We can also provide only some part of the package name and all matched packages will be listed below. If the package is not installed there will be no output. In the following example, we will check for different packages.

We will provide the package name we want to check and list. Zipp 1.0.0 Check If Specified Python Package Is Installated with PipĪs the list parameter lists installed pip packages with their version information we can also check for the specific package by using an external command like grep. The following output will be provided with the package names and version information. pip is used for the Python2 and pip3 is used for the Python3. Also version information about the installed packages will be provided. The pip command provides the list parameter which will list installed packages.

List Installed Python Packages with Pipīefore updating any package the best practice is listing installed packages. In this tutorial, we will examine different cases for update and upgrade Python packages. One of the most popular use cases for pip command is updating existing and already installed Python packages. The pip is command is provided to search, install, update, and remove the modules provided by the Python Package Index. Python provides the Pip or Python Package Index which is used to add useful extra modules to the Python. append ( pip_list_split ) app_list = + ' ' for app in pip_list_all ] with open ( filePathOutResult, 'w' ) as f : f. readlines () for line in pip_list_lines : pip_list_split = line. dirname ( filePathIn ) filePathOut = 'pip_list_output.txt' filePathAddDatetime = add_datetime_to ( filePathOut ) filePathOutResult = pathPure + '/' + filePathAddDatetime pip_list_all = with open ( filePathIn, 'r' ) as f : pip_list_lines = f. filePathIn = input ( 'input the pip list: ' ) pathPure = os.

# ATTENTION: only support one dot in filepath. split ( '.' ) filePathAddDatetime = filePathSplit + '_' + datetime_fmt + '.' + filePathSplit return filePathAddDatetime # This program support absolute path, for example: # /home/abc/requirements_20230318.txt # if you use relative path, the output file will # be saved in `/`, root directory. strftime ( '%Y%m %d %H%M%S' ) filePathSplit = filePath. ''' import os.path import datetime def add_datetime_to ( filePath ): current_time = datetime.

Pip upgrade package