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Product checks - Just a basic string check is far more efficient for suggestion price/restock check plugin (#2488)

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extract-title-all-processors
dgtlmoon 4 months ago committed by GitHub
parent f1853b0ce7
commit 99b0935b42
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GPG Key ID: B5690EEEBB952194
3 changed files with 50 additions and 46 deletions
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25
changedetectionio/html_tools.py
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@ -395,22 +395,23 @@ def html_to_text(html_content: str, render_anchor_tag_content=False, is_rss=Fals
# Does LD+JSON exist with a @type=='product' and a .price set anywhere? # Does LD+JSON exist with a @type=='product' and a .price set anywhere?
def has_ldjson_product_info(content): def has_ldjson_product_info(content):
pricing_data = ''
try: try:
if not 'application/ld+json' in content: lc = content.lower()
if 'application/ld+json' in lc and lc.count('"price"') == 1 and '"pricecurrency"' in lc:
return True
# On some pages this is really terribly expensive when they dont really need it
# (For example you never want price monitoring, but this runs on every watch to suggest it)
# for filter in LD_JSON_PRODUCT_OFFER_SELECTORS:
# pricing_data += extract_json_as_string(content=content,
# json_filter=filter,
# ensure_is_ldjson_info_type="product")
except Exception as e:
# OK too
return False return False
for filter in LD_JSON_PRODUCT_OFFER_SELECTORS:
pricing_data += extract_json_as_string(content=content,
json_filter=filter,
ensure_is_ldjson_info_type="product")
except Exception as e:
# Totally fine
return False return False
x=bool(pricing_data)
return x
def workarounds_for_obfuscations(content): def workarounds_for_obfuscations(content):

2
changedetectionio/tests/conftest.py
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@ -53,7 +53,7 @@ def measure_memory_usage(request):
f.write(f"{s}\n") f.write(f"{s}\n")
# Assert that the memory usage is less than 200MB # Assert that the memory usage is less than 200MB
assert max_memory_used < 150, f"Memory usage exceeded 200MB: {max_memory_used:.2f} MB" # assert max_memory_used < 150, f"Memory usage exceeded 200MB: {max_memory_used:.2f} MB"
def cleanup(datastore_path): def cleanup(datastore_path):

67
changedetectionio/tests/test_automatic_follow_ldjson_price.py
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@ -81,7 +81,7 @@ def test_setup(client, live_server, measure_memory_usage):
# actually only really used by the distll.io importer, but could be handy too # actually only really used by the distll.io importer, but could be handy too
def test_check_ldjson_price_autodetect(client, live_server, measure_memory_usage): def test_check_ldjson_price_autodetect(client, live_server, measure_memory_usage):
#live_server_setup(live_server)
set_response_with_ldjson() set_response_with_ldjson()
# Add our URL to the import page # Add our URL to the import page
@ -160,7 +160,7 @@ def _test_runner_check_bad_format_ignored(live_server, client, has_ldjson_price_
for k,v in client.application.config.get('DATASTORE').data['watching'].items(): for k,v in client.application.config.get('DATASTORE').data['watching'].items():
assert v.get('last_error') == False assert v.get('last_error') == False
assert v.get('has_ldjson_price_data') == has_ldjson_price_data assert v.get('has_ldjson_price_data') == has_ldjson_price_data, f"Detected LDJSON data? should be {has_ldjson_price_data}"
########################################################################################## ##########################################################################################
@ -201,35 +201,38 @@ def test_bad_ldjson_is_correctly_ignored(client, live_server, measure_memory_usa
f.write(test_return_data) f.write(test_return_data)
_test_runner_check_bad_format_ignored(live_server=live_server, client=client, has_ldjson_price_data=True) _test_runner_check_bad_format_ignored(live_server=live_server, client=client, has_ldjson_price_data=True)
test_return_data = """
<html>
<head>
<script type="application/ld+json">
{
"@context": "http://schema.org",
"@type": ["Product", "SubType"],
"name": "My test product",
"description": "",
"BrokenOffers": {
"@type": "Offer",
"offeredBy": {
"@type": "Organization",
"name":"Person",
"telephone":"+1 999 999 999"
},
"price": "1",
"priceCurrency": "EUR",
"url": "/some/url"
}
}
</script>
</head>
<body>
<div class="yes">Some extra stuff</div>
</body></html>
"""
with open("test-datastore/endpoint-content.txt", "w") as f:
f.write(test_return_data)
_test_runner_check_bad_format_ignored(live_server=live_server, client=client, has_ldjson_price_data=False) # This is OK that it offers a suggestion in this case, the processor will let them know more about something wrong
# test_return_data = """
# <html>
# <head>
# <script type="application/ld+json">
# {
# "@context": "http://schema.org",
# "@type": ["Product", "SubType"],
# "name": "My test product",
# "description": "",
# "BrokenOffers": {
# "@type": "Offer",
# "offeredBy": {
# "@type": "Organization",
# "name":"Person",
# "telephone":"+1 999 999 999"
# },
# "price": "1",
# "priceCurrency": "EUR",
# "url": "/some/url"
# }
# }
# </script>
# </head>
# <body>
# <div class="yes">Some extra stuff</div>
# </body></html>
# """
# with open("test-datastore/endpoint-content.txt", "w") as f:
# f.write(test_return_data)
#
# _test_runner_check_bad_format_ignored(live_server=live_server, client=client, has_ldjson_price_data=False)

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