Merged updates from pint master

.github/workflows/bench.yml

@@ -17,10 +17,10 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v3
         with:
-          python-version: "3.11"
+          python-version: "3.12"
 
       - name: Install dependencies
-        run: pip install "numpy>=1.21,<2.0.0"
+        run: pip install "numpy>=1.23,<2.0.0"
 
       - name: Install bench dependencies
         run: pip install .[bench]

.github/workflows/ci.yml

@@ -7,18 +7,22 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, "3.10", "3.11"]
-        numpy: [null, "numpy>=1.21,<2.0.0"]
+        python-version: ["3.9", "3.10", "3.11", "3.12"]
+        numpy: [null, "numpy>=1.23,<2.0.0", "numpy>=2.0.0rc1"]
         uncertainties: [null, "uncertainties==3.1.6", "uncertainties>=3.1.6,<4.0.0"]
         extras: [null]
         include:
-          - python-version: 3.9 # Minimal versions
-            numpy: "numpy"
-            extras: matplotlib==2.2.5
-          - python-version: 3.9
+          - python-version: "3.10" # Minimal versions
+            numpy: "numpy>=1.23,<2.0.0"
+            extras: matplotlib==3.5.3
+          - python-version: "3.10"
             numpy: "numpy"
             uncertainties: "uncertainties"
-            extras: "sparse xarray netCDF4 dask[complete]==2023.4.0 graphviz babel==2.8"
+            extras: "sparse xarray netCDF4 dask[complete]==2024.5.1 graphviz babel==2.8 mip>=1.13"
+          - python-version: "3.10"
+            numpy: "numpy==1.26.1"
+            uncertainties: null
+            extras: "babel==2.15 matplotlib==3.9.0"
     runs-on: ubuntu-latest
 
     env:
@@ -61,6 +65,14 @@ jobs:
         if: ${{ matrix.extras != null }}
         run: pip install ${{matrix.extras}}
 
+      - name: Install locales
+        if: ${{ matrix.extras != null }}
+        run: |
+          sudo apt-get install language-pack-es language-pack-fr language-pack-ro
+          sudo localedef -i es_ES -f UTF-8 es_ES
+          sudo localedef -i fr_FR -f UTF-8 fr_FR
+          sudo localedef -i ro_RO -f UTF-8 ro_RO
+
       - name: Install dependencies
         run: |
           sudo apt install -y graphviz
@@ -92,8 +104,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, "3.10", "3.11"]
-        numpy: [ "numpy>=1.21,<2.0.0" ]
+        python-version: ["3.10", "3.11", "3.12"]
+        numpy: [ "numpy>=1.23,<2.0.0" ]
     runs-on: windows-latest
 
     env:
@@ -153,8 +165,8 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: [3.9, "3.10", "3.11"]
-        numpy: [null, "numpy>=1.21,<2.0.0" ]
+        python-version: ["3.10", "3.11", "3.12"]
+        numpy: [null, "numpy>=1.23,<2.0.0" ]
     runs-on: macos-latest
 
     env:

.github/workflows/docs.yml

@@ -17,7 +17,7 @@ jobs:
       - name: Set up minimal Python version
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.10"
 
       - name: Get pip cache dir
         id: pip-cache
@@ -30,6 +30,11 @@ jobs:
           key: pip-docs
           restore-keys: pip-docs
 
+      - name: Install locales
+        run: |
+          sudo apt-get install language-pack-fr
+          sudo localedef -i fr_FR -f UTF-8 fr_FR
+
       - name: Install dependencies
         run: |
           sudo apt install -y pandoc

.gitignore

@@ -14,6 +14,8 @@ MANIFEST
 .mypy_cache
 pip-wheel-metadata
 pint/testsuite/dask-worker-space
+venv
+.envrc
 
 # WebDAV file system cache files
 .DAV/

.pre-commit-config.yaml

@@ -1,23 +1,21 @@
 exclude: '^pint/_vendor'
 repos:
 -   repo: https://github.com/pre-commit/pre-commit-hooks
-    rev: v4.4.0
+    rev: v4.5.0
     hooks:
     -   id: check-yaml
     -   id: end-of-file-fixer
     -   id: trailing-whitespace
--   repo: https://github.com/psf/black
-    rev: 23.1.0
-    hooks:
-    - id: black
-    - id: black-jupyter
--   repo: https://github.com/charliermarsh/ruff-pre-commit
-    rev: 'v0.0.240'
+-   repo: https://github.com/astral-sh/ruff-pre-commit
+    rev: v0.1.7
     hooks:
     - id: ruff
-      args: ["--fix"]
+      args: ["--fix", "--show-fixes"]
+      types_or: [ python, pyi, jupyter ]
+    - id: ruff-format
+      types_or: [ python, pyi, jupyter ]
 -   repo: https://github.com/executablebooks/mdformat
-    rev: 0.7.16
+    rev: 0.7.17
     hooks:
     - id: mdformat
       additional_dependencies:

