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# Copyright John N. Laliberte <allanonjl@gentoo.org>
# LICENSE - GPL2
#ftp module
# large amount of this taken from
# added in debug statements
# http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/436211
################
# my ftp module that should be easier to understand.
import os,ftplib
DEBUG = False
class FTPWalker:
def __init__(self, site, user, passwd):
self.ftp = ftplib.FTP(site,user,passwd)
if DEBUG: print "logged into ftp"
def cd(self,path):
try:
self.ftp.cwd(path)
#sys.stdout.write(".")
if DEBUG: print "successfully changed path to " + path
return True
except:
print "Directory does not exist " + path
return False
def pwd(self):
return self.ftp.pwd()
def ls( self, cwd ):
lines = []
self.ftp.retrlines( "LIST", lines.append )
return map( lambda x: self.extract_info( cwd, x ), lines )
def str2perm( self,str ):
return str[0] == 'd', str[0] == 'l'
def extract_info( self, cwd, line ):
fullmode, links, owner, group, size, rest = line.split( None, 5 )
isdir, islink = self.str2perm( fullmode )
name = rest[13:]
#if 0 < string.find(name,"->"):
if islink:
name, symbolic = name.split("->")
name = name.strip()
symbolic = symbolic.strip()
if DEBUG: print "Name of the file is: " + name
return FileInformation(name, isdir)
class FileInformation:
def __init__(self, name, isdirectory):
self.name = name
self.isdir = isdirectory
def pattern( p, v ): return fnmatch.fnmatch( v, p )
def dropslashes( str ):
i, n = 0, len( str )
while i < n and str[i] == '/': i += 1
return str[i:]
def excluded( exclude_patterns, dir ):
for exclude_pattern in exclude_patterns:
if pattern( exclude_pattern, dir ):
return True
return False
def listSiteGen( walker, dir, excluded_names):
path = walker.pwd()
#if not excluded( excluded_names, dir ) and walker.cd( dir ):
if walker.cd(dir):
newpath = dropslashes( os.path.join( path, dir ) )
lsresult = walker.ls( newpath )
for info in lsresult:
if info.isdir:
for rec_info in listSiteGen( walker, info.name, excluded_names):
yield rec_info
else:
yield info
walker.cd( path )
def find_files(walker, dir, excluded_names, excluded_suffixes):
file_listing = []
for fileinfo in listSiteGen( walker, dir, excluded_names):
#if not excluded( excluded_suffixes, fileinfo):
if DEBUG: print "Appending: " + str(fileinfo.name)
file_listing.append(fileinfo.name)
return file_listing
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