73 lines
1.8 KiB
Python
73 lines
1.8 KiB
Python
#!/usr/bin/env python
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import sys
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import json
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import urllib2
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class I3statusHandler(object):
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modules = []
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def __init__(self):
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pass
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def register_module(self, module):
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""" Register a new module. """
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# check if module implemented the
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# correct functions
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if not hasattr(module, 'output'):
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raise Exception("Module %s does not implement \
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all the needed functions!".format(module))
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self.modules.append(module)
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def print_line(self, message):
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""" Non-buffered printing to stdout. """
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sys.stdout.write(message + '\n')
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sys.stdout.flush()
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def read_line(self):
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""" Interrupted respecting reader for stdin. """
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# try reading a line, removing any extra whitespace
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try:
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line = sys.stdin.readline().strip()
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# i3status sends EOF, or an empty line
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if not line:
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sys.exit(3)
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return line
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# exit on ctrl-c
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except KeyboardInterrupt:
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sys.exit()
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def run(self):
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self.print_line(self.read_line())
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self.print_line(self.read_line())
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while True:
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line, prefix = self.read_line(), ''
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# ignore comma at start of lines
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if line.startswith(','):
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line, prefix = line[1:], ','
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j = json.loads(line)
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for module in self.modules:
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output = module.output()
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if output:
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j.insert(0, module.output())
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# and echo back new encoded json
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self.print_line(prefix+json.dumps(j))
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def has_internet_connection():
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try:
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response=urllib2.urlopen('http://173.194.69.94',timeout=1)
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return True
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except urllib2.URLError as err: pass
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return False
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