Python Find Type Of File
What is Directory in Python?If there are a large number of in your Python program, you can arrange your code within different directories to make things more manageable.A directory or folder is a collection of files and sub directories. Python has the os, which provides us with many useful methods to work with directories (and files as well).Get Current DirectoryWe can get the present working directory using the getcwd method.This method returns the current working directory in the form of a string. We can also use the getcwdb method to get it as bytes object. import os os.getcwd'C:Program FilesPyScripter' os.getcwdbb'C:Program FilesPyScripter'The extra backslash implies escape sequence.
Python Find Type Of File Download
The print function will render this properly. print(os.getcwd)C:Program FilesPyScripterChanging DirectoryWe can change the current working directory using the chdir method.The new path that we want to change to must be supplied as a string to this method. We can use both forward slash (/) or the backward slash to separate path elements.It is safer to use escape sequence when using the backward slash.
os.chdir('C:Python33') print(os.getcwd)C:Python33List Directories and FilesAll files and sub directories inside a directory can be known using the listdir method. This method takes in a path and returns a list of sub directories and files in that path. If no path is specified, it returns from the current working directory.
print(os.getcwd)C:Python33 os.listdir'DLLs','Doc','include','Lib','libs','LICENSE.txt','NEWS.txt','python.exe','pythonw.exe','README.txt','Scripts','tcl','Tools' os.listdir('G:')'$RECYCLE.BIN','Movies','Music','Photos','Series','System Volume Information'Making a New DirectoryWe can make a new directory using the mkdir method.This method takes in the path of the new directory. If the full path is not specified, the new directory is created in the current working directory. os.mkdir('test') os.listdir'test'Renaming a Directory or a FileThe rename method can rename a directory or a file.The first argument is the old name and the new name must be supplies as the second argument. os.listdir'test' os.rename('test','newone') os.listdir'newone'Removing Directory or FileA file can be removed (deleted) using the remove method.Similarly, the rmdir method removes an empty directory. os.listdir'newone', 'old.txt' os.remove('old.txt') os.listdir'newone' os.rmdir('newone') os.listdirHowever, note that rmdir method can only remove empty directories.In order to remove a non-empty directory we can use the rmtree method inside the shutil module. os.listdir'test' os.rmdir('test')Traceback (most recent call last).OSError: WinError 145 The directory is not empty: 'test' import shutil shutil.rmtree('test') os.listdir.
— Determine the type of an imageSource code:The module determines the type of image contained in a file orbyte stream.The module defines the following function: imghdr. What ( filename , h )Tests the image data contained in the file named by filename, and returns astring describing the image type. If optional h is provided, the filenameis ignored and h is assumed to contain the byte stream to test.The following image types are recognized, as listed below with the return valuefrom:ValueImage format'rgb'SGI ImgLib Files'gif'GIF 87a and 89a Files'pbm'Portable Bitmap Files'pgm'Portable Graymap Files'ppm'Portable Pixmap Files'tiff'TIFF Files'rast'Sun Raster Files'xbm'X Bitmap Files'jpeg'JPEG data in JFIF or Exif formats'bmp'BMP files'png'Portable Network Graphics.