in keys: |
| 50 | try: |
| 51 | value = getattr(self.object, key) |
| 52 | except AttributeError: |
| 53 | continue |
| 54 | item = make_objecttreeitem( |
| 55 | str(key) + " =", |
| 56 | value, |
| 57 | lambda value, key=key, object=self.object: |
| 58 | setattr(object, key, value)) |
| 59 | sublist.append(item) |
| 60 | return sublist |
| 61 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 62 | class ClassTreeItem(ObjectTreeItem): |
| 63 | def IsExpandable(self): |
Kurt B. Kaiser | 33931ef | 2002-09-16 22:16:05 +0000 | [diff] [blame] | 64 | return True |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 65 | def GetSubList(self): |
| 66 | sublist = ObjectTreeItem.GetSubList(self) |
| 67 | if len(self.object.__bases__) == 1: |
| 68 | item = make_objecttreeitem("__bases__[0] =", |
| 69 | self.object.__bases__[0]) |
| 70 | else: |
| 71 | item = make_objecttreeitem("__bases__ =", self.object.__bases__) |
| 72 | sublist.insert(0, item) |
| 73 | return sublist |
| 74 | |
| 75 | class AtomicObjectTreeItem(ObjectTreeItem): |
| 76 | def IsExpandable(self): |
| 77 | return 0 |
| 78 | |
| 79 | class SequenceTreeItem(ObjectTreeItem): |
| 80 | def IsExpandable(self): |
| 81 | return len(self.object) > 0 |
| 82 | def keys(self): |
| 83 | return range(len(self.object)) |
| 84 | def GetSubList(self): |
| 85 | sublist = [] |
| 86 | for key in self.keys(): |
| 87 | try: |
| 88 | value = self.object[key] |
| 89 | except KeyError: |
| 90 | continue |
| 91 | def setfunction(value, key=key, object=self.object): |
| 92 | object[key] = value |
Walter Dörwald | 70a6b49 | 2004-02-12 17:35:32 +0000 | [diff] [blame] | 93 | item = make_objecttreeitem("%r:" % (key,), value, setfunction) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 94 | sublist.append(item) |
| 95 | return sublist |
| 96 | |
| 97 | class DictTreeItem(SequenceTreeItem): |
| 98 | def keys(self): |
Kurt B. Kaiser | e071277 | 2007-08-23 05:25:55 +0000 | [diff] [blame] | 99 | keys = list(self.object.keys()) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 100 | try: |
| 101 | keys.sort() |
| 102 | except: |
| 103 | pass |
| 104 | return keys |
| 105 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 106 | dispatch = { |
Guido van Rossum | 1325790 | 2007-06-07 23:15:56 +0000 | [diff] [blame] | 107 | int: AtomicObjectTreeItem, |
| 108 | float: AtomicObjectTreeItem, |
| 109 | str: AtomicObjectTreeItem, |
| 110 | tuple: SequenceTreeItem, |
| 111 | list: SequenceTreeItem, |
| 112 | dict: DictTreeItem, |
| 113 | type: ClassTreeItem, |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 114 | } |
| 115 | |
| 116 | def make_objecttreeitem(labeltext, object, setfunction=None): |
| 117 | t = type(object) |
Guido van Rossum | 811c4e0 | 2006-08-22 15:45:46 +0000 | [diff] [blame] | 118 | if t in dispatch: |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 119 | c = dispatch[t] |
| 120 | else: |
| 121 | c = ObjectTreeItem |
| 122 | return c(labeltext, object, setfunction) |
| 123 | |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 124 | |
Terry Jan Reedy | 1b392ff | 2014-05-24 18:48:18 -0400 | [diff] [blame] | 125 | def _object_browser(parent): |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 126 | import sys |
Georg Brandl | 14fc427 | 2008-05-17 18:39:55 +0000 | [diff] [blame] | 127 | from tkinter import Tk |
Kurt B. Kaiser | 6a945a5 | 2001-07-13 17:57:37 +0000 | [diff] [blame] | 128 | root = Tk() |
Terry Jan Reedy | 2e8234a | 2014-05-29 01:46:26 -0400 | [diff] [blame] | 129 | root.title("Test ObjectBrowser") |
Terry Jan Reedy | 1b392ff | 2014-05-24 18:48:18 -0400 | [diff] [blame] | 130 | width, height, x, y = list(map(int, re.split('[x+]', parent.geometry()))) |
Terry Jan Reedy | 2e8234a | 2014-05-29 01:46:26 -0400 | [diff] [blame] | 131 | root.geometry("+%d+%d"%(x, y + 150)) |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 132 | root.configure(bd=0, bg="yellow") |
| 133 | root.focus_set() |
| 134 | sc = ScrolledCanvas(root, bg="white", highlightthickness=0, takefocus=1) |
| 135 | sc.frame.pack(expand=1, fill="both") |
| 136 | item = make_objecttreeitem("sys", sys) |
| 137 | node = TreeNode(sc.canvas, None, item) |
Kurt B. Kaiser | 6a945a5 | 2001-07-13 17:57:37 +0000 | [diff] [blame] | 138 | node.update() |
| 139 | root.mainloop() |
David Scherer | 7aced17 | 2000-08-15 01:13:23 +0000 | [diff] [blame] | 140 | |
| 141 | if __name__ == '__main__': |
Terry Jan Reedy | 1b392ff | 2014-05-24 18:48:18 -0400 | [diff] [blame] | 142 | from idlelib.idle_test.htest import run |
| 143 | run(_object_browser) |