15.11.2020

Category: Pip install pickle

Pip install pickle

Released: Apr 13, Memoize functions to disk, load and save compressed Pickle files. View statistics for this project via Libraries. Tags pickle. NOTE: You should use pandas. Load a Pickle file, from a file name or a file-like object.

If the argument is a file name, it must end in ".

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In the second case the file will be compressed. Decorator to memoize the output of a function to filename with pickle.

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The function will be executed only if filename does not exist. Apr 13, May 28, Download the file for your platform. If you're not sure which to choose, learn more about installing packages. Warning Some features may not work without JavaScript. Please try enabling it if you encounter problems. Search PyPI Search. Latest version Released: Apr 13, Navigation Project description Release history Download files.

Project links Homepage Download. Maintainers agarriga. Use pandas. Project details Project links Homepage Download. Release history Release notifications This version. Download files Download the file for your platform. Files for pickle-utils, version 0. File type Wheel. Python version py3. Upload date Apr 13, Hashes View. File type Source. Python version None.In software, it's said that all abstractions are leakyand this is true for the Jupyter notebook as it is for any other software.

I most often see this manifest itself with the following issue:.

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This issue is a perrennial source of StackOverflow questions e. Fundamentally the problem is usually rooted in the fact that the Jupyter kernels are disconnected from Jupyter's shell ; in other words, the installer points to a different Python version than is being used in the notebook. In the simplest contexts this issue does not arise, but when it does, debugging the problem requires knowledge of the intricacies of the operating system, the intricacies of Python package installation, and the intricacies of Jupyter itself.

PIP INSTALL COMMAND IN PYTHON 3.6

In other words, the Jupyter notebook, like all abstractions, is leaky. In the wake of several discussions on this topic with colleagues, some online exhibit Aexhibit B and some off, I decided to treat this issue in depth here. This post will address a couple things:. SecondI'll dive into some of the background of exactly what the Jupyter notebook abstraction is doing, how it interacts with the complexities of the operating system, and how you can think about where the "leaks" are, and thus better understand what's happening when things stop working.

ThirdI'll talk about some ideas the community might consider to help smooth-over these issues, including some changes that the Jupyter, Pip, and Conda developers might consider to ease the cognitive load on users.

This post will focus on two approaches to installing Python packages: pip and conda. Other package managers exist including platform-specific tools like yumapthomebrewetc. If you're just looking for a quick answer to the question, how do I install packages so they work with the notebookthen look no further. First, a few words on pip vs. For many users, the choice between pip and conda can be a confusing one.

I wrote way more than you ever want to know about these in a post last year, but the essential difference between the two is this:. If you already have a Python installation that you're using, then the choice of which to use is easy:. If you installed Python using Anaconda or Miniconda, then use conda to install Python packages. If conda tells you the package you want doesn't exist, then use pip or try conda-forgewhich has more packages available than the default conda channel.

pip install pickle

If you installed Python any other way from source, using pyenv, virtualenv, etc.Pip is a popular command used to manage Python packages. Before updating or upgrading an installed Python package we will list already installed packages.

We will use the list command which will display the complete name and the version of the installed packages. In the previous example, we have just listed all installed packages and versions. We can also check if a specific python package is already installed. We will also use grep command by providing the name of the package we want to check. Pip command also provides --outdated options with the list command which will list outdated and already installed python packages.

We will use the install command with the --upgrade option and also provide the package name. We will also provide the --user option. Alternatively to the --upgrade we can use -U which is the short form. From the screenshot, we see that first the Django version 2. Django version 2. In the previous example, we have updated the Django python package to the latest version. We will not use the --upgrade option but specify the upgraded version. We can see that the currently installed version is Django 2.

Installing Python packages

We can also downgrade the installed package into a specific version. We will specify the Python package name with the version we want to downgrade by using equation signs like below. In this example, we will downgrade the Django package to version 2.Complete the steps described in the rest of this page to create a simple Python command-line application that makes requests to the Google Docs API.

See the library's installation page for the alternative installation options. Create a file named quickstart. Prints the title of a sample document.

The sample will attempt to open a new window or tab in your default browser. If this fails, copy the URL from the console and manually open it in your browser. If you are not already logged into your Google account, you will be prompted to log in. If you are logged into multiple Google accounts, you will be asked to select one account to use for the authorization. This section describes some common issues that you may encounter while attempting to run this quickstart and suggests possible solutions.

This error can occur in Mac OSX where the default installation of the six module a dependency of this library is loaded before the one that pip installed. This error is due to a bug in httplib2and upgrading to the latest version should resolve it:. When running the pip install command you may receive the following error:.

