Work with environment markers (PEP-496)
Project description
Work with environment markers (PEP-496).
Installation
Install from PyPI:
python3 -m pip install --user dephell_markersUsage
from dephell_markers import Markers
m = Markers('os_name == "posix" and python_version >= "2.7"')
m.get_version(name='python_version')
# '>=2.7'
m.get_string(name='os_name')
# 'posix'
Markers('python_version >= "2.4" or python_version <= "2.7"').get_version(name='python_version')
'<=2.7 || >=2.4'
Markers('python_version >= "2.4" or python_version <= "2.7"').python_version
# RangeSpecifier(<=2.7 || >=2.4)
# Nothing better than lie:
Markers('python_version == "2.4" or os_name == "linux"').get_version(name='python_version')
# NoneRelease history Release notifications | RSS feed
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