Specification of Rhino version during installation

src/compas_rhino/__init__.py

@@ -16,6 +16,7 @@
 SUPPORTED_VERSIONS = ["5.0", "6.0", "7.0", "8.0"]
 DEFAULT_VERSION = "8.0"
 INSTALLED_VERSION = None
+INSTALLED_RHINO_VERSIONS = []
 
 INSTALLATION_ARGUMENTS = None
 
@@ -30,6 +31,7 @@
     "SUPPORTED_VERSIONS",
     "DEFAULT_VERSION",
     "INSTALLED_VERSION",
+    "INSTALLED_RHINO_VERSIONS",
     "IRONPYTHON_PLUGIN_GUID",
     "GRASSHOPPER_PLUGIN_GUID",
     "RHINOCYCLES_PLUGIN_GUID",
@@ -202,6 +204,44 @@ def _try_remove_bootstrapper(path):
 # =============================================================================
 
 
+def _get_application_folder():
+    if compas.WINDOWS:
+        return os.getenv("ProgramFiles")
+
+    if compas.OSX:
+        return os.path.join("/", "Applications")
+
+    raise Exception("Unsupported platform")
+
+
+def _get_installed_rhino_versions():
+    global INSTALLED_RHINO_VERSIONS
+
+    appfolder = _get_application_folder()
+    versions = []
+
+    if compas.WINDOWS:
+        for version in ["6", "7", "8", "9"]:
+            if os.path.exists(os.path.join(appfolder, "Rhino {}".format(version))):
+                versions.append(version)
+
+    elif compas.OSX:
+        if os.path.exists(os.path.join(appfolder, "Rhinocerso.app")):
+            versions.append("6")
+
+        for version in ["7", "8", "9"]:
+            if os.path.exists(os.path.join(appfolder, "Rhino {}.app".format(version))):
+                versions.append(version)
+
+    else:
+        raise Exception("Unsupported platform")
+
+    versions = ["{:.1f}".format(float(v)) for v in versions]
+    INSTALLED_RHINO_VERSIONS = versions
+
+    return versions
+
+
 def _get_rhino_application_folder(version):
     version = _check_rhino_version(version)
     version = version.split(".")[0]  # take the major only

src/compas_rhino/install.py

@@ -20,7 +20,7 @@ def install(version=None, packages=None, clean=False):
     ----------
     version : {'5.0', '6.0', '7.0', '8.0'}, optional
         The version number of Rhino.
-        Default is ``'7.0'``.
+        Default is the latest supported version you have installed.
     packages : list of str, optional
         List of packages to install or None to use default package list.
         Default is the result of ``installable_rhino_packages``,
@@ -41,8 +41,11 @@ def install(version=None, packages=None, clean=False):
         python -m compas_rhino.install
 
     """
+    version = "{:.1f}".format(float(version))
     version = compas_rhino._check_rhino_version(version)
 
+    # Check if the
+
     # We install COMPAS packages in the scripts folder
     # instead of directly as IPy module.
     # scripts_path = compas_rhino._get_rhino_scripts_path(version)

src/compas_rhino/print_installed_rhino_versions.py

@@ -0,0 +1,6 @@
+import compas_rhino
+
+
+if __name__ == "__main__":
+
+    print(compas_rhino._get_installed_rhino_versions())