Issue #11726: Fix linecache example in the doc
Use a Python source file (linecache.__file__) instead of /etc/passwd.
Modify also linecache docstrings to clarify the linecache is written to cache
Python source files, not any text files.
diff --git a/Lib/linecache.py b/Lib/linecache.py
index 02a9eb5..e505b03 100644
--- a/Lib/linecache.py
+++ b/Lib/linecache.py
@@ -1,4 +1,4 @@
-"""Cache lines from files.
+"""Cache lines from Python source files.
This is intended to read lines from modules imported -- hence if a filename
is not found, it will look down the module search path for a file by
@@ -32,7 +32,7 @@
def getlines(filename, module_globals=None):
- """Get the lines for a file from the cache.
+ """Get the lines for a Python source file from the cache.
Update the cache if it doesn't contain an entry for this file already."""
if filename in cache: