def replace_if_changed(localfile, jottapath, JFS):
"""Compare md5 hash to determine if contents have changed.
Upload a file from local disk and replace file on JottaCloud if the md5s differ,
or continue uploading if the file is incompletely uploaded.
Returns the JottaFile object"""
jf = JFS.getObject(jottapath)
with open(localfile) as lf:
lf_hash = calculate_md5(lf)
if type(jf) == JFSIncompleteFile:
logging.debug("Local file %s is incompletely uploaded, continue", localfile)
return resume(localfile, jf, JFS)
elif jf.md5 == lf_hash: # hashes are the same
logging.debug("hash match (%s), file contents haven't changed", lf_hash)
return jf # return the version from jottaclouds
else:
return new(localfile, jottapath, JFS)
def replace_if_changed(localfile, jottapath, JFS):
"""Compare md5 hash to determine if contents have changed.
Upload a file from local disk and replace file on JottaCloud if the md5s differ,
or continue uploading if the file is incompletely uploaded.
Returns the JottaFile object"""
jf = JFS.getObject(jottapath)
lf_hash = getxattrhash(localfile) # try to read previous hash, stored in xattr
if lf_hash is None: # no valid hash found in xattr,
with open(localfile) as lf:
lf_hash = calculate_md5(lf) # (re)calculate it
if type(jf) == JFSIncompleteFile:
log.debug("Local file %s is incompletely uploaded, continue", localfile)
return resume(localfile, jf, JFS)
elif jf.md5 == lf_hash: # hashes are the same
log.debug("hash match (%s), file contents haven't changed", lf_hash)
setxattrhash(localfile, lf_hash)
return jf # return the version from jottaclouds
else:
setxattrhash(localfile, lf_hash)
return new(localfile, jottapath, JFS)
def replace_if_changed(localfile, jottapath, JFS):
"""Compare md5 hash to determine if contents have changed.
Upload a file from local disk and replace file on JottaCloud if the md5s differ,
or continue uploading if the file is incompletely uploaded.
Returns the JottaFile object"""
jf = JFS.getObject(jottapath)
lf_hash = getxattrhash(localfile) # try to read previous hash, stored in xattr
if lf_hash is None: # no valid hash found in xattr,
with open(localfile, 'rb') as lf:
lf_hash = calculate_md5(lf) # (re)calculate it
if type(jf) == JFSIncompleteFile:
log.debug("Local file %s is incompletely uploaded, continue", localfile)
return resume(localfile, jf, JFS)
elif jf.md5 == lf_hash: # hashes are the same
log.debug("hash match (%s), file contents haven't changed", lf_hash)
setxattrhash(localfile, lf_hash)
return jf # return the version from jottaclouds
else:
setxattrhash(localfile, lf_hash)
return new(localfile, jottapath, JFS)
