mirror of
https://github.com/yogeshojha/rengine.git
synced 2026-09-18 15:57:44 +02:00
147 lines
3.7 KiB
Python
Executable File
147 lines
3.7 KiB
Python
Executable File
# -*- coding: utf-8 -*-
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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# MA 02110-1301, USA.
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#
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# Author: Mauro Soria
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import os
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import os.path
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class File(object):
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def __init__(self, *pathComponents):
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self._path = FileUtils.buildPath(*pathComponents)
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self.content = None
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@property
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def path(self):
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return self._path
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@path.setter
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def path(self, value):
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raise NotImplemented
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def isValid(self):
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return FileUtils.isFile(self.path)
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def exists(self):
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return FileUtils.exists(self.path)
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def canRead(self):
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return FileUtils.canRead(self.path)
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def canWrite(self):
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return FileUtils.canWrite(self.path)
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def read(self):
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return FileUtils.read(self.path)
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def update(self):
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self.content = self.read()
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def content(self):
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if not self.content:
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self.content = FileUtils.read()
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return self.content()
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def getLines(self):
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for line in FileUtils.getLines(self.path):
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yield line
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def __cmp__(self, other):
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if not isinstance(other, File):
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raise NotImplemented
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return cmp(self.content(), other.content())
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def __enter__(self):
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return self
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def __exit__(self, type, value, tb):
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pass
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class FileUtils(object):
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@staticmethod
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def buildPath(*pathComponents):
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if pathComponents:
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path = os.path.join(*pathComponents)
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else:
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path = ""
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return path
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@staticmethod
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def exists(fileName):
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return os.access(fileName, os.F_OK)
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@staticmethod
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def canRead(fileName):
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if not os.access(fileName, os.R_OK):
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return False
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try:
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with open(fileName):
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pass
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except IOError:
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return False
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return True
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@staticmethod
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def canWrite(fileName):
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return os.access(fileName, os.W_OK)
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@staticmethod
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def read(fileName):
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result = ""
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with open(fileName, "r") as fd:
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for line in fd.readlines():
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result += line
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return result
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@staticmethod
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def getLines(fileName):
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with open(fileName, "r", errors="replace") as fd:
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return fd.read().splitlines()
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@staticmethod
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def isDir(fileName):
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return os.path.isdir(fileName)
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@staticmethod
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def isFile(fileName):
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return os.path.isfile(fileName)
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@staticmethod
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def createDirectory(directory):
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if not FileUtils.exists(directory):
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os.makedirs(directory)
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@staticmethod
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def sizeHuman(num):
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base = 1024
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for x in ["B ", "KB", "MB", "GB"]:
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if num < base and num > -base:
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return "%3.0f%s" % (num, x)
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num /= base
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return "%3.0f %s" % (num, "TB")
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@staticmethod
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def writeLines(fileName, lines):
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content = None
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if type(lines) is list:
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content = "\n".join(lines)
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else:
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content = lines
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with open(fileName, "w") as f:
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f.writelines(content)
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