Add downloader script

Signed-off-by: Juraj Oravec <sgd.orava@gmail.com>

novelDownloader.py

@@ -0,0 +1,91 @@
+#!/usr/bin/python3
+"""
+Script to downloaded webpages, extract text and merge all of them
+together to create one ebook.
+"""
+
+import errno
+import os
+import shutil
+import subprocess
+
+
+# Book name
+name = "Name"
+# Base url, this is used as url = mainUrl + <number of chapter>
+mainUrl = "http://example.com/chapter-"
+# Number of all chapter
+chapters = 1
+# Start from 0 or 1 ?
+fromZero = False
+
+
+# numerical representation of start for script
+start = 0 if fromZero else 1
+
+
+def runInShell(command):
+  """Run giver string in shell"""
+  process = subprocess.Popen(command, shell=True, stdout=subprocess.PIPE)
+  process.wait()
+  process.communicate()
+
+
+def download(mainUrl, name, number):
+  """Download webpage, extract test, add some empty lines"""
+  fileName = os.path.join('chapters', '%s-%d.txt' % (name, number))
+
+  # download webpage
+  command = 'wget -q -O- "%s%d" | unfluff | jq -r ".title, .text" > "%s"' %\
+      (mainUrl, number, fileName)
+  runInShell(command)
+
+  # New line after title
+  command = "sed -i '1 a\\\\' '%s'" % (fileName)
+  runInShell(command)
+
+  # New line at the end of the file
+  command = "sed -i -e '$a\\' '%s'" % (fileName)
+  runInShell(command)
+
+  if number != start:
+    # New lne at beginning of the file
+    command = "sed -i '1i\\\\' '%s'" % (fileName)
+    runInShell(command)
+
+
+def main():
+  """Start main downloader and converter"""
+  try:
+    os.makedirs("chapters")
+  except OSError as e:
+    if e.errno != errno.EEXIST:
+      raise
+
+  # Download all chapters one by one
+  print("Downloading...")
+  for i in range(start, chapters + 1, 1):
+    print("Downloading: ", name, i)
+    download(mainUrl, name, i)
+
+  # merge all chapter to one file
+  print("Merging...")
+  command = 'cat "chapters/%s-"{%d..%d}.txt > "%s.txt"' % (name, start, chapters, name)
+  runInShell(command)
+
+  # convert to epub
+  print("Converting...")
+  command = 'ebook-convert "%s.txt" "%s.epub"' % (name, name)
+  runInShell(command)
+
+  # remove download directory
+  print("Removing temporary data...")
+  shutil.rmtree('chapters')
+  os.remove("%s.txt" % (name))
+
+  print("Done")
+
+
+# if yused standalone start the script
+if __name__ == '__main__':
+  main()