def system_rename(old, new):
CreatesList = GetDependsCreates()[1]
if (IsntProtected(old)
or any([PathAlong(old, r)
for r in CreatesList])) and (IsntProtected(new) or any(
[PathAlong(new, r) for r in CreatesList])):
old_rename(old, new)
else:
raise BadCheckError(funcname(), None, [old, new], [], CreatesList)
def system_makedirs2(DirName, mode=0777):
CreatesList = GetDependsCreates()[1]
if IsntProtected(DirName) or any([
PathAlong(DirName, r) or PathAlong(r, DirName)
for r in CreatesList
]):
old_makedirs2(DirName, mode)
else:
raise BadCheckError(funcname(), None, DirName, [], CreatesList)
def system_copytree(tocopy, destination, symlinks=False):
[DependencyList, CreatesList] = GetDependsCreates()
Check = (IsntProtected(tocopy) or any([
PathAlong(tocopy, r) for r in DependencyList + CreatesList
])) and (IsntProtected(destination)
or any([PathAlong(destination, r) for r in CreatesList]))
if Check:
old_copytree(tocopy, destination, symlinks=symlinks)
else:
raise BadCheckError(funcname(), tocopy, destination,
DependencyList, CreatesList)
def system_open(ToOpen, Mode='r', bufsize=1):
[DependencyList, CreatesList] = GetDependsCreates()
if IsntProtected(ToOpen) or any(
[PathAlong(ToOpen, r)
for r in CreatesList]) if ('w' in Mode or 'a' in Mode) else any(
[PathAlong(ToOpen, r) for r in CreatesList + DependencyList]):
return old_open(ToOpen, Mode, bufsize)
else:
print funcname(), caller(3), ToOpen if (
'w' in Mode
or 'a' in Mode) else None, DependencyList, CreatesList
raise BadCheckError(
funcname(), ToOpen if 'r' in Mode else None, ToOpen if
('w' in Mode or 'a' in Mode) else None, DependencyList,
CreatesList)
def IsntProtected(r):
'''
If the environment variable "PROTECTION" is set to "ON"
(see comments in i/o GetDependsCreates), this function looks
to see whether an environment variable called "ProtectedPathsListFile'
has been set. This is a path to a user configuration file which would list,
in lines, the list of directories on which the user wishes i/o protection
to be enforced. If no such path variable is set, the system looks uses
DataEnvironmentDirectory as the default, e.g everything in the
DataEnvironment would be protected if the PROTECTION variable
is set at 'ON'.
'''
env = os.environ
if isinstance(r, str) and len(r) > 0:
if r[0] != '/':
r = normpath(getcwd() + '/' + r)
if 'ProtectedPathsListFile' in env.keys():
ProtList = [
x for x in open(env['ProtectedPathsListFile'], 'r').split('\n')
if not x.strip(' ').startswith('#')
]
else:
ProtList = [WORKING_DE.root_dir]
return not any([PathAlong(r, x) for x in ProtList])
else:
return False
def system_rmtree(ToDelete, ignore_errors=False, onerror=None):
CreatesList = GetDependsCreates()[1]
if IsntProtected(ToDelete) or any(
[PathAlong(ToDelete, r) for r in CreatesList]):
old_rmtree(ToDelete, ignore_errors=ignore_errors, onerror=onerror)
else:
raise BadCheckError(funcname(), None, ToDelete, [], CreatesList)
def system_remove(ToDelete):
CreatesList = GetDependsCreates()[1]
if IsntProtected(ToDelete) or any(
[PathAlong(ToDelete, r) for r in CreatesList]):
old_remove(ToDelete)
else:
raise BadCheckError(funcname(), None, ToDelete, [], CreatesList)
def system_mkdir(DirName, mode=0777):
CreatesList = GetDependsCreates()[1]
if IsntProtected(DirName) or sum(
[PathAlong(DirName, r) for r in CreatesList]) > 0:
old_mkdir(DirName, mode)
else:
raise BadCheckError(funcname(), None, DirName, [], CreatesList)
def system_getatime(ToAssay):
[DependencyList, CreatesList] = GetDependsCreates()
if IsntProtected(ToAssay) or any(
[PathAlong(ToAssay, r) for r in DependencyList + CreatesList]):
return old_atime(ToAssay)
else:
BadCheckError(funcname(), ToAssay, None,
DependencyList + CreatesList, None)
def system_isdir(ToCheck):
[DependencyList, CreatesList] = GetDependsCreates()
if IsntProtected(ToCheck) or any(
[PathAlong(ToCheck, r) for r in DependencyList + CreatesList]):
return old_isdir(ToCheck)
else:
BadCheckError(funcname(), ToCheck, None,
DependencyList + CreatesList, None)
