This is the Go implementation of the ua-parser
$ go get github.com/ua-parser/uap-go/uaparser
uap-core definitions are, by default, compiled and included in the Go portion of this package. To regenerate these definitions you can run the build.sh script.
$ cd uaparser
$ go test -v -cover
When adding new feature you can check for data race with go test -race, although this command will take more than 2 minutes to execute since the -race flag adds some instrumentation on all regex matches
So a quicker way to test data race on the main *parser.Parse method can be:
$ go test -race -run=Concurrency # filter to execute `TestGenericParseMethodConcurrency` only
If needed, you can run benchmark on your latest feature to be compared (using benchcmp) against the current performance
$ cd uaparser
$ git checkout master
$ go test -bench=. -run=none > ~/old.benchmark
$ git checkout my_latest_feature
$ go test -bench=. -run=none > ~/new.benchmark
$ benchcmp ~/old.benchmark ~/new.benchmark
package main
import (
"fmt"
"log"
"github.com/ua-parser/uap-go/uaparser"
)
func main() {
uagent := "Mozilla/5.0 (Macintosh; U; Intel Mac OS X 10_6_3; en-us; Silk/1.1.0-80) AppleWebKit/533.16 (KHTML, like Gecko) Version/5.0 Safari/533.16 Silk-Accelerated=true"
parser, err := uaparser.New("./regexes.yaml")
if err != nil {
log.Fatal(err)
}
client := parser.Parse(uagent)
fmt.Println(client.UserAgent.Family) // "Amazon Silk"
fmt.Println(client.UserAgent.Major) // "1"
fmt.Println(client.UserAgent.Minor) // "1"
fmt.Println(client.UserAgent.Patch) // "0-80"
fmt.Println(client.Os.Family) // "Android"
fmt.Println(client.Os.Major) // ""
fmt.Println(client.Os.Minor) // ""
fmt.Println(client.Os.Patch) // ""
fmt.Println(client.Os.PatchMinor) // ""
fmt.Println(client.Device.Family) // "Kindle Fire"
}
(Based on the Java implementation by Steve Jiang and using agent data from BrowserScope)
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