def clear_temporary(self):
"""
Retains both sender and recipient.
"""
self.filedataname = None
self.filedata = None
self.btprox = None
self.gsm = None
self.gps = None
self.gps_gui = None
if os.path.isfile(ut.to_str(test_filedata)):
self.filedataname = ut.basename(test_filedata)
self.filedata = read_file(test_filedata)
self.update_timestamp("all")
def rename_picfile(self):
if self.card.picfile is not None:
dirname = ut.dirname(self.card.picfile)
old_basename = ut.basename(self.card.picfile)
new_basename = appuifw.query(u"Filename:", "text", old_basename)
if new_basename is not None:
new_picfile = dirname + "\\" + new_basename
# Better check since on some platforms the target is
# silently clobbered.
if os.path.exists(ut.to_str(new_picfile)):
appuifw.note(u"File by that name already exists", "error")
return
try:
os.rename(ut.to_str(self.card.picfile),
ut.to_str(new_picfile))
except:
appuifw.note(u"Failed to rename photo", "error")
return
self.card.set_picfile(new_picfile)
def refresh_metadata(self):
metadata = self.metadata = {}
if self.filedata:
metadata["data filename"] = self.filedataname
if self.picfile:
metadata["photo filename"] = ut.basename(self.picfile)
metadata["sender"] = self.sender
metadata["receiver"] = self.recipient
metadata["status"] = self.mood
if self.gps is not None:
metadata["gps"] = self.gps
if self.btprox:
metadata["bt scan"] = self.btprox
if self.gsm is not None:
(country_code, network_code, area_code, cell_id) = self.gsm
metadata["gsm"] = {"country code" : country_code, "network code" : network_code, "area code" : area_code, "cell id" : cell_id}
metadata["time"] = self.time
def set_picfile(self, picfile):
cell = self.cells["picfile"]
cell.text = (picfile is None) and u"[ADD]" or ut.basename(picfile)
self.refresh_cells(cell)
def serialize_card(card):
"""
We might consider making card sending more memory friendly by
building the serialized form as it is required. In particular,
reading the photo from a file in small chunks without storing the
whole thing in memory would be useful. We could use a generator
function, possibly, so that the sending function would repeatedly
invoke the generator as it should require more data to send.
"""
host, port, path = dest_info
lf = "\r\n"
boundary = "-----AaB03xeql7ds"
hb = "--" + boundary
pbegin = hb + lf
psep = lf + pbegin
pend = lf + hb + "--" + lf
parts = []
metaparthead = "Content-Disposition: form-data; name=\"metadata\"; filename=\"postcard-metadata.json\"\r\nContent-Type: application/json; charset=UTF-8\r\n"
metapartbody = simplejson.dumps(filter_nan(card.metadata))
metapart = lf.join([metaparthead, metapartbody])
parts.append(metapart)
if card.filedata is not None:
filedatapartbody = card.filedata
filedataparthead = "Content-Disposition: form-data; name=\"filedata\"; filename=%s\r\nContent-Type: application/octet-stream\r\nContent-Transfer-Encoding: binary\r\n" % filename_str_encode(card.filedataname)
filedatapart = lf.join([filedataparthead, filedatapartbody])
parts.append(filedatapart)
if card.picfile is not None:
#print repr(card.picfile)
picpartbody = read_file(card.picfile)
#print repr(picpartbody)
picparthead = "Content-Disposition: form-data; name=\"picture\"; filename=%s\r\nContent-Type: image/jpeg\r\nContent-Transfer-Encoding: binary\r\n" % filename_str_encode(ut.basename(card.picfile))
picpart = lf.join([picparthead, picpartbody])
parts.append(picpart)
uppartbody = "Upload"
upparthead = "Content-Disposition: form-data; name=\"upload\"\r\n"
uppart = lf.join([upparthead, uppartbody])
parts.append(uppart)
body = "".join([pbegin, psep.join(parts), pend])
body_len = len(body)
header = "POST %s HTTP/1.1\r\nHost: %s:%d\r\nConnection: close\r\nContent-type: multipart/form-data, boundary=%s\r\nContent-Length: %d\r\n" % (path, host, port, boundary, body_len)
request = "".join([header, "\r\n", body])
return request
