def run(self, url, order):
from flask import current_app
from werkzeug.exceptions import NotFound, MethodNotAllowed
rows = []
column_length = 0
column_headers = ('Rule', 'Endpoint', 'Arguments')
if url:
try:
rule, arguments = current_app.url_map \
.bind('localhost') \
.match(url, return_rule=True)
rows.append((rule.rule, rule.endpoint, arguments))
column_length = 3
except (NotFound, MethodNotAllowed) as e:
rows.append(("<%s>" % e, None, None))
column_length = 1
else:
rules = sorted(current_app.url_map.iter_rules(), key=lambda rule: getattr(rule, order))
for rule in rules:
rows.append((rule.rule, rule.endpoint, None))
column_length = 2
str_template = ''
table_width = 0
if column_length >= 1:
max_rule_length = max(len(r[0]) for r in rows)
max_rule_length = max_rule_length if max_rule_length > 4 else 4
str_template += '%-' + str(max_rule_length) + 's'
table_width += max_rule_length
if column_length >= 2:
max_endpoint_length = max(len(str(r[1])) for r in rows)
# max_endpoint_length = max(rows, key=len)
max_endpoint_length = max_endpoint_length if max_endpoint_length > 8 else 8
str_template += ' %-' + str(max_endpoint_length) + 's'
table_width += 2 + max_endpoint_length
if column_length >= 3:
max_arguments_length = max(len(str(r[2])) for r in rows)
max_arguments_length = max_arguments_length if max_arguments_length > 9 else 9
str_template += ' %-' + str(max_arguments_length) + 's'
table_width += 2 + max_arguments_length
print(str_template % (column_headers[:column_length]))
print('-' * table_width)
for row in rows:
print(str_template % row[:column_length])
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