.readthedocs.yaml

@@ -2,7 +2,7 @@ version: 2
 build:
   os: ubuntu-22.04
   tools:
-    python: "3.9"
+    python: "3.11"
 sphinx:
   configuration: docs/conf.py
   fail_on_warning: false
@@ -11,4 +11,3 @@ python:
      - requirements: requirements_docs.txt
      - method: pip
        path: .
-   system_packages: false

CHANGES

@@ -1,15 +1,78 @@
 Pint Changelog
 ==============
 
-0.23 (unreleased)
+0.25 (unreleased)
 -----------------
 
+- Nothing added yet.
+
+
+0.24.1 (2024-06-24)
+-----------------
+
+- Fix custom formatter needing the registry object. (PR #2011)
+- Support python 3.9 following difficulties installing with NumPy 2. (PR #2019)
+- Fix default formatting of dimensionless unit issue. (PR #2012)
+- Fix bug preventing custom formatters with modifiers working. (PR #2021)
+
+
+0.24 (2024-06-07)
+-----------------
+
+- Fix detection of invalid conversion between offset and delta units. (PR #1905)
+- Added dBW, decibel Watts, which is used in RF high power applications
+- NumPy 2.0 support
+  (PR #1985, #1971)
+- Implement numpy roll (Related to issue #981)
+- Implement numpy correlate
+  (PR #1990)
+- Add `dim_sort` function to _formatter_helpers.
+- Add `dim_order` and `default_sort_func` properties to FullFormatter.
+  (PR #1926, fixes Issue #1841)
+- Documented packages using pint.
+  (PR #1960)
+- Fixed bug causing operations between arrays of quantity scalars and quantity holding
+  array resulting in incorrect units.
+  (PR #1677)
+- Fix LaTeX siuntix formatting when using non_int_type=decimal.Decimal.
+  (PR #1977)
+- Added refractive index units.
+  (PR #1816)
+- Fix converting to offset units of higher dimension e.g. gauge pressure
+  (PR #1949)
+- Fix unhandled TypeError when auto_reduce_dimensions=True and non_int_type=Decimal
+  (PR #1853)
+- Improved error message in `get_dimensionality()` when non existent units are passed.
+  (PR #1874, Issue #1716)
+
+
+0.23 (2023-12-08)
+-----------------
+
+- Add _get_conversion_factor to registry with cache.
+- Homogenize input and ouput of internal regitry functions to
+  facility typing, subclassing and wrapping.
+  (_yield_unit_triplets, )
+- Generated downstream_status page to track the
+  state of downstream projects.
+- Improve typing annotation.
+- Updated to flexparser 0.2.
+- Faster wraps
+  (PR #1862)
+- Add codspeed github action.
+- Move benchmarks to pytest-benchmarks.
+- Support pytest on python 3.12 wrt Fraction formatting change
+  (#1818)
 - Fixed Transformation type protocol.
-  (PR #1805)
+  (PR #1805, PR #1832)
 - Documented to_preferred and created added an autoautoconvert_to_preferred registry option.
   (PR #1803)
+- Enable Pint to parse uncertainty numbers.
+  (See #1611, #1614)
 - Optimize matplotlib unit conversion for Quantity arrays
   (PR #1819)
+- Add numpy.linalg.norm implementation.
+  (PR #1251)
 
 
 0.22 (2023-05-25)
@@ -105,9 +168,15 @@ Pint Changelog
   (Issue #1030, #574)
 - Added angular frequency documentation page.
 - Move ASV benchmarks to dedicated folder. (Issue #1542)
+- An ndim attribute has been added to Quantity and DataFrame has been added to upcast
+  types for pint-pandas compatibility. (#1596)
+- Fix a recursion error that would be raised when passing quantities to `cond` and `x`.
+  (Issue #1510, #1530)
+- Update test_non_int tests for pytest.
+- Better support for uncertainties (See #1611, #1614)
 - Implement `numpy.broadcast_arrays` (#1607)
 - An ndim attribute has been added to Quantity and DataFrame has been added to upcast
-types for pint-pandas compatibility. (#1596)
+  types for pint-pandas compatibility. (#1596)
 - Fix a recursion error that would be raised when passing quantities to `cond` and `x`.
   (Issue #1510, #1530)
 - Update test_non_int tests for pytest.
@@ -116,7 +185,6 @@ types for pint-pandas compatibility. (#1596)
 - Better support for pandas and dask.
 - Fix masked arrays (with multiple values) incorrectly being passed through
   setitem (Issue #1584)
-
 - Add Quantity.to_preferred
 
 0.19.2 (2022-04-23)

README.rst

@@ -2,8 +2,13 @@
     :target: https://pypi.python.org/pypi/pint
     :alt: Latest Version
 
-.. image:: https://img.shields.io/badge/code%20style-black-000000.svg
-    :target: https://github.com/python/black
+.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/v2.json
+    :target: https://github.com/astral-sh/ruff
+    :alt: Ruff
+
+.. image:: https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/astral-sh/ruff/main/assets/badge/format.json
+    :target: https://github.com/astral-sh/ruff
+    :alt: Ruff-Format
 
