Changed CLI View Prefix

contributors.yaml

@@ -114,4 +114,8 @@ contributors:
   -
     family-names: Tork
     given-names: Parisa
+  -
+    family-names: Takada
+    given-names: Kody
+    affiliation: "University of Michigan"
 ...

signac/__main__.py

@@ -1184,7 +1184,8 @@ def main():
         "$ signac view $PREFIX $VIEW_PATH -f $FILTERS -d $DOC_FILTERS.",
     )
     parser_view.add_argument(
-        "prefix",
+        "-p",
+        "--prefix",
         type=str,
         nargs="?",
         default="view",

tests/test_shell.py

@@ -185,6 +185,22 @@ def test_view(self):
                 "view/a/{}/job".format(sp["a"])
             ) == os.path.realpath(project.open_job(sp).path)
 
+    @pytest.mark.skipif(WINDOWS, reason="Symbolic links are unsupported on Windows.")
+    def test_view_prefix(self):
+        self.call("python -m signac init".split())
+        project = signac.Project()
+        sps = [{"a": i} for i in range(3)]
+        for sp in sps:
+            project.open_job(sp).init()
+        os.mkdir("view")
+        self.call("python -m signac view --prefix view/test_dir".split())
+        for sp in sps:
+            assert os.path.isdir("view/test_dir/a/{}".format(sp["a"]))
+            assert os.path.isdir("view/test_dir/a/{}/job".format(sp["a"]))
+            assert os.path.realpath(
+                "view/test_dir/a/{}/job".format(sp["a"])
+            ) == os.path.realpath(project.open_job(sp).path)
+
     @pytest.mark.skipif(WINDOWS, reason="Symbolic links are unsupported on Windows.")
     def test_view_incomplete_path_spec(self):
         self.call("python -m signac init".split())
@@ -197,7 +213,7 @@ def test_view_incomplete_path_spec(self):
         # An error should be raised if the user-provided path function
         # doesn't make a 1-1 mapping.
         err = self.call(
-            "python -m signac view view non_unique".split(),
+            "python -m signac view non_unique".split(),
             error=True,
             raise_error=False,
         )