[tor-commits] [stem/master] Skipping non-regular files when the reader crawls

[atagar@xxxxxxxxxxxxxx]

commit ebed653be563f2e16c384d9d3b235ad2ecb11566
Author: Damian Johnson <atagar@xxxxxxxxxxxxxx>
Date:   Wed Jun 6 08:47:54 2012 -0700

    Skipping non-regular files when the reader crawls
    
    When the reader encounters block devices it can get stuck, causing the integ
    test for stop() to fail. Caught by nickm.
---
 stem/descriptor/reader.py |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/stem/descriptor/reader.py b/stem/descriptor/reader.py
index acc9f8f..51eb46c 100644
--- a/stem/descriptor/reader.py
+++ b/stem/descriptor/reader.py
@@ -386,6 +386,11 @@ class DescriptorReader:
       self._notify_skip_listeners(target, AlreadyRead(last_modified, last_used))
       return
     
+    # Block devices and such are never descriptors, and can cause us to block
+    # for quite a while so skipping anything that isn't a regular file.
+    
+    if not os.path.isfile(target): return
+    
     # The mimetypes module only checks the file extension. To actually
     # check the content (like the 'file' command) we'd need something like
     # pymagic (https://github.com/cloudburst/pymagic).

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