I'm trying to read a string from stdin and have the user make a selection. After reading the input from stdin and prompting the user for a selection I receive the following error:
Traceback (most recent call last):
File "/media/Projects/MetaMusic/test.py", line 6, in <module>
b = input(a + ":")
EOFError: EOF when reading a line
Src:
import sys
for line in sys.stdin:
a = line
break
b = input(a + ":")
I've tried multiple different ways of getting the string but I receive the same error.
Related
I am writing a script to parse the logs. I need a regular expression to find the python exception in the log file, if any.
For example if below exception is in the log file, it should return below exception in string format.
Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1, in <module>
NameError: name 'klj' is not defined
I tried below code, it won't work:
import urllib.request
import re
txt = urllib.request.urlopen(log_url).read().decode('utf-8')
exceptions = re.findall("(\w+)Error:", txt)
Thanks in Advance
Your regex was only looking for exception names that ended in 'Error', but many end in 'Exception'. And you were capturing in capture group 1 only the characters that preceded 'Error', so you would not get the full name.
The following regex will look only for exception names at the start of a line and capture the full name:
import re
txt = """Traceback (most recent call last):
File "<stdin>", line 1, in <module>
File "<string>", line 1, in <module>
NameError: name 'klj' is not defined"""
exceptions = re.findall("""(?x) # Verbose mode
(?m) # Multiline mode (^ matches start of a line)
^ # Match start of a line
(?:\w+) # Match one or more word characters in a non-capturing group
(?:Error|Exception) # Match 'Error' or 'Exception':
(?=: ) # Lookahead assertion: next characters are ': '
""", txt)
print(exceptions)
Prints:
['NameError']
I am having some issues running my program. I have a "masterfile" that has a list of ips on a \n like so but I keep getting this error message:
68.x.0.56
68.x.0.53
I'm not sure what exactly the problem is, but I've been searching forums and other stackoverflow help, but can't seem to determine what the issue is.
def dns_resolver(subdomains):
print('\n\n########## Checking Subdomains for DNS Resolutions ##########\n')
queries = []
with open ('masterfile', 'r') as f:
domains = f.read().splitlines()
for i in domains:
try:
resp = socket.gethostbyname(i)
print(resp)
queries.append((i, resp))
except socket.error:
pass
return queries
Traceback (most recent call last):
File "/usr/lib/python3.6/encodings/idna.py", line 165, in encode
raise UnicodeError("label empty or too long")
UnicodeError: label empty or too long
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "subdomain-hunter.py", line 170, in <module>
main()
File "subdomain-hunter.py", line 59, in main
enumerate(DOMAIN)
File "subdomain-hunter.py", line 120, in enumerate
resolvediff = dns_resolver(diff)
File "subdomain-hunter.py", line 142, in dns_resolver
resp = socket.gethostbyname(i)
UnicodeError: encoding with 'idna' codec failed (UnicodeError: label empty or too long)
I have seen this error on the forum and read through the responses yet I still don't understand what it is or how to address it. I'm scraping data from the internet from 16k links, my script scrapes similar information from each link and writes it to a .csv some of the date gets written before this error.
Traceback (most recent call last):
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 541, in _get_chunk_left
chunk_left = self._read_next_chunk_size()
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 508, in _read_next_chunk_size
return int(line, 16)
ValueError: invalid literal for int() with base 16: b''
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 558, in _readall_chunked
chunk_left = self._get_chunk_left()
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 543, in _get_chunk_left
raise IncompleteRead(b'')
http.client.IncompleteRead: IncompleteRead(0 bytes read)
During handling of the above exception, another exception occurred:
Traceback (most recent call last):
File "MoviesToDb.py", line 91, in <module>
html = r.read()
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 455, in read
return self._readall_chunked()
File "/usr/local/Cellar/python3/3.5.2_3/Frameworks/Python.framework/Versions/3.5/lib/python3.5/http/client.py", line 565, in _readall_chunked
raise IncompleteRead(b''.join(value))
http.client.IncompleteRead: IncompleteRead(17891 bytes read)
I would like to know:1) What does this error mean? 2) How do I prevent it?
try to import :
from http.client import IncompleteRead
and add this in your script :
except IncompleteRead:
# Oh well, reconnect and keep trucking
continue
requests.exceptions.ChunkedEncodingError: (‘Connection broken: IncompleteRead(0 bytes read)’, IncompleteRead(0 bytes read)).
