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GeezerVison is showing github.com — python-for-android/pythonforandroid/patching.py at develop · kivy/python-for-android

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"""
Helper functions for recipes.
Recipes must supply a list of patches.
Patches consist of a filename and an optional conditional, which is
any function of the form:
def patch_check(arch: string, recipe : Recipe) -> bool
This library provides some helpful conditionals and mechanisms to
join multiple conditionals.
Example:
patches = [
("linux_or_darwin_only.patch",
check_any(is_linux, is_darwin),
("recent_android_API.patch",
is_apt_gte(27)),
]
"""
from platform import uname
from packaging.version import Version
# Platform checks
def is_platform(platform):
"""
Returns true if the host platform matches the parameter given.
"""
def check(arch, recipe):
return uname().system.lower() == platform.lower()
return check
is_linux = is_platform("Linux")
is_darwin = is_platform("Darwin")
is_windows = is_platform("Windows")
def is_arch(xarch):
"""
Returns true if the target architecture platform matches the parameter
given.
"""
def check(arch):
return arch.arch == xarch
return check
# Android API comparisons:
# Return true if the Android API level being targeted
# is equal (or >, >=, <, <= as appropriate) the given parameter
def is_api(apiver: int):
def check(arch, recipe):
return recipe.ctx.android_api == apiver
return check
def is_api_gt(apiver: int):
def check(arch, recipe):
return recipe.ctx.android_api > apiver
return check
def is_api_gte(apiver: int):
def check(arch, recipe):
return recipe.ctx.android_api >= apiver
return check
def is_api_lt(apiver: int):
def check(arch, recipe):
return recipe.ctx.android_api < apiver
return check
def is_api_lte(apiver: int):
def check(arch, recipe):
return recipe.ctx.android_api <= apiver
return check
# Android API comparisons:
def is_ndk(ndk):
"""
Return true if the Minimum Supported Android NDK level being targeted
is equal the given parameter (which should be an AndroidNDK instance)
"""
def check(arch, recipe):
return recipe.ctx.ndk == ndk
return check
# Recipe Version comparisons:
# These compare the Recipe's version with the provided string (or
# Packaging.Version).
#
# Warning: Both strings must conform to PEP 440 - e.g. "3.2.1" or "1.0rc1"
def is_version_gt(version):
"""Return true if the Recipe's version is greater"""
def check(arch, recipe):
return Version(recipe.version) > Version(version)
return check
def is_version_lt(version):
"""Return true if the Recipe's version is less than"""
def check(arch, recipe):
return Version(recipe.version) < Version(version)
return check
def version_starts_with(version_prefix):
def check(arch, recipe):
return recipe.version.startswith(version_prefix)
return check
# Will Build
def will_build(recipe_name):
"""Return true if the recipe with this name is planned to be included in
the distribution."""
def check(arch, recipe):
return recipe_name in recipe.ctx.recipe_build_order
return check
# Conjunctions
def check_all(*patch_checks):
"""
Given a collection of patch_checks as params, return if all returned true.
"""
def check(arch, recipe):
return all(patch_check(arch, recipe) for patch_check in patch_checks)
return check
def check_any(*patch_checks):
"""
Given a collection of patch_checks as params, return if any returned true.
"""
def check(arch, recipe):
return any(patch_check(arch, recipe) for patch_check in patch_checks)
return check
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