2020 the huggingface team licensed under the apache license version 2 0 the license you may not use this file except in compliance with the license you may obtain a copy of the license at http www apache orglicenseslicense2 0 unless required by applicable law or agreed to in writing software distributed under the license is distributed on an as is basis without warranties or conditions of any kind either express or implied see the license for the specific language governing permissions and limitations under the license lt different version strings le eq ne ge gt mix requirement wo version unmet requirements due to version conflict unmet requirements due to missing module bogus requirements formats 1 whole thing 2 only operators matching requirement not matching requirements 2020 the huggingface team licensed under the apache license version 2 0 the license you may not use this file except in compliance with the license you may obtain a copy of the license at http www apache org licenses license 2 0 unless required by applicable law or agreed to in writing software distributed under the license is distributed on an as is basis without warranties or conditions of any kind either express or implied see the license for the specific language governing permissions and limitations under the license lt different version strings le eq ne ge gt mix requirement w o version unmet requirements due to version conflict unmet requirements due to missing module bogus requirements formats 1 whole thing 2 only operators matching requirement not matching requirements
import importlib.metadata
import sys

from transformers.testing_utils import TestCasePlus
from transformers.utils.versions import require_version, require_version_core


numpy_ver = importlib.metadata.version("numpy")
python_ver = ".".join([str(x) for x in sys.version_info[:3]])


class DependencyVersionCheckTest(TestCasePlus):
    def test_core(self):
        
        require_version_core("numpy<1000.4.5")
        require_version_core("numpy<1000.4")
        require_version_core("numpy<1000")

        
        require_version_core("numpy<=1000.4.5")
        require_version_core(f"numpy<={numpy_ver}")

        
        require_version_core(f"numpy=={numpy_ver}")

        
        require_version_core("numpy!=1000.4.5")

        
        require_version_core("numpy>=1.0")
        require_version_core("numpy>=1.0.0")
        require_version_core(f"numpy>={numpy_ver}")

        
        require_version_core("numpy>1.0.0")

        
        require_version_core("numpy>1.0.0,<1000")

        
        require_version_core("numpy")

        
        for req in ["numpy==1.0.0", "numpy>=1000.0.0", f"numpy<{numpy_ver}"]:
            try:
                require_version_core(req)
            except ImportError as e:
                self.assertIn(f"{req} is required", str(e))
                self.assertIn("but found", str(e))

        
        for req in ["numpipypie>1", "numpipypie2"]:
            try:
                require_version_core(req)
            except importlib.metadata.PackageNotFoundError as e:
                self.assertIn(f"The '{req}' distribution was not found and is required by this application", str(e))
                self.assertIn("Try: pip install transformers -U", str(e))

        
        
        for req in ["numpy??1.0.0", "numpy1.0.0"]:
            try:
                require_version_core(req)
            except ValueError as e:
                self.assertIn("requirement needs to be in the pip package format", str(e))
        
        for req in ["numpy=1.0.0", "numpy == 1.00", "numpy<>1.0.0", "numpy><1.00", "numpy>>1.0.0"]:
            try:
                require_version_core(req)
            except ValueError as e:
                self.assertIn("need one of ", str(e))

    def test_python(self):
        
        require_version("python>=3.6.0")

        
        for req in ["python>9.9.9", "python<3.0.0"]:
            try:
                require_version_core(req)
            except ImportError as e:
                self.assertIn(f"{req} is required", str(e))
                self.assertIn(f"but found python=={python_ver}", str(e))