SkQP: Stop requiring users to use posix shell
Also update README.md
Change-Id: I62f5ac38ff4a8c3aa19d895441a76664cb8e8176
Reviewed-on: https://skia-review.googlesource.com/99302
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Hal Canary <halcanary@google.com>
diff --git a/tools/skqp/download_model b/tools/skqp/download_model
new file mode 100755
index 0000000..de1aeed
--- /dev/null
+++ b/tools/skqp/download_model
@@ -0,0 +1,68 @@
+#! /usr/bin/env python
+
+# Copyright 2018 Google Inc.
+# Use of this source code is governed by a BSD-style license that can be
+# found in the LICENSE file.
+
+import hashlib
+import os
+import shutil
+import sys
+import threading
+import urllib2
+
+def checksum(path):
+ if not os.path.exists(path):
+ return None
+ m = hashlib.md5()
+ with open(path, 'rb') as f:
+ while True:
+ buf = f.read(4096)
+ if 0 == len(buf):
+ return m.hexdigest()
+ m.update(buf)
+
+def download(md5, path):
+ if not md5 == checksum(path):
+ dirname = os.path.dirname(path)
+ if dirname and not os.path.exists(dirname):
+ try:
+ os.makedirs(dirname)
+ except:
+ # ignore race condition
+ if not os.path.exists(dirname):
+ raise
+ url = 'https://storage.googleapis.com/skia-skqp-assets/' + md5
+ with open(path, 'wb') as o:
+ shutil.copyfileobj(urllib2.urlopen(url), o)
+
+def main():
+ os.chdir(os.path.join(os.path.dirname(__file__), os.pardir, os.pardir,
+ 'platform_tools', 'android', 'apps', 'skqp', 'src',
+ 'main', 'assets'))
+ sys.stderr.write('\n 0 / ???? ')
+ with open('files.checksum', 'r') as f:
+ md5 = f.read().strip()
+ assert(len(md5) == 32)
+ download(md5, 'files.txt')
+ with open('files.txt', 'r') as f:
+ records = []
+ for line in f:
+ md5, path = line.strip().split(';', 1)
+ records.append((md5, path))
+ threads = set()
+ sys.stderr.write('\r 0 / %d ' % len(records))
+ for i, record in enumerate(records):
+ t = threading.Thread(target=download, args=record)
+ t.start()
+ threads.add(t)
+ left = -1
+ while left != 0:
+ count = sum(1 for t in threading.enumerate() if t in threads)
+ if left != count:
+ left = count
+ sys.stderr.write('\r %4d / %d ' % (len(records) - left, len(records)))
+ sys.stderr.write('\n')
+
+if __name__ == '__main__':
+ main()