80 lines
3.1 KiB
Python
80 lines
3.1 KiB
Python
import machine
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import os
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import TimeUtils
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class Logger():
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def __init__(self, hk_days):
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self.hk_days = hk_days
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self.TimeUtils = TimeUtils.TimeUtils()
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self.tempLogFile = True
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if not "logs" in os.listdir():
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os.mkdir("/logs")
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def LogMessage(self, message):
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print(message)
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lfname = "/logs/temp.txt"
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if not self.tempLogFile:
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dt = machine.RTC().datetime()
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lfname = ("/logs/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2]))
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dt = machine.RTC().datetime()
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file = open(lfname, "a")
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file.write(self.TimeUtils.DateTimeNow() + ";" + message + "\n")
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file.close()
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def Housekeeping(self):
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for file in os.listdir("/logs"):
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if (file.endswith(".txt")) and not (file == "temp.txt"):
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fd = file.split('.')[0].split('-')
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if (self.TimeUtils.IsOlderThanDays(fd, self.hk_days)):
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os.remove("/logs/" + file)
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self.LogMessage("Housekeeping: deleted logfile " + file)
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def LastLogs(self, lines):
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logfilename = "/logs/temp.txt"
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if not self.tempLogFile:
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dt = machine.RTC().datetime()
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logfilename = ("/logs/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2]))
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bufsize = 4096
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fsize = os.stat(logfilename)[6]
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iter = 0
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with open(logfilename, "r") as logfile:
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line_count = 0
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for line in logfile:
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line_count += 1
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if (lines > line_count):
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lines = line_count
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#todo if lines from todays logfile are less than the number of requested lines, read missing lines from yesterdays logfile - only if not tempLogFile!
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if bufsize > fsize:
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bufsize = fsize - 1
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fetched_lines = []
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while True:
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iter += 1
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try:
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logfile.seek(fsize - bufsize * iter)
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fetched_lines.extend(logfile.readlines())
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except:
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return "eof"
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break
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if len(fetched_lines) >= lines or logfile.tell() == 0:
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return "<br>".join(fetched_lines[-lines:])
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break
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def MergeTempLogfile(self):
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if not self.tempLogFile:
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tempLines = 0
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try:
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with open("/logs/temp.txt", "r") as tempfile:
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tlines = tempfile.readlines()
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dt = machine.RTC().datetime()
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with open(("/logs/%04d-%02d-%02d.txt" % (dt[0], dt[1], dt[2])), "a") as logfile:
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for line in tlines:
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tempLines += 1
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logfile.write(line)
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os.remove("/logs/temp.txt")
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self.LogMessage("Merged " + str(tempLines) + " lines from temp-logfile into this logfile")
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except OSError:
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pass
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def DisableTempLogfile(self):
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self.tempLogFile = False
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self.MergeTempLogfile() |