![]() AddError ( pymsg ) msgs = "GP ERRORS: \n " arcpy. format_tb ( tb ) pymsg = "PYTHON ERRORS: \n Traceback Info: \n " tbinfo " \n Error Info: \n " \ AddMessage ( "Zip file created successfully" ) except : # Return any Python specific errors as well as any errors from the geoprocessor # tb = sys. #PYTHON IZIP PYTHON 3 ZIP FILE#AddWarning ( " Unable to compress zip file contents." ) arcpy. ZIP_STORED ) zipws ( infolder, zip, True ) zip. close () except RuntimeError : # Delete zip file if it exists # if os. ZIP_DEFLATED ) zipws ( infolder, zip, True ) zip. When ZIP_STORED is # used, the zip file does not contain compressed data, resulting # in large zip files. In some rare # instances, the ZIP_DEFLATED constant may be unavailable and # the ZIP_STORED constant is used instead. GetParameterAsText ( 1 ) # Create the zip file for writing compressed data. GetParameterAsText ( 0 ) outfile = arcpy. AddWarning ( " Error adding %s : %s " % ( file, e )) return None if _name_ = '_main_' : try : # Get the tool parameter values # infolder = arcpy. join ( dirpath, file )) except Exception, e : arcpy. ![]() 2to3 supporting library lib2to3 is, however, a flexible and generic. The standard library contains a rich set of fixers that will handle almost all code. #PYTHON IZIP PYTHON 3 CODE#2to3 is a Python program that reads Python 2.x source code and applies a series of fixers to transform it into valid Python 3.x code. join ( path, dirpath, file )) try : if keep : zip. 2to3 - Automated Python 2 to 3 code translation. Here is a benchmark between zip in Python 2 and 3 and izip in Python 2: Python 2. The zip implementation is almost completely copy-pasted from the old izip, just with a few names changed and pickle support added. walk ( path ): # Iterate over every file name # for file in filenames : # Ignore. In Python 3 the built-in zip does the same job as itertools.izip in 2.X(returns an iterator instead of a list). # for ( dirpath, dirnames, filenames ) in os. normpath ( path ) # os.walk visits every subdirectory, returning a 3-tuple # of directory name, subdirectories in it, and file names # in it. # def zipws ( path, zip, keep ): path = os. If false, only # the contents of the input folder will be written to the zip file - # the input folder name will not appear in the zip file. If keep is true, the folder, along with # all its contents, will be written to the zip file. Python’s zip() function takes an iterable-such as a list, tuple, set, or dictionary-as an argument. This is an iterator of tuples where all the values you have passed as arguments are stored as pairs. The zip() function combines the contents of two or more iterables. ![]() Arrays are iterables because you can print out each item individually by using a for loop. ![]() We would say that our program is iterating through the list of names.Īn iterable, on the other hand, is an object that can return its member items individually. For example, say you have a for loop that prints out the name of every branch a company operates. In Python, we use the term i terate to describe when a program is running through a list. ![]() #PYTHON IZIP PYTHON 3 HOW TO#We’ll also discuss how to iterate over a zip and how to unzip a zipped object. In this tutorial, we are going to break down the basics of Python zip().
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