Wrong sign placement in PyUnicode_FromFormat · Issue #95504 · python/cpython (original) (raw)

Skip to content

Navigation Menu

• • GitHub Copilot Write better code with AI
  • GitHub Advanced Security Find and fix vulnerabilities
  • Actions Automate any workflow
  • Codespaces Instant dev environments
  • Issues Plan and track work
  • Code Review Manage code changes
  • Discussions Collaborate outside of code
  • Code Search Find more, search less
• Explore
  • Learning Pathways
  • Events & Webinars
  • Ebooks & Whitepapers
  • Customer Stories
  • Partners
  • Executive Insights
• • GitHub Sponsors Fund open source developers
  • The ReadME Project GitHub community articles
• • Enterprise platform AI-powered developer platform
• Pricing

Provide feedback

Saved searches

Use saved searches to filter your results more quickly

Sign up

Description

Bug report

When specifying width or precision with a negative number the sign ignores that and sticks to the number.
Width specifies the minimum output width, so if the zero flag is set the sign should be the first character of the width padding, if the zero flag is not set the last character of the padding.
Precision specifies the number of digits, so the sign should be placed before precision count digits.

PyUnicode_FromFormat( "%05d", -123); // "0-123" should be "-0123" PyUnicode_FromFormat( "%.5d", -123); // "0-123" should be "-00123" PyUnicode_FromFormat( "%7.5d", -123); // " 0-123" should be " -00123" PyUnicode_FromFormat("%07.5d", -123); // "000-123" should be "-000123"

Your environment

• CPython versions tested on: main branch