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minor code cleanup

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This commit is contained in:
Igor Chubin 2018-10-03 22:59:11 +02:00
parent 910ea7fca0
commit f9e38c367d
1 changed files with 46 additions and 41 deletions
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87
bin/srv.py
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@ -23,7 +23,8 @@ import jinja2
from flask import Flask, request, render_template, send_from_directory, send_file, make_response from flask import Flask, request, render_template, send_from_directory, send_file, make_response
app = Flask(__name__) app = Flask(__name__)
MYDIR = os.path.abspath(os.path.dirname( os.path.dirname('__file__') )) MYDIR = os.path.abspath(
os.path.dirname(os.path.dirname('__file__')))
sys.path.append("%s/lib/" % MYDIR) sys.path.append("%s/lib/" % MYDIR)
import wttrin_png, parse_query import wttrin_png, parse_query
from translations import get_message, FULL_TRANSLATION, PARTIAL_TRANSLATION, SUPPORTED_LANGS from translations import get_message, FULL_TRANSLATION, PARTIAL_TRANSLATION, SUPPORTED_LANGS
@ -37,7 +38,7 @@ from globals import GEOLITE, \
MALFORMED_RESPONSE_HTML_PAGE, \ MALFORMED_RESPONSE_HTML_PAGE, \
IATA_CODES_FILE, \ IATA_CODES_FILE, \
log, error, \ log, error, \
LISTEN_PORT, LISTEN_HOST LISTEN_PORT, LISTEN_HOST, PLAIN_TEXT_AGENTS
from wttr import get_wetter, get_moon from wttr import get_wetter, get_moon
@ -52,7 +53,7 @@ my_loader = jinja2.ChoiceLoader([
app.jinja_loader = my_loader app.jinja_loader = my_loader
class Limits: class Limits:
def __init__( self ): def __init__(self):
self.intervals = ['min', 'hour', 'day'] self.intervals = ['min', 'hour', 'day']
self.divisor = { self.divisor = {
'min': 60, 'min': 60,
@ -62,7 +63,7 @@ class Limits:
self.counter = { self.counter = {
'min': {}, 'min': {},
'hour': {}, 'hour': {},
'day': {}, 'day': {},
} }
self.limit = { self.limit = {
'min': 30, 'min': 30,
@ -76,17 +77,24 @@ class Limits:
} }
self.clear_counters() self.clear_counters()
def check_ip(self, ip): def check_ip(self, ip_address):
if ip == '5.9.243.177': """
check if connections from `ip_address` are allowed
and raise a RuntimeError exception if they are not
"""
if ip_address == '5.9.243.177':
return return
self.clear_counters() self.clear_counters()
for interval in self.intervals: for interval in self.intervals:
if ip not in self.counter[interval]: if ip_address not in self.counter[interval]:
self.counter[interval][ip] = 0 self.counter[interval][ip_address] = 0
self.counter[interval][ip] += 1 self.counter[interval][ip_address] += 1
if self.limit[interval] <= self.counter[interval][ip]: if self.limit[interval] <= self.counter[interval][ip_address]:
log("Too many queries: %s in %s for %s" % (self.limit[interval], interval, ip) ) log("Too many queries: %s in %s for %s"
raise RuntimeError("Not so fast! Number of queries per %s is limited to %s" % (interval, self.limit[interval])) % (self.limit[interval], interval, ip_address))
raise RuntimeError(
"Not so fast! Number of queries per %s is limited to %s"
% (interval, self.limit[interval]))
def clear_counters( self ): def clear_counters( self ):
t = int( time.time() ) t = int( time.time() )
@ -97,14 +105,6 @@ class Limits:
limits = Limits() limits = Limits()
def error(text):
print text
raise RuntimeError(text)
def log(text):
print text.encode('utf-8')
logging.info( text.encode('utf-8') )
def is_ip(ip): def is_ip(ip):
if re.match('\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}', ip) is None: if re.match('\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}', ip) is None:
return False return False
@ -150,10 +150,10 @@ def location_canonical_name(location):
return location_alias[location.lower()] return location_alias[location.lower()]
return location return location
def ascii_only(s): def ascii_only(string):
try: try:
