Fix config command

poetry/console/commands/config.py

@@ -64,18 +64,20 @@ To remove a repository (repo is a short alias for repositories):
         return unique_config_values
 
     def initialize(self, i, o):
+        from poetry.utils._compat import decode
+
         super(ConfigCommand, self).initialize(i, o)
 
         # Create config file if it does not exist
         if not self._config.file.exists():
             self._config.file.parent.mkdir(parents=True, exist_ok=True)
-            with self._config.file.open("w") as f:
-                f.write(TEMPLATE)
+            with self._config.file.open("w", encoding="utf-8") as f:
+                f.write(decode(TEMPLATE))
 
         if not self._auth_config.file.exists():
             self._auth_config.file.parent.mkdir(parents=True, exist_ok=True)
-            with self._auth_config.file.open("w") as f:
-                f.write(AUTH_TEMPLATE)
+            with self._auth_config.file.open("w", encoding="utf-8") as f:
+                f.write(decode(AUTH_TEMPLATE))
 
     def handle(self):
         if self.option("list"):

pyproject.toml

@@ -39,8 +39,9 @@ shellingham = "^1.1"
 # The typing module is not in the stdlib in Python 2.7 and 3.4
 typing = { version = "^3.6", python = "~2.7 || ~3.4" }
 
-# Use pathlib2 and virtualenv for Python 2.7
-pathlib2 = { version = "^2.3", python = "~2.7" }
+# Use pathlib2 for Python 2.7 and 3.4
+pathlib2 = { version = "^2.3", python = "~2.7 || ~3.4" }
+# Use virtualenv for Python 2.7 since venv does not exist
 virtualenv = { version = "^16.0", python = "~2.7" }
 
 [tool.poetry.dev-dependencies]

tests/console/commands/test_config.py

@@ -11,6 +11,8 @@ from poetry.utils.toml_file import TomlFile
 @pytest.fixture
 def config():
     with tempfile.NamedTemporaryFile() as f:
+        f.close()
+
         return Config(TomlFile(f.name))