/usr/lib/python3.6/idlelib/browser.py is in idle-python3.6 3.6.5-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | """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
from idlelib import _pyclbr as pyclbr
import sys
from idlelib.config import idleConf
from idlelib import pyshell
from idlelib.tree import TreeNode, TreeItem, ScrolledCanvas
from idlelib.windows 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.
Sort objects by line number.
The current tree only calls this once per child_dic 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 sorted(obs, key=lambda o: o.lineno)
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)
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