Movatterモバイル変換


[0]ホーム

URL:


Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

str(10**10000) hangs if the C_decimal module is missing #118164

Closed
Labels
3.12only security fixes3.13bugs and security fixestype-bugAn unexpected behavior, bug, or error
@antonio-rojas

Description

@antonio-rojas

Bug report

Bug description:

The following code

>>>importsys;sys.set_int_max_str_digits(0);10**10000

works in 3.11 but hangs in 3.12. Interrupting it gives this backtrace:

  File "<stdin>", line 1, in <module>  File "/usr/lib/python3.12/_pylong.py", line 85, in int_to_decimal_string    return str(int_to_decimal(n))               ^^^^^^^^^^^^^^^^^  File "/usr/lib/python3.12/_pylong.py", line 77, in int_to_decimal    result = inner(n, n.bit_length())             ^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib/python3.12/_pylong.py", line 64, in inner    return inner(lo, w2) + inner(hi, w - w2) * w2pow(w2)           ^^^^^^^^^^^^^  File "/usr/lib/python3.12/_pylong.py", line 64, in inner    return inner(lo, w2) + inner(hi, w - w2) * w2pow(w2)           ^^^^^^^^^^^^^  File "/usr/lib/python3.12/_pylong.py", line 64, in inner    return inner(lo, w2) + inner(hi, w - w2) * w2pow(w2)           ^^^^^^^^^^^^^  [Previous line repeated 6 more times]  File "/usr/lib/python3.12/_pylong.py", line 45, in w2pow    result = D2**w             ~~^^~  File "/usr/lib/python3.12/_pydecimal.py", line 2339, in __pow__    ans = self._power_exact(other, context.prec + 1)          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^  File "/usr/lib/python3.12/_pydecimal.py", line 2187, in _power_exact    if xc > 10**p:            ~~^^~KeyboardInterrupt

CPython versions tested on:

3.11, 3.12

Operating systems tested on:

Linux

Linked PRs

Metadata

Metadata

Assignees

No one assigned

    Labels

    3.12only security fixes3.13bugs and security fixestype-bugAn unexpected behavior, bug, or error

    Projects

    No projects

    Milestone

    No milestone

    Relationships

    None yet

    Development

    No branches or pull requests

    Issue actions


      [8]ページ先頭

      ©2009-2025 Movatter.jp