initial commit

Author: bpfrd

.gitignore

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+Untitled1.py.bak

README.md

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+#!/usr/bin/env python
+# coding: utf-8
+
+from selenium import webdriver
+from selenium.webdriver.common.keys import Keys
+from selenium.webdriver.common.by import By
+import pandas as pd
+import pdfkit
+
+browser = webdriver.Chrome('~/Downloads/chromedriver_linux64/chromedriver')
+
+start_url = f'https://docs.opencv.org/4.x/d6/d00/tutorial_py_root.html'
+browser.get(start_url)
+all_links = []
+
+def crawler():
+
+    _ = browser.find_elements(by=By.CSS_SELECTOR, value='body > div.contents > div > ul > li > p > a')
+    links = [ (i.get_property('text'), i.get_property('href')) for i in _]
+    for name, link in links:
+        print(name, ' ==> ', link)
+        all_links.append((name, link))
+        browser.get(link)
+        crawler()
+
+crawler()
+
+for i, (name, link) in enumerate(all_links):
+
+    fname = f'opencv/{i:04d}--{name.replace(" ", "-")}.pdf'
+    pdfkit.from_url(link, fname)
+

main.py

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+from PyPDF2 import PdfMerger
+import glob
+
+
+
+pdfs = sorted(glob.glob("opencv/*.pdf") )
+
+merger = PdfMerger()
+
+for pdf in pdfs:
+    merger.append(pdf)
+
+merger.write("opencv-book.pdf")
+merger.close()