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https://github.com/chubin/wttr.in
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big part of wttr()
This commit is contained in:
Igor Chubin
parent
df5b33c662
commit
ceae32a7da
1 changed files with 157 additions and 11 deletions
168
bin/srv.py
168
bin/srv.py
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@ -321,6 +321,54 @@ def send_malformed():
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@app.route("/")
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@app.route("/<string:location>")
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def wttr(location = None):
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"""
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Main rendering function, it processes incoming weather queries.
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Depending on user agent it returns output in HTML or ANSI format.
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Incoming data:
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request.args
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request.headers
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request.remote_addr
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request.referrer
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request.query_string
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"""
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if request.referrer:
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print request.referrer
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hostname = request.headers['Host']
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lang = None
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if hostname != 'wttr.in' and hostname.endswith('.wttr.in'):
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lang = hostname[:-8]
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if request.headers.getlist("X-Forwarded-For"):
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ip = request.headers.getlist("X-Forwarded-For")[0]
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if ip.startswith('::ffff:'):
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ip = ip[7:]
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else:
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ip = request.remote_addr
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try:
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limits.check_ip(ip)
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except RuntimeError, e:
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return str(e)
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except Exception, e:
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logging.error("Exception has occured", exc_info=1)
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return "ERROR"
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if location is not None and location.lower() in location_black_list:
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return ""
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png_filename = None
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if location is not None and location.lower().endswith(".png"):
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png_filename = location
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location = location[:-4]
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query = parse_query.parse_query(request.args)
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if 'lang' in request.args:
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lang = request.args.get('lang')
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if lang is None and 'Accept-Language' in request.headers:
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lang = find_supported_language(parse_accept_language(request.headers.get('Accept-Language', '')))
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user_agent = request.headers.get('User-Agent', '').lower()
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@ -344,21 +392,119 @@ def wttr(location = None):
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ip = request.remote_addr
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try:
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if location is None:
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location = get_location( ip )
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# if location is starting with ~
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# or has non ascii symbols
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# it should be handled like a search term (for geolocator)
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override_location_name = None
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full_address = None
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if is_ip( location ):
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location = get_location( location )
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if location is not None and not ascii_only(location):
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location = "~" + location
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if location is not None and location.upper() in iata_codes:
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location = '~%s' % location
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if location is not None and location.startswith('~'):
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geolocation = geolocator(location_canonical_name(location[1:]))
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if geolocation is not None:
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override_location_name = location[1:].replace('+', ' ')
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location = "%s,%s" % (geolocation['latitude'], geolocation['longitude'])
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full_address = geolocation['address']
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print full_address
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else:
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location = NOT_FOUND_LOCATION #location[1:]
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try:
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query_source_location = get_location(ip)
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except:
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query_source_location = NOT_FOUND_LOCATION, None
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# what units should be used
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# metric or imperial
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# based on query and location source (imperial for US by default)
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print "lang = %s" % lang
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if query.get('use_metric', False) and not query.get('use_imperial', False):
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query['use_imperial'] = False
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query['use_metric'] = True
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elif query.get('use_imperial', False) and not query.get('use_metric', False):
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query['use_imperial'] = True
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query['use_metric'] = False
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elif lang == 'us':
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# slack uses m by default, to override it speciy us.wttr.in
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query['use_imperial'] = True
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query['use_metric'] = False
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else:
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if query_source_location[1] in ['US'] and 'slack' not in user_agent:
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query['use_imperial'] = True
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query['use_metric'] = False
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else:
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query['use_imperial'] = False
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query['use_metric'] = True
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country = None
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if location is None or location == 'MyLocation':
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location, country = query_source_location
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if is_ip(location):
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location, country = get_location(location)
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if location.startswith('@'):
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try:
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loc = dns.resolver.query( location[1:], 'LOC' )
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location = str("%.7f,%.7f" % (loc[0].float_latitude, loc[0].float_longitude))
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except DNSException, e:
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location = get_location( socket.gethostbyname( location[1:] ) )
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location, country = get_location(socket.gethostbyname(location[1:]))
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except:
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query_source_location = NOT_FOUND_LOCATION, None
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location = location_canonical_name( location )
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log("%s %s %s %s" % (ip, user_agent, orig_location, location))
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return get_wetter( location, ip, html=html_output )
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location = location_canonical_name(location)
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log("%s %s %s %s %s %s" % (ip, user_agent, orig_location, location, query.get('use_imperial', False), lang))
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# We are ready to return the answer
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if png_filename:
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options={}
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if lang is not None:
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options['lang'] = lang
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options['location'] = "%s,%s" % (location, country)
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options.update(query)
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cached_png_file = wttrin_png.make_wttr_in_png(png_filename, options=options)
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response = make_response(send_file(cached_png_file,
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attachment_filename=png_filename,
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mimetype='image/png'))
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# Trying to disable github caching
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response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate'
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response.headers['Pragma'] = 'no-cache'
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response.headers['Expires'] = '0'
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return response
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if location == 'moon' or location.startswith('moon@'):
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output = get_moon(location, html=html_output, lang=lang)
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else:
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if country and location != NOT_FOUND_LOCATION:
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location = "%s, %s" % (location, country)
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output = get_wetter(location, ip,
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html=html_output,
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lang=lang,
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query=query,
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location_name=override_location_name,
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full_address=full_address,
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url=request.url,
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)
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if 'Malformed response' in str(output) or 'API key has reached calls per day allowed limit' in str(output):
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if html_output:
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return MALFORMED_RESPONSE_HTML_PAGE
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else:
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return get_message('CAPACITY_LIMIT_REACHED', lang).encode('utf-8')
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if html_output:
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output = output.replace('</body>', TWITTER_BUTTON + GITHUB_BUTTON + GITHUB_BUTTON_3 + GITHUB_BUTTON_2 + GITHUB_BUTTON_FOOTER + '</body>')
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else:
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if query.get('days', '3') != '0':
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#output += '\n' + get_message('NEW_FEATURE', lang).encode('utf-8')
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output += '\n' + get_message('FOLLOW_ME', lang).encode('utf-8') + '\n'
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return output
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#except RuntimeError, e:
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# return str(e)
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except Exception, e:
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if 'Malformed response' in str(e) or 'API key has reached calls per day allowed limit' in str(e):
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if html_output:
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