cpython: 416db1a2fb81 (original) (raw)

Mercurial > cpython

changeset 99861:416db1a2fb81 3.5

#25991: fix readline example to limit history size. Patch by Daniel Dye. [#25991]

Ezio Melotti ezio.melotti@gmail.com
date	Mon, 11 Jan 2016 23:30:56 +0200
parents	1e9ec2d9f2d6
children	cb08e5271cc0 6bd4a4907f66
files	Doc/library/readline.rst
diffstat	1 files changed, 4 insertions(+), 0 deletions(-)[+] [-] Doc/library/readline.rst 4

line wrap: on

line diff

--- a/Doc/library/readline.rst +++ b/Doc/library/readline.rst @@ -209,6 +209,8 @@ from the user's :envvar:PYTHONSTARTUP histfile = os.path.join(os.path.expanduser("~"), ".python_history") try: readline.read_history_file(histfile)

  # default history len is -1 (infinite), which may grow unruly[](#l1.7)

  readline.set_history_length(1000)[](#l1.8)

except FileNotFoundError: pass

@@ -234,6 +236,7 @@ sessions, by only appending the new hist def save(prev_h_len, histfile): new_h_len = readline.get_history_length()

```
  readline.set_history_length(1000)[](#l1.16)
  readline.append_history_file(new_h_len - prev_h_len, histfile)[](#l1.17)
```
atexit.register(save, h_len, histfile) @@ -261,4 +264,5 @@ support history save/restore. :: atexit.register(self.save_history, histfile)

def save_history(self, histfile):

      readline.set_history_length(1000)[](#l1.24)
      readline.write_history_file(histfile)[](#l1.25)