winfreed.py: differentiate between pkg_url and actual url

[winfreed.git] / winfreed.py

diff --git a/winfreed.py b/winfreed.py
index f4596b6..94524e1 100755 (executable)
--- a/winfreed.py
+++ b/winfreed.py
@@ -17,6 +17,7 @@
 # You should have received a copy of the GNU General Public License
 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
+import re
 import os
 import sys
 import glob
@@ -32,16 +33,28 @@ LANGCODE = 'en-US'
 PKG_DIR = 'pkgs'
 CHUNK_SIZE = 8192
 
+
+def get_pkg(json_file):
+    with open(json_file, mode='r') as f:
+        pkg = json.load(f)
+        basename = os.path.basename(json_file)
+        package_name = os.path.splitext(basename)[0]
+        pkg['package_name'] = package_name
+        f.close()
+        return pkg
+
+    return None
+
+
 def process_all(path, cb):
     listing = glob.glob(os.path.join(path, '*.json'))
     for json_file in listing:
-        with open(json_file, mode='r') as f:
-            pkg = json.load(f)
-            basename = os.path.basename(json_file)
-            package_name = os.path.splitext(basename)[0]
-            pkg['package_name'] = package_name
-            cb(pkg)
-            f.close()
+        pkg = get_pkg(json_file)
+        if not pkg:
+            sys.stderr.write("Error: cannot get a pkg for: %s\n" % json_file)
+            continue
+        cb(pkg)
+
 
 def show(pkg):
     print 'Package:  ', pkg['package_name']
@@ -49,18 +62,30 @@ def show(pkg):
     print 'Homepage: ', pkg['homepage']
     print
 
+
 def download(pkg):
     # the "%s" in URLs are meant to be replaced with LANGCODE
     try:
-        url = pkg['URL'] % LANGCODE
+        pkg_url = pkg['URL'] % LANGCODE
     except:
-        url = pkg['URL']
+        pkg_url = pkg['URL']
         pass
 
-    response = urllib2.urlopen(url)
-    filename = urllib2.unquote(os.path.basename(response.geturl()))
+    response = urllib2.urlopen(pkg_url)
+    url = response.geturl()
+
+    filename = ""
+    if 'Content-Disposition' in  response.info():
+        # Use the filename the server tells us if any,
+        # re pattern from http://stackoverflow.com/questions/8035900
+        content_disposition = response.info().getheader('Content-Disposition').strip()
+        filename = re.findall("filename=(\S+)", content_disposition)[0]
+
+    if filename == "":
+        filename = urllib2.unquote(os.path.basename(response.geturl()))
+
     if filename == "":
-        sys.stderr.write("Debug (%s): filename: %s url: %s\n" %(pkg['package_name'], filename, response.geturl()))
+        sys.stderr.write("Debug (%s): filename: %s url: %s\n" % (pkg['package_name'], filename, url))
         return
 
     destfile = os.path.join(OUTPUT_DIR, filename)
@@ -88,15 +113,18 @@ def download(pkg):
         pbar.update(bytes_so_far)
     pbar.finish()
 
+
 def show_all():
     process_all(PKG_DIR, show)
 
+
 def download_all():
     if os.path.exists(OUTPUT_DIR) == False:
         os.mkdir(OUTPUT_DIR, 0755)
 
     process_all(PKG_DIR, download)
 
+
 def usage():
     usage = "winfreed - download a selection of Free Software for MS Windows.\n\n"
     usage += "usage: %s <COMMAND>\n\n" % sys.argv[0]
@@ -118,5 +146,5 @@ if __name__ == "__main__":
     else:
         usage()
         sys.exit(1)
-    
+
     sys.exit(0)