download-deps.py will unzip the download zip file.

Output more detail informations

download-deps.py

@@ -9,37 +9,83 @@
 # be hosted separately.
 #
 
+"""****************************************************************************
+Copyright (c) 2014 cocos2d-x.org
+Copyright (c) 2014 Chukong Technologies Inc.
+
+http://www.cocos2d-x.org
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+****************************************************************************"""
+
+
 import urllib2
 import os.path,zipfile
 import shutil
 import sys
 import traceback
 import distutils
+import fileinput
 
+from optparse import OptionParser
 from time import time
 from sys import stdout
 from distutils.errors import DistutilsError
 from distutils.dir_util import copy_tree, remove_tree
 
-prefix = 'https://github.com/cocos2d/cocos2d-x-external/archive/'
+_workpath=''
-filename = 'v3-deps-1'
-extracted_folder_name='cocos2d-x-resources-' + filename
 
-def download_file(url, file_name):
+# -- Section for configuring file url -----
-    print("--> Ready to download %s from %s" % (file_name, url))
+# github server may not reponse a header information which contains `Content-Length`,
+# therefore, the size needs to be written hardcode here. While server doesn't return
+# `Content-Length`, use it instead
+_zip_file_bytes = 57132755
+_repo_name = 'cocos2d-x-external'
+_filename_prefix = 'v3-deps-1'
+_filename = _filename_prefix + '.zip'
+_downloaded_file_url = 'https://github.com/cocos2d/' + _repo_name + '/archive/' + _filename
+# 'v' letter was swallowed by github, so we need to substring it from the 2nd letter
+_extracted_folder_name = _repo_name + '-' + _filename_prefix[1:]
+# ----------------------------------------
+
+_remove_downloaded_zip_file = None
+
+def get_input_value(prompt):
+    ret = raw_input(prompt)
+    ret.rstrip(" \t")
+    return ret
+
+def download_file(url, filename):
+    print("==> Ready to download '%s' from '%s'" % (filename, url))
 
     u = urllib2.urlopen(url)
-    f = open(file_name, 'wb')
+    f = open(filename, 'wb')
     meta = u.info()
     content_len = meta.getheaders("Content-Length")
     file_size = 0
     if content_len and len(content_len) > 0:
         file_size = int(content_len[0])
-        print("--> Get file size succeed!")
     else:
-        print("WARNING: Couldn't grab the file size, ignore it")
+        print("==> WARNING: Couldn't grab the file size!")
+        file_size = _zip_file_bytes
 
-    print("--> Start to download, please wait ...")
+    print("==> Start to download, please wait ...")
 
     file_size_dl = 0
     block_sz = 8192
@@ -70,7 +116,7 @@ def download_file(url, file_name):
             block_size_per_second = 0
             old_time = new_time
 
-    print("--> Downloading finished!")
+    print("==> Downloading finished!")
     f.close()
 
 def default_filter(src,dst):
@@ -81,6 +127,13 @@ def ensure_directory(target):
     if not os.path.exists(target):
         os.mkdir(target)
 
+
+class UnrecognizedFormat:
+    def __init__(self, prompt):
+        self._prompt = prompt
+    def __str__(self):
+        return self._prompt
+
 def unpack_zipfile(filename, extract_dir, progress_filter=default_filter):
     """Unpack zip `filename` to `extract_dir`
 
@@ -90,8 +143,9 @@ def unpack_zipfile(filename, extract_dir, progress_filter=default_filter):
     """
 
     if not zipfile.is_zipfile(filename):
-        raise UnrecognizedFormat("%s is not a zip file" % (filename,))
+        raise UnrecognizedFormat("%s is not a zip file" % (filename))
 
+    print("==> Extracting files, please wait ...")
     z = zipfile.ZipFile(filename)
     try:
         for info in z.infolist():
@@ -122,31 +176,80 @@ def unpack_zipfile(filename, extract_dir, progress_filter=default_filter):
                 os.chmod(target, unix_attributes)
     finally:
         z.close()
+        print("==> Extraction done!")
+
+
+def ask_to_delete_downloaded_zip_file(filename):
+    ret = get_input_value("==> Whether to delete the downloaded zip file? It may be reused when you execute this script next time! (yes/no): ")
+    ret = ret.strip()
+    if ret != 'yes' and ret != 'no':
+        print("==> Invalid answer, please answer 'yes' or 'no'!")
+        ask_to_delete_downloaded_zip_file(filename)
+
+    if ret == "yes":
+        os.remove(filename)
+
+def download_and_unzip_file(url, filename):
+    if not os.path.isfile(filename):
+        download_file(url, filename)
+    try:
+        unpack_zipfile(filename, _workpath)
+    except UnrecognizedFormat as e:
+        print("==> Unrecognized zip format from your local '%s' file!" % (filename))
+        if os.path.isfile(filename):
+            os.remove(filename)
+        print("==> Download it from internet again, please wait...")
+        download_and_unzip_file(url, filename)
 
 def main():
-    workpath = os.path.dirname(os.path.realpath(__file__))
+    _workpath = os.path.dirname(os.path.realpath(__file__))
 
-    if os.path.exists(extracted_folder_name):
+    if os.path.exists(_extracted_folder_name):
-        shutil.rmtree(extracted_folder_name)
+        shutil.rmtree(_extracted_folder_name)
 
-    # if not os.path.isfile(filename + '.zip'):
+    download_and_unzip_file(_downloaded_file_url, _filename)
-    download_file(prefix+filename+'.zip', filename+'.zip')
 
-    print("--> Extracting files, please wait ...")
+    print("==> Copying files...")
-    # unpack_zipfile(filename+'.zip', workpath)
+    folder_for_extracting = os.path.join(_workpath, 'external')
-    print("--> Extraction done!")
+    if not os.path.exists(folder_for_extracting):
-    print("--> Copying files ...")
+        os.mkdir(folder_for_extracting)
-    # distutils.dir_util.copy_tree(extracted_folder_name, workpath)
+    distutils.dir_util.copy_tree(_extracted_folder_name, folder_for_extracting)
-    print("--> Cleaning ...")
+    print("==> Cleaning...")
-    # if os.path.isfile(filename+'.zip'):
+    if os.path.exists(_extracted_folder_name):
-    #     os.remove(filename+'.zip')
+        shutil.rmtree(_extracted_folder_name)
-    # if os.path.exists(extracted_folder_name):
+    if _remove_downloaded_zip_file:
-    #     shutil.rmtree(extracted_folder_name)
+        if os.path.isfile(_filename):
-    print("--> DONE! Cheers!")
+            os.remove(_filename)
+    else:
+        if os.path.isfile(_filename):
+            ask_to_delete_downloaded_zip_file(_filename)
+    print("==> DONE! Prebuilt libraries were installed successfully! Cheers!")
+
+
+def _check_python_version():
+    major_ver = sys.version_info[0]
+    if major_ver > 2:
+        print ("The python version is %d.%d. But python 2.x is required. (Version 2.7 is well tested)\n"
+               "Download it here: https://www.python.org/" % (major_ver, sys.version_info[1]))
+        return False
+
+    return True
 
 # -------------- main --------------
 if __name__ == '__main__':
     try:
+        if not _check_python_version():
+            exit()
+
+        parser = OptionParser()
+        parser.add_option('-r', '--remove-download',
+                          action="store_true", dest='to_remove_downloaded_zip_file', default=False,
+                          help='Whether to remove downloaded zip file')
+        (opts, args) = parser.parse_args()
+
+        if opts.to_remove_downloaded_zip_file:
+            _remove_downloaded_zip_file = True
+
         main()
     except Exception as e:
         traceback.print_exc()