Allow for period as a prefix and yaml extension for config file

readthedocs/config/config.py

@@ -31,7 +31,7 @@
 )
 
 ALL = 'all'
-CONFIG_FILENAMES = ('readthedocs.yml', '.readthedocs.yml')
+CONFIG_FILENAME_REGEX = r'\.?readthedocs.ya?ml'
 
 CONFIG_NOT_SUPPORTED = 'config-not-supported'
 VERSION_INVALID = 'version-invalid'
@@ -48,7 +48,7 @@
 
 DOCKER_DEFAULT_IMAGE = 'readthedocs/build'
 DOCKER_DEFAULT_VERSION = '2.0'
-# These map to coordisponding settings in the .org,
+# These map to corresponding settings in the .org,
 # so they haven't been renamed.
 DOCKER_IMAGE = '{}:{}'.format(DOCKER_DEFAULT_IMAGE, DOCKER_DEFAULT_VERSION)
 DOCKER_IMAGE_SETTINGS = {
@@ -903,16 +903,12 @@ def load(path, env_config):
     the version of the configuration a build object would be load and validated,
     ``BuildConfigV1`` is the default.
     """
-    filename = find_one(path, CONFIG_FILENAMES)
+    filename = find_one(path, CONFIG_FILENAME_REGEX)
 
     if not filename:
-        files = '{}'.format(', '.join(map(repr, CONFIG_FILENAMES[:-1])))
-        if files:
-            files += ' or '
-        files += '{!r}'.format(CONFIG_FILENAMES[-1])
         raise ConfigError(
-            'No files {} found'.format(files),
-            code=CONFIG_REQUIRED,
+            'No configuration file found',
+            code=CONFIG_REQUIRED
         )
     build_configs = []
     with open(filename, 'r') as configuration_file:

readthedocs/config/find.py

@@ -3,20 +3,21 @@
 from __future__ import division, print_function, unicode_literals
 
 import os
+import re
 
 
-def find_all(path, filenames):
-    """Find all files in ``path`` that match in ``filenames``."""
+def find_all(path, filename_regex):
+    """Find all files in ``path`` that match ``filename_regex`` regex."""
     path = os.path.abspath(path)
     for root, dirs, files in os.walk(path, topdown=True):
         dirs.sort()
-        for filename in filenames:
-            if filename in files:
+        for filename in files:
+            if re.match(filename_regex, filename):
                 yield os.path.abspath(os.path.join(root, filename))
 
 
-def find_one(path, filenames):
-    """Find the first file in ``path`` that match in ``filenames``."""
-    for _path in find_all(path, filenames):
+def find_one(path, filename_regex):
+    """Find the first file in ``path`` that match ``filename_regex`` regex."""
+    for _path in find_all(path, filename_regex):
         return _path
     return ''

readthedocs/config/tests/test_config.py

@@ -3,6 +3,7 @@
 
 import os
 import textwrap
+import re
 
 import pytest
 from mock import DEFAULT, patch
@@ -13,7 +14,7 @@
     ConfigOptionNotSupportedError, InvalidConfig, ProjectConfig, load)
 from readthedocs.config.config import (
     CONFIG_NOT_SUPPORTED, NAME_INVALID, NAME_REQUIRED, PYTHON_INVALID,
-    VERSION_INVALID)
+    VERSION_INVALID, CONFIG_FILENAME_REGEX)
 from readthedocs.config.models import Conda
 from readthedocs.config.validation import (
     INVALID_BOOL, INVALID_CHOICE, INVALID_LIST, INVALID_PATH, INVALID_STRING)
@@ -50,6 +51,13 @@
     'nested': minimal_config_dir,
 }
 
+yaml_extension_config_dir = {
+    'readthedocs.yaml': '''\
+name: docs
+type: sphinx
+'''
+}
+
 
 def get_build_config(config, env_config=None, source_file='readthedocs.yml',
                      source_position=0):
@@ -138,6 +146,14 @@ def test_load_unknow_version(tmpdir):
     assert excinfo.value.code == VERSION_INVALID
 
