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
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
|
"""Module browser.
XXX TO DO:
- reparse when source changed (maybe just a button would be OK?)
(or recheck on window popup)
- add popup menu with more options (e.g. doc strings, base classes, imports)
- add base classes to class browser tree
- finish removing limitation to x.py files (ModuleBrowserTreeItem)
"""
import os
import pyclbr
import sys
from idlelib.config import idleConf
from idlelib import pyshell
from idlelib.tree import TreeNode, TreeItem, ScrolledCanvas
from idlelib.window import ListedToplevel
file_open = None # Method...Item and Class...Item use this.
# Normally pyshell.flist.open, but there is no pyshell.flist for htest.
def transform_children(child_dict, modname=None):
"""Transform a child dictionary to an ordered sequence of objects.
The dictionary maps names to pyclbr information objects.
Filter out imported objects.
Augment class names with bases.
The insertion order of the dictonary is assumed to have been in line
number order, so sorting is not necessary.
The current tree only calls this once per child_dict as it saves
TreeItems once created. A future tree and tests might violate this,
so a check prevents multiple in-place augmentations.
"""
obs = [] # Use list since values should already be sorted.
for key, obj in child_dict.items():
if modname is None or obj.module == modname:
if hasattr(obj, 'super') and obj.super and obj.name == key:
# If obj.name != key, it has already been suffixed.
supers = []
for sup in obj.super:
if type(sup) is type(''):
sname = sup
else:
sname = sup.name
if sup.module != obj.module:
sname = f'{sup.module}.{sname}'
supers.append(sname)
obj.name += '({})'.format(', '.join(supers))
obs.append(obj)
return obs
class ModuleBrowser:
"""Browse module classes and functions in IDLE.
"""
# This class is also the base class for pathbrowser.PathBrowser.
# Init and close are inherited, other methods are overridden.
# PathBrowser.__init__ does not call __init__ below.
def __init__(self, master, path, *, _htest=False, _utest=False):
"""Create a window for browsing a module's structure.
Args:
master: parent for widgets.
path: full path of file to browse.
_htest - bool; change box location when running htest.
-utest - bool; suppress contents when running unittest.
Global variables:
file_open: Function used for opening a file.
Instance variables:
name: Module name.
file: Full path and module with .py extension. Used in
creating ModuleBrowserTreeItem as the rootnode for
the tree and subsequently in the children.
"""
self.master = master
self.path = path
self._htest = _htest
self._utest = _utest
self.init()
def close(self, event=None):
"Dismiss the window and the tree nodes."
self.top.destroy()
self.node.destroy()
def init(self):
"Create browser tkinter widgets, including the tree."
global file_open
root = self.master
flist = (pyshell.flist if not (self._htest or self._utest)
else pyshell.PyShellFileList(root))
file_open = flist.open
pyclbr._modules.clear()
# create top
self.top = top = ListedToplevel(root)
top.protocol("WM_DELETE_WINDOW", self.close)
top.bind("<Escape>", self.close)
if self._htest: # place dialog below parent if running htest
top.geometry("+%d+%d" %
(root.winfo_rootx(), root.winfo_rooty() + 200))
self.settitle()
top.focus_set()
# create scrolled canvas
theme = idleConf.CurrentTheme()
background = idleConf.GetHighlight(theme, 'normal')['background']
sc = ScrolledCanvas(top, bg=background, highlightthickness=0,
takefocus=1)
sc.frame.pack(expand=1, fill="both")
item = self.rootnode()
self.node = node = TreeNode(sc.canvas, None, item)
if not self._utest:
node.update()
node.expand()
def settitle(self):
"Set the window title."
self.top.wm_title("Module Browser - " + os.path.basename(self.path))
self.top.wm_iconname("Module Browser")
def rootnode(self):
"Return a ModuleBrowserTreeItem as the root of the tree."
return ModuleBrowserTreeItem(self.path)
class ModuleBrowserTreeItem(TreeItem):
"""Browser tree for Python module.
Uses TreeItem as the basis for the structure of the tree.
Used by both browsers.
"""
def __init__(self, file):
"""Create a TreeItem for the file.
Args:
file: Full path and module name.
"""
self.file = file
def GetText(self):
"Return the module name as the text string to display."
return os.path.basename(self.file)
def GetIconName(self):
"Return the name of the icon to display."
return "python"
def GetSubList(self):
"Return ChildBrowserTreeItems for children."
return [ChildBrowserTreeItem(obj) for obj in self.listchildren()]
def OnDoubleClick(self):
"Open a module in an editor window when double clicked."
if os.path.normcase(self.file[-3:]) != ".py":
return
if not os.path.exists(self.file):
return
file_open(self.file)
def IsExpandable(self):
"Return True if Python (.py) file."
return os.path.normcase(self.file[-3:]) == ".py"
def listchildren(self):
"Return sequenced classes and functions in the module."
dir, base = os.path.split(self.file)
name, ext = os.path.splitext(base)
if os.path.normcase(ext) != ".py":
return []
try:
tree = pyclbr.readmodule_ex(name, [dir] + sys.path)
except ImportError:
return []
return transform_children(tree, name)
class ChildBrowserTreeItem(TreeItem):
"""Browser tree for child nodes within the module.
Uses TreeItem as the basis for the structure of the tree.
"""
def __init__(self, obj):
"Create a TreeItem for a pyclbr class/function object."
self.obj = obj
self.name = obj.name
self.isfunction = isinstance(obj, pyclbr.Function)
def GetText(self):
"Return the name of the function/class to display."
name = self.name
if self.isfunction:
return "def " + name + "(...)"
else:
return "class " + name
def GetIconName(self):
"Return the name of the icon to display."
if self.isfunction:
return "python"
else:
return "folder"
def IsExpandable(self):
"Return True if self.obj has nested objects."
return self.obj.children != {}
def GetSubList(self):
"Return ChildBrowserTreeItems for children."
return [ChildBrowserTreeItem(obj)
for obj in transform_children(self.obj.children)]
def OnDoubleClick(self):
"Open module with file_open and position to lineno."
try:
edit = file_open(self.obj.file)
edit.gotoline(self.obj.lineno)
except (OSError, AttributeError):
pass
def _module_browser(parent): # htest #
if len(sys.argv) > 1: # If pass file on command line.
file = sys.argv[1]
else:
file = __file__
# Add nested objects for htest.
class Nested_in_func(TreeNode):
def nested_in_class(): pass
def closure():
class Nested_in_closure: pass
ModuleBrowser(parent, file, _htest=True)
if __name__ == "__main__":
if len(sys.argv) == 1: # If pass file on command line, unittest fails.
from unittest import main
main('idlelib.idle_test.test_browser', verbosity=2, exit=False)
from idlelib.idle_test.htest import run
run(_module_browser)
|
