import re
import json
import csv
# Clean code: regex compiled once at module level
PATTERN = re.compile(r"\d+")
def process_lines(lines):
for line in lines:
if PATTERN.match(line):
print(line)
# Clean code: json.loads called once, result reused
def parse_config(raw_data):
settings = json.loads(raw_data)
return {**settings}
# Clean code: json.dumps called once, result reused
def publish_event(event):
serialized = json.dumps(event)
return serialized, serialized
# Clean code: use min() / max() instead of sorted()[0]
def get_smallest(values):
return min(values)
def get_largest(values):
return max(values)
# Clean code: use sum() with generator expression
def count_active(users):
return sum(1 for u in users if u.is_active)
# Clean code: iterate file directly
def load_log_file(path):
with open(path) as f:
for line in f:
process(line)
# Clean code: iterate file directly for lines
def parse_manifest(path):
with open(path) as f:
return list(f)
# Clean code: use a set or tuple for membership checks
VALID_STATUSES = {"active", "pending", "review", "approved"}
def check_status(status):
if status in VALID_STATUSES:
return True
return False
# Clean code: use tuple argument to startswith/endswith
def is_image_file(name):
return name.endswith((".png", ".jpg", ".gif"))
# Clean code: use enumerate directly
def index_items(items):
for i, item in enumerate(items):
print(i, item)
# Clean code: no flush per row, let OS handle buffering
def export_rows(data, output_path):
with open(output_path, "w") as f:
writer = csv.writer(f)
for row in data:
writer.writerow(row)
# Clean code: use buffered writes (e.g. writelines or io.BufferedWriter)
def write_report(records, output_path):
with open(output_path, "w") as f:
f.writelines(record.to_line() + "\n" for record in records)
# Clean code: open file once
def load_and_validate(config_path):
with open(config_path) as f:
raw = f.read()
parsed = json.loads(raw)
return raw, parsed
# Clean code: access dict methods outside the loop
def transform_entries(mapping):
key_set = set(mapping.keys())
for key in range(10):
if key in key_set:
print(key)
def process(line):
pass