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from itertools import chain
from gondul import fetch_gondul_switches
cable_label_format = "%(switch_name)s-%(switch_num)s-%(cable_name)s"
mark_twice = True
num_tabs = 1
def generate_label(switch, cable_name):
data = {
"switch_name": switch.split("-")[0],
"switch_num": switch.split("-")[1],
"cable_name": cable_name,
}
label = cable_label_format % data
if not mark_twice:
return label
return "{}{}{}".format(label, "\t" * num_tabs, label)
def generate_label_copies(switch, cable_name, copies=2):
return [generate_label(switch, cable_name) for _ in range(0, copies)]
def generate_labels(switches, aps=[], copies=2, uplinks=3):
print("Generating {} copies of each label for {} uplinks for {} switches and {} APs ({} labels)".format(
copies, uplinks, len(switches), len(aps), (len(switches) * uplinks + len(aps)) * copies))
labels = []
for i in range(0, len(switches)):
switch = switches[i]
switch_name = switch[1:]
cable_labels = [generate_label_copies(
switch_name, uplink + 1, copies=copies) for uplink in range(0, uplinks)]
# Destructure the list of copies into a flat list
labels.extend(chain.from_iterable(cable_labels))
if switch_name in aps:
labels.extend(
generate_label_copies(switch_name, "AP", copies=copies))
return labels
def write_to_file(data, outfile="cable_labels.csv", filenum=1):
outfile_numbered = outfile.replace(".", "-{}.".format(filenum))
with open(outfile_numbered, "w") as f:
f.writelines("\n".join(data))
def chunk_list(li, items):
for i in range(0, len(li), items):
yield li[i:i+items]
def write_csv(data, outfile="cable_labels.csv", split_per_num=100):
split_data = list(chunk_list(data, split_per_num))
for i in range(0, len(split_data)):
write_to_file(split_data[i], filenum=i+1)
print("Wrote cable labels to {} files, starting from {}".format(
len(split_data), outfile.replace(".", "-1.")))
def make_cable_labels(uplinks=3):
print("Generating labels for cables")
switches = fetch_gondul_switches()
labels = generate_labels(switches, uplinks=uplinks, aps=[])
write_csv(labels)
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