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Use cursor based pagination

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This commit is contained in:
Helio Machado
2025-11-17 02:09:29 +01:00
committed by GitHub
parent 72d35a9b94
commit 7551829677
1 changed files with 40 additions and 29 deletions
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69
github_backup/github_backup.py
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@@ -592,27 +592,26 @@ def retrieve_data_gen(args, template, query_args=None, single_request=False):
auth = get_auth(args, encode=not args.as_app)
query_args = get_query_args(query_args)
per_page = 100
page = 0
next_url = None
while True:
if single_request:
request_page, request_per_page = None, None
request_per_page = None
else:
page = page + 1
request_page, request_per_page = page, per_page
request_per_page = per_page
request = _construct_request(
request_per_page,
request_page,
query_args,
template,
next_url or template,
auth,
as_app=args.as_app,
fine=True if args.token_fine is not None else False,
) # noqa
r, errors = _get_response(request, auth, template)
r, errors = _get_response(request, auth, next_url or template)
status_code = int(r.getcode())
# Check if we got correct data
try:
response = json.loads(r.read().decode("utf-8"))
@@ -644,15 +643,14 @@ def retrieve_data_gen(args, template, query_args=None, single_request=False):
retries += 1
time.sleep(5)
request = _construct_request(
per_page,
page,
request_per_page,
query_args,
template,
next_url or template,
auth,
as_app=args.as_app,
fine=True if args.token_fine is not None else False,
) # noqa
r, errors = _get_response(request, auth, template)
r, errors = _get_response(request, auth, next_url or template)
status_code = int(r.getcode())
try:
@@ -682,7 +680,16 @@ def retrieve_data_gen(args, template, query_args=None, single_request=False):
if type(response) is list:
for resp in response:
yield resp
if len(response) < per_page:
# Parse Link header for next page URL (cursor-based pagination)
link_header = r.headers.get("Link", "")
next_url = None
if link_header:
# Parse Link header: <https://api.github.com/...?per_page=100&after=cursor>; rel="next"
for link in link_header.split(","):
if 'rel="next"' in link:
next_url = link[link.find("<") + 1:link.find(">")]
break
if not next_url:
break
elif type(response) is dict and single_request:
yield response
@@ -735,22 +742,27 @@ def _get_response(request, auth, template):
def _construct_request(
per_page, page, query_args, template, auth, as_app=None, fine=False
per_page, query_args, template, auth, as_app=None, fine=False
):
all_query_args = {}
if per_page:
all_query_args["per_page"] = per_page
if page:
all_query_args["page"] = page
if query_args:
all_query_args.update(query_args)
request_url = template
if all_query_args:
querystring = urlencode(all_query_args)
request_url = template + "?" + querystring
# If template is already a full URL with query params (from Link header), use it directly
if "?" in template and template.startswith("http"):
request_url = template
# Extract query string for logging
querystring = template.split("?", 1)[1]
else:
querystring = ""
# Build URL with query parameters
all_query_args = {}
if per_page:
all_query_args["per_page"] = per_page
if query_args:
all_query_args.update(query_args)
request_url = template
if all_query_args:
querystring = urlencode(all_query_args)
request_url = template + "?" + querystring
else:
querystring = ""
request = Request(request_url)
if auth is not None:
@@ -766,7 +778,7 @@ def _construct_request(
"Accept", "application/vnd.github.machine-man-preview+json"
)
log_url = template
log_url = template if "?" not in template else template.split("?")[0]
if querystring:
log_url += "?" + querystring
logger.info("Requesting {}".format(log_url))
@@ -843,8 +855,7 @@ def download_file(url, path, auth, as_app=False, fine=False):
return
request = _construct_request(
per_page=100,
page=1,
per_page=None,
query_args={},
template=url,
auth=auth,