 
+def test_yaml_extension(tmpdir):
+    """Make sure it's capable of loading the 'readthedocs' file with a 'yaml' extension."""
+    apply_fs(tmpdir, yaml_extension_config_dir)
+    base = str(tmpdir)
+    config = load(base, env_config)
+    assert len(config) == 1
+
+
 def test_build_config_has_source_file(tmpdir):
     base = str(apply_fs(tmpdir, minimal_config_dir))
     build = load(base, env_config)[0]
@@ -766,6 +782,13 @@ def test_raise_config_not_supported():
     assert excinfo.value.code == CONFIG_NOT_SUPPORTED
 
 
+@pytest.mark.parametrize('correct_config_filename',
+                         [prefix + 'readthedocs.' + extension for prefix in {"", "."}
+                          for extension in {"yml", "yaml"}])
+def test_config_filenames_regex(correct_config_filename):
+    assert re.match(CONFIG_FILENAME_REGEX, correct_config_filename)
+
+
 class TestBuildConfigV2(object):
 
     def get_build_config(self, config, env_config=None,

readthedocs/config/tests/test_find.py

@@ -12,15 +12,15 @@
 
 def test_find_no_files(tmpdir):
     with tmpdir.as_cwd():
-        paths = list(find_all(os.getcwd(), ('readthedocs.yml',)))
+        paths = list(find_all(os.getcwd(), r'readthedocs.yml'))
     assert len(paths) == 0
 
 
 def test_find_at_root(tmpdir):
     apply_fs(tmpdir, {'readthedocs.yml': '', 'otherfile.txt': ''})
 
     base = str(tmpdir)
-    paths = list(find_all(base, ('readthedocs.yml',)))
+    paths = list(find_all(base, r'readthedocs\.yml'))
     assert paths == [
         os.path.abspath(os.path.join(base, 'readthedocs.yml'))
     ]
@@ -42,11 +42,11 @@ def test_find_nested(tmpdir):
     apply_fs(tmpdir, {'first/readthedocs.yml': ''})
 
     base = str(tmpdir)
-    paths = list(find_all(base, ('readthedocs.yml',)))
-    assert set(paths) == set([
+    paths = set(find_all(base, r'readthedocs\.yml'))
+    assert paths == {
         str(tmpdir.join('first', 'readthedocs.yml')),
         str(tmpdir.join('third', 'readthedocs.yml')),
-    ])
+    }
 
 
 def test_find_multiple_files(tmpdir):
@@ -66,31 +66,22 @@ def test_find_multiple_files(tmpdir):
     apply_fs(tmpdir, {'first/readthedocs.yml': ''})
 
     base = str(tmpdir)
-    paths = list(find_all(base, ('readthedocs.yml',
-                                 '.readthedocs.yml')))
-    assert paths == [
+    paths = set(find_all(base, r'\.?readthedocs\.yml'))
+    assert paths == {
         str(tmpdir.join('first', 'readthedocs.yml')),
         str(tmpdir.join('first', '.readthedocs.yml')),
         str(tmpdir.join('third', 'readthedocs.yml')),
-    ]
-
-    paths = list(find_all(base, ('.readthedocs.yml',
-                                 'readthedocs.yml')))
-    assert paths == [
-        str(tmpdir.join('first', '.readthedocs.yml')),
-        str(tmpdir.join('first', 'readthedocs.yml')),
-        str(tmpdir.join('third', 'readthedocs.yml')),
-    ]
+    }
 
 
 @pytest.mark.skipif(not six.PY2, reason='Only for python2')
 def test_find_unicode_path(tmpdir):
     base_path = os.path.abspath(
         os.path.join(os.path.dirname(__file__), 'fixtures/bad_encode_project')
     )
-    path = find_one(base_path, ('readthedocs.yml',))
+    path = find_one(base_path, r'readthedocs\.yml')
     assert path == ''
     unicode_base_path = base_path.decode('utf-8')
     assert isinstance(unicode_base_path, unicode)
-    path = find_one(unicode_base_path, ('readthedocs.yml',))
+    path = find_one(unicode_base_path, r'readthedocs\.yml')
     assert path == ''