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Add error handling for cache file operations

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Co-authored-by: kuhyx <147418882+kuhyx@users.noreply.github.com>
This commit is contained in:
copilot-swe-agent[bot] 2026-01-18 13:28:22 +00:00
parent 1c468667d5
commit eaf0d43311
1 changed files with 15 additions and 6 deletions
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21
python_pkg/polish_license_plates/fetch_license_plates.py
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@ -104,10 +104,15 @@ def fetch_wikipedia_html(*, force_refresh: bool = False) -> str:
# Check if we can use cache
if not force_refresh and is_cache_valid(cache_path):
sys.stdout.write(f"Using cached data from {cache_path}\n")
cache_age_hours = int((time.time() - cache_path.stat().st_mtime) / 3600)
sys.stdout.write(f"Cache age: {cache_age_hours} hours\n")
return cache_path.read_text(encoding="utf-8")
try:
sys.stdout.write(f"Using cached data from {cache_path}\n")
cache_age_hours = int((time.time() - cache_path.stat().st_mtime) / 3600)
sys.stdout.write(f"Cache age: {cache_age_hours} hours\n")
return cache_path.read_text(encoding="utf-8")
except OSError as e:
sys.stderr.write(f"Warning: Failed to read cache: {e}\n")
sys.stderr.write("Fetching fresh data from Wikipedia...\n")
# Fall through to fetch from Wikipedia
# Fetch from Wikipedia
url = "https://en.wikipedia.org/wiki/Vehicle_registration_plates_of_Poland"
@ -126,8 +131,12 @@ def fetch_wikipedia_html(*, force_refresh: bool = False) -> str:
raise RuntimeError(msg) from e
# Cache the response
cache_path.write_text(response.text, encoding="utf-8")
sys.stdout.write(f"Cached response to {cache_path}\n")
try:
cache_path.write_text(response.text, encoding="utf-8")
sys.stdout.write(f"Cached response to {cache_path}\n")
except OSError as e:
sys.stderr.write(f"Warning: Failed to write cache: {e}\n")
# Continue anyway - the data was fetched successfully
return response.text