upstream/ipython Files · IPython/core/tests/test_prompts.py

Display Greek small letter mu (#14426)...

Display Greek small letter mu (#14426) `%time foo()` output is often copied into code comments to explain performance improvements. The `\xb5` Latin Extended micro sign and the `\u03bc` Greek small letter mu have different codes but often look identical. Output mu to align with: * [The International System of Units (SI) brochure]( https://www.bipm.org/documents/20126/41483022/SI-Brochure-9-EN.pdf ), such as Table 7 SI prefixes * NFKC normalized [Python code](https://peps.python.org/pep-3131/ ) and [domain names](https://unicode.org/reports/tr36/). For example: ```sh python -c 'print("""class C: \xb5=1 print(hex(ord(dir(C)[-1])))""")' | tee /dev/fd/2 | python - ``` ```python class C: µ=1 print(hex(ord(dir(C)[-1]))) ``` `0x3bc` * Section 2.5 Duplicated Characters of [Unicode Technical Report 25]( https://www.unicode.org/reports/tr25/) > ...U+03BC μ is the preferred character in a Unicode context. * Ruff confusable mapping [updates]( https://github.com/astral-sh/ruff/pull/4430/files ), currently in the "preview" stage Add a unit test for UTF-8 display and https://bugs.launchpad.net/ipython/+bug/348466 ASCII fallback.

Matthias Bussonnier - - Load All Authors

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      # -*- coding: utf-8

      """Tests for prompt generation."""

      import unittest

      from IPython.core.prompts import  LazyEvaluate

      class PromptTests(unittest.TestCase):

          def test_lazy_eval_unicode(self):

              u = u'ünicødé'

              lz = LazyEvaluate(lambda : u)

              self.assertEqual(str(lz), u)

              self.assertEqual(format(lz), u)

          def test_lazy_eval_nonascii_bytes(self):

              u = u'ünicødé'

              b = u.encode('utf8')

              lz = LazyEvaluate(lambda : b)

              # unicode(lz) would fail

              self.assertEqual(str(lz), str(b))

              self.assertEqual(format(lz), str(b))

          def test_lazy_eval_float(self):

              f = 0.503

              lz = LazyEvaluate(lambda : f)

              self.assertEqual(str(lz), str(f))

              self.assertEqual(format(lz), str(f))

              self.assertEqual(format(lz, '.1'), '0.5')

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				# -*- coding: utf-8
				"""Tests for prompt generation."""

				import unittest

				from IPython.core.prompts import LazyEvaluate

				class PromptTests(unittest.TestCase):
				def test_lazy_eval_unicode(self):
				u = u'ünicødé'
				lz = LazyEvaluate(lambda : u)
				self.assertEqual(str(lz), u)
				self.assertEqual(format(lz), u)

				def test_lazy_eval_nonascii_bytes(self):
				u = u'ünicødé'
				b = u.encode('utf8')
				lz = LazyEvaluate(lambda : b)
				# unicode(lz) would fail
				self.assertEqual(str(lz), str(b))
				self.assertEqual(format(lz), str(b))

				def test_lazy_eval_float(self):
				f = 0.503
				lz = LazyEvaluate(lambda : f)

				self.assertEqual(str(lz), str(f))
				self.assertEqual(format(lz), str(f))
				self.assertEqual(format(lz, '.1'), '0.5')