CODEWITHSUNDEEP
pythonfiddler
TomSelleck
TomSelleck

Reputation: 6968

Fiddler won't catch request to localhost

When I run my python code as normal:

batch_request = BatchHttpRequest(batch_uri = "http://localhost:12345/api/batch")

batch_request.add(get_customers)

batch_request.execute()

Fiddler doesn't pick up the request.

When I change batch_uri to localhost.fiddler, I get:

ServerNotFoundError: Unable to find the server at localhost.fiddler

Same for ipv4.fiddler

When I change batch_uri to my pc name, pc-21, I get:

<HttpError 400 when requesting http://pc-21:12345/api/batch returned "Bad Request">

I've tried adding the following rule to fiddler:

static function OnBeforeRequest(oSession:Fiddler.Session){
    if (oSession.HostnameIs("MYAPP")){
        oSession.host = "127.0.0.1:8081";
    }
}

Which also gives a server not found error.

And still none of these appear in fiddler.

Anybody have any ideas??

Edit

With EricLaw's suggestion, I got the following code working and captured by fiddler:

proxy = ProxyInfo(proxy_type=socks.PROXY_TYPE_HTTP_NO_TUNNEL, proxy_host='127.0.0.1', proxy_port=8888)

http = Http(proxy_info=proxy)

get_customers = HttpRequest(http, print_complete, "http://localhost:65200/api/Customers", method="GET", headers={"Content-Type": "application/http; msgtype=request"})

batch_request = BatchHttpRequest(batch_uri = "http://localhost:65200/api/batch")

batch_request.add(get_customers, callback=print_complete)

try:
    batch_request.execute()

except HttpError, e:

    print "{0}".format(e)

Upvotes: 0

Views: 945

Answers (1)

EricLaw
EricLaw

Reputation: 57085

Your Python code isn't configured to use Fiddler as a proxy, which is why the localhost.fiddler hostname isn't recognized. That virtual hostname only exists when a request is sent through Fiddler.

What HTTP object are you using from Python? You need to check its documentation for information on how to set its proxy to 127.0.0.1:8888. E.g. Proxy with urllib2

Upvotes: 2

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