Hi!
This is my first meeting with the Google Ads API and I'm attempting to
achieve labeling of ads in my Python application.
Case:
1. The app fetches all ads marked with a specific label (e.g. "LabelName":
"X") for a given *AccountA*->Campaign->Adgroup structure
2. A user agent clicks a button
3. On click, the app has to:
3a) Look for a label "Y"
3b) If one exists, get the ID of that label, if not, create a label "Y" and
get its ID
3c) Remove the label "X" from said ads
3d) Apply the label "Y" to said ads
So here's my problem:
I'm finding label "Y" (using LabelService), but in trying to add it to an
ad (using the AdGroupAdService),
I get this error:
[EntityNotFound.INVALID_ID @ operations[0].operand.labelId; trigger:'LabelId:
yyyyyyyyyy'] #Redacted id
I have but one theory as to why this happens:
The label "Y" doesn't exist for the *AccountA* in the structure, so it is
not available to link to these ads when looking at the adgroup in the
Google Ads GUI, but my
find_or_create(c, "Y") method still finds (doesn't create) a label "Y" and
returns its ID. I believe this label "Y" to be owned by *AccountB, *which
I'm also able to manage through my Google Ads user.
This is a slightly flawed theory, because find_or_create(c, "X") does finds
one label "X" every time, even though I have several labels "X" across
different accounts, and I'm able to remove the "X" label from the ads.
I know that the find_or_create() and add_label_to_ad() methods are able to
create a new label and link it to the ads of interest.
If I try to find_or_create() a label "Stupid Labels" and use it to label
the ads, it works. I believe this is because there exists no such label in
any other accounts,
so the methods are able to create and link it with no trouble of finding
the Entity.
*TLDR*:
How do I make sure that the label I'm finding belongs to the account
*(AccountA)* that owns the ads I want to change?
Which service/selector/predicate combination would I need to use?
Is there any way to find the Label IDs in the Google Ads GUI to verify my
finds?
Here's my code:
def find_or_create_label(client, label_name):
service = client.GetService("LabelService", version=API_VERSION)
selector = {
"fields": ["LabelId", "LabelName"],
"predicates": [
{"field": "LabelName", "operator": "EQUALS", "values": [
label_name]}
]
}
label = service.get(selector)
for entry in label.entries:
if entry["name"] == label_name:
return entry["id"]
operation = {
"operator": "ADD",
"operand": {"name": label_name, "xsi_type": "TextLabel"}
result = service.mutate(operation)
return result["value"][0].id
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