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sprutio-rpc/lib/FileManager/workers/local/createArchive.py
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import os | |
import time | |
import traceback | |
import libarchive | |
from lib.FileManager.FM import REQUEST_DELAY | |
from lib.FileManager.workers.baseWorkerCustomer import BaseWorkerCustomer | |
class CreateArchive(BaseWorkerCustomer): | |
def __init__(self, params, *args, **kwargs): | |
super(CreateArchive, self).__init__(*args, **kwargs) | |
self.path = params.get('path') | |
self.type = params.get('type', 'zip') | |
self.file_items = params.get('files', []) | |
self.params = params | |
def run(self): | |
try: | |
self.preload() | |
abs_archive_path = self.get_abs_path(self.path) | |
dir_name = os.path.dirname(abs_archive_path) | |
if not os.path.exists(dir_name): | |
os.makedirs(dir_name) | |
if not os.path.isdir(dir_name): | |
raise Exception("Destination path is not a directory") | |
archive_type = self.get_archive_type(self.type) | |
if not archive_type: | |
raise Exception("Unknown archive type") | |
archive_path = abs_archive_path + "." + archive_type | |
if os.path.exists(archive_path): | |
raise Exception("Archive file already exist") | |
self.on_running(self.status_id, pid=self.pid, pname=self.name) | |
archive = libarchive.Archive(archive_path, "w") | |
next_tick = time.time() + REQUEST_DELAY | |
i = 0 | |
for file_item in self.file_items: | |
try: | |
abs_path = self.get_abs_path(file_item.get("path")) | |
file_basename = os.path.basename(abs_path) | |
if os.path.isfile(abs_path): | |
self.logger.info("Packing file: %s" % (abs_path,)) | |
f = open(abs_path, 'rb') | |
archive.write(self.make_entry(abs_path, file_basename), data=f.read()) | |
f.close() | |
elif os.path.isdir(abs_path): | |
self.logger.info("Packing dir: %s" % (abs_path,)) | |
for current, dirs, files in os.walk(abs_path): | |
for f in files: | |
file_path = os.path.join(current, f) | |
file_obj = open(file_path, 'rb') | |
rel_path = os.path.relpath(file_path, abs_path) | |
base_path = os.path.join(file_basename, rel_path) | |
archive.write(self.make_entry(file_path, base_path), data=file_obj.read()) | |
file_obj.close() | |
i += 1 | |
if time.time() > next_tick: | |
progress = { | |
'percent': round(float(i) / float(len(self.file_items)), 2), | |
'text': str(int(round(float(i) / float(len(self.file_items)), 2) * 100)) + '%' | |
} | |
self.on_running(self.status_id, progress=progress, pid=self.pid, pname=self.name) | |
next_tick = time.time() + REQUEST_DELAY | |
except Exception as e: | |
self.logger.error( | |
"Error archive file %s , error %s , %s" % (str(file_item), str(e), traceback.format_exc())) | |
raise e | |
progress = { | |
'percent': round(float(i) / float(len(self.file_items)), 2), | |
'text': str(int(round(float(i) / float(len(self.file_items)), 2) * 100)) + '%' | |
} | |
result = { | |
"archive": self._make_file_info(archive_path) | |
} | |
self.on_success(self.status_id, data=result, progress=progress, pid=self.pid, pname=self.name) | |
except Exception as e: | |
result = { | |
"error": True, | |
"message": str(e), | |
"traceback": traceback.format_exc() | |
} | |
self.on_error(self.status_id, result, pid=self.pid, pname=self.name) | |
@staticmethod | |
def get_archive_type(extension): | |
archive_type = False | |
if extension == 'zip': | |
archive_type = 'zip' | |
elif extension == 'gzip': | |
archive_type = 'tar.gz' | |
elif extension == 'bz2': | |
archive_type = 'tar.bz2' | |
elif extension == 'tar': | |
archive_type = 'tar' | |
return archive_type | |
@staticmethod | |
def make_entry(f, base_path): | |
entry = libarchive.Entry(encoding='utf-8') | |
st = os.stat(f) | |
entry.pathname = base_path | |
entry.size = st.st_size | |
entry.mtime = st.st_mtime | |
entry.mode = st.st_mode | |
return entry |