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python3-vckonline/lib/python3.8/site-packages/pop/mods/conf/nix_os.py

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+"""
+The os module is used to gather configuration options from the OS facility
+to send configuration options into applications. In the case of Unix like
+systems this translates to the environment variables. On Windows systems
+this translates to the registry.
+"""
+# Import python libs
+import os
+import pop.hub
+
+__virtualname__ = "os"
+
+
+def __virtual__(hub):
+    """
+    Don't load on Windows, this is for *nix style platforms
+    """
+    # TODO: detect if windows
+    return True
+
+
+def gather(hub: "pop.hub.Hub", defaults):
+    """
+    Iterate over the default config data and look for os: True/str options. When set
+    gather the option from environment variables is present
+    """
+    ret = {}
+    for key in defaults:
+        if not "os" in defaults[key]:
+            continue
+        os_var = defaults[key]["os"]
+        if os_var is True:
+            os_var = key
+        os_var = os_var.upper()
+        if os_var in os.environ:
+            ret[key] = os.environ[os_var]
+    return ret