pickle | NET implementation of Python 's pickle serialization protocol | Serialization library

 by   irmen C# Version: 1.5 License: MIT

kandi X-RAY | pickle Summary

kandi X-RAY | pickle Summary

pickle is a C# library typically used in Utilities, Serialization applications. pickle has no bugs, it has no vulnerabilities, it has a Permissive License and it has low support. You can download it from GitHub.

Pickle is written by Irmen de Jong (irmen@razorvine.net). This software is distributed under the terms written in the file LICENSE.
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              pickle has a low active ecosystem.
              It has 50 star(s) with 2 fork(s). There are 3 watchers for this library.
              There were 1 major release(s) in the last 6 months.
              There are 0 open issues and 10 have been closed. On average issues are closed in 44 days. There are no pull requests.
              It has a neutral sentiment in the developer community.
              The latest version of pickle is 1.5

            kandi-Quality Quality

              pickle has no bugs reported.

            kandi-Security Security

              pickle has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.

            kandi-License License

              pickle is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              pickle releases are not available. You will need to build from source code and install.

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            pickle Examples and Code Snippets

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            Community Discussions

            QUESTION

            pickle a list as UTF-8
            Asked 2021-Jun-15 at 15:37

            I want to import all files from one directory to my sql. But I have to make the same changes to each original .htb file first. The problem with the original file is that

            1. I don't want to import the column headers and the 2nd line because its blank

            2. I need to change \t\t\t\n to only \n so MySQL knows where fields and lines end

            3. I need to remove -----\n because it only has 1 column which doesn't match my tabe (4 columns) Here's how the original .htb file looks like:

              Beschreibung\t Kurzbeschreibung\t Einheit\t Wert\t\t\t\n

              \n

              Hub\t Hub\t mm\t 150.000000000000\t\t\t\n

              Bohrung\t Bohru\t mm\t 135.000000000000\t\t\t\n

              -----\n

            so far I have managed to create a list of all files. My next step would be to write that list to 1 single file which I can then edit. The problem I have is that I get a format issue when I save the list do a file. I want the final file to have utf8 format. this is what I want my file to look like:

            ...

            ANSWER

            Answered 2021-Apr-13 at 10:47

            pickle produces a binary format, which includes per field "header" bytes (describing type, length, and for some pickle protocols, framing data) that are going to look like garbage text if you view the output as text. You can't say "I want it to be pickle, but not have these bytes" because those bytes are part of the pickle serialization format. If you don't want those bytes, you need to choose a different serialization format (presumably using a custom serializer that matches this HTB format). This has nothing to do with UTF-8 encoding or lack thereof (your input is ASCII), the problem is that you are demanding a result that's literally impossible within the limits of your design.

            Source https://stackoverflow.com/questions/67072877

            QUESTION

            python - how to add a variable and a number (addition)
            Asked 2021-Jun-15 at 09:37

            how do i add N4ID which contains 1 to N3ID which also contains it

            my code

            ...

            ANSWER

            Answered 2021-Jun-15 at 09:37

            As the comments mention you should refer to type casting. In your example you try to add a string with an integer. This is not possible.

            You can directly do it by casting N3ID to int or you can add some type checks before you proceed with your addition.

            In the first case you can simply do int(N3ID) and then add your number.

            If you want to perform type check there are a couple of ways to do it.

            • You can check the type of your var with type(N3ID) or (isinstance(N3ID, int)) and then decide accordingly how to proceed.
            • You can check if your var can be cast in integer with isdigit() method.

            isinstance and type docs can be found here

            isdigit is a string method can be found here

            Source https://stackoverflow.com/questions/67983538

            QUESTION

            Is it possible to use an Abstract Base Class as a mixin?
            Asked 2021-Jun-15 at 03:43

            TL;DR: Interested in knowing if it's possible to use Abstract Base Classes as a mixin in the way I'd like to, or if my approach is fundamentally misguided.

            I have a Flask project I've been working on. As part of my project, I've implemented a "RememberingDict" class. It's a simple subclass of dict, with a handful of extra features tacked on: it remembers its creation time, it knows how to pickle/save itself to a disk, and it knows how to open/unpickle itself from a disk:

            ...

            ANSWER

            Answered 2021-Jun-15 at 03:43

            You can get around the problems of subclassing dict by subclassing collections.UserDict instead. As the docs say:

            Class that simulates a dictionary. The instance’s contents are kept in a regular dictionary, which is accessible via the data attribute of UserDict instances. If initialdata is provided, data is initialized with its contents; note that a reference to initialdata will not be kept, allowing it be used for other purposes.

            Essentially, it's a thin regular-class wrapper around a dict. You should be able to use it with multiple inheritance as an abstract base class, as you do with AbstractRememberingDict.

            Source https://stackoverflow.com/questions/67978006

            QUESTION

            How to use database models in Python Flask?
            Asked 2021-Jun-15 at 02:32

            I'm trying to learn Flask and use postgresql with it. I'm following this tutorial https://realpython.com/flask-by-example-part-2-postgres-sqlalchemy-and-alembic/, but I keep getting error.

            ...

            ANSWER

            Answered 2021-Jun-15 at 02:32

            I made a new file database.py and defined db there.

            database.py

            Source https://stackoverflow.com/questions/67976688

            QUESTION

            I'm getting module 'cv2.cv2' has no attribute 'legacy' ERROR. How can I fix it?
            Asked 2021-Jun-12 at 19:35

            This is my code: import numpy as np import cv2 import pickle

            ...

