inspection(dir): prefer poetry config over egg-info

poetry/inspection/info.py

@@ -498,16 +498,16 @@ class PackageInfo:
         :param path: Path to generate package information from.
         :param allow_build: If enabled, as a fallback, build the project to gather metadata.
         """
+        project_package = cls._get_poetry_package(path)
+        if project_package:
+            return cls.from_package(project_package)
+
         info = cls.from_metadata(path)
 
         if info and info.requires_dist is not None:
             # return only if requirements are discovered
             return info
 
-        project_package = cls._get_poetry_package(path)
-        if project_package:
-            return cls.from_package(project_package)
-
         try:
             if not allow_build:
                 return cls.from_setup_files(path)

tests/fixtures/inspection/demo_with_obsolete_egg_info/demo-0.1.0.egg-info/PKG-INFO

+Metadata-Version: 1.0
+Name: demo
+Version: 0.1.0
+Summary: Demo project.
+Home-page: https://github.com/demo/demo
+Author: Sébastien Eustace
+Author-email: sebastien@eustace.io
+License: MIT
+Description: UNKNOWN
+Platform: UNKNOWN

tests/fixtures/inspection/demo_with_obsolete_egg_info/demo-0.1.0.egg-info/requires.txt

+cleo; extra == "foo"
+pendulum (>=1.0.0)
+tomlkit; extra == "bar"

tests/fixtures/inspection/demo_with_obsolete_egg_info/pyproject.toml

+[tool.poetry]
+name = "demo"
+version = "0.1.0"
+description = ""
+authors = ["Sébastien Eustace <sebastien@eustace.io>"]
+
+[tool.poetry.dependencies]
+python = "~2.7 || ^3.4"
+pendulum = ">=1.4.4"
+cleo = {version = "*", optional = true}
+tomlkit = {version = "*", optional = true}
+
+[tool.poetry.extras]
+foo = ["cleo"]
+bar = ["tomlkit"]
+
+[tool.poetry.dev-dependencies]
+pytest = "^3.0"

tests/inspection/test_info.py

@@ -211,3 +211,10 @@ def test_info_setup_complex_disable_build(mocker, demo_setup_complex):
     assert info.name == "demo"
     assert info.version == "0.1.0"
     assert info.requires_dist is None
+
+
+def test_info_prefer_poetry_config_over_egg_info():
+    info = PackageInfo.from_directory(
+        FIXTURE_DIR_INSPECTIONS / "demo_with_obsolete_egg_info"
+    )
+    demo_check_info(info)