Golang errors.Wrapf函数代码示例

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本文整理汇总了Golang中github.com/dropbox/godropbox/errors.Wrapf函数的典型用法代码示例。如果您正苦于以下问题：Golang Wrapf函数的具体用法？Golang Wrapf怎么用？Golang Wrapf使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了Wrapf函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的Golang代码示例。

示例1: extract

func (s *Source) extract() (err error) {
	var cmd *exec.Cmd

	if strings.HasSuffix(s.Path, ".tar") {
		cmd = exec.Command("tar", "--no-same-owner", "-xf", s.Path)
	} else if strings.HasSuffix(s.Path, ".zip") {
		cmd = exec.Command("unzip", s.Path)
	} else {
		split := strings.Split(s.Path, ".")
		if len(split) > 2 && split[len(split)-2] == "tar" {
			cmd = exec.Command("tar", "--no-same-owner", "-xf", s.Path)
		} else {
			return
		}
	}

	cmd.Dir = s.Output
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	err = cmd.Run()
	if err != nil {
		err = &GetError{
			errors.Wrapf(err, "builder: Failed to extract source '%s'",
				s.Source),
		}
		return
	}

	return
}

开发者ID:pacur，项目名称:pacur，代码行数:31，代码来源:source.go

示例2: Init

func (p *Project) Init() (err error) {
	p.MirrorRoot = filepath.Join(p.Root, "mirror")
	p.BuildRoot = filepath.Join(p.Root, "mirror.tmp")
	p.confPath = filepath.Join(p.Root, "pacur.json")

	exists, err := utils.Exists(p.confPath)
	if err != nil {
		return
	}

	if exists {
		dataByt, e := utils.ReadFile(p.confPath)
		if e != nil {
			err = e
			return
		}

		data := conf{}

		err = json.Unmarshal(dataByt, &data)
		if err != nil {
			err = &ParseError{
				errors.Wrapf(err,
					"project: Failed to parse project conf '%s'", p.confPath),
			}
			return
		}

		p.Name = data.Name
	} else {
		p.Name = "pacur"
	}

	return
}

开发者ID:pacur，项目名称:pacur，代码行数:35，代码来源:project.go

示例3: Page

func Page(q PageQuery) (*PageResponse, error) {

	if q.ID == 0 {
		return nil, errors.New("a page id is required")
	}

	resp, err := http.Get(q.urlString())
	if err != nil {
		return nil, errors.Wrap(err, "could not get http response")
	}
	defer resp.Body.Close()

	if resp.StatusCode != 200 {
		return nil, errors.Wrapf(errors.New(resp.Status), "StatusCode: %d; URL: %s", resp.StatusCode, q.urlString())
	}

	body, err := ioutil.ReadAll(resp.Body)
	if err != nil {
		return nil, errors.Wrap(err, "could not read http response body")
	}

	var response PageResponse
	if err := json.Unmarshal(body, &response); err != nil {
		return nil, errors.Wrap(err, "could not unmarshal http response")
	}

	return &response, nil

}

开发者ID:heindl，项目名称:eol，代码行数:29，代码来源:pages.go

示例4: Project

func Project() (err error) {
	path, err := os.Getwd()
	if err != nil {
		err = &FileError{
			errors.Wrapf(err, "cmd: Failed to get working directory"),
		}
		return
	}

	proj := &project.Project{
		Root: path,
	}
	err = proj.Init()
	if err != nil {
		return
	}

	cmd := flag.Arg(1)
	switch cmd {
	case "init":
		err = proj.InitProject()
	case "build":
		err = proj.Build(flag.Arg(2))
	case "repo":
		err = proj.Repo(flag.Arg(2))
	default:
		err = &UnknownCommand{
			errors.Newf("cmd: Unknown cmd '%s'", cmd),
		}
	}

	return
}

开发者ID:pacur，项目名称:pacur，代码行数:33，代码来源:project.go

示例5: ExecInput

func ExecInput(dir, input, name string, arg ...string) (err error) {
	cmd := exec.Command(name, arg...)
	cmd.Stdout = os.Stdout
	cmd.Stderr = os.Stderr

	stdin, err := cmd.StdinPipe()
	if err != nil {
		err = &ExecError{
			errors.Wrapf(err, "utils: Failed to get stdin in exec '%s'", name),
		}
		return
	}
	defer stdin.Close()

	if dir != "" {
		cmd.Dir = dir
	}

	err = cmd.Start()
	if err != nil {
		err = &ExecError{
			errors.Wrapf(err, "utils: Failed to exec '%s'", name),
		}
		return
	}

	_, err = io.WriteString(stdin, input)
	if err != nil {
		err = &ExecError{
			errors.Wrapf(err, "utils: Failed to write stdin in exec '%s'",
				name),
		}
		return
	}

	err = cmd.Wait()
	if err != nil {
		err = &ExecError{
			errors.Wrapf(err, "utils: Failed to exec '%s'", name),
		}
		return
	}

	return
}

开发者ID:pacur，项目名称:pacur，代码行数:45，代码来源:proc.go

示例6: connectionError

func (c *ShardedClient) connectionError(shard int, err error) error {
	if err == nil {
		return errors.Newf(
			"Connection unavailable for memcache shard %d", shard)
	}
	return errors.Wrapf(
		err,
		"Connection unavailable for memcache shard %d", shard)
}

开发者ID:pasin30055，项目名称:godropbox，代码行数:9，代码来源:sharded_client.go

示例7: request

func request(url string, tokens []string) ([]byte, error) {

	if len(tokens) == 0 {
		return nil, errors.New("a NOAA token is required to draw data from the API. Request one here: http://www.ncdc.noaa.gov/cdo-web/token.")
	}

	client := &http.Client{}

	req, err := http.NewRequest("GET", url, nil)
	if err != nil {
		return nil, errors.Wrapf(err, "could not build request for url[%s]", url)
	}

	req.Header.Set("token", tokens[0])

	response, err := client.Do(req)
	if err != nil {
		return nil, errors.Wrapf(err, "could not do request for url[%s]", url)
	}
	defer response.Body.Close()

	// "status" : "429", "message" : "This token has reached its temporary request limit of 1000 per day."
	// Rotate through tokens to try and find another.
	if response.StatusCode == 429 {

		if len(tokens) == 1 {
			return nil, errors.New("All NOAA API tokens have reached their request limit for today. Add more or come back tomorrow.")
		}

		tokens = tokens[1:]

		return request(url, tokens)

	}

	if response.StatusCode != 200 {
		return nil, errors.Newf("NOAA API response statusCode is %d", response.StatusCode)
	}

	return ioutil.ReadAll(response.Body)

}

开发者ID:heindl，项目名称:raincollector，代码行数:42，代码来源:request.go