pickledb | open source key-value store using Python | JSON Processing library
kandi X-RAY | pickledb Summary
kandi X-RAY | pickledb Summary
pickleDB is lightweight, fast, and simple database based on the json module. And it's BSD licensed!.
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Top functions reviewed by kandi - BETA
- Loads the database
- Load database
- Merge two keys together
- Dump the database
- Dump database
- Remove an item from the list
- Remove a value from the cache
- Append an item to the list
- Remove a value in the list
- Add sequences to the end of the sequence
pickledb Key Features
pickledb Examples and Code Snippets
import pickledb
db = pickledb.load('discord.db', true)
db.set("message_1", "hi there") # If you where to run this program once, then remove this line, the line below would still print "hi there" since the data is persistent
print(db.ge
class Message:
def __init__(self, id, content):
self.id = id
self.content = content
def __eq__(self, other):
if isinstance(other, Message):
return self.id == other.id and self.content == other.
Community Discussions
Trending Discussions on pickledb
QUESTION
I have a Message
class:
ANSWER
Answered 2021-Jan-17 at 10:27That's because the objects that are read from the pickle dump are not the same as those in your program (pickle.load()
creates new objects).
Hence, when list.remove()
looks for the object in the list, it won't find it and instead raises an exception.
See also, this post which discusses how equality is defined on objects in Python by default.
You need to override the way equality is checked, by implementing a custom __eq__
method in your Message
class:
QUESTION
It's my first python project after 10 years and my first experience with python multiprocessing, so there may just be some very basic mistakes I haven't seen.
I'm stuck with python and a multiprocessing web crawler. My crawler checks a main page for changes and then iterates through subcategories in parallel, adding items to a list. These items are then checked in parallel and extracted via selenium (as I couldn't figure out how to do it otherwise, because content is dynamically loaded into the page when clicking the items).
Main loop:
...ANSWER
Answered 2020-Jan-15 at 13:04I fixed the loop issue with either switching from Win7 to Win10 or switching from starmap to starmap_async and calling get() on the result afterwards.
The freeze was most probably caused by calling requests.get() without passing a value for timeout.
Community Discussions, Code Snippets contain sources that include Stack Exchange Network
Vulnerabilities
No vulnerabilities reported
Install pickledb
You can use pickledb 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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