update-tablet.sh

#!/usr/bin/python3

import time
import traceback
import os
import shutil

mountPoint = "/run/media/bredol/DPT-S1"
bibPath = os.path.expanduser("~/Documents/bib")
notesPath = os.path.expanduser("~/Documents/notes")
ticketsPath = os.path.expanduser("~/Documents/tickets")
reportsPath = os.path.expanduser("~/Documents/reports/rolling")
#recentCount = 20

def moveFile(src, tar):
  os.makedirs(os.path.dirname(tar), exist_ok=True)
  os.rename(src, tar)

def copyIfNewer(src, tar):
  if not os.path.exists(tar) or os.stat(tar).st_mtime < os.stat(src).st_mtime:
    os.makedirs(os.path.dirname(tar), exist_ok=True)
    shutil.copy2(src, tar)

while True:
  try:
    if os.path.exists(mountPoint + "/note"):
    
      #================================================================================
      print("placing busy file...")
      open(mountPoint+"/busy", "w").close()
      
      #================================================================================
      print("save notes to harddrive...")
      os.chdir(mountPoint + "/note")
      for root, dirs, files in os.walk("."):
        for f in files:
          if f.endswith(".pdf"):
            copyIfNewer(root+"/"+f, notesPath+"/"+root+"/"+f)
      
      #================================================================================
      print("move notes not existing on the tablet to deleted folder...")
      os.chdir(notesPath)
      for root, dirs, files in os.walk("."):
        if root.startswith("./deleted"):
          continue
        
        if root.startswith("./bib"):
          srcFolder = root[5:]
        else:
          srcFolder = "note/"+root
        
        for f in files:
          if not os.path.exists(mountPoint+"/"+srcFolder+"/"+f):
            moveFile(root+"/"+f, "./deleted/"+root+"/"+f)
            
      #================================================================================
      print("copy bib to tablet...")
      os.chdir(bibPath)
      for root, dirs, files in os.walk("."):
        for f in files:
          if f.endswith(".pdf") and not os.path.exists(mountPoint+"/"+root+"/"+f):
            copyIfNewer(root+"/"+f, mountPoint+"/"+root+"/"+f)

      #================================================================================
      print("copy tickets to tablet...")
      os.chdir(ticketsPath)
      for root, dirs, files in os.walk("."):
        for f in files:
          if f.endswith(".pdf") and not os.path.exists(mountPoint+"/"+root+"/"+f):
            copyIfNewer(root+"/"+f, mountPoint+"/tickets/"+root+"/"+f)

      #================================================================================
      print("remove non existing tickets from tablet...")
      os.makedirs(mountPoint+"/tickets", exist_ok=True)
      os.chdir(mountPoint+"/tickets")
      for root, dirs, files in os.walk("."):
        for f in files:
          if not os.path.exists(ticketsPath+"/"+root+"/"+f):
            os.remove(root+"/"+f)

      #================================================================================
      print("copy reports to tablet...")
      os.chdir(reportsPath)
      for root, dirs, files in os.walk("."):
        for f in files:
          if f.endswith(".pdf") and not os.path.exists(mountPoint+"/"+root+"/"+f):
            copyIfNewer(root+"/"+f, mountPoint+"/reports/"+root+"/"+f)

      #================================================================================
      print("remove non existing reports from tablet...")
      os.makedirs(mountPoint+"/reports", exist_ok=True)
      os.chdir(mountPoint+"/reports")
      for root, dirs, files in os.walk("."):
        for f in files:
          if not os.path.exists(reportsPath+"/"+root+"/"+f):
            os.remove(root+"/"+f)

      #================================================================================
      print("copy papers with annotations to annotations folder...")
      os.chdir(mountPoint)
      for root, dirs, files in os.walk("."):
        if (root.startswith("./note") 
            or root.startswith("./old") 
            or root.startswith("./tickets") 
            or root.startswith("./reports")):
            #or root.startswith("./recent"):
          continue
        
        for f in files:
          if f.endswith(".pdf"):
            bibFile = bibPath+"/"+root+"/"+f
            if not os.path.exists(bibFile) or os.stat(bibFile).st_mtime < os.stat(root+"/"+f).st_mtime:
              copyIfNewer(root+"/"+f, notesPath+"/bib/"+root+"/"+f)
              
      #================================================================================
      #print("populate 'recent' directory...")
      #os.chdir(mountPoint)
      #filesList = []
      #for root, dirs, files in os.walk("."):
      #  for f in files:
      #    if f.endswith(".pdf"):
      #      try:
      #        recentness = time.mktime(time.strptime(f[:7], "%Y_%m"))
      #      except ValueError:
      #        recentness = 0
      #      
      #      recentness = max(recentness, os.stat(root+"/"+f).st_mtime)
      #      filesList.append((recentness, root+"/"+f))
      # 
      #if os.path.exists(".recent"):
      #  shutil.rmtree(".recent")
      #os.makedirs(".recent", exist_ok=True)
      # 
      #for i, (_, path) in enumerate(sorted(filesList)[-recentCount:]):
      #  copyIfNewer(path, ".recent/{:02}_{}".format(i, os.path.basename(path)))
      #    
      #if os.path.exists("recent"):
      #  shutil.rmtree("recent")
      #
      #os.rename(".recent", "recent")
      #
      #================================================================================
      print("remove empty directories in bib...")
      cleanComplete = False
      while not cleanComplete:
        cleanComplete = True
        for cleanDir in (mountPoint, bibPath, notesPath):
          os.chdir(cleanDir)
          for root, dirs, files in os.walk("."):
            if len(dirs) == 0 and len(files) == 0:
              os.rmdir(root)
              cleanComplete = False
              
      #================================================================================
      print("removing busy file...")
      os.remove(mountPoint+"/busy")

      #================================================================================
      print("go back to sleep...") 
  except:
    traceback.print_exc()

  time.sleep(300)