new option fallback_urls; by default it contains the http domain of…

… OmniPath

omnipath/_core/utils/_options.py

@@ -89,6 +89,11 @@ class Options:
         validator=[attr.validators.instance_of(str), _is_valid_url],
         on_setattr=attr.setters.validate,
     )
+    fallback_urls: tuple[str] = attr.ib(
+        default=DEFAULT_OPTIONS.fallback_urls,
+        converter=(lambda val: (val,) if isinstance(val, str) else tuple(val)),
+        on_setattr=attr.setters.convert,
+    )
     license: License = attr.ib(
         default=None,
         validator=attr.validators.optional(attr.validators.instance_of((str, License))),

omnipath/constants/_pkg_constants.py

@@ -31,6 +31,7 @@ class DEFAULT_OPTIONS:
     """Default options for :attr:`omnipath.options`."""
 
     url: str = "https://omnipathdb.org"
+    fallback_urls: tuple[str] = ("http://no-tls.omnipathdb.org",)
     license: Optional[License] = None
     num_retries: int = 3
     timeout: int = 600

tests/conftest.py

@@ -52,6 +52,7 @@ def options() -> "Options":
     opt = Options.from_config()
     opt.cache = "memory"
     opt.progress_bar = False
+    opt.fallback_urls = ()
     return opt
 
 
@@ -97,6 +98,7 @@ def server_url():
 
 @pytest.fixture(scope="function")
 def downloader(options) -> "Downloader":
+    options.fallback_urls = ()
     return Downloader(options)
 
 

tests/test_downloader.py

@@ -12,6 +12,8 @@
 from omnipath.constants._pkg_constants import UNKNOWN_SERVER_VERSION, Endpoint
 from omnipath._core.downloader._downloader import Downloader, _get_server_version
 
+opt.fallback_urls = ()
+
 
 class TestDownloader:
     def test_options_wrong_type(self):

tests/test_interactions.py

@@ -28,6 +28,8 @@
     lncRNAmRNA,
 )
 
+options.fallback_urls = ()
+
 
 class TestInteractions:
     def test_all_excluded_excluded(self):

tests/test_options.py

@@ -101,6 +101,7 @@ def test_write_config(self, options: Options, config_backup):
         options.timeout = 1337
         options.license = License.COMMERCIAL
         options.password = "foobarbaz"
+        options.fallback_urls = DEFAULT_OPTIONS.fallback_urls
         options.write()
 
         new_opt = Options.from_config()
@@ -118,6 +119,7 @@ def test_write_config(self, options: Options, config_backup):
 
     def test_write_new_section(self, options: Options, config_backup):
         options.timeout = 42
+        options.fallback_urls = DEFAULT_OPTIONS.fallback_urls
         options.write("https://foo.bar")
 
         new_opt = Options.from_config("https://foo.bar")

tests/test_requests.py

@@ -18,6 +18,8 @@
 from omnipath.constants._pkg_constants import Key, Endpoint
 from omnipath._core.requests._annotations import _MAX_N_PROTS
 
+options.fallback_urls = ()
+
 
 class TestEnzsub:
     def test_str_repr(self):