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bpo-31537: Update readline documentation example. (GH-3925)

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Change the code example from using `get_history_length` to `get_current_history_length`.
This commit is contained in:
Brad Smith
2017-10-10 17:52:58 -04:00
committed by Mariatta
parent 39ecb9c71b
commit eeb5ffd54e
2 changed files with 4 additions and 2 deletions
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4
Doc/library/readline.rst
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@@ -312,13 +312,13 @@ sessions, by only appending the new history. ::
try:
readline.read_history_file(histfile)
h_len = readline.get_history_length()
h_len = readline.get_current_history_length()
except FileNotFoundError:
open(histfile, 'wb').close()
h_len = 0
def save(prev_h_len, histfile):
new_h_len = readline.get_history_length()
new_h_len = readline.get_current_history_length()
readline.set_history_length(1000)
readline.append_history_file(new_h_len - prev_h_len, histfile)
atexit.register(save, h_len, histfile)

2
Misc/NEWS.d/next/Documentation/2017-10-08-23-02-14.bpo-31537.SiFNM8.rst Normal file
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@@ -0,0 +1,2 @@
Fix incorrect usage of ``get_history_length`` in readline documentation
example code. Patch by Brad Smith.