 .. image:: https://readthedocs.org/projects/pint/badge/
     :target: https://pint.readthedocs.org/

docs/advanced/currencies.rst

@@ -84,3 +84,16 @@ currency on its own dimension, and then implement transformations::
 More sophisticated formulas, e.g. dealing with flat fees and thresholds, can be
 implemented with arbitrary python code by programmatically defining a context (see
 :ref:`contexts`).
+
+Currency Symbols
+----------------
+
+Many common currency symbols are not supported by the pint parser. A preprocessor can be used as a workaround:
+
+.. doctest::
+
+   >>> import pint
+   >>> ureg = pint.UnitRegistry(preprocessors = [lambda s: s.replace("€", "EUR")])
+   >>> ureg.define("euro = [currency] = € = EUR")
+   >>> print(ureg.Quantity("1 €"))
+   1 euro

docs/advanced/pitheorem.rst

@@ -33,8 +33,10 @@ Which can be pretty printed using the `Pint` formatter:
 
     >>> from pint import formatter
     >>> result = pi_theorem({'V': '[length]/[time]', 'T': '[time]', 'L': '[length]'})
-    >>> print(formatter(result[0].items()))
-    T * V / L
+    >>> numerator = [item for item in result[0].items() if item[1]>0]
+    >>> denominator = [item for item in result[0].items() if item[1]<0]
+    >>> print(formatter(numerator, denominator))
+    V * T / L
 
 You can also apply the Buckingham π theorem associated to a Registry. In this case,
 you can use derived dimensions such as speed:

docs/api/facets.rst

@@ -16,7 +16,7 @@ The default UnitRegistry inherits from all of them.
     :members:
     :exclude-members: Quantity, Unit, Measurement, Group, Context, System
 
-.. automodule:: pint.facets.formatting
+.. automodule:: pint.delegates.formatter
     :members:
     :exclude-members: Quantity, Unit, Measurement, Group, Context, System
 

docs/changes.rst

@@ -0,0 +1 @@
+.. include:: ../CHANGES

docs/conf.py

@@ -10,6 +10,7 @@
 #
 # All configuration values have a default; values that are commented out
 # serve to show the default.
+from __future__ import annotations
 
 import datetime
 from importlib.metadata import version

docs/ecosystem.rst

@@ -7,5 +7,18 @@ Here is a list of known projects, packages and integrations using pint.
 Pint integrations:
 ------------------
 
+- `ucumvert <https://github.com/dalito/ucumvert>`_ `UCUM <https://ucum.org/>`_ (Unified Code for Units of Measure) integration
 - `pint-pandas <https://github.com/hgrecco/pint-pandas>`_ Pandas integration
 - `pint-xarray <https://github.com/xarray-contrib/pint-xarray>`_ Xarray integration
+
+
+Packages using pint:
+------------------
+
+- `fluids <https://github.com/CalebBell/fluids>`_ Practical fluid dynamics calculations
+- `ht <https://github.com/CalebBell/ht/>`_ Practical heat transfer calculations
+- `chemicals <https://github.com/CalebBell/chemicals/>`_ Chemical property calculations and lookups
+- `thermo <https://github.com/CalebBell/thermo/>`_ Thermodynamic equilibrium calculations
+- `Taurus <https://taurus-scada.org/>`_ Control system UI creation
+- `InstrumentKit <https://github.com/instrumentkit/InstrumentKit>`_ Interacting with laboratory equipment over various buses.
+- `NEMO <https://github.com/bje-/NEMO/>`_ Electricity production cost model

docs/getting/index.rst

@@ -8,7 +8,7 @@ The getting started guide aims to get you using pint productively as quickly as
 Installation
 ------------
 
-Pint has no dependencies except Python itself. In runs on Python 3.9+.
+Pint has no dependencies except Python itself. It runs on Python 3.9+.
 
 .. grid:: 2
 

docs/getting/tutorial.rst

@@ -427,8 +427,8 @@ If Babel_ is installed you can translate unit names to any language
 
 .. doctest::
 
-   >>> accel.format_babel(locale='fr_FR')
-   '1.3 mètre par seconde²'
+   >>> ureg.formatter.format_quantity(accel, locale='fr_FR')
+   '1,3 mètres par seconde²'
 
 You can also specify the format locale at the registry level either at creation:
 
@@ -440,20 +440,22 @@ or later:
 
 .. doctest::
 
-    >>> ureg.set_fmt_locale('fr_FR')
+    >>> ureg.formatter.set_locale('fr_FR')
 
 and by doing that, string formatting is now localized:
 
 .. doctest::
 
+    >>> ureg.default_format = 'P'
     >>> accel = 1.3 * ureg.parse_units('meter/second**2')
     >>> str(accel)
-    '1.3 mètre par seconde²'
+    '1,3 mètres par seconde²'
     >>> "%s" % accel
-    '1.3 mètre par seconde²'
+    '1,3 mètres par seconde²'
     >>> "{}".format(accel)
-    '1.3 mètre par seconde²'
+    '1,3 mètres par seconde²'
 
+If you want to customize string formatting, take a look at :ref:`formatting`.
 
 
 .. _`default list of units`: https://github.com/hgrecco/pint/blob/master/pint/default_en.txt