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# -*- coding: utf-8 -*-
"""
pint
~~~~
Pint is Python module/package to define, operate and manipulate
**physical quantities**: the product of a numerical value and a
unit of measurement. It allows arithmetic operations between them
and conversions from and to different units.
:copyright: (c) 2012 by Hernan E. Grecco.
:license: BSD, see LICENSE for more details.
"""
from __future__ import with_statement
import os
import subprocess
import pkg_resources
from .formatting import formatter
from .unit import UnitRegistry, DimensionalityError, UndefinedUnitError, LazyRegistry
from .util import pi_theorem, logger
from .context import Context
__version__ = "unknown"
try: # pragma: no cover
# try to grab the commit version of our package
__version__ = (subprocess.check_output(["git", "describe"],
stderr=subprocess.STDOUT,
cwd=os.path.dirname(os.path.abspath(__file__)))).strip()
except: # pragma: no cover
# on any error just try to grab the version that is installed on the system
try:
__version__ = pkg_resources.get_distribution('pint').version
except: # pragma: no cover
pass # we seem to have a local copy without any repository control or installed without setuptools
# so the reported version will be __unknown__
#: A Registry with the default units and constants.
_DEFAULT_REGISTRY = LazyRegistry()
#: Registry used for unpickling operations.
_APP_REGISTRY = _DEFAULT_REGISTRY
def _build_quantity(value, units):
"""Build Quantity using the Application registry.
Used only for unpickling operations.
"""
global _APP_REGISTRY
return _APP_REGISTRY.Quantity(value, units)
def set_application_registry(registry):
"""Set the application registry which is used for unpickling operations.
:param registry: a UnitRegistry instance.
"""
assert isinstance(registry, UnitRegistry)
global _APP_REGISTRY
logger.debug('Changing app registry from %r to %r.', _APP_REGISTRY, registry)
_APP_REGISTRY = registry
def _run_pyroma(data): # pragma: no cover
"""Run pyroma (used to perform checks before releasing a new version).
"""
import sys
from zest.releaser.utils import ask
if not ask("Run pyroma on the package before uploading?"):
return
try:
from pyroma import run
result = run(data['tagdir'])
if result != 10:
if not ask("Continue?"):
sys.exit(1)
except ImportError:
if not ask("pyroma not available. Continue?"):
sys.exit(1)
def test():
"""Run all tests.
:return: a :class:`unittest.TestResult` object
"""
from .testsuite import run
return run()
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