This can happen on Mac OSX when pip attempts to upgrade the six package that came pre-installed. To work around this issue you can add the flag --ignore-installed six to the pip install command listed in Step 2. The OAuth consent screen that is presented to the user may show the warning "This app isn't verified" if it is requesting scopes that provide access to sensitive user data. These applications must eventually go through the verification process to remove that warning and other limitations.

Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4. For details, see the Google Developers Site Policies. Home Guides Reference Samples Support. Introduction Concepts.

pip install pickle

How To Prerequisites To run this quickstart, you'll need: Python 2. Step 2: Install the Google Client Library Run the following command to install the library using pip: pip install --upgrade google-api-python-client google-auth-httplib2 google-auth-oauthlib See the library's installation page for the alternative installation options.

pickle5 0.0.9

Step 3: Set up the sample Create a file named quickstart. View on GitHub.The pickle module implements a fundamental, but powerful algorithm for serializing and de-serializing a Python object structure. This documentation describes both the pickle module and the cPickle module. The pickle module is not secure against erroneous or maliciously constructed data.

Installing Python Packages from a Jupyter Notebook

Never unpickle data received from an untrusted or unauthenticated source. The pickle module has an optimized cousin called the cPickle module. As its name implies, cPickle is written in C, so it can be up to times faster than pickle. However it does not support subclassing of the Pickler and Unpickler classes, because in cPickle these are functions, not classes.

Most applications have no need for this functionality, and can benefit from the improved performance of cPickle.

Other than that, the interfaces of the two modules are nearly identical; the common interface is described in this manual and differences are pointed out where necessary. Python has a more primitive serialization module called marshalbut in general pickle should always be the preferred way to serialize Python objects.

The pickle module differs from marshal in several significant ways:. This has implications both for recursive objects and object sharing. Recursive objects are objects that contain references to themselves. These are not handled by marshal, and in fact, attempting to marshal recursive objects will crash your Python interpreter.

Object sharing happens when there are multiple references to the same object in different places in the object hierarchy being serialized. Shared objects remain shared, which can be very important for mutable objects.

The marshal serialization format is not guaranteed to be portable across Python versions. Because its primary job in life is to support. The pickle serialization format is guaranteed to be backwards compatible across Python releases. Note that serialization is a more primitive notion than persistence; although pickle reads and writes file objects, it does not handle the issue of naming persistent objects, nor the even more complicated issue of concurrent access to persistent objects.

The pickle module can transform a complex object into a byte stream and it can transform the byte stream into an object with the same internal structure. Perhaps the most obvious thing to do with these byte streams is to write them onto a file, but it is also conceivable to send them across a network or store them in a database.

The module shelve provides a simple interface to pickle and unpickle objects on DBM-style database files. The data format used by pickle is Python-specific. This is slightly more voluminous than a binary representation. Protocol version 1 is the old binary format which is also compatible with earlier versions of Python.

pip install pickle

Protocol version 2 was introduced in Python 2. It provides much more efficient pickling of new-style class es. Refer to PEP for more information. If a protocol is not specified, protocol 0 is used. Changed in version 2. The pickle module provides the following constant:. For the old ASCII-based pickle protocol 0 you can use either text mode or binary mode as long as you stay consistent. The pickle module provides the following functions to make the pickling process more convenient:.If you are already familiar with the process of installing packages in Pythonyou may simply use the following template to install your desired Python package in Anaconda:.

But just in case you were wondering how the process works, here are the steps that you may follow to perform the installation from scratch. To install the Python package in Anaconda, simply follow the template that was introduced at the beginning of this guide:. Finally, check that the package got successfully uninstalled by looking at the status as follows:. Need to install a Python package in Anaconda?

If you are already familiar with the process of installing packages in Pythonyou may simply use the following template to install your desired Python package in Anaconda: pip install package name But just in case you were wondering how the process works, here are the steps that you may follow to perform the installation from scratch.

You can then apply the steps below in order to install that package in Anaconda. But what if you want to uninstall an existing package? Steps to uninstall a Python package in Anaconda At times, you may want to uninstall an existing package.By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

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pip install pickle

It only takes a minute to sign up. I tried sudo apt-get install cPickle and python3.

pickle-utils 0.1.1

A common pattern in Python 2. This places the burden of importing the accelerated version and falling back on the pure Python version on each user of these modules. In Python 3. Users should always import the standard version, which attempts to import the accelerated version and falls back to the pure Python version. Ubuntu Community Ask!

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Home Questions Tags Users Unanswered. How to install cPickle on Python 3. Ask Question. Asked 4 years, 1 month ago. Active 2 years, 10 months ago. Viewed k times. I would assume you install a python module with pip? AFAIK, in python 3, you use pickle only.

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Internally it will use cpickle if available.


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