Resolve azure-devops dependency

Signed-off-by: Tushar Goel <tushar.goel.dav@gmail.com>

Author: TG1999

src/python_inspector/resolution.py

@@ -192,10 +192,11 @@ def is_valid_version(
     """
     Return True if the parsed_version is valid for the given identifier.
     """
-    if (
-        any(parsed_version not in r.specifier for r in requirements[identifier])
-        or parsed_version in bad_versions
-    ):
+    if parsed_version in bad_versions:
+        return False
+    if any(parsed_version not in r.specifier for r in requirements[identifier]):
+        if parsed_version.is_prerelease:
+            return True
         return False
     return True
 
@@ -504,6 +505,8 @@ def find_matches(
 
     def is_satisfied_by(self, requirement: Requirement, candidate: Candidate) -> bool:
         """Whether the given requirement can be satisfied by a candidate. Overridden."""
+        if candidate.version.is_prerelease:
+            return True
         return candidate.version in requirement.specifier
 
     def _iter_dependencies(self, candidate: Candidate) -> Generator[Requirement, None, None]:

tests/data/azure-devops.req-expected.json

@@ -0,0 +1,3 @@
+azure-devops
+azure-storage-blob
+click

tests/data/azure-devops.req.txt

@@ -162,6 +162,24 @@ def test_cli_with_environment_marker_and_complex_ranges():
     )
 
 
+@pytest.mark.online
+def test_cli_with_azure_devops():
+    requirements_file = test_env.get_test_loc("azure-devops.req.txt")
+    expected_file = test_env.get_test_loc("azure-devops.req-expected.json", must_exist=False)
+    extra_options = [
+        "--operating-system",
+        "linux",
+        "--python-version",
+        "38",
+    ]
+    check_requirements_resolution(
+        requirements_file=requirements_file,
+        expected_file=expected_file,
+        extra_options=extra_options,
+        regen=REGEN_TEST_FIXTURES,
+    )
+
+
 @pytest.mark.online
 def test_cli_with_multiple_index_url_and_tilde_req_with_max_rounds():
     expected_file = test_env.get_test_loc("tilde_req-expected.json", must_exist=False)