Add 'exclude' tuple to check_requirements() (#2041)

utils/general.py

@@ -79,11 +79,11 @@ def check_git_status():
         print(e)
 
 
-def check_requirements(file='requirements.txt'):
+def check_requirements(file='requirements.txt', exclude=()):
     # Check installed dependencies meet requirements
     import pkg_resources
-    requirements = pkg_resources.parse_requirements(Path(file).open())
-    requirements = [x.name + ''.join(*x.specs) if len(x.specs) else x.name for x in requirements]
+    requirements = [f'{x.name}{x.specifier}' for x in pkg_resources.parse_requirements(Path(file).open())
+                    if x.name not in exclude]
     pkg_resources.require(requirements)  # DistributionNotFound or VersionConflict exception if requirements not met