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Add a function to get_url_json_unlimited to retrieve the total

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The blueprints/changes API is a bit different from the others, the total
that it includes is for each blueprint, not one total for all of them,
since there will be a different number of commits for each.

The function is passed the dict, and it can be used to select the total
to use for retrieving all of the results. If it isn't included it will
use data["total"] which works fine in most cases.

(cherry picked from commit 0a76d635ca)
This commit is contained in:
Brian C. Lane 2018-08-23 15:29:26 -07:00
parent 7773be2bda
commit 187cd935df
1 changed files with 10 additions and 2 deletions
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12
src/composer/http_client.py
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@ -93,7 +93,7 @@ def get_url_json(socket_path, url):
r = http.request("GET", url) r = http.request("GET", url)
return json.loads(r.data.decode('utf-8')) return json.loads(r.data.decode('utf-8'))
def get_url_json_unlimited(socket_path, url): def get_url_json_unlimited(socket_path, url, total_fn=None):
"""Return the JSON results of a GET request """Return the JSON results of a GET request
For URLs that use offset/limit arguments, this command will For URLs that use offset/limit arguments, this command will
@ -106,6 +106,10 @@ def get_url_json_unlimited(socket_path, url):
:returns: The json response from the server :returns: The json response from the server
:rtype: dict :rtype: dict
""" """
def default_total_fn(data):
"""Return the total number of available results"""
return data["total"]
http = UnixHTTPConnectionPool(socket_path) http = UnixHTTPConnectionPool(socket_path)
# Start with limit=0 to just get the number of objects # Start with limit=0 to just get the number of objects
@ -113,8 +117,12 @@ def get_url_json_unlimited(socket_path, url):
r_total = http.request("GET", total_url) r_total = http.request("GET", total_url)
json_total = json.loads(r_total.data.decode('utf-8')) json_total = json.loads(r_total.data.decode('utf-8'))
# Where to get the total from
if not total_fn:
total_fn = default_total_fn
# Add the "total" returned by limit=0 as the new limit # Add the "total" returned by limit=0 as the new limit
unlimited_url = append_query(url, "limit=%d" % json_total["total"]) unlimited_url = append_query(url, "limit=%d" % total_fn(json_total))
r_unlimited = http.request("GET", unlimited_url) r_unlimited = http.request("GET", unlimited_url)
return json.loads(r_unlimited.data.decode('utf-8')) return json.loads(r_unlimited.data.decode('utf-8'))