def stat(path):
"""stat(path) -> stat result
Perform a stat system call on the given path.
The Java stat implementation only returns a small subset of
the standard fields: size, modification time and change time.
"""
abs_path = sys.getPath(path)
try:
return stat_result.from_jnastat(_posix.stat(abs_path))
except NotImplementedError:
pass
except:
raise
f = File(abs_path)
if not f.exists():
raise OSError(errno.ENOENT, strerror(errno.ENOENT), path)
size = f.length()
mtime = f.lastModified() / 1000.0
mode = 0
if f.isDirectory():
mode = _stat.S_IFDIR
elif f.isFile():
mode = _stat.S_IFREG
if f.canRead():
mode = mode | _stat.S_IREAD
if f.canWrite():
mode = mode | _stat.S_IWRITE
return stat_result((mode, 0, 0, 0, 0, 0, size, mtime, mtime, 0))
def access(path, mode):
"""access(path, mode) -> True if granted, False otherwise
Use the real uid/gid to test for access to a path. Note that most
operations will use the effective uid/gid, therefore this routine can
be used in a suid/sgid environment to test if the invoking user has the
specified access to the path. The mode argument can be F_OK to test
existence, or the inclusive-OR of R_OK, W_OK, and X_OK.
"""
if not isinstance(mode, (int, long)):
raise TypeError('an integer is required')
f = File(sys.getPath(path))
result = True
if not f.exists():
result = False
if mode & R_OK and not f.canRead():
result = False
if mode & W_OK and not f.canWrite():
result = False
if mode & X_OK:
# NOTE: always False without jna-posix stat
try:
result = (stat(path).st_mode & _stat.S_IEXEC) != 0
except OSError:
result = False
return result
def stat(path):
"""stat(path) -> stat result
Perform a stat system call on the given path.
The Java stat implementation only returns a small subset of
the standard fields: size, modification time and change time.
"""
abs_path = sys.getPath(path)
try:
return stat_result.from_jnastat(_posix.stat(abs_path))
except NotImplementedError:
pass
except:
raise
f = File(abs_path)
if not f.exists():
raise OSError(errno.ENOENT, errno.strerror(errno.ENOENT), path)
size = f.length()
mtime = f.lastModified() / 1000.0
mode = 0
if f.isDirectory():
mode = _stat.S_IFDIR
elif f.isFile():
mode = _stat.S_IFREG
if f.canRead():
mode = mode | _stat.S_IREAD
if f.canWrite():
mode = mode | _stat.S_IWRITE
return stat_result((mode, 0, 0, 0, 0, 0, size, mtime, mtime, 0))
def access(path, mode):
"""access(path, mode) -> True if granted, False otherwise
Use the real uid/gid to test for access to a path. Note that most
operations will use the effective uid/gid, therefore this routine can
be used in a suid/sgid environment to test if the invoking user has the
specified access to the path. The mode argument can be F_OK to test
existence, or the inclusive-OR of R_OK, W_OK, and X_OK.
"""
if not isinstance(mode, (int, long)):
raise TypeError('an integer is required')
f = File(sys.getPath(path))
result = True
if not f.exists():
result = False
if mode & R_OK and not f.canRead():
result = False
if mode & W_OK and not f.canWrite():
result = False
if mode & X_OK:
# NOTE: always False without jna-posix stat
try:
result = (stat(path).st_mode & _stat.S_IEXEC) != 0
except OSError:
result = False
return result
def checkDiscoveryResources(mapingFilesListFileName, userExtDir, localFramework, intermediatesDir):
try:
initialMappingFileNameList = []
mappingFileNameList = []
## Get mapping file list
mappingFilesListFile = File(mapingFilesListFileName)
if mappingFilesListFile.exists() and mappingFilesListFile.canRead():
initialMappingFileNameList = getMappingFileNames(mapingFilesListFileName)
if initialMappingFileNameList == None or len(initialMappingFileNameList) < 1:
excInfo = ('No mapping files found in <%s>' % mapingFilesListFileName)
localFramework.reportError(excInfo)
logger.error(excInfo)
return None
else:
excInfo = ('Error reading file <%s>' % mapingFilesListFileName)
localFramework.reportError(excInfo)
logger.error(excInfo)
return None
## Make sure that at least one of the mapping files in the list above
## exists and is readable
mappingFileExists = 'false'
for mappingFileName in initialMappingFileNameList:
mappingFileAbsolutePath = userExtDir + 'data\\' + mappingFileName + '.xml'
mappingFile = File(mappingFileAbsolutePath)
if mappingFile.exists() and mappingFile.canRead():
debugPrint(4, '[' + SCRIPT_NAME + ':checkDiscoveryResources] Mapping file <%s> found!' % mappingFileAbsolutePath)
mappingFileExists = 'true'
## Add file with path to mappingFileNameList
#mappingFileNameList.append(mappingFileAbsolutePath)
mappingFileNameList.append(mappingFileName)
else:
logger.info('Mapping file <%s> NOT found!' % mappingFileAbsolutePath)
if mappingFileExists == 'false':
excInfo = 'Error reading mapping file(s)!'
