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Allow opencv-contrib-* to satisfy opencv requirement #837

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merged 1 commit into from
Feb 5, 2021
Merged

Allow opencv-contrib-* to satisfy opencv requirement #837

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31 changes: 20 additions & 11 deletions setup.py
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Original file line number Diff line number Diff line change
Expand Up @@ -7,8 +7,13 @@

INSTALL_REQUIRES = ["numpy>=1.11.1", "scipy", "scikit-image>=0.16.1", "imgaug>=0.4.0", "PyYAML"]

# If first not installed install second package
CHOOSE_INSTALL_REQUIRES = [("opencv-python>=4.1.1", "opencv-python-headless>=4.1.1")]
# If none of packages in first installed, install second package
CHOOSE_INSTALL_REQUIRES = [
(
("opencv-python>=4.1.1", "opencv-contrib-python>=4.1.1", "opencv-contrib-python-headless>=4.1.1"),
"opencv-python-headless>=4.1.1",
)
]


def get_version():
Expand All @@ -24,23 +29,27 @@ def get_long_description():
return f.read()


def choose_requirement(main, secondary):
def choose_requirement(mains, secondary):
"""If some version version of main requirement installed, return main,
else return secondary.

"""
try:
name = re.split(r"[!<>=]", main)[0]
get_distribution(name)
except DistributionNotFound:
return secondary
chosen = secondary
for main in mains:
try:
name = re.split(r"[!<>=]", main)[0]
get_distribution(name)
chosen = main
break
except DistributionNotFound:
pass

return str(main)
return str(chosen)


def get_install_requirements(install_requires, choose_install_requires):
for main, secondary in choose_install_requires:
install_requires.append(choose_requirement(main, secondary))
for mains, secondary in choose_install_requires:
install_requires.append(choose_requirement(mains, secondary))

return install_requires

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