95 lines
3.7 KiB
Python
95 lines
3.7 KiB
Python
# -*- coding: utf-8 -*-
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# --------------------------------------------------------------------------------
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# Zip Tools
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# --------------------------------------------------------------------------------
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import os
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import zipfile
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from platformcode import config, logger
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class ziptools:
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def extract(self, file, dir, folder_to_extract="", overwrite_question=False, backup=False):
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logger.info("file=%s" % file)
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logger.info("dir=%s" % dir)
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if not dir.endswith(':') and not os.path.exists(dir):
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os.mkdir(dir)
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zf = zipfile.ZipFile(file)
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if not folder_to_extract:
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self._createstructure(file, dir)
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num_files = len(zf.namelist())
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for nameo in zf.namelist():
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name = nameo.replace(':', '_').replace('<', '_').replace('>', '_').replace('|', '_').replace('"', '_').replace('?', '_').replace('*', '_')
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logger.info("name=%s" % nameo)
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if not name.endswith('/'):
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logger.info("no es un directorio")
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try:
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(path, filename) = os.path.split(os.path.join(dir, name))
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logger.info("path=%s" % path)
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logger.info("name=%s" % name)
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if folder_to_extract:
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if path != os.path.join(dir, folder_to_extract):
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break
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else:
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os.makedirs(path)
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except:
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pass
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if folder_to_extract:
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outfilename = os.path.join(dir, filename)
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else:
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outfilename = os.path.join(dir, name)
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logger.info("outfilename=%s" % outfilename)
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try:
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if os.path.exists(outfilename) and overwrite_question:
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from platformcode import platformtools
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dyesno = platformtools.dialog_yesno("El archivo ya existe",
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"El archivo %s a descomprimir ya existe" \
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", ¿desea sobrescribirlo?" \
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% os.path.basename(outfilename))
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if not dyesno:
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break
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if backup:
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import time
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import shutil
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hora_folder = "Copia seguridad [%s]" % time.strftime("%d-%m_%H-%M", time.localtime())
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backup = os.path.join(config.get_data_path(), 'backups', hora_folder, folder_to_extract)
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if not os.path.exists(backup):
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os.makedirs(backup)
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shutil.copy2(outfilename, os.path.join(backup, os.path.basename(outfilename)))
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outfile = open(outfilename, 'wb')
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outfile.write(zf.read(nameo))
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except:
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logger.error("Error en fichero " + nameo)
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def _createstructure(self, file, dir):
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self._makedirs(self._listdirs(file), dir)
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def create_necessary_paths(filename):
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try:
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(path, name) = os.path.split(filename)
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os.makedirs(path)
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except:
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pass
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def _makedirs(self, directories, basedir):
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for dir in directories:
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curdir = os.path.join(basedir, dir)
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if not os.path.exists(curdir):
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os.mkdir(curdir)
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def _listdirs(self, file):
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zf = zipfile.ZipFile(file)
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dirs = []
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for name in zf.namelist():
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if name.endswith('/'):
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dirs.append(name)
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dirs.sort()
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return dirs
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