Hi, Colin
Does your text file use newlines ('\n') as line delineators? Perhaps it is
using the MS-DOS standard of '\n\r'? Examine the file carefully and make
sure it contains what you think it contains.
-tk
On Mon, May 6, 2019 at 8:05 PM Colin Larsen <colin.lar...@gmail.com> wrote:
> Hi all
>
> I'm trying to get Filepile working but have come across an error that I
> don't understand. Any help appreciated. The database has been extended with
> fields to match those below in the data file - am I just missing spaces in
> the layout? Should it be AQI25 = 1.60 etc etc
>
> Many thanks
>
> This is my data file;
>
> AQI25=1.60
>
> AQI100=3.30
>
> AQIIndex=6
>
> AQICO2=683
>
>
> This is my stanza in weewx.conf
>
>
> ##############################################################################
>
>
> # This section is for FilePile
>
>
> [FilePile]
>
>
> filename = /home/pi/AQIData.txt
>
> unit_system = METRIC
>
>
>
> ##############################################################################
>
>
> This is my filepile.py (modified from original to suit)
>
>
> *import* syslog
>
> *import* weewx
>
> *import* weewx.units
>
> *from* weewx.wxengine *import* StdService
>
> *from* weeutil.weeutil *import* to_float
>
>
> weewx.units.USUnits[*'group_gas_concentration'*] = *'ppm'*
>
> weewx.units.MetricUnits[*'group_gas_concentration'*] = *'ppm'*
>
> weewx.units.MetricWXUnits[*'group_gas_concentration'*] = *'ppm'*
>
> weewx.units.default_unit_format_dict[*'ppm'*] = *'%.0f'*
>
> weewx.units.default_unit_label_dict[*'ppm'*] = *' ppm'*
>
>
> weewx.units.USUnits[*'group_dust'*] = *'microgramm_per_meter_cubic'*
>
> weewx.units.MetricUnits[*'group_dust'*] = *'microgramm_per_meter_cubic'*
>
> weewx.units.MetricWXUnits[*'group_dust'*] = *'microgramm_per_meter_cubic'*
>
> weewx.units.default_unit_format_dict[*'microgramm_per_meter_cubic'*] =
> *'%.1f'*
>
> weewx.units.default_unit_label_dict[*'microgramm_per_meter_cubic'*] = *'
> \xce\xbcg/m\xc2\xb3'*
>
>
> *class* FilePile(StdService):
>
> *"""WeeWX service for augmenting a record with data parsed from a
> file."""*
>
>
> *def** __init__*(self, engine, config_dict):
>
> * # Initialize my superclass:*
>
> super(FilePile, self).__init__(engine, config_dict)
>
> * # Extract our stanza from the configuration dicdtionary*
>
> filepile_dict = config_dict.get(*'FilePile'*, {})
>
> * # Get the location of the file ...*
>
> self.filename = filepile_dict.get(*'filename'*,
> *'/var/tmp/filepile.txt'*)
>
> * # ... and the unit system it will use*
>
> unit_system_name = filepile_dict.get(*'unit_system'*, *'METRICWX'*
> ).strip().upper()
>
> * # Make sure we know about the unit system. If not, raise an
> exception.*
>
> *if* unit_system_name *not* *in* weewx.units.unit_constants:
>
> *raise* ValueError(*"FilePile: Unknown unit system: %s"* %
> unit_system_name)
>
> * # Use the numeric code for the unit system*
>
> self.unit_system = weewx.units.unit_constants[unit_system_name]
>
>
> * # Mapping from variable names to weewx names*
>
> self.label_map = filepile_dict.get(*'label_map'*, {})
>
> syslog.syslog(syslog.LOG_INFO, *"filepile: Using %s with the '%s'
> unit system"*
>
> % (self.filename, unit_system_name))
>
> syslog.syslog(syslog.LOG_INFO, *"filepile: Label map is %s"* %
> self.label_map)
>
>
> * # Bind to the NEW_ARCHIVE_RECORD event*
>
> self.bind(weewx.NEW_ARCHIVE_RECORD, self.new_archive_record)
>
>
> *def** new_archive_record*(self, event):
>
> new_record_data = {}
>
> *try*:
>
> *with* open(self.filename, *'r'*) *as* fd:
>
> *for* line *in* fd:
>
> eq_index = line.find(*'='*)
>
> * # Ignore all lines that do not have an equal sign*
>
> *if* eq_index == -1:
>
> *continue*
>
> name = line[:eq_index].strip()
>
> value = line[eq_index + 1:].strip()
>
> new_record_data[self.label_map.get(name, name)] =
> to_float(value)
>
> * # Supply a unit system if one wasn't included in the
> file*
>
> *if* *'usUnits'* *not* *in* new_record_data:
>
> new_record_data[*'usUnits'*] = self.unit_system
>
> * # Convert the new values to the same unit system as the
> record*
>
> target_data = weewx.units.to_std_system(new_record_data,
> event.record[*'usUnits'*])
>
> * # Add the converted values to the record:*
>
> event.record.update(target_data)
>
> *except* IOError *as* e:
>
> syslog.syslog(syslog.LOG_ERR, *"FilePile: Cannot open file.
> Reason: %s"* % e)
>
> This is the syslog error;
>
> May 7 14:50:16 raspberrypi weewx[6605]: engine: Caught unrecoverable
> exception in engine:
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** invalid literal for
> float(): 1.60#015AQI100=3.30#015AQIIndex=6#015AQICO2=683
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** Traceback (most recent
> call last):
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weewx/engine.py", line 890, in main
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** engine.run()
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weewx/engine.py", line 202, in run
>
> May 7 14:50:16 raspberrypi weewx[6605]: ****
> self.dispatchEvent(weewx.Event(weewx.POST_LOOP))
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weewx/engine.py", line 224, in dispatchEvent
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** callback(event)
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weewx/engine.py", line 574, in post_loop
>
> May 7 14:50:16 raspberrypi weewx[6605]: ****
> self._software_catchup()
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weewx/engine.py", line 646, in _software_catchup
>
> May 7 14:50:16 raspberrypi weewx[6605]: ****
> self.engine.dispatchEvent(weewx.Event(weewx.NEW_ARCHIVE_RECORD,
> record=record, origin='software'))
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weewx/engine.py", line 224, in dispatchEvent
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** callback(event)
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/user/filepile.py", line 91, in new_archive_record
>
> May 7 14:50:16 raspberrypi weewx[6605]: ****
> new_record_data[self.label_map.get(name,
> name)] = to_float(value)
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** File
> "/usr/share/weewx/weeutil/weeutil.py", line 1280, in to_float
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** return float(x) if
> x is not None else None
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** ValueError: invalid
> literal for float(): 1.60#015AQI100=3.30#015AQIIndex=6#015AQICO2=683
>
> May 7 14:50:16 raspberrypi weewx[6605]: **** Exiting.
>
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