X-Git-Url: https://gitweb.michael.orlitzky.com/?a=blobdiff_plain;f=djbdns%2Fio.py;h=c3952bed7da220119a68604e2ed6d0f26d098114;hb=refs%2Ftags%2F0.0.2;hp=1e41470452a30e4c56438ff2ab1ea84a210b0566;hpb=3a5a400178399afcbc3051df860231f3c4cf4ff7;p=djbdns-logparse.git

diff --git a/djbdns/io.py b/djbdns/io.py
index 1e41470..c3952be 100644
--- a/djbdns/io.py
+++ b/djbdns/io.py
@@ -1,3 +1,7 @@
+r"""
+Functions that perform input/output. This forms a layer between the
+executable itself and the more libraryish modules.
+"""
 from subprocess import Popen, PIPE
 from typing import TextIO
 from djbdns.dnscache import handle_dnscache_log
@@ -20,6 +24,8 @@ def parse_logfile(file : TextIO):
         >>> from tempfile import NamedTemporaryFile
         >>> with NamedTemporaryFile(mode="w", delete=False) as f:
         ...     _ = f.write(line)
+        >>> from os import environ
+        >>> environ["TZ"] = "UTC+4"
         >>> f = open(f.name, 'r')
         >>> parse_logfile(f)
         2022-09-14 21:04:40.206516500 dropped query (no authority) from 127.0.0.1:40289 (id 48745): a www.example.com
@@ -38,6 +44,8 @@ def parse_logfile(file : TextIO):
                bufsize=0) as tai:
 
         if not tai.stdin or not tai.stdout:
+            # Mypy tells me that this can happen, based on the type
+            # annotations in the standard library I guess?
             return
 
         for line in file: