Removed the Requirement to Install Python and NodeJS (Now Bundled with Borealis)

Dependencies/Python/Lib/idlelib/stackviewer.py

@@ -0,0 +1,134 @@
+# Rename to stackbrowser or possibly consolidate with browser.
+
+import linecache
+import os
+
+import tkinter as tk
+
+from idlelib.debugobj import ObjectTreeItem, make_objecttreeitem
+from idlelib.tree import TreeNode, TreeItem, ScrolledCanvas
+
+def StackBrowser(root, exc, flist=None, top=None):
+    global sc, item, node  # For testing.
+    if top is None:
+        top = tk.Toplevel(root)
+    sc = ScrolledCanvas(top, bg="white", highlightthickness=0)
+    sc.frame.pack(expand=1, fill="both")
+    item = StackTreeItem(exc, flist)
+    node = TreeNode(sc.canvas, None, item)
+    node.expand()
+
+
+class StackTreeItem(TreeItem):
+
+    def __init__(self, exc, flist=None):
+        self.flist = flist
+        self.stack = self.get_stack(None if exc is None else exc.__traceback__)
+        self.text = f"{type(exc).__name__}: {str(exc)}"
+
+    def get_stack(self, tb):
+        stack = []
+        if tb and tb.tb_frame is None:
+            tb = tb.tb_next
+        while tb is not None:
+            stack.append((tb.tb_frame, tb.tb_lineno))
+            tb = tb.tb_next
+        return stack
+
+    def GetText(self):  # Titlecase names are overrides.
+        return self.text
+
+    def GetSubList(self):
+        sublist = []
+        for info in self.stack:
+            item = FrameTreeItem(info, self.flist)
+            sublist.append(item)
+        return sublist
+
+
+class FrameTreeItem(TreeItem):
+
+    def __init__(self, info, flist):
+        self.info = info
+        self.flist = flist
+
+    def GetText(self):
+        frame, lineno = self.info
+        try:
+            modname = frame.f_globals["__name__"]
+        except:
+            modname = "?"
+        code = frame.f_code
+        filename = code.co_filename
+        funcname = code.co_name
+        sourceline = linecache.getline(filename, lineno)
+        sourceline = sourceline.strip()
+        if funcname in ("?", "", None):
+            item = "%s, line %d: %s" % (modname, lineno, sourceline)
+        else:
+            item = "%s.%s(...), line %d: %s" % (modname, funcname,
+                                             lineno, sourceline)
+        return item
+
+    def GetSubList(self):
+        frame, lineno = self.info
+        sublist = []
+        if frame.f_globals is not frame.f_locals:
+            item = VariablesTreeItem("<locals>", frame.f_locals, self.flist)
+            sublist.append(item)
+        item = VariablesTreeItem("<globals>", frame.f_globals, self.flist)
+        sublist.append(item)
+        return sublist
+
+    def OnDoubleClick(self):
+        if self.flist:
+            frame, lineno = self.info
+            filename = frame.f_code.co_filename
+            if os.path.isfile(filename):
+                self.flist.gotofileline(filename, lineno)
+
+
+class VariablesTreeItem(ObjectTreeItem):
+
+    def GetText(self):
+        return self.labeltext
+
+    def GetLabelText(self):
+        return None
+
+    def IsExpandable(self):
+        return len(self.object) > 0
+
+    def GetSubList(self):
+        sublist = []
+        for key in self.object.keys():  # self.object not necessarily dict.
+            try:
+                value = self.object[key]
+            except KeyError:
+                continue
+            def setfunction(value, key=key, object_=self.object):
+                object_[key] = value
+            item = make_objecttreeitem(key + " =", value, setfunction)
+            sublist.append(item)
+        return sublist
+
+
+def _stackbrowser(parent):  # htest #
+    from idlelib.pyshell import PyShellFileList
+    top = tk.Toplevel(parent)
+    top.title("Test StackViewer")
+    x, y = map(int, parent.geometry().split('+')[1:])
+    top.geometry("+%d+%d" % (x + 50, y + 175))
+    flist = PyShellFileList(top)
+    try: # to obtain a traceback object
+        intentional_name_error
+    except NameError as e:
+        StackBrowser(top, e, flist=flist, top=top)
+
+
+if __name__ == '__main__':
+    from unittest import main
+    main('idlelib.idle_test.test_stackviewer', verbosity=2, exit=False)
+
+    from idlelib.idle_test.htest import run
+    run(_stackbrowser)