55 lines
1.7 KiB
Python
55 lines
1.7 KiB
Python
import os
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class Property(object):
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def __init__(self, value = None):
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self.value = value
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self.callbacks = []
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def getValue(self):
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return self.value
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def setValue(self, value):
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self.value = value
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for c in self.callbacks:
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c(self.value)
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return self
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def wire(self, callback):
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self.callbacks.append(callback)
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if not self.value is None: callback(self.value)
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return self
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class PropertyManager(object):
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sharedInstance = None
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@staticmethod
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def getSharedInstance():
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if PropertyManager.sharedInstance is None:
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PropertyManager.sharedInstance = PropertyManager()
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return PropertyManager.sharedInstance
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def __init__(self):
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self.properties = {}
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def getProperty(self, name):
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if not name in self.properties:
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self.properties[name] = Property()
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return self.properties[name]
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def getPropertyValue(self, name):
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return self.getProperty(name).getValue()
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class RequirementMissingException(Exception):
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pass
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class FeatureDetector(object):
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def detectAllFeatures(self):
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print("Starting Feature detection")
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self.detect_csdr()
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self.detect_nmux()
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print("Feature detection completed.")
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def detect_csdr(self):
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if os.system("csdr 2> /dev/null") == 32512: #check for csdr
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raise RequirementMissingException("You need to install \"csdr\" to run OpenWebRX!")
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def detect_nmux(self):
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if os.system("nmux --help 2> /dev/null") == 32512: #check for nmux
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raise RequirementMissingException("You need to install an up-to-date version of \"csdr\" that contains the \"nmux\" tool to run OpenWebRX! Please upgrade \"csdr\"!")
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