Revert of Removed virtualenv from depot_tools

bootstrap/win/get_file.js

+// Copyright (c) 2009 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+function Download(url, path, verbose) {
+  if (verbose) {
+    WScript.StdOut.Write(" *  GET " + url + "...");
+  }
+  try {
+    xml_http = new ActiveXObject("MSXML2.ServerXMLHTTP");
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
+        ": Cannot create Active-X object (" + e.description) + ").";
+    WScript.Quit(1);
+  }
+  try {
+    xml_http.open("GET", url, false);
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
+        ": invalid URL.");
+    WScript.Quit(1);
+  }
+
+  var response_body = null;
+  var size_description = "?";
+  var file_size;
+  try {
+    xml_http.send(null);
+    if (xml_http.status != 200) {
+      WScript.StdOut.WriteLine("[-] HTTP " + xml_http.status + " " +
+          xml_http.statusText);
+      WScript.Quit(1);
+    }
+    response_body = xml_http.responseBody;
+    size_description = xml_http.getResponseHeader("Content-Length");
+    if (size_description != "") {
+      file_size = parseInt(size_description)
+      size_description = file_size.toBytes();
+    } else {
+      try {
+        file_size = new Number(xml_http.responseText.length)
+        size_description = file_size.toBytes();
+      } catch(e) {
+        size_description = "unknown size";
+      }
+    }
+  } catch (e) {
+    WScript.StdOut.WriteLine("[-] XMLHTTP " + new Number(e.number).toHex() +
+        ": Cannot make HTTP request (" + e.description) + ")";
+    WScript.Quit(1);
+  }
+
+  if (verbose) {
+    WScript.StdOut.WriteLine("ok (" + size_description + ").");
+    WScript.StdOut.Write(" *  Save " + path + "...");
+  }
+
+  try {
+    var adodb_stream = new ActiveXObject("ADODB.Stream");
+    adodb_stream.Mode = 3; // ReadWrite
+    adodb_stream.Type = 1; // 1= Binary
+    adodb_stream.Open(); // Open the stream
+    adodb_stream.Write(response_body); // Write the data
+    adodb_stream.SaveToFile(path, 2); // Save to our destination
+    adodb_stream.Close();
+  } catch(e) {
+    WScript.StdOut.WriteLine(
+        "[-] ADODB.Stream " + new Number(e.number).toHex() +
+        ": Cannot save file to " + path + ": " + e.description);
+    WScript.Quit(1);
+  }
+  if (typeof(file_size) != undefined) {
+    var file_system_object = WScript.CreateObject("Scripting.FileSystemObject")
+    var file = file_system_object.GetFile(path)
+    if (file.Size < file_size) {
+      WScript.StdOut.WriteLine("[-] File only partially downloaded.");
+      WScript.Quit(1);
+    }
+  }
+  if (verbose) {
+    WScript.StdOut.WriteLine("ok.");
+  }
+}
+
+// Utilities
+Number.prototype.isInt = function NumberIsInt() {
+  return this % 1 == 0;
+};
+Number.prototype.toBytes = function NumberToBytes() {
+  // Returns a "pretty" string representation of a number of bytes:
+  var units = ["KB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB"];
+  var unit = "bytes";
+  var limit = 1;
+  while(this > limit * 1100 && units.length > 0) {
+    limit *= 1024;
+    unit = units.shift();
+  }
+  return (Math.round(this * 100 / limit) / 100).toString() + " " + unit;
+};
+Number.prototype.toHex = function NumberToHex(length) {
+  if (arguments.length == 0) length = 1;
+  if (typeof(length) != "number" && !(length instanceof Number)) {
+    throw Exception("Length must be a positive integer larger than 0.",
+        TypeError, 0);
+  }
+  if (length < 1 || !length.isInt()) {
+    throw Exception("Length must be a positive integer larger than 0.",
+        "RangeError", 0);
+  }
+  var result = (this + (this < 0 ? 0x100000000 : 0)).toString(16);
+  while (result.length < length) result = "0" + result;
+  return result;
+};
+
+if (WScript.Arguments.length != 2) {
+  WScript.StdOut.Write("Incorrect arguments to get_file.js")
+} else {
+  Download(WScript.Arguments(0), WScript.Arguments(1), false);
+}