extract

Extract files from zip without keeping the structure using python ZipFile?

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This opens file handles of members of the zip archive, extracts the filename and copies it to a target file (that’s how ZipFile.extract works, without taking care of subdirectories). import os import shutil import zipfile my_dir = r”D:\Download” my_zip = r”D:\Download\my_file.zip” with zipfile.ZipFile(my_zip) as zip_file: for member in zip_file.namelist(): filename = os.path.basename(member) # skip directories … Read more

python pandas extract year from datetime: df[‘year’] = df[‘date’].year is not working

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If you’re running a recent-ish version of pandas then you can use the datetime accessor dt to access the datetime components: In [6]: df[‘date’] = pd.to_datetime(df[‘date’]) df[‘year’], df[‘month’] = df[‘date’].dt.year, df[‘date’].dt.month df Out[6]: date Count year month 0 2010-06-30 525 2010 6 1 2010-07-30 136 2010 7 2 2010-08-31 125 2010 8 3 2010-09-30 84 … Read more

How to parse the Manifest.mbdb file in an iOS 4.0 iTunes Backup

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Thank you, user374559 and reneD — that code and description is very helpful. My stab at some Python to parse and print out the information in a Unix ls-l like format: #!/usr/bin/env python import sys def getint(data, offset, intsize): “””Retrieve an integer (big-endian) and new offset from the current offset””” value = 0 while intsize … Read more

Read Content from Files which are inside Zip file

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If you’re wondering how to get the file content from each ZipEntry it’s actually quite simple. Here’s a sample code: public static void main(String[] args) throws IOException { ZipFile zipFile = new ZipFile(“C:/test.zip”); Enumeration<? extends ZipEntry> entries = zipFile.entries(); while(entries.hasMoreElements()){ ZipEntry entry = entries.nextElement(); InputStream stream = zipFile.getInputStream(entry); } } Once you have the InputStream … Read more

Extract images from PDF without resampling, in python?

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You can use the module PyMuPDF. This outputs all images as .png files, but worked out of the box and is fast. import fitz doc = fitz.open(“file.pdf”) for i in range(len(doc)): for img in doc.getPageImageList(i): xref = img[0] pix = fitz.Pixmap(doc, xref) if pix.n < 5: # this is GRAY or RGB pix.writePNG(“p%s-%s.png” % (i, … Read more

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