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Diffstat (limited to 'lib-python/3/idlelib/ClassBrowser.py')
| -rw-r--r-- | lib-python/3/idlelib/ClassBrowser.py | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/lib-python/3/idlelib/ClassBrowser.py b/lib-python/3/idlelib/ClassBrowser.py new file mode 100644 index 0000000000..71176cd701 --- /dev/null +++ b/lib-python/3/idlelib/ClassBrowser.py @@ -0,0 +1,221 @@ +"""Class 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) +- show function argument list? (have to do pattern matching on source) +- should the classes and methods lists also be in the module's menu bar? +- add base classes to class browser tree +""" + +import os +import sys +import pyclbr + +from idlelib import PyShell +from idlelib.WindowList import ListedToplevel +from idlelib.TreeWidget import TreeNode, TreeItem, ScrolledCanvas +from idlelib.configHandler import idleConf + +class ClassBrowser: + + def __init__(self, flist, name, path): + # XXX This API should change, if the file doesn't end in ".py" + # XXX the code here is bogus! + self.name = name + self.file = os.path.join(path[0], self.name + ".py") + self.init(flist) + + def close(self, event=None): + self.top.destroy() + self.node.destroy() + + def init(self, flist): + self.flist = flist + # reset pyclbr + pyclbr._modules.clear() + # create top + self.top = top = ListedToplevel(flist.root) + top.protocol("WM_DELETE_WINDOW", self.close) + top.bind("<Escape>", self.close) + self.settitle() + top.focus_set() + # create scrolled canvas + theme = idleConf.GetOption('main','Theme','name') + 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) + node.update() + node.expand() + + def settitle(self): + self.top.wm_title("Class Browser - " + self.name) + self.top.wm_iconname("Class Browser") + + def rootnode(self): + return ModuleBrowserTreeItem(self.file) + +class ModuleBrowserTreeItem(TreeItem): + + def __init__(self, file): + self.file = file + + def GetText(self): + return os.path.basename(self.file) + + def GetIconName(self): + return "python" + + def GetSubList(self): + sublist = [] + for name in self.listclasses(): + item = ClassBrowserTreeItem(name, self.classes, self.file) + sublist.append(item) + return sublist + + def OnDoubleClick(self): + if os.path.normcase(self.file[-3:]) != ".py": + return + if not os.path.exists(self.file): + return + PyShell.flist.open(self.file) + + def IsExpandable(self): + return os.path.normcase(self.file[-3:]) == ".py" + + def listclasses(self): + dir, file = os.path.split(self.file) + name, ext = os.path.splitext(file) + if os.path.normcase(ext) != ".py": + return [] + try: + dict = pyclbr.readmodule_ex(name, [dir] + sys.path) + except ImportError as msg: + return [] + items = [] + self.classes = {} + for key, cl in dict.items(): + if cl.module == name: + s = key + if hasattr(cl, 'super') and cl.super: + supers = [] + for sup in cl.super: + if type(sup) is type(''): + sname = sup + else: + sname = sup.name + if sup.module != cl.module: + sname = "%s.%s" % (sup.module, sname) + supers.append(sname) + s = s + "(%s)" % ", ".join(supers) + items.append((cl.lineno, s)) + self.classes[s] = cl + items.sort() + list = [] + for item, s in items: + list.append(s) + return list + +class ClassBrowserTreeItem(TreeItem): + + def __init__(self, name, classes, file): + self.name = name + self.classes = classes + self.file = file + try: + self.cl = self.classes[self.name] + except (IndexError, KeyError): + self.cl = None + self.isfunction = isinstance(self.cl, pyclbr.Function) + + def GetText(self): + if self.isfunction: + return "def " + self.name + "(...)" + else: + return "class " + self.name + + def GetIconName(self): + if self.isfunction: + return "python" + else: + return "folder" + + def IsExpandable(self): + if self.cl: + try: + return not not self.cl.methods + except AttributeError: + return False + + def GetSubList(self): + if not self.cl: + return [] + sublist = [] + for name in self.listmethods(): + item = MethodBrowserTreeItem(name, self.cl, self.file) + sublist.append(item) + return sublist + + def OnDoubleClick(self): + if not os.path.exists(self.file): + return + edit = PyShell.flist.open(self.file) + if hasattr(self.cl, 'lineno'): + lineno = self.cl.lineno + edit.gotoline(lineno) + + def listmethods(self): + if not self.cl: + return [] + items = [] + for name, lineno in self.cl.methods.items(): + items.append((lineno, name)) + items.sort() + list = [] + for item, name in items: + list.append(name) + return list + +class MethodBrowserTreeItem(TreeItem): + + def __init__(self, name, cl, file): + self.name = name + self.cl = cl + self.file = file + + def GetText(self): + return "def " + self.name + "(...)" + + def GetIconName(self): + return "python" # XXX + + def IsExpandable(self): + return 0 + + def OnDoubleClick(self): + if not os.path.exists(self.file): + return + edit = PyShell.flist.open(self.file) + edit.gotoline(self.cl.methods[self.name]) + +def main(): + try: + file = __file__ + except NameError: + file = sys.argv[0] + if sys.argv[1:]: + file = sys.argv[1] + else: + file = sys.argv[0] + dir, file = os.path.split(file) + name = os.path.splitext(file)[0] + ClassBrowser(PyShell.flist, name, [dir]) + if sys.stdin is sys.__stdin__: + mainloop() + +if __name__ == "__main__": + main() |