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satnogs-network/network/base/templatetags/tags.py

60 lines
1.5 KiB
Python

"""Django template tags for SatNOGS Network"""
from __future__ import absolute_import
from django import template
from django.core.urlresolvers import reverse
register = template.Library()
@register.simple_tag
def active(request, urls):
"""Returns if this is an active URL"""
if request.path in (reverse(url) for url in urls.split()):
return 'active'
return None
@register.simple_tag
def drifted_frq(value, drift):
"""Returns drifred frequency"""
return int(round(value + ((value * drift) / float(pow(10, 9)))))
@register.filter
def frq(value):
"""Returns Hz formatted frequency html string"""
try:
to_format = float(value)
except (TypeError, ValueError):
return '-'
formatted = format(float(to_format) / 1000000, '.3f')
formatted = formatted + ' MHz'
return formatted
@register.filter
def percentagerest(value):
"""Returns the rest of percentage from a given (percentage) value"""
try:
return 100 - value
except (TypeError, ValueError):
return 0
@register.filter
def get_count_from_id(dictionary, key):
"""Returns observations count from dictionary"""
if key in dictionary.keys():
return dictionary[key]
return 0
@register.filter
def sortdemoddata(demoddata):
"""Returns a date sorted list of DemodData"""
try:
return sorted(list(demoddata), key=lambda x: str(x.payload_demod).split('/', 2)[2:])
except (TypeError, ValueError):
return demoddata