import os, re

# zdrojovy adresar
dir_src = r"c:\in"

# cilovy adresar
dir_dst = r"c:\out"

# povolene pripony zpracovanych souboru
suffixes = ('.txt','.log')

# pole regularnich vyrazy
res = [
  ['pors\/[\d\-]+\s+-\s+80', 'pors - 80'],
  ['lab\/[\d\-]+\s+-\s+80', 'lab - 80' ]
]

# kompilace pole regularnich vyrazu
def compileRES(res):
  for r in res:
    r[0] = re.compile(r[0])
  return res

def modifFilename(fn_in, fn_out, res):
  print(fn_in, (60 - len(fn_in)) * '.', fn_out)
  # vytvor cilovy adresar
  os.makedirs(os.path.dirname(fn_out), exist_ok=True)
  # otevri soubor pro cteni a pro zapis
  with open(fn_in, "rt", encoding="utf-8") as fin:
    with open(fn_out, "wt", encoding="utf-8") as fout:
      # nacti radku
      for line in fin:
        # projed ji regularnimi vyrazy
        for r in res:
          line = r[0].sub(r[1], line)
        # zapis radku
        fout.write(line)


# ------------------------------------------------------------
if __name__ == "__main__":
  res = compileRES(res)
  # nacti rekurzivne vsechny soubory ve zdrojovem adreari
  for root, dirs, filenames in os.walk(dir_src):
    for name in filenames:
      # zpracuj jen ty vyhovujici pripone
      if os.path.splitext(name)[1].lower() in suffixes:
        # vytvor jmeno zdrojoveho a ciloveho souboru
        fn_in = os.path.join(root, name)
        fn_out = dir_dst + fn_in[len(dir_src):]
        # modifikuj soubor
        modifFilename(fn_in, fn_out, res)