Crash scanning a Fritzbox with urllib.error.HTTPError: HTTP Error 404: Not Found

[hjgode]

Scanning my local network, the tool crashes by testing a Fritzbox 7590

`254 IPs scanned ... done
Exception in Tkinter callback
Traceback (most recent call last):
File "/home/hgode/git/espfinder-python/ef_net.py", line 190, in check80
content = urllib.request.urlopen("http://"+purl, None, 2)
File "/usr/lib/python3.9/urllib/request.py", line 214, in urlopen
return opener.open(url, data, timeout)
File "/usr/lib/python3.9/urllib/request.py", line 523, in open
response = meth(req, response)
File "/usr/lib/python3.9/urllib/request.py", line 632, in http_response
response = self.parent.error(
File "/usr/lib/python3.9/urllib/request.py", line 561, in error
return self._call_chain(*args)
File "/usr/lib/python3.9/urllib/request.py", line 494, in _call_chain
result = func(*args)
File "/usr/lib/python3.9/urllib/request.py", line 641, in http_error_default
raise HTTPError(req.full_url, code, msg, hdrs, fp)
urllib.error.HTTPError: HTTP Error 404: Not Found

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
File "/usr/lib/python3.9/tkinter/init.py", line 1892, in call
return self.func(*args)
File "/home/hgode/git/espfinder-python/espfinder.py", line 196, in searchdevices
pingscan()
File "/home/hgode/git/espfinder-python/espfinder.py", line 110, in pingscan
PING_SWEEP(cb_stationsearch,ownip)
File "/home/hgode/git/espfinder-python/espfinder.py", line 31, in init
self.ping_sweeper()
File "/home/hgode/git/espfinder-python/espfinder.py", line 92, in ping_sweeper
self.callback(1,255)
File "/home/hgode/git/espfinder-python/espfinder.py", line 106, in cb_stationsearch
analyzerange()
File "/home/hgode/git/espfinder-python/espfinder.py", line 131, in analyzerange
analyzeip(hostadr)
File "/home/hgode/git/espfinder-python/espfinder.py", line 162, in analyzeip
attribs[3] = check80(str(par1)+":"+str(tport))
File "/home/hgode/git/espfinder-python/ef_net.py", line 193, in check80
if check_espurna(purl):
File "/home/hgode/git/espfinder-python/ef_net.py", line 600, in check_espurna
if check_port(purl, 80):
File "/home/hgode/git/espfinder-python/ef_net.py", line 156, in check_port
if sock.connect_ex((host, port)) == 0:
socket.gaierror: [Errno -2] Name or service not known
...`

I changed ef_net.py:

def check80(purl): tipus = "Unknown" rescode = 0 try: content = urllib.request.urlopen("http://"+purl, None, 2) httpcode = content.getcode() except: tipus = "HTTP Err: urlopen" return tipus ...