socket.py | Python socket 编程实战 | Socket library
kandi X-RAY | socket.py Summary
kandi X-RAY | socket.py Summary
Python socket 编程实战
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Top functions reviewed by kandi - BETA
- Send a ping
- Perform a single ICMP packet
- Calculate the checksum of a given string
- Receive a ping from the socket
- Create an ICMP packet
- Performs a ping query
- Return the result
- Get the host
- Return whether the channel is readable
- True if the message is writable
- Handle a new client
- Read data from socket
- Recieve data from a socket
- Send data to socket
socket.py Key Features
socket.py Examples and Code Snippets
Community Discussions
Trending Discussions on socket.py
QUESTION
I am trying to get my robot to communicate with my PC via sockets by using local IP addresses on my own home network (not devices outside my network). The robot is acting as the server and my own PC is acting as the client/host. I don't really know what ports are open on my robot but I do definitely know that port 22 on the robot is open (which is the SSH port). The robot is a lego EV3 robot apart from it has had some ev3python software put onto it. When I run my program I am getting the following error on the server (my robot):
...ANSWER
Answered 2021-Jun-14 at 12:24hostIPAddress = "xx.xx.xx.xx" #the local IP address of my PC on my home network
backlog = 1
size = 1024
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
s.bind((hostIPAddress,22))#22 is the port number I am using. (THIS IS ALSO THE LINE WHERE THE ERROR IS COMING FROM)
s.listen(backlog)
QUESTION
I have error I want help for it please help me
...the error ;
ANSWER
Answered 2021-Jun-05 at 18:22I modified some things in the code but never got the saame error as you. This code works for me and even with the exact link of your video :
QUESTION
Here is my code:
...ANSWER
Answered 2021-Jun-06 at 17:29You need to specify the port. In this case, it's 587
for TSL
.
Somehow it works, but I don't have profound knowledge to explain why.
I had the same problem, so there is a solution:
QUESTION
I have a flask-restx
folder with the following structure
ANSWER
Answered 2021-Jun-04 at 11:49As I understand it, coverage is about reporting how much of your codebase is tested, not which tests to run. What you're doing is excluding things from a report, not stopping the data for the report being created.
What you should do is skip tests if you know they're going to fail (due to external configuration). Fortunately pytest provides for this with the skipif
decorator.
I would create a function in tests/conftest.py
which skips tests if the VPN is active. Something like:
QUESTION
I am on windows 10 and using python3.9.
I installed the pagkage >python3 -m pip install mysql-connector-python
Now I try to run a simple program
...ANSWER
Answered 2021-May-24 at 08:13try these:
AttributeError: module 'mysql' has no attribute 'connector'
Attribute error:module 'mysql' has no attribute 'connector'
basically change the import to
from mysql import connector
QUESTION
I am trying to convert speech to text using the following code in Python. I have installed the speech_recognition library and also pyaudio.
...ANSWER
Answered 2021-May-29 at 05:55Try this1
QUESTION
I am trying to access NOAA FTP server to download multiple datasets. There are 365 files per year for daily data, manual downloading is little cumbersome. I tried to use ftplib, but got:
gaierror: [Errno 11001] getaddrinfo failed
Below is my code snippet:
...ANSWER
Answered 2021-May-27 at 22:18The link you posted was a website link, not an FTP link.
However, this would work at the start of your script:
QUESTION
Recently my lambda code stopped working. I am no longer able to create connection to Snowflake with sqlalchemy. See error stack below.
...ANSWER
Answered 2021-Jan-13 at 19:26For completeness, moving the answer from @Clement in a comment to an answer:
This error can happen when loading the oscrypto (libcrypto) if the memory usage is too high. The OOM state cascades upward.
QUESTION
I'm currently turning my code into docker images to control the lights based on a sensor. I'm quite a novice at this. It runs locally but when I turn it into an image with this dockerfile using docker build .:
...ANSWER
Answered 2021-May-24 at 10:44@hardillb was right the error message had to do with an connection issue. The broker was never able to connect due to the fact that within docker it wasn't in the correct network within docker.
QUESTION
ElasticSearch 7.10.2
Python 3.8.5
elasticsearch-py 7.12.1
I'm trying to do a bulk insert of 100,000 records to ElasticSearch using elasticsearch-py bulk helper.
Here is the Python code:
...ANSWER
Answered 2021-May-18 at 13:29Reduce the chunk_size
from 10000 to the default of 500 and I'd expect it to work. You probably want to disable automatic retries if that can give you duplicates.
When creating your Elasticsearch
object, you specified chunk_size=10000
. This means that the streaming_bulk
call will try to insert chunks of 10000 elements. The connection to elasticsearch has a configurable timeout, which by default is 10 seconds. So, if your elasticsearch server takes more than 10 seconds to process the 10000 elements you want to insert, a timeout will happen and this will be handled as an error.
When creating your Elasticsearch
object, you also specified retry_on_timeout
as True and in the streaming_bulk_call
you set max_retries=max_insert_retries
, which is 3.
This means that when such a timeout happens, the library will try reconnecting 3 times, however, when the insert still has a timeout after that, it will give you the error you noticed. (Documentation)
Also, when the timeout happens, the library can not know whether the documents were inserted successfully, so it has to assume that they were not. Thus, it will try to insert the same documents again. I don't know how your input lines look like, but if they do not contain an _id
field, this would create duplicates in your index. You probably want to prevent this -- either by adding some kind of _id
, or by disabling the automatic retry and handling it manually.
There is two ways you can go about this:
- Increase the
timeout
- Reduce the
chunk_size
streaming_bulk
by default has chunk_size
set to 500. Your 10000 is much higher. I don't you can expect a high performance gain when increasing this over 500, so I'd advice you to just use the default of 500 here. If 500 still fails with a timeout, you may even want to reduce it further. This could happen if the documents you want to index are very complex.
You could also increase the timeout for the streaming_bulk
call, or, alternatively, for your es
object. To only change it for the streaming_bulk
call, you can provide the request_timeout
keyword argument:
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You can use socket.py like any standard Python library. You will need to make sure that you have a development environment consisting of a Python distribution including header files, a compiler, pip, and git installed. Make sure that your pip, setuptools, and wheel are up to date. When using pip it is generally recommended to install packages in a virtual environment to avoid changes to the system.
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