First steps for Flask API, print returns a string instead of printing, get() function to get values as JSON array, serialize() function to get values as Python list object
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@ -1,5 +1,6 @@
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import minimalmodbus
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import logging
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from flask import jsonify
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class EnerventCoil():
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"""Single coil data structure"""
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@ -115,14 +116,27 @@ class Coils():
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return self.value(address, debug)
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def value(self, address, debug=False):
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"""Return local coil value"""
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"""Get single local coil value"""
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if debug: self.coillogger.debug("Reading coil value from cache")
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return self.coils[address].value
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def print(self, debug=False):
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"""Human-readable print of all coil values"""
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coilvals = ""
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for i, coil in enumerate(self.coils):
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print(f"Coil {i}\t{coil.value} [{coil.symbol}] ({coil.description})")
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coilvals = coilvals + f"Coil {i}\t{coil.value} [{coil.symbol}] ({coil.description})\n"
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return coilvals
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def serialize(self):
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"""Returns coil values as parseable Python object"""
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coilvals = []
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for coil in self.coils:
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coilvals.append({"value": coil.value, "symbol": coil.symbol, "description": coil.description, "reserved": coil.reserved})
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return coilvals
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def get(self, live=False):
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"""Return all coil values in JSON format"""
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return jsonify(self.serialize())
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class PingvinKL():
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"""Class for communicating with an Enervent Pinvin Kotilämpö ventilation/heating unit"""
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@ -1,6 +1,7 @@
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#!/usr/bin/env python
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import logging
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from EnerventCoils import PingvinKL
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from flask import Flask
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VERSION = "0.0.1"
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DEBUG = False
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@ -13,9 +14,16 @@ logging.basicConfig(
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datefmt='%y/%m/%d %H:%M:%S'
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)
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pingvin = PingvinKL('/dev/ttyS0',1,debug=DEBUG)
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app = Flask(__name__)
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@app.route('/api/v1/coils')
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def index():
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return pingvin.coils.get()
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if __name__ == "__main__":
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log.info(f"Starting enervent-logger {VERSION}")
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pingvin = PingvinKL('/dev/ttyS0',1,debug=DEBUG)
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print(pingvin.coils.value(1, debug=DEBUG))
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print(pingvin.coils.fetchValue(1, debug=DEBUG))
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print(pingvin.coils.print())
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# print(pingvin.coils.value(1, debug=DEBUG))
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# print(pingvin.coils.fetchValue(1, debug=DEBUG))
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# print(pingvin.coils.print())
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app.run(host='0.0.0.0',port=8888,debug=True)
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