我有几个 python 错误，我不明白如何修复它们。
谢谢。
所有错误列表：
Traceback (most recent call last):
File "C:\Users\----\Desktop\wm3con-master\wm3con-master\wm3con.py", line 277,
in <module>
sys.exit(main())
File "C:\Users\----\Desktop\wm3con-master\wm3con-master\wm3con.py", line 274,
in main
return curses.wrapper(app.run_curses_app)
File "C:\Python32\lib\curses\wrapper.py", line 43, in wrapper
return func(stdscr, *args, **kwds)
File "C:\Users\----\Desktop\wm3con-master\wm3con-master\wm3con.py", line 230,
in run_curses_app
m.set_data(self.data)
File "C:\Users\----\Desktop\wm3con-master\wm3con-master\wm3con.py", line 114,
in set_data
dets = data.get('detections', [])
AttributeError: 'NoneType' object has no attribute 'get'
编辑：下面的.py文件代码（从2转换为3）这是不起作用的东西，我不知道你们对数据的意思是什么。
这是 f-secures 世界地图 ASCII 版。我将它从版本 2 转换为 3。
.py 文件的代码如下：
#!/usr/bin/env python
'''
F-Secure Virus World Map console edition
See README.md for more details
Copyright 2012-2013 Jyrki Muukkonen
Released under the MIT license.
See LICENSE.txt or http://www.opensource.org/licenses/mit-license.php
ASCII map in map-world-01.txt is copyright:
"Map 1998 Matthew Thomas. Freely usable as long as this line is included"
'''
import curses
import json
import locale
import os
import random
import sys
import time
import urllib.request, urllib.error, urllib.parse
STREAMS = {
'filetest': 'wm3stream.json',
'wm3': 'http://worldmap3.f-secure.com/api/stream/',
}
MAPS = {
'world': {
# offset (as (y, x) for curses...)
'corners': (1, 4, 23, 73),
# lat top, lon left, lat bottom, lon right
'coords': [90.0, -180.0, -90.0, 180.0],
'file': 'map-world-01.txt',
}
}
class AsciiMap(object):
"""
Helper class for handling map drawing and coordinate calculations
"""
def __init__(self, map_name='world', map_conf=None, window=None, encoding=None):
if map_conf is None:
map_conf = MAPS[map_name]
with open(map_conf['file'], 'rb') as mapf:
self.map = mapf.read()
self.coords = map_conf['coords']
self.corners = map_conf['corners']
if window is None:
window = curses.newwin(0, 0)
self.window = window
self.data = []
self.data_timestamp = None
# JSON contents _should_ be UTF8 (so, python internal unicode here...)
if encoding is None:
encoding = locale.getpreferredencoding()
self.encoding = encoding
# check if we can use transparent background or not
if curses.can_change_color():
curses.use_default_colors()
background = -1
else:
background = curses.COLOR_BLACK
tmp_colors = [
('red', curses.COLOR_RED, background),
('blue', curses.COLOR_BLUE, background),
('pink', curses.COLOR_MAGENTA, background)
]
self.colors = {}
if curses.has_colors():
for i, (name, fgcolor, bgcolor) in enumerate(tmp_colors, 1):
curses.init_pair(i, fgcolor, bgcolor)
self.colors[name] = i
def latlon_to_coords(self, lat, lon):
"""
Convert lat/lon coordinates to character positions.
Very naive version, assumes that we are drawing the whole world
TODO: filter out stuff that doesn't fit
TODO: make it possible to use "zoomed" maps
"""
width = (self.corners[3]-self.corners[1])
height = (self.corners[2]-self.corners[0])
# change to 0-180, 0-360
abs_lat = -lat+90
abs_lon = lon+180
x = (abs_lon/360.0)*width + self.corners[1]
y = (abs_lat/180.0)*height + self.corners[0]
return int(x), int(y)
def set_data(self, data):
"""
Set / convert internal data.