for i in range(5): for i in range(5):
s = s.encode('utf-8') string = string.encode('utf-8')
return True return True
except: except:
return False return False
@ -403,11 +403,12 @@ def wttr(location = None):
query_source_location = NOT_FOUND_LOCATION, None query_source_location = NOT_FOUND_LOCATION, None
location = location_canonical_name(location) location = location_canonical_name(location)
log("%s %s %s %s %s %s" % (ip, user_agent, orig_location, location, query.get('use_imperial', False), lang)) log("%s %s %s %s %s %s" \
% (ip, user_agent, orig_location, location, query.get('use_imperial', False), lang))
# We are ready to return the answer # We are ready to return the answer
if png_filename: if png_filename:
options={} options = {}
if lang is not None: if lang is not None:
options['lang'] = lang options['lang'] = lang
@ -416,8 +417,8 @@ def wttr(location = None):
cached_png_file = wttrin_png.make_wttr_in_png(png_filename, options=options) cached_png_file = wttrin_png.make_wttr_in_png(png_filename, options=options)
response = make_response(send_file(cached_png_file, response = make_response(send_file(cached_png_file,
attachment_filename=png_filename, attachment_filename=png_filename,
mimetype='image/png')) mimetype='image/png'))
# Trying to disable github caching # Trying to disable github caching
response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate' response.headers['Cache-Control'] = 'no-cache, no-store, must-revalidate'
@ -431,22 +432,27 @@ def wttr(location = None):
if country and location != NOT_FOUND_LOCATION: if country and location != NOT_FOUND_LOCATION:
location = "%s, %s" % (location, country) location = "%s, %s" % (location, country)
output = get_wetter(location, ip, output = get_wetter(location, ip,
html=html_output, html=html_output,
lang=lang, lang=lang,
query=query, query=query,
location_name=override_location_name, location_name=override_location_name,
full_address=full_address, full_address=full_address,
url=request.url, url=request.url,
) )
if 'Malformed response' in str(output) or 'API key has reached calls per day allowed limit' in str(output): if 'Malformed response' in str(output) \
or 'API key has reached calls per day allowed limit' in str(output):
if html_output: if html_output:
return MALFORMED_RESPONSE_HTML_PAGE return MALFORMED_RESPONSE_HTML_PAGE
else: return get_message('CAPACITY_LIMIT_REACHED', lang).encode('utf-8')
return get_message('CAPACITY_LIMIT_REACHED', lang).encode('utf-8')
if html_output: if html_output:
output = output.replace('</body>', TWITTER_BUTTON + GITHUB_BUTTON + GITHUB_BUTTON_3 + GITHUB_BUTTON_2 + GITHUB_BUTTON_FOOTER + '</body>') output = output.replace('</body>',
(TWITTER_BUTTON
+ GITHUB_BUTTON
+ GITHUB_BUTTON_3
+ GITHUB_BUTTON_2
+ GITHUB_BUTTON_FOOTER) + '</body>')
else: else:
if query.get('days', '3') != '0': if query.get('days', '3') != '0':
#output += '\n' + get_message('NEW_FEATURE', lang).encode('utf-8') #output += '\n' + get_message('NEW_FEATURE', lang).encode('utf-8')
@ -456,14 +462,13 @@ def wttr(location = None):
#except RuntimeError, e: #except RuntimeError, e:
# return str(e) # return str(e)
except Exception, e: except Exception, e:
if 'Malformed response' in str(e) or 'API key has reached calls per day allowed limit' in str(e): if 'Malformed response' in str(e) \
or 'API key has reached calls per day allowed limit' in str(e):
if html_output: if html_output:
return MALFORMED_RESPONSE_HTML_PAGE return MALFORMED_RESPONSE_HTML_PAGE
else: return get_message('CAPACITY_LIMIT_REACHED', lang).encode('utf-8')
return get_message('CAPACITY_LIMIT_REACHED', lang).encode('utf-8')
logging.error("Exception has occured", exc_info=1) logging.error("Exception has occured", exc_info=1)
return "ERROR" return "ERROR"
server = WSGIServer((LISTEN_HOST, LISTEN_PORT), app) server = WSGIServer((LISTEN_HOST, LISTEN_PORT), app)
server.serve_forever() server.serve_forever()