From 6174324744595771c008c8398e41b91676581673 Mon Sep 17 00:00:00 2001
From: zy5015 <zy5015@ic.ac.uk>
Date: Fri, 12 May 2017 15:26:29 +0100
Subject: [PATCH] update download.py according to
 https://github.com/carpedm20/DCGAN-tensorflow/blob/master/download.py

---
 download.py | 58 ++++++++++++++++++++++++++++++++++++++++++-----------
 1 file changed, 46 insertions(+), 12 deletions(-)

diff --git a/download.py b/download.py
index 00a00aa..078afec 100755
--- a/download.py
+++ b/download.py
@@ -49,6 +49,33 @@ def download(url, dirpath):
     f.close()
     return filepath
 
+def download_file_from_google_drive(id, destination):    
+    URL = "https://docs.google.com/uc?export=download"
+    session = requests.Session()
+
+    response = session.get(URL, params={ 'id': id }, stream=True)
+    token = get_confirm_token(response)
+
+    if token:
+        params = { 'id' : id, 'confirm' : token }
+        response = session.get(URL, params=params, stream=True)
+
+    save_response_content(response, destination)
+
+def get_confirm_token(response):
+    for key, value in response.cookies.items():
+        if key.startswith('download_warning'):
+            return value
+    return None
+
+def save_response_content(response, destination, chunk_size=32*1024):
+    total_size = int(response.headers.get('content-length', 0))
+    with open(destination, "wb") as f:
+        for chunk in tqdm(response.iter_content(chunk_size), total=total_size,
+                unit='B', unit_scale=True, desc=destination):
+            if chunk: # filter out keep-alive new chunks
+                f.write(chunk)
+
 def unzip(filepath):
     print("Extracting: " + filepath)
     dirpath = os.path.dirname(filepath)
@@ -57,18 +84,25 @@ def unzip(filepath):
     os.remove(filepath)
 
 def download_celeb_a(dirpath):
-    data_dir = 'celebA'
-    if os.path.exists(os.path.join(dirpath, data_dir)):
-        print('Found Celeb-A - skip')
-        return
-    url = 'https://www.dropbox.com/sh/8oqt9vytwxb3s4r/AADIKlz8PR9zr6Y20qbkunrba/Img/img_align_celeba.zip?dl=1&pv=1'
-    filepath = download(url, dirpath)
-    zip_dir = ''
-    with zipfile.ZipFile(filepath) as zf:
-        zip_dir = zf.namelist()[0]
-        zf.extractall(dirpath)
-    os.remove(filepath)
-    os.rename(os.path.join(dirpath, zip_dir), os.path.join(dirpath, data_dir))
+	data_dir = 'celebA'
+	if os.path.exists(os.path.join(dirpath, data_dir)):
+		print('Found Celeb-A - skip')
+		return
+
+	filename, drive_id  = "img_align_celeba.zip", "0B7EVK8r0v71pZjFTYXZWM3FlRnM"
+	save_path = os.path.join(dirpath, filename)
+
+	if os.path.exists(save_path):
+		print('[*] {} already exists'.format(save_path))
+	else:
+		download_file_from_google_drive(drive_id, save_path)
+
+	zip_dir = ''
+	with zipfile.ZipFile(save_path) as zf:
+		zip_dir = zf.namelist()[0]
+		zf.extractall(dirpath)
+	os.remove(save_path)
+	os.rename(os.path.join(dirpath, zip_dir), os.path.join(dirpath, data_dir))
 
 def _list_categories(tag):
     url = 'http://lsun.cs.princeton.edu/htbin/list.cgi?tag=' + tag