def isDir(self):
"""
Attempts to determine whether the dir exists or not:
Get the list of the parent dir.
If the dirname is in parent dir and 'd' starts permissions.
"""
try:
ftp=FtpUtils.getFtpConnection(self)
urlPath=self.split()['urlPath']
# there has to be a '' path if we found the server.
if urlPath=='':
ftp.close()
return True
if urlPath.endswith('/'):
urlPath.pop()
parentDir=''
dirName=urlPath
if '/' in urlPath:
(parentDir,dirName)=urlPath.rsplit('/',1)
d=FtpUtils.getDirList(ftp,parentDir)
ftp.quit()
if dirName in d:
if d[dirName]['permissions'].startswith('d'):
return True
return False
except Exception,e:
try:
FtpUtils.handleException(e,self)
except ufsi.PathNotFoundError,e:
return False
def isDir(self):
"""
Attempts to determine whether the dir exists or not:
Get the list of the parent dir.
If the dirname is in parent dir and 'd' starts permissions.
"""
try:
ftp = FtpUtils.getFtpConnection(self)
urlPath = self.split()['urlPath']
# there has to be a '' path if we found the server.
if urlPath == '':
ftp.close()
return True
if urlPath.endswith('/'):
urlPath.pop()
parentDir = ''
dirName = urlPath
if '/' in urlPath:
(parentDir, dirName) = urlPath.rsplit('/', 1)
d = FtpUtils.getDirList(ftp, parentDir)
ftp.quit()
if dirName in d:
if d[dirName]['permissions'].startswith('d'):
return True
return False
except Exception, e:
try:
FtpUtils.handleException(e, self)
except ufsi.PathNotFoundError, e:
return False
def getDirList(self,filter=None,sort=None):
"""
Returns a list of strings, the name of each dir or file in
this directory.
"""
try:
ftp=FtpUtils.getFtpConnection(self.__path)
d=FtpUtils.getDirList(ftp,self.__path.split()['urlPath'])
except Exception,e:
FtpUtils.handleException(e,self.__pathStr)
def getStat(self):
"""
Returns a dict of information about this file.
Expects the path to NOT end in a '/'.
"""
try:
s = self.__path.split()
ftp = FtpUtils.getFtpConnection(self.__path)
dl = FtpUtils.getDirList(ftp, s['urlPath'])
ftp.quit()
if not dl:
raise ufsi.PathNotFoundError(
'Path "%s" not found.' % self.__path, e)
return dl[s['fileName']]
except Exception, e:
FtpUtils.handleException(e, self.__pathStr)
def getStat(self):
"""
Returns a dict of information about this file.
Expects the path to NOT end in a '/'.
"""
try:
s=self.__path.split()
ftp=FtpUtils.getFtpConnection(self.__path)
dl=FtpUtils.getDirList(ftp,s['urlPath'])
ftp.quit()
if not dl:
raise ufsi.PathNotFoundError('Path "%s" not found.'
%self.__path,e)
return dl[s['fileName']]
except Exception,e:
FtpUtils.handleException(e,self.__pathStr)
def open(self,mode=None):
"""
Opens a file for reading or writing. Mode must be one of
r, rb, w or wb. If the file was previously open it is first
closed.
Raises:
* PathNotFoundError if the file couldn't be found.
* InvalidArgumentError if the mode isn't one of the accepted values.
"""
# close any previously open file
self.close()
# do some validation on the mode
if mode not in ('r','rb','w','wb'):
raise ufsi.InvalidArgumentError(
'Invalid mode: "%s"'%mode)
self.__openMode=mode
urlPath=self.__path.split()['urlPath']
if not urlPath:
raise ufsi.PathNotFoundError(
'FTP path "%s" contains no file path.'%self.__path)
try:
ftp=self.__ftpObject=FtpUtils.getFtpConnection(self.__path)
# execute the appropriate ftp command(s)
if 'b' in mode:
ftp.voidcmd('TYPE I')
else:
ftp.voidcmd('TYPE A')
if 'r' in mode:
ftpCmd='RETR '+urlPath
else:
ftpCmd='STOR '+urlPath
self.__ftpDataSocket=ftp.transfercmd(ftpCmd)
self.__ftpDataFile=self.__ftpDataSocket.makefile(mode)
except Exception,e:
FtpUtils.handleException(e,self.__pathStr)
def open(self, mode=None):
"""
Opens a file for reading or writing. Mode must be one of
r, rb, w or wb. If the file was previously open it is first
closed.
