update 0.5

pythonbrew/downloader.py

@@ -0,0 +1,39 @@
+import sys
+import urllib
+from pythonbrew.util import size_format
+from pythonbrew.define import PYTHON_PACKAGE_URL, PYTHONBREW_UPDATE_URL
+
+class Downloader(object):
+    def __init__(self):
+        self._msg = ""
+        self._last_msg = ""
+        self._bytes = 0.0
+    
+    def download(self, msg, url, path):
+        self._msg = msg
+        self._bytes = 0
+        urllib.urlretrieve(url, path, self._download_progress)
+        print " downloaded."
+    
+    def _download_progress(self, block, blockbytes, maxbytes):
+        self._bytes += float(blockbytes)
+        if self._bytes >= maxbytes:
+            self._bytes = maxbytes
+        percent = (self._bytes / maxbytes) * 100
+        max_size = size_format(maxbytes)
+        now_size = size_format(self._bytes)
+        now_msg = "\rDownloading %s (%s): %3i%%  %s" % (self._msg, max_size, percent, now_size)
+        padding = " " * (len(self._last_msg) - len(now_msg))
+        sys.stdout.write("%s%s" % (now_msg, padding))
+        sys.stdout.flush()
+        self._last_msg = now_msg
+
+def get_pythonbrew_update_url(version):
+    if PYTHONBREW_UPDATE_URL.has_key(version):
+        return PYTHONBREW_UPDATE_URL[version]
+    return None
+
+def get_python_package_url(version):
+    if PYTHON_PACKAGE_URL.has_key(version):
+        return PYTHON_PACKAGE_URL[version]
+    return None