dev(hansbug): add host addrs

Author: HansBug

plantumlcli/models/base.py

@@ -8,7 +8,7 @@
 def _has_cairosvg():
     try:
         import cairosvg
-    except (ImportError, ModuleNotFoundError):
+    except (ImportError, ModuleNotFoundError, OSError):
         return False
     else:
         return True

test/entry/conftest.py

@@ -31,7 +31,7 @@ def uml_large():
 def _has_cairosvg():
     try:
         import cairosvg
-    except (ImportError, ModuleNotFoundError):
+    except (ImportError, ModuleNotFoundError, OSError):
         return False
     else:
         return True

test/models/conftest.py

@@ -18,7 +18,7 @@ def uml_helloworld_code(uml_helloworld):
 def _has_cairosvg():
     try:
         import cairosvg
-    except (ImportError, ModuleNotFoundError):
+    except (ImportError, ModuleNotFoundError, OSError):
         return False
     else:
         return True

test/models/test_remote.py

@@ -16,7 +16,12 @@
 class TestModelsRemote:
     @pytest.fixture()
     def host(self, is_official, plantuml_host):
-        return OFFICIAL_PLANTUML_HOST if is_official else plantuml_host
+        host_addr = OFFICIAL_PLANTUML_HOST if is_official else plantuml_host
+        if not host_addr:
+            pytest.skip('No plantuml host assigned')
+            return None
+        else:
+            return host_addr
 
     @pytest.fixture()
     def plantuml(self, host):