zebpalmer/weatheralerts

Python script to parse the National Weather Service 'Cap' Alerts Feed and do interesting things with it.

WeatherAlerts README

2017 PROJECT STATUS

This package is old and in need of TLC but, surprisingly, I continue to get questions about it. So, I'm finally going to revamp it. I actually started that last year, but life (toddler) didn't seem to let me finish it. If you're interested in the future of this project, want to help, or have questions --join the gitter.im chat via the link above.

Compatability Update

If you are using this package currently, you'll want to pin the version you have in your project. Future versions will not work with the 0.4.x API (sorry). I'm also dropping support for python 2.6, or rather, I'm no longer testing for python versions prior to 2.7 (specifically 2.7.11).

Supported python versions: 2.7, 3.5, 3.6

Documentation

Please see http://weatheralerts.readthedocs.org for documentation

This project lives at github.com/zebpalmer/WeatherAlerts

License

MIT

Install

You can download and install/upgrade via PIP by runing: pip install -U weatheralerts

weatheralerts's Issues

SameCode.txt URL no longer found

The NOAA url used for the SameCode List does not seem to be active anymore. This is causing init with samecodes to fail.

WeatherAlerts/weatheralerts/geo.py

Line 116 in b995135

url = '''http://www.nws.noaa.gov/nwr/data/SameCode.txt'''

Automating

Awesome job on this project! Very new to Python is there a way to run the script then have it sleep for say 2 minutes then automatically run again and check for any new alerts? Look forward to your response.

Ensure locations requested is valid.

need to parse any location given and verify it's valid, wouldn't want a typo preventing someone from getting an alert....

After moving to packaged module, command line interface doesn't work

old interface was using the nws.py file now in the module, need to create new script to handle the command line interaction

list index out of range error.

Looks like there may be an error in the library. The following oss project uses this library and it's been causing some issues: Please see this: custom-components/weatheralerts#17 and custom-components/weatheralerts#16

Do you know if there are any issues with pulling some ids like 055009?

Support Zone/County only feeds

Currently, WeatherAlerts only supports National and State level feeds. The NWS does offer Zone and County feeds (but not samecode based feed) For basic use, pulling the zone/county needed for a samecode would save a lot of processing and bandwidth.

Expire cache/Reload without creating new alerts object

if a program using the alerts object is long running and then the cache time logic won't be hit and thus never reloaded. need to provide method to check the age of the alerts object and reload new data after the cache maxage is reached

Error running the sample from the documents

from weatheralerts import WeatherAlerts

# Alerts by a Samecode
nws = WeatherAlerts(samecodes='005029')
for alert in nws.alerts:
    print (alert.title)

(base) william@william:~/CODE/Weather-NOAA-Alert-Example$ python3.6 w.py

Traceback (most recent call last):
  File "w.py", line 7, in <module>
    nws = WeatherAlerts(samecodes='005029')
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/weather_alerts.py", line 27, in __init__
    self.geo = GeoDB()
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 17, in __init__
    self.__same = SameCodes()
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 95, in __init__
    self._load_same_codes()
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 111, in _load_same_codes
    self._cached_same_codes()
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 148, in _cached_same_codes
    self.reload()
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 104, in reload
    self._load_same_codes(refresh=True)
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 109, in _load_same_codes
    self._get_same_codes()
  File "/home/william/.local/lib/python3.6/site-packages/weatheralerts/geo.py", line 121, in _get_same_codes
    code, local, state = str(row).strip().split(',')
ValueError: not enough values to unpack (expected 3, got 1)

SameCodes assumes the cache is always correct

In geo.py, SameCodes._cached_same_codes() returns True regardless of the contents of the cache file. After a failed run, the cache file existed on my file system but was empty. Subsequent attempts all failed because no SAME codes were available.

In addition to checking if the file exists, please ensure that the cache also has useful information and if not, reload().

Thanks!

ValueError: not enough values to unpack (expected 3, got 1)

Relatively dumb when it comes to coding. Tried specifying one SAMECODE, got that. Specified 2, got the same results. Same happened when I tried to use a state. Omitting most of the unnecessary code to save 180 or so lines.

import weatheralerts
from weatheralerts import WeatherAlerts

nws = WeatherAlerts(samecodes='022055') #not my SAMECODE, random one I planned on using to test as it had a flash flood warning in effect
for alert in nws.alerts:
     print(f"{alert.areadesc}: {alert.title}")

Originally was writing to a file as well, but shouldn't make a difference here whether or not I change it to a print string.