Use configured repositories as sources by default

This change adds globally configured extra repositories from config.toml
as dependency sources. These are added after project specific sources
and before PyPI.

Resolves: python-poetry#625

docs/docs/repositories.md

@@ -54,7 +54,11 @@ with the `--username` and `--password` options.
 Now that you can publish to your private repository, you need to be able to
 install dependencies from it.
 
-For that, you have to edit your `pyproject.toml` file, like so
+By default, Poetry uses all repositories configured as shown above for package
+installation.
+
+If you would like to use a repository that was not configured like above, you have to
+edit your `pyproject.toml` file, like so
 
 ```toml
 [[tool.poetry.source]]

poetry/poetry.py

@@ -46,6 +46,17 @@ def __init__(
         for source in self._local_config.get("source", []):
             self._pool.add_repository(self.create_legacy_repository(source))
 
+        # Add any additional repositories configured globally as source
+        # This is done after local config sources and before PyPI
+        extra_repositories = self._config.setting("repositories", default={})
+        for repository_name, repository_config in extra_repositories.items():
+            if "url" in repository_config:
+                self._pool.add_repository(
+                    self.create_legacy_repository(
+                        {"name": repository_name, "url": repository_config["url"]}
+                    )
+                )
+
         # Always put PyPI last to prefer private repositories
         self._pool.add_repository(PyPiRepository())
 

tests/fixtures/config_with_repositories/auth.toml

@@ -0,0 +1 @@
+[http-basic]

tests/fixtures/config_with_repositories/config.toml

@@ -0,0 +1,5 @@
+[settings]
+
+[repositories]
+[repositories.foo]
+url = "https://baz.com"

tests/fixtures/simple_project/pyproject.toml

@@ -23,3 +23,8 @@ classifiers = [
 # Requirements
 [tool.poetry.dependencies]
 python = "~2.7 || ^3.6"
+
+# Extra Source
+[[tool.poetry.source]]
+name = "foo"
+url = "https://bar.com"

tests/test_poetry.py

@@ -3,10 +3,16 @@
 from __future__ import unicode_literals
 
 from poetry.poetry import Poetry
+from poetry.repositories.pypi_repository import PyPiRepository
 from poetry.utils._compat import PY2
 from poetry.utils._compat import Path
 from poetry.utils.toml_file import TomlFile
 
+if PY2:
+    from mock import patch
+else:
+    from unittest.mock import patch
+
 
 fixtures_dir = Path(__file__).parent / "fixtures"
 
@@ -152,3 +158,23 @@ def test_check_fails():
         )
 
     assert Poetry.check(content) == {"errors": [expected], "warnings": []}
+
+
+@patch("poetry.config.CONFIG_DIR", fixtures_dir / "config_with_repositories")
+def test_sources():
+    poetry = Poetry.create(str(fixtures_dir / "simple_project"))
+    repositories = [
+        r._url for r in poetry.pool.repositories if isinstance(r, PyPiRepository)
+    ]
+
+    source_local = "https://bar.com"
+    source_global = "https://baz.com"
+    source_pypi = "https://pypi.org/"
+
+    assert source_local in repositories
+    assert source_global in repositories
+    assert source_pypi in repositories
+
+    assert repositories.index(source_local) < repositories.index(source_global)
+    assert repositories.index(source_global) < repositories.index(source_pypi)
+    assert repositories.index(source_pypi) == len(repositories) - 1