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better handling of common errors

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This commit is contained in:
milaq 2018-07-23 18:36:47 +02:00
parent 4432f1ef96
commit 61d584c8be
1 changed files with 9 additions and 4 deletions
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13
ycast.py
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@ -1,6 +1,7 @@
#!/usr/bin/env python3 #!/usr/bin/env python3
import os import os
import sys
import argparse import argparse
from http.server import BaseHTTPRequestHandler, HTTPServer from http.server import BaseHTTPRequestHandler, HTTPServer
import xml.etree.cElementTree as etree import xml.etree.cElementTree as etree
@ -18,8 +19,12 @@ stations = {}
def get_stations(): def get_stations():
global stations global stations
ycast_dir = os.path.dirname(os.path.realpath(__file__)) ycast_dir = os.path.dirname(os.path.realpath(__file__))
with open(ycast_dir + '/stations.yml', 'r') as f: try:
stations = yaml.load(f) with open(ycast_dir + '/stations.yml', 'r') as f:
stations = yaml.load(f)
except FileNotFoundError:
print("ERROR: Station configuration not found. Please supply a proper stations.yml.")
sys.exit(1)
def text_to_url(text): def text_to_url(text):
@ -88,8 +93,8 @@ arguments = parser.parse_args()
try: try:
server = HTTPServer((arguments.address, arguments.port), YCastServer) server = HTTPServer((arguments.address, arguments.port), YCastServer)
except PermissionError: except PermissionError:
print("Error: No permission to create socket. Are you trying to use ports below 1024 without elevated rights?") print("ERROR: No permission to create socket. Are you trying to use ports below 1024 without elevated rights?")
raise sys.exit(1)
print('YCast server listening on %s:%s' % (arguments.address, arguments.port)) print('YCast server listening on %s:%s' % (arguments.address, arguments.port))
try: try:
server.serve_forever() server.serve_forever()