def on_need_compare(self, pair):
"""Re-classify pair based on file attributes and options."""
# print("on_need_compare", pair)
# If no metadata is available, we could only classify file entries as
# 'existing'.
# Now we use peer information to improve this classification.
c_pair = (pair.local_classification, pair.remote_classification)
org_pair = c_pair
org_operation = pair.operation
# print("need_compare", pair)
if pair.is_dir:
# For directores, we cannot compare existing peer entries.
# Instead, we simply log (and traverse the children later).
pair.local_classification = pair.remote_classification = "existing"
pair.operation = "equal"
self._log_action("", "visit", "?", pair.local, min_level=4)
# self._log_action("", "equal", "=", pair.local, min_level=4)
return
elif c_pair == ("existing", "existing"):
# Naive classification derived from file time and size
time_cmp = eps_compare(pair.local.mtime, pair.remote.mtime, FileEntry.EPS_TIME)
if time_cmp < 0:
c_pair = ("unmodified", "modified") # remote is newer
elif time_cmp > 0:
c_pair = ("modified", "unmodified") # local is newer
elif pair.local.size == pair.remote.size:
c_pair = ("unmodified", "unmodified") # equal
else:
c_pair = ("modified", "modified") # conflict!
elif c_pair == ("new", "new"):
# Naive classification derived from file time and size
time_cmp = eps_compare(pair.local.mtime, pair.remote.mtime, FileEntry.EPS_TIME)
if time_cmp == 0 and pair.local.size == pair.remote.size:
c_pair = ("unmodified", "unmodified") # equal
else:
c_pair = ("modified", "modified") # conflict!
pair.local_classification = c_pair[0]
pair.remote_classification = c_pair[1]
pair.operation = operation_map.get(c_pair)
# print("on_need_compare {} => {}".format(org_pair, pair))
if not pair.operation:
raise RuntimeError("Undefined operation for pair classification {}".format(c_pair))
elif pair.operation == org_operation:
raise RuntimeError("Could not re-classify {}".format(org_pair))
handler = getattr(self, "on_" + pair.operation, None)
res = handler(pair)
# self._log_action("", "different", "?", pair.local, min_level=2)
return res
def _eps_compare(date_1, date_2):
return eps_compare(date_1, date_2, FileEntry.EPS_TIME)
def on_need_compare(self, pair):
"""Re-classify pair based on file attributes and options."""
# print("on_need_compare", pair)
# If no metadata is available, we could only classify file entries as
# 'existing'.
# Now we use peer information to improve this classification.
c_pair = (pair.local_classification, pair.remote_classification)
org_pair = c_pair
org_operation = pair.operation
# print("need_compare", pair)
if pair.is_dir:
# For directores, we cannot compare existing peer entries.
# Instead, we simply log (and traverse the children later).
pair.local_classification = pair.remote_classification = "existing"
pair.operation = "equal"
self._log_action("", "visit", "?", pair.local, min_level=4)
# self._log_action("", "equal", "=", pair.local, min_level=4)
return
elif c_pair == ("existing", "existing"):
# Naive classification derived from file time and size
time_cmp = eps_compare(
pair.local.mtime, pair.remote.mtime, FileEntry.EPS_TIME
)
if time_cmp < 0:
c_pair = ("unmodified", "modified") # remote is newer
elif time_cmp > 0:
c_pair = ("modified", "unmodified") # local is newer
elif pair.local.size == pair.remote.size:
c_pair = ("unmodified", "unmodified") # equal
else:
c_pair = ("modified", "modified") # conflict!
elif c_pair == ("new", "new"):
# Naive classification derived from file time and size
time_cmp = eps_compare(
pair.local.mtime, pair.remote.mtime, FileEntry.EPS_TIME
)
if time_cmp == 0 and pair.local.size == pair.remote.size:
c_pair = ("unmodified", "unmodified") # equal
else:
c_pair = ("modified", "modified") # conflict!
# elif c_pair == ("unmodified", "unmodified"):
pair.local_classification = c_pair[0]
pair.remote_classification = c_pair[1]
pair.operation = operation_map.get(c_pair)
# print("on_need_compare {} => {}".format(org_pair, pair))
if not pair.operation:
raise RuntimeError(
"Undefined operation for pair classification {}".format(c_pair)
)
elif pair.operation == org_operation:
raise RuntimeError("Could not re-classify {}".format(org_pair))
handler = getattr(self, "on_" + pair.operation, None)
res = handler(pair)
# self._log_action("", "different", "?", pair.local, min_level=2)
return res