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transfer.py~
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transfer.py~
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# detects presence of SD card
# transfers files to local storage, hashes and logs the hash, keeps track of # of files in transfer que
# make connection with other nodes
# transfers files to other nodes
# checks and deletes files for which the hash has arrived
#this now only works on *Nix
import md5, logging, pickle, os, glob
FILENAME = 'filedirectory.txt'
FILETYPES = ['.gif', '.jpg', '.jpeg', '.mpg', '.mpeg', '.mp4', '.avi']
logging.basicConfig(filename='log.log',level=logging.DEBUG, format='%(asctime)s %(message)s', datefmt='%m/%d/%Y %I:%M:%S %p')
def checkFileDirectory():
try:
directory = open(FILENAME, 'r')
except:
logging.warning("creating File Directory")
directory = open(FILENAME, 'wb')
directory.close()
return null
def pickleToFile(info):
directory = open(FILENAME, 'wb')
pickle.dump(info, directory)
directory.close()
return null
def pickleFromFile():
directory = open(FILENAME, 'rb')
return(pickle.load(directory))
#this needs to be refined.. basically useless - need to hash only the results of listFiles()
def hashFiles():
hashes = []
for file in os.listdir(os.getcwd()):
hasher = md5.new()
try:
output = open(file, 'r')
hasher.update(output.read())
hashes.append(hasher.hexdigest())
except:
logging.error("couldn't hash: " + file)
return hashes
def pollDf():
mounted = []
os.system('df > df.txt')
df = open('df.txt', 'r')
for line in df.readlines():
line = line.strip()
rec = dict(zip(gdf_cols, line.split(None, 5)))
filesys = rec['filesys']
dir = rec.get('dir')
if (dir and not (filesys.find(':') >= 0 or pseudofilesys.get(filesys))):
mounted.append(dir)
return mounted
def listFilesDwd(directory):
listOfFiles = []
for format in FILETYPES:
listOfFiles = listOfFiles + (glob.glob(directory + '/*' + format))
return listOfFiles
def listFiles():
listOfFiles = []
directory = os.getcwd()
for format in FILETYPES:
listOfFiles = listOfFiles + (glob.glob(directory + '/*' + format))
return listOfFiles
### MAIN ###