localFramework.reportError(excInfo)
logger.warn(excInfo)
return None
## Make sure intermediates directory exists and is writable
intermediatesDirectory = File(intermediatesDir)
if intermediatesDirectory.exists() and intermediatesDirectory.canRead() and intermediatesDirectory.canWrite():
debugPrint(5, '[' + SCRIPT_NAME + ':checkDiscoveryResources] Intermediates directory <%s> present and writable!' % intermediatesDir)
## Clean up intermediate XML directory
## TODO remove cleanUpDirectory(intermediatesDir)
else:
excInfo = ('Intermediates directory <%s> not found or is read-only' % intermediatesDir)
localFramework.reportError(excInfo)
logger.warn(excInfo)
return None
## If we made it this far, all resources are good
return mappingFileNameList
except:
excInfo = logger.prepareJythonStackTrace('')
debugPrint('[' + SCRIPT_NAME + ':checkDiscoveryResources] Exception: <%s>' % excInfo)
pass
from java.nio.file import Paths
from java.nio.file import Path
from java.io import File
p=Paths.get("home","pi","Desktop","jython-prac-prog","stram_jython","file2.txt")
x = p.toFile()
x = File(x.getName())
print (x.isFile())
f = File("image1.png")
print (f.getName())
print ("length",f.length())
print ("Execute",f.canExecute())
print ("read",f.canRead())
print ("write",f.canWrite())
print ("path",f.getPath())
print ("Directory",f.isDirectory())
print ("parent",f.getParent())
def checkDiscoveryResources(mapingFilesListFileName, userExtDir,
localFramework, intermediatesDir):
try:
initialMappingFileNameList = []
mappingFileNameList = []
## Get mapping file list
mappingFilesListFile = File(mapingFilesListFileName)
if mappingFilesListFile.exists() and mappingFilesListFile.canRead():
initialMappingFileNameList = getMappingFileNames(
mapingFilesListFileName)
if initialMappingFileNameList == None or len(
initialMappingFileNameList) < 1:
excInfo = ('No mapping files found in <%s>' %
mapingFilesListFileName)
localFramework.reportError(excInfo)
logger.error(excInfo)
return None
else:
excInfo = ('Error reading file <%s>' % mapingFilesListFileName)
localFramework.reportError(excInfo)
logger.error(excInfo)
return None
## Make sure that at least one of the mapping files in the list above
## exists and is readable
mappingFileExists = 'false'
for mappingFileName in initialMappingFileNameList:
mappingFileAbsolutePath = userExtDir + 'data\\' + mappingFileName + '.xml'
mappingFile = File(mappingFileAbsolutePath)
if mappingFile.exists() and mappingFile.canRead():
debugPrint(
4, '[' + SCRIPT_NAME +
':checkDiscoveryResources] Mapping file <%s> found!' %
mappingFileAbsolutePath)
mappingFileExists = 'true'
## Add file with path to mappingFileNameList
#mappingFileNameList.append(mappingFileAbsolutePath)
mappingFileNameList.append(mappingFileName)
else:
logger.info('Mapping file <%s> NOT found!' %
mappingFileAbsolutePath)
if mappingFileExists == 'false':
excInfo = 'Error reading mapping file(s)!'
localFramework.reportError(excInfo)
logger.warn(excInfo)
return None
## Make sure intermediates directory exists and is writable
intermediatesDirectory = File(intermediatesDir)
if intermediatesDirectory.exists() and intermediatesDirectory.canRead(
) and intermediatesDirectory.canWrite():
debugPrint(
5, '[' + SCRIPT_NAME +
':checkDiscoveryResources] Intermediates directory <%s> present and writable!'
% intermediatesDir)
## Clean up intermediate XML directory
## TODO remove cleanUpDirectory(intermediatesDir)
else:
excInfo = (
'Intermediates directory <%s> not found or is read-only' %
intermediatesDir)
localFramework.reportError(excInfo)
logger.warn(excInfo)
return None
## If we made it this far, all resources are good
return mappingFileNameList
except:
excInfo = logger.prepareJythonStackTrace('')
debugPrint('[' + SCRIPT_NAME +
':checkDiscoveryResources] Exception: <%s>' % excInfo)
pass
