From: Michael Orlitzky <michael@orlitzky.com>
Date: Thu, 22 Sep 2022 02:18:18 +0000 (-0400)
Subject: djbdns/io.py: handle nonexistent Popen stdin/stdout.
X-Git-Tag: 0.0.1~5
X-Git-Url: http://gitweb.michael.orlitzky.com/?p=djbdns-logparse.git;a=commitdiff_plain;h=3a5a400178399afcbc3051df860231f3c4cf4ff7

djbdns/io.py: handle nonexistent Popen stdin/stdout.

Type annotations say that this is possible, so... just quit if it
happens?
---

diff --git a/djbdns/io.py b/djbdns/io.py
index 75422c0..1e41470 100644
--- a/djbdns/io.py
+++ b/djbdns/io.py
@@ -37,6 +37,9 @@ def parse_logfile(file : TextIO):
                text=True,
                bufsize=0) as tai:
 
+        if not tai.stdin or not tai.stdout:
+            return
+
         for line in file:
             tai.stdin.write(line)
             line = tai.stdout.readline()