smooth-dl.py: support downloading from a local file in download_file()

diff --git a/smooth-dl.py b/smooth-dl.py
index a496bc7..1488e2c 100755 (executable)
--- a/smooth-dl.py
+++ b/smooth-dl.py
@@ -94,12 +94,18 @@ def write_wav_header(out_file, fmt, codec_private_data, data_len):
 
 
 def download_file(src_url, dest_file, mode):
-    try:
-        response = urllib2.urlopen(src_url)
-        data = response.read()
-    except urllib2.HTTPError:
-        sys.stderr.write("Error while dowloading URL: %s" % src_url)
-        raise
+
+    if os.path.exists(src_url):
+        f = open(src_url, "rb")
+        data = f.read()
+        f.close()
+    else:
+        try:
+            response = urllib2.urlopen(src_url)
+            data = response.read()
+        except urllib2.HTTPError:
+            sys.stderr.write("Error while dowloading URL: %s" % src_url)
+            raise
 
     if dest_file:
         f = open(dest_file, mode)
@@ -118,11 +124,8 @@ def get_manifest(url, dest_dir):
     if not manifest_url.lower().endswith(('/manifest', '.ismc', '.csm')):
         manifest_url += '/Manifest'
 
-    if os.path.exists(url):
-        local_manifest_path = url
-    else:
-        local_manifest_path = os.path.join(dest_dir, 'Manifest')
-        download_file(manifest_url, local_manifest_path, "w")
+    local_manifest_path = os.path.join(dest_dir, 'Manifest')
+    download_file(manifest_url, local_manifest_path, "w")
 
     manifest = etree.parse(local_manifest_path)