Use of 'zipimport' module makes it possible to import Python modules and packages from ZIP-format archives. This module also allows an item of sys.path to be a string naming a ZIP file archive. Any files may be present in the ZIP archive, but only files .py and .pyc are available for import. ZIP import of dynamic modules is disallowed.
Functionality of this module is explained by first building a zip archive of files in 'newdir' directory. Following files are assumed to be present in newdir directory
['guess.py', 'hello.py', 'impzip.py', 'mytest.py', 'prime.py', 'prog.py', 'tmp.py']
import sys, globimport zipfilefiles = glob.glob("*.py")print (files)zf = zipfile.PyZipFile('zipimp.zip', mode='w')for file in files: zf.write(file)zf.close()We now use 'zipimp.zip' in rest of the article.
The 'zipimport' module defines zipimporter class in which following methods are defined
zipimporter()
This method is the constructor which creates a new zipimporter instance. It requires path to a ZIP filea s argument. ZipImportError is raised if it is not a valid ZIP archive.
>>> import zipimport>>> importer = zipimport.zipimporter('zipimp.zip')find_module()
This method earchs for a module specified. It returns the zipimporter instance if the module was found, or None if it wasn’t.
>>> ret=importer.find_module('prime')>>> ret<zipimporter object "zipimp.zip">>>> ret=importer.find_module('sample')>>> ret>>> print (ret)Noneget_code()
This method returns the code object for the specified module, raises ZipImportError if the module couldn’t be found.
>>> prog=importer.get_code('prime')>>> print (prog)<code object <module> at 0x022A4650, file "zipimp.zip\prime.py", line 1>load_module()
This method loads the module specified. It returns the imported module, or raises ZipImportError if it wasn’t found.
>>> importer = zipimport.zipimporter('zipimp.zip')>>> mod=importer.load_module('prog')30>>> mod.__name__'prog'>>> mod.__file__'zipimp.zip\prog.py'>>> mod.__loader__<zipimporter object "zipimp.zip">get_source()
This method returns the source code for the specified module.
>>> prog=importer.get_source('prime')>>> print (prog)def isprime(x): for i in range(2,x-1): if x%i==0: return False else:return Truef = int(input())l = int(input())primelist = list(filter(isprime, range(f,l)))print ("prime1", "prime2", "composites")composites=[(primelist[i-1], primelist[i],(primelist[i]-1)-primelist[i-1]) for i in range(1,len(primelist))]print (composites) Kickstart Your Career
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FAQs
zipimporter is the class for importing ZIP files. Create a new zipimporter instance. archivepath must be a path to a ZIP file, or to a specific path within a ZIP file. For example, an archivepath of foo/bar.
Which statement successfully creates a ZIP file using the ZIP file module in Python? ›
In this method, ZipFile() creates a ZIP file in which the files which are to be compressed are added. This is achieved by creating object of ZipFile using 'with' keyword and then writing the files using . write() method.
Which module can help extract all of the files from a ZIP file? ›
Extracting from ZIP Files
The extractall() method for ZipFile objects extracts all the files and folders from a ZIP file into the current working directory.
How does Python know where to look for packages and modules when they are imported in a Python script? ›
One of the ways that Python uses for importing files is by setting up the system PATH. The system PATH includes directories that tells Python where to look when importing modules. It scans them from left-to-right. You can modify your system PATHs at anytime.
How to import modules in Python? ›
You need to use the import keyword along with the desired module name. When the interpreter comes across an import statement, it imports the module to your current program. You can use the functions inside a module by using a dot ( . ) operator along with the module name.
How do you check if a zip file is valid in Python? ›
is_zipfile(filename) method of zipfile module returns True if the file is a valid Zip otherwise it returns False.
Is zip lazy in Python? ›
This is because the zip object is what we call a lazy iterator. Lazy iterators are lazy because they do not do much on their own. Despite this, they can be quite powerful when combined with for-loop syntax.
How to extract data from a zip file in Python? ›
To unzip files in Python, you can use the built-in zipfile module's extractall() function. This module provides a simple and efficient way to handle zip files in Python. In this example, we import the zipfile module and use the ZipFile class to open the zip file in read mode ('r').
How do I unzip multiple ZIP files in Python? ›
Tutorial: Extracting Zip Files
- Import the necessary modules: zipfile for working with Zip files and pathlib for working with file paths.
- Create a Path object to represent the current directory. ...
- Use the glob method of the Path object to iterate over all the Zip files ( *. ...
- For each Zip file, open it using zipfile.
When you extract files from a zipped folder, a new folder with the same name is created which contains the files. The compressed (zipped) version also remains. Right-click the zipped folder saved to your computer. Choose "Extract All..." (an extraction wizard will begin).
Do one of the following:
- To unzip a single file or folder, open the zipped folder, then drag the file or folder from the zipped folder to a new location.
- To unzip all the contents of the zipped folder, press and hold (or right-click) the folder, select Extract All..., and then follow the instructions.
Python's zipfile is a standard library module intended to manipulate ZIP files. This file format is a widely adopted industry standard when it comes to archiving and compressing digital data. You can use it to package together several related files.
What happens when you import a module in Python? ›
When a module is first imported, Python searches for the module and if found, it creates a module object [1], initializing it. If the named module cannot be found, a ModuleNotFoundError is raised. Python implements various strategies to search for the named module when the import machinery is invoked.
What is the difference between import and from import in Python? ›
The difference is that "from <module/file> import <class/module>" is used for importing some specific thing from that file/module. In the other hand "Import<module> is used for importing the whole module/file.
Where is the location of imported modules in Python? ›
When importing the package, Python searches through the directories on sys.path looking for the package subdirectory. The __init__.py files are required to make Python treat directories containing the file as packages (unless using a namespace package, a relatively advanced feature).
How do I import a zip file into Jupyter? ›
You can download it from your browser at this link.
- Log in to your JupyterHub and open a terminal window.
- This is a zip file, so we'll need to download a unix tool called “unzip” in order to unzip it. sudo apt install unzip.
- Finally, unzip the file: ...
- Confirm that your data was unzipped.
Python zip() Function
The zip() function returns a zip object, which is an iterator of tuples where the first item in each passed iterator is paired together, and then the second item in each passed iterator are paired together etc.
How do I import a module folder in Python? ›
We can use sys.path to add the path of the new different folder (the folder from where we want to import the modules) to the system path so that Python can also look for the module in that directory if it doesn't find the module in its current directory.
How do I import a custom module file into Python? ›
To import a custom module, you can use the import statement followed by your module name. This syntax is similar to importing default or installed Python modules. The script below imports the newmodule module which is created by the newmodule.py file stored in the same directory as the mainfile.py file.