Raises:
* PathNotFoundError if the file couldn't be found.
* InvalidArgumentError if the mode isn't one of the accepted values.
"""
# close any previously open file
self.close()
# do some validation on the mode
if mode not in ('r', 'rb', 'w', 'wb'):
raise ufsi.InvalidArgumentError('Invalid mode: "%s"' % mode)
self.__openMode = mode
urlPath = self.__path.split()['urlPath']
if not urlPath:
raise ufsi.PathNotFoundError(
'FTP path "%s" contains no file path.' % self.__path)
try:
ftp = self.__ftpObject = FtpUtils.getFtpConnection(self.__path)
# execute the appropriate ftp command(s)
if 'b' in mode:
ftp.voidcmd('TYPE I')
else:
ftp.voidcmd('TYPE A')
if 'r' in mode:
ftpCmd = 'RETR ' + urlPath
else:
ftpCmd = 'STOR ' + urlPath
self.__ftpDataSocket = ftp.transfercmd(ftpCmd)
self.__ftpDataFile = self.__ftpDataSocket.makefile(mode)
except Exception, e:
FtpUtils.handleException(e, self.__pathStr)
def getStat(self):
"""
Returns a dict of information about this directory. Common
values are:
* size - size of the file system (as a string - may contain
commas). TODO: remove commas from size.
* permissions - a unix permissions string like: '-rwxrwxrwx'
* owner - the owner of the file
* group - the group of the file
"""
try:
# We must find the dir name in it's parent directory
s=self.__path.split()
urlPath=s['urlPath']
if urlPath.endswith('/'):
urlPath.pop()
# Currently can't get any details from the root dir
if urlPath=='':
return {}
# get parent dir (even if it's empty)
parentDir=''
dirName=urlPath
if '/' in urlPath:
(parentDir,dirName)=urlPath.rsplit('/',1)
# cater for a urlPath of /dir
parentDir+='/'
ftp=FtpUtils.getFtpConnection(self.__path)
dirList=FtpUtils.getDirList(ftp,parentDir)
if dirName not in dirList:
raise ufsi.PathNotFoundError('Path "%s" not found.'
%self.__path)
return dirList[dirName]
except Exception,e:
FtpUtils.handleException(e,self.__pathStr)
def isFile(self):
"""
Attempts to determine whether the file exists or not:
Get the list of the parent dir.
If the filename is in the parent dir and '-' starts the
permissions.
This is simpler than isDir because we can list a file its
self, and get the details from that.
TODO: Exception: If filename is a dir and also has a filename
file within it.
"""
try:
ftp = FtpUtils.getFtpConnection(self)
d = FtpUtils.getDirList(ftp, self.split()['urlPath'])
ftp.quit()
except Exception, e:
try:
FtpUtils.handleException(e, self)
except ufsi.PathNotFoundError, e:
ftp.quit()
return False
def isFile(self):
"""
Attempts to determine whether the file exists or not:
Get the list of the parent dir.
If the filename is in the parent dir and '-' starts the
permissions.
This is simpler than isDir because we can list a file its
self, and get the details from that.
TODO: Exception: If filename is a dir and also has a filename
file within it.
"""
try:
ftp=FtpUtils.getFtpConnection(self)
d=FtpUtils.getDirList(ftp,self.split()['urlPath'])
ftp.quit()
except Exception,e:
try:
FtpUtils.handleException(e,self)
except ufsi.PathNotFoundError,e:
ftp.quit()
return False