For now it just selects a random set to show (good enough for demo purposes)
TODO: could use deque to show all entries
"""
entries = []
formats = [
"{name} / {country} {city}",
"{name} / {country}",
"{name}",
"{type}",
]
dets = data.get('detections', [])
for det in random.sample(dets, min(len(dets), 5)):
#"city": "Montoire-sur-le-loir",
#"country": "FR",
#"lat": "47.7500",
#"long": "0.8667",
#"name": "Trojan.Generic.7555308",
#"type": "Trojan"
desc = "Detection"
# keeping it unicode here, encode() for curses later on
for fmt in formats:
try:
desc = fmt.format(**det)
break
except Exception:
pass
entry = (
float(det['lat']),
float(det['long']),
'*',
desc,
curses.A_BOLD,
'red',
)
entries.append(entry)
self.data = entries
# for debugging... maybe it could be shown again now that we have the live stream support
#self.data_timestamp = data.get('response_generated')
def draw(self, target):
""" Draw internal data to curses window """
self.window.clear()
self.window.addstr(0, 0, self.map)
debugdata = [
(60.16, 24.94, '*', self.data_timestamp, curses.A_BOLD, 'blue'), # Helsinki
#(90, -180, '1', 'top left', curses.A_BOLD, 'blue'),
#(-90, -180, '2', 'bottom left', curses.A_BOLD, 'blue'),
#(90, 180, '3', 'top right', curses.A_BOLD, 'blue'),
#(-90, 180, '4', 'bottom right', curses.A_BOLD, 'blue'),
]
# FIXME: position to be defined in map config?
row = self.corners[2]-6
items_to_show = 5
for lat, lon, char, desc, attrs, color in debugdata + self.data:
# to make this work almost everywhere. see http://docs.python.org/2/library/curses.html
if desc:
desc = desc.encode(self.encoding, 'ignore')
if items_to_show <= 0:
break
char_x, char_y = self.latlon_to_coords(lat, lon)
if self.colors and color:
attrs |= curses.color_pair(self.colors[color])
self.window.addstr(char_y, char_x, char, attrs)
if desc:
det_show = "%s %s" % (char, desc)
else:
det_show = None
if det_show is not None:
try:
self.window.addstr(row, 1, det_show, attrs)
row += 1
items_to_show -= 1
except Exception:
# FIXME: check window size before addstr()
break
self.window.overwrite(target)
self.window.leaveok(1)
class MapApp(object):
""" Virus World Map ncurses application """
def __init__(self, conf=None):
conf = dict(conf or [])
# stream url can be a known name, filename or url
stream_url = conf.get('stream_url', 'wm3')
stream_url = STREAMS.get(stream_url, stream_url)
if '://' not in stream_url and os.path.isfile(stream_url):
stream_url = 'file://' + os.path.abspath(stream_url)
self.stream_url = stream_url
#self.replay = True
self.data = None
self.last_fetch = 0
self.sleep = 10 # tenths of seconds, for curses.halfdelay()
def fetch_data(self, epoch_now, force_refresh=False):
""" (Re)fetch data from JSON stream """
refresh = False
if force_refresh or self.data is None:
refresh = True
else:
# json data usually has: "polling_interval": 120
try:
poll_interval = int(self.data['polling_interval'])
except (ValueError, KeyError):
poll_interval = 60
if self.last_fetch + poll_interval <= epoch_now:
refresh = True
if refresh:
try:
self.data = json.load(urllib.request.urlopen(self.stream_url))
self.last_fetch = epoch_now
except Exception:
pass
return refresh
def run_curses_app(self, scr):
""" Initialize and run the application """
m = AsciiMap()
curses.halfdelay(self.sleep)
while True:
now = int(time.time())
refresh = self.fetch_data(now)
m.set_data(self.data)
m.draw(scr)
scr.addstr(0, 1, "F-Secure Virus World Map '99", curses.A_BOLD)
scr.addstr(0, 40, time.strftime("%c UTC", time.gmtime(now)).rjust(37), curses.A_BOLD)
event = scr.getch()
if event == ord("q"):
break
# if in replay mode?
#elif event == ord('-'):
# self.sleep = min(self.sleep+10, 100)
# curses.halfdelay(self.sleep)
#elif event == ord('+'):
# self.sleep = max(self.sleep-10, 10)
# curses.halfdelay(self.sleep)
elif event == ord('r'):
# force refresh
refresh = True
elif event == ord('c'):
# enter config mode
pass
elif event == ord('h'):
# show help screen
pass
elif event == ord('m'):
# cycle maps
pass
# redraw window (to fix encoding/rendering bugs and to hide other messages to same tty)
# user pressed 'r' or new data was fetched
if refresh:
m.window.redrawwin()
def main(argv=None):
""" Main function / entry point """
if argv is None:
argv = sys.argv[1:]
conf = {}
if len(argv):
conf['stream_url'] = argv[0]
app = MapApp(conf)
return curses.wrapper(app.run_curses_app)
if __name__ == '__main__':
sys.exit(main())