            ANSWER

            Answered 2021-Jun-12 at 19:32

            I remember getting this error a while back.

            In your CMD prompt run these three commands and then try to run your program again.

            pip3 install opencv-python==4.4.0.46
            pip3 install opencv-contrib-python==4.4.0.46
            pip3 install opencv-contrib-python-headless==4.4.0.46

            The version specifics may not be necessary but it's what worked last for me.

            Source https://stackoverflow.com/questions/67942853

            QUESTION

            Save/Export a custom tokenizer from google colab notebook
            Asked 2021-Jun-12 at 09:28

            I have a custom tokenizer and want to use it for prediction in Production API. How do I save/download the tokenizer?

            This is my code trying to save it:

            ...

            ANSWER

            Answered 2021-Jun-12 at 09:28

            Here is the situation, using a simple file to disentangle the issue from irrelevant specificities like pickle, Tensorflow, and tokenizers:

            Source https://stackoverflow.com/questions/67936111

            QUESTION

            Aligning text next to an image within a container
            Asked 2021-Jun-12 at 02:43

            What I'm trying to recreate

            New to CSS+HTML and trying to practice my 'skills' which I have developed so far.

            I've spent so many hours trying to get the text to align but it just will not.

            Here's what i've had achieved so far

            That in itself took ages just to figure out how to align the four cards like that. I still cannot figure out how to align this text though.

            Here is my HTML:

            ...

            ANSWER

            Answered 2021-Jun-12 at 01:56

            You need to wrap all your content except img in separate div and you need to add flex to your ".burger-item " , and you need to change some styles for your ".burgerimg "

            But i suggest you change something , and experiment on your own

            Working code :

            Source https://stackoverflow.com/questions/67944876

            QUESTION

            TypeError: a bytes-like object is required, not 'str' Using BytesIO
            Asked 2021-Jun-11 at 23:57

            I'm getting a "TypeError: a bytes-like object is required, not 'str'". I was using StringIO and I got an error "TypeError: initial_value must be str or None, not bytes" I'm using Python 3.7.

            ...

            ANSWER

            Answered 2021-Jun-11 at 22:18

            The error basically says your string is byte string. To solve this, I think you can try to use .decode('utf-8')

            Source https://stackoverflow.com/questions/67943933

            QUESTION

            2 issues: Python Pickle .dat append to list and tkinter checkbutton issue
            Asked 2021-Jun-11 at 04:24

            I've had a lot of issues with this application because I am simply not good enough yet, but I am almost done with it and just want to finish it so I can move on to some slightly lower level projects.

            It is a tkinter to-do application.

            You can add a Task to a listbox

            For every Task, there are some associated attributes, among others: ````self.value = vandself.connectivity = c. The hierarchy of the tasks displayed in the listbox is determined by the value of val_var``` (e.g. the higher the value the higher on the list it will be displayed).

            The Task and the associated attributes are determined by the user's input when one creates another task.

            The Task is appended to a list task_list and after the user has added more than 1 task to the list, the next time one adds a task one will have the option to check existing tasks that it is connected with somehow.

            The list is sorted so the task with the highest value (val_var) is displayed at the top of the Listbox and the task with the lowest value is displayed at the bottom of the Listbox. You can "Save tasks" and then launch the application at a later time where you can then "Load tasks".

            Issue 1:

            After loading tasks from a saved .dat file, it displays in the Listbox in the order it was saved in. However, if you now want to add another task at least two undesirable things happen:

            1. The tasks now loaded into the Listbox are now not displayed as checkbuttons upon adding a new task.
            2. When you add another task (again this is after loading the .dat file) the Listbox will delete what was just loaded and the Listbox will only display the newly added task.

            I am somehow interested in being able to load the Tasks instances from the .dat file and then append them to the task_list so they are a part of the current session/instance of the application, but I don't know how one might do that.

            Issue 2:

            On a given session where tasks have been added to the Listbox, they can be deleted from the listbox using the "Delete task" button. The selected task in the Listbox is deleted, but it is not the same task that is deleted from the task_list.

            To test what I mean by this one can add a couple of tasks to the Listbox and then delete one after doing so. Notice upon trying to create yet another new task that the one just deleted from the Listbox will still be shown as a checkbutton - however, another task that wasn't just deleted has now vanished as a checkbutton.

            Any help with these issues will be sincerely appreciated.

            Here's the code:

            ...

            ANSWER

            Answered 2021-Jun-11 at 04:24

            Your problem is fairly simple. You need to save the objects of the Task class instead of saving the strings present inside the Listbox.

            That said you should never give bare except clause like the one you did, always specify the exception you want to catch. You will find it hard to find the exact problem if you don't.

            For example In this block of your code:

            Source https://stackoverflow.com/questions/67922691

            QUESTION

            Using multiprocessing module with BaseHTTPRequestHandler
            Asked 2021-Jun-09 at 23:33

            I'm trying to use the python multiprocessing module to run a server in another Thread using the http.server.BaseHTTPRequestHandler module. I am stuck though and am running into a '_thread.lock' issue.

            I don't want to use the threading module because I'd rather use true multi-threading with the multi-processing module.

            If anyone knows what I am doing incorrectly or can point me to a good library to use that would be awesome.

            ...

            ANSWER

            Answered 2021-Jun-09 at 23:33

            Python uses pickle to pass objects to another process when using multiprocess module. In your case, the thread lock used in the httpserver is not pickleable. So it reports the error. What you can do is start the http server in another process completely like this:

            Source https://stackoverflow.com/questions/67912451

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            You can download it from GitHub.

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