It is because the server of http protocal is 1.0 version，while python use 1.1 version. The solution is to assign the protocal version of client, like this
Python3 Version please add:
> import http.client
> http.client.HTTPConnection._http_vsn = 10
> http.client.HTTPConnection._http_vsn_str = 'HTTP/1.0'
Python2 Version please add:
> import http.client
> http.client.HTTPConnection._http_vsn = 10
> http.client.HTTPConnection._http_vsn_str = 'HTTP/1.0'
See the reference How to deal with "http.client.IncompleteRead: IncompleteRead(0 bytes read)" problem
So I'm trying to edit a csv file by writing to a temporary file and eventually replacing the original with the temp file. I'm going to have to edit the csv file multiple times so I need to be able to reference it. I've never used the NamedTemporaryFile command before and I'm running into a lot of difficulties. The most persistent problem I'm having is writing over the edited lines.
This part goes through and writes over rows unless specific values are in a specific column and then it just passes over.
I have this:
office = 3
temp = tempfile.NamedTemporaryFile(delete=False)
with open(inFile, "rb") as oi, temp:
r = csv.reader(oi)
w = csv.writer(temp)
for row in r:
if row[office] == "R00" or row[office] == "ALC" or row[office] == "RMS":
pass
else:
w.writerow(row)
and I get this error:
Traceback (most recent call last):
File "H:\jcatoe\Practice Python\pract.py", line 86, in <module>
cleanOfficeCol()
File "H:\jcatoe\Practice Python\pract.py", line 63, in cleanOfficeCol
for row in r:
_csv.Error: iterator should return strings, not bytes (did you open the file in text mode?)
So I searched for that error and the general consensus was that "rb" needs to be "rt" so I tried that and got this error:
Traceback (most recent call last):
File "H:\jcatoe\Practice Python\pract.py", line 86, in <module>
cleanOfficeCol()
File "H:\jcatoe\Practice Python\pract.py", line 67, in cleanOfficeCol
w.writerow(row)
File "C:\Users\jcatoe\AppData\Local\Programs\Python\Python35-32\lib\tempfile.py", line 483, in func_wrapper
return func(*args, **kwargs)
TypeError: a bytes-like object is required, not 'str'
I'm confused because the errors seem to be saying to do the opposite thing.
If you read the tempfile docs you'll see that by default it's opening the file in 'w+b' mode. If you take a closer look at your errors, you'll see that you're getting one on read, and one on write. What you need to be doing is making sure that you're opening your input and output file in the same mode.
You can do it like this:
import csv
import tempfile
office = 3
temp = tempfile.NamedTemporaryFile(delete=False)
with open(inFile, 'r') as oi, tempfile.NamedTemporaryFile(delete=False, mode='w') as temp:
reader = csv.reader(oi)
writer = csv.writer(temp)
for row in reader:
if row[office] == "R00" or row[office] == "ALC" or row[office] == "RMS":
pass
else:
writer.writerow(row)
I have a problem with the following code:
inputf = open('test.dat', 'r')
lines = inputf.readlines()
rico_clus_e = []
for line in lines:
line.split()
print line
if (line[0] != '#'):
rico_clus_e.append(float(line[4]))
inputf.close()
My test.dat file is:
# specn rico_all rico_all_e rico_clus rico_clus_e rico_farclust rico_far_e extin
a119 1.07038692 0.11109547 0.61473431 0.15063627 0.32590239 0.14777812 0.207
And this gives the following output in my terminal:
# specn rico_all rico_all_e rico_clus rico_clus_e rico_farclust rico_far_e extin
a119 1.07038692 0.11109547 0.61473431 0.15063627 0.32590239 0.14777812 0.207
Traceback (most recent call last):
File "test.py", line 8, in <module>
rico_clus_e.append(float(line[4]))
ValueError: could not convert string to float:
I'm quite confused by this. It had nothing to do with spaces, I checked them all. And if you change 4 by 1, 2 or 3 this works, so it must have something to do with the test.dat file, but I can't seem to figure out how. I'm using python 2.7.3.
line.split() on its own does nothing to line. You must store the result of the method call and use that instead.