refactor into more reasonable namespaces

owrx/config.py

@@ -1,8 +1,7 @@
-import os
-
 import logging
 logger = logging.getLogger(__name__)
 
+
 class Property(object):
     def __init__(self, value = None):
         self.value = value
@@ -99,67 +98,3 @@ class PropertyManager(object):
                 continue
             self[name] = value
         return self
-
-
-class UnknownFeatureException(Exception):
-    pass
-
-class RequirementMissingException(Exception):
-    pass
-
-class FeatureDetector(object):
-    features = {
-        "core": [ "csdr", "nmux" ],
-        "rtl_sdr": [ "rtl_sdr" ],
-        "sdrplay": [ "rx_tools" ],
-        "hackrf": [ "hackrf_transfer" ]
-    }
-
-    def is_available(self, feature):
-        return self.has_requirements(self.get_requirements(feature))
-
-    def get_requirements(self, feature):
-        try:
-            return FeatureDetector.features[feature]
-        except KeyError:
-            raise UnknownFeatureException("Feature \"{0}\" is not known.".format(feature))
-
-    def has_requirements(self, requirements):
-        passed = True
-        for requirement in requirements:
-            methodname = "has_" + requirement
-            if hasattr(self, methodname) and callable(getattr(self, methodname)):
-                passed = passed and getattr(self, methodname)()
-            else:
-                logger.error("detection of requirement {0} not implement. please fix in code!".format(requirement))
-        return passed
-
-    def has_csdr(self):
-        return os.system("csdr 2> /dev/null") != 32512
-
-    def has_nmux(self):
-        return os.system("nmux --help 2> /dev/null") != 32512
-
-    def has_rtl_sdr(self):
-        return os.system("rtl_sdr --help 2> /dev/null") != 32512
-
-    def has_rx_tools(self):
-        return os.system("rx_sdr --help 2> /dev/null") != 32512
-
-    """
-    To use a HackRF, compile the HackRF host tools from its "stdout" branch:
-     git clone https://github.com/mossmann/hackrf/
-     cd hackrf
-     git fetch
-     git checkout origin/stdout
-     cd host
-     mkdir build
-     cd build
-     cmake .. -DINSTALL_UDEV_RULES=ON
-     make
-     sudo make install
-    """
-    def has_hackrf_transfer(self):
-        # TODO i don't have a hackrf, so somebody doublecheck this.
-        # TODO also check if it has the stdout feature
-        return os.system("hackrf_transfer --help 2> /dev/null") != 32512