<commit_before>package youtube

import (
	"errors"
	"fmt"
	"io"
	"io/ioutil"
	"log"
	"net/http"
	"net/url"
	"os"
	"regexp"
	"strings"
)

func NewYoutube() *Youtube {
	return new(Youtube)
}

type stream map[string]string

type Youtube struct {
	StreamList []stream
	videoID    string
	videoInfo  string
}

func (y *Youtube) DecodeURL(url string) error {
	err := y.findVideoId(url)
	if err != nil {
		return fmt.Errorf("findvideoID error=%s", err)
	}

	err = y.getVideoInfo()
	if err != nil {
		return fmt.Errorf("getVideoInfo error=%s", err)
	}

	err = y.parseVideoInfo()
	if err != nil {
		return fmt.Errorf("parse video info failed, err=%s", err)
	}
<commit_msg> function to set default log output destination<commit_after>package youtube

import (
	"errors"
	"fmt"
	"io"
	"io/ioutil"
	"log"
	"net/http"
	"net/url"
	"os"
	"regexp"
	"strings"
)

func setLogOutput(w io.Writer) {
	log.SetOutput(w)
}

func NewYoutube() *Youtube {
	return new(Youtube)
}

type stream map[string]string

type Youtube struct {
	StreamList []stream
	videoID    string
	videoInfo  string
}

func (y *Youtube) DecodeURL(url string) error {
	err := y.findVideoId(url)
	if err != nil {
		return fmt.Errorf("findvideoID error=%s", err)
	}

	err = y.getVideoInfo()
	if err != nil {
		return fmt.Errorf("getVideoInfo error=%s", err)
	}

	err = y.parseVideoInfo()
	if err != nil {
		return fmt.Errorf("parse video info failed, err=%s", err)
	}

{'fraction_non_alphanumeric': 0.14285714285714285, 'fraction_numerical': 0.0, 'mean_word_length': 3.9475524475524475, 'pattern_counts': {'":': 0, '<': 3, '<?xml version=': 0, '>': 3, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '2671350', 'n_tokens_mistral': 581, 'n_tokens_neox': 554, 'n_words': 143}