Documentation update
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README.md
61
README.md
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@ -2,11 +2,6 @@
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`go-cmw` is a [cmw](https://gitlab.com/elazkani/cmw) rewrite in [Go](https://golang.org/).
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# Reason
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This project is a journey of learning Golang.
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If you would like to make an MR, please go right ahead, it would be a good learning process for me.
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# Usage
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`go-cmw` features a good command-line interface thanks to `kingpin.v2`.
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@ -19,33 +14,35 @@ A small terminal wrapper around the wttr.in weather endpoint.
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Flags:
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--help Show context-sensitive help (also try --help-long and --help-man).
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-L, --location=LOCATION Specify explicite location (--expert-mode)
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-l, --language=LANGUAGE Specify explicite language (--expert-mode)
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--v2 Display Data-Rich output
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-m, --metric Display weather in metric
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-u, --uscs Display weather in imperial
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-M, --meter-second Display wind in m/s
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-z, --zero Show the weather now
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-o, --one Show the weather for one day
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-w, --two Show the weather for two days
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-A, --ignore-user-agent Request ignoring the user agent
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-F, --follow-link Follow link redirect
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-n, --narrow Display weather in narrow view
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-q, --quiet Add the quiet flag
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-Q, --super-quiet Add the super quiet flag
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-N, --no-colors Disable displaying colors (always enabled on windows
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-p, --add-frame Add a frame to the output
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-T, --mid-transparency Enable mid-transparency (PNG only)
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-z, --zero Display current weather
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-o, --one Display current weather + 1 day
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-w, --two Display current weather + 2 days
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-A, --ignore-user-agent Ignore User-Agent and force ANSI output
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-F, --follow-link Do not display the 'Follow' line
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-n, --narrow Display narrow view (only day/night)
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-q, --quiet Display quiet version (no weather report)
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-Q, --super-quiet Display super quiet version (no weather report and no city)
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-N, --no-colors Display no colors (always enabled on windows
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-P, --png Download a weather PNG image
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--v2 Use the v2 endpoint
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-t, --transparency=0 Set transparency level (0-100) (PNG only)
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-f, --format=FORMAT Query format (overrides everything else)
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-L, --location=LOCATION Specify explicite location
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-l, --language=LANGUAGE Specify explicite language
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-p, --add-frame Add a frame to the output (PNG only)
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-t, --transparency=0 Set transparency level (0-255) (PNG only) (--expert-mode)
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-d, --download Enables download mode (--expert-mode)
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--file-name="" Name download file (--expert-mode)
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-O, --one-liner One liner outpet (for the terminal multiplexer lovers out there)
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--extra-information Print extra information
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--format=FORMAT Specify a format query (e.g. "%l:+%c+%t") (--expert-mode)
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--free-style=FREE-STYLE Specify a free-style API call (--expert-mode)
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--expert-mode Print expert mode information
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--version Show application version.
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```
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On top of the following command-line flags, `go-cmw` can also take advantage of environment variables.
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`go-cmw` can take advantage of `GO_CMW_FORMAT`, `GO_CMW_LOCATION` and `GO_CMW_LANGUAGE` environment variables if set.
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On top of the following command-line flags, `go-cmw` can also take advantage of environment variables `--expert-mode`.
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```console
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$ go-cmw --zero
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@ -74,3 +71,19 @@ set -g status-interval 1800
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WEATHER='#(go-cmw --one-liner)'
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set -g status-right '... $WEATHER ...'
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```
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# Expert Mode
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The commands labeled `--expert-mode` have special functionality attached to them.
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Some of them can be used as environment variables while others override `go-cmw`
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default functionality to provide the user with more flexible interface.
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For more information about commands labeled `--expert-mode`
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```console
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$ go-cmw --expert-mode
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```
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# Reason
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This project is a journey of learning Golang.
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If you would like to make an MR, please go right ahead, it would be a good learning process for me.
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18
main.go
18
main.go
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@ -89,7 +89,7 @@ func (w weather) download(resp *http.Response) {
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f, err := os.Create(fName)
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if err != nil {
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log.Fatal(err)
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log.Fatal("Error opening file. ", err)
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}
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defer f.Close()
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@ -163,8 +163,8 @@ func generateParamFormat() (string, bool, error) {
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// Defining the command-line interface
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var (
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app = kingpin.New("go-cmw", "A small terminal wrapper around the wttr.in weather endpoint.")
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location = app.Flag("location", "Specify explicite location").Short('L').OverrideDefaultFromEnvar("GO_CMW_LOCATION").String()
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language = app.Flag("language", "Specify explicite language").Short('l').OverrideDefaultFromEnvar("GO_CMW_LANGUAGE").String()
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location = app.Flag("location", "Specify explicite location (--expert-mode)").Short('L').OverrideDefaultFromEnvar("GO_CMW_LOCATION").String()
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language = app.Flag("language", "Specify explicite language (--expert-mode)").Short('l').OverrideDefaultFromEnvar("GO_CMW_LANGUAGE").String()
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v2 = app.Flag("v2", "Display Data-Rich output").Default("false").Bool()
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switches = [13]*bool{
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app.Flag("metric", "Display weather in metric").Short('m').Default("false").Bool(),
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@ -182,9 +182,9 @@ var (
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png = app.Flag("png", "Download a weather PNG image").Short('P').Default("false").Bool()
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addFrame = app.Flag("add-frame", "Add a frame to the output (PNG only)").Short('p').Default("false").Bool()
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transparency = app.Flag("transparency", "Set transparency level (0-255) (PNG only)").OverrideDefaultFromEnvar("GO_CMW_TRANSPARENCY").Short('t').Default("0").Int()
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download = app.Flag("download", "Enables download mode").Short('d').Default("false").Bool()
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fileName = app.Flag("file-name", "Name download file").OverrideDefaultFromEnvar("GO_CMW_FILE_NAME").Default("").String()
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transparency = app.Flag("transparency", "Set transparency level (0-255) (PNG only) (--expert-mode)").OverrideDefaultFromEnvar("GO_CMW_TRANSPARENCY").Short('t').Default("0").Int()
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download = app.Flag("download", "Enables download mode (--expert-mode)").Short('d').Default("false").Bool()
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fileName = app.Flag("file-name", "Name download file (--expert-mode)").OverrideDefaultFromEnvar("GO_CMW_FILE_NAME").Default("").String()
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oneLiner = app.Flag("one-liner", "One liner outpet (for the terminal multiplexer lovers out there)").Short('O').Default("false").Bool()
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format = app.Flag("format", "Specify a format query (e.g. \"%l:+%c+%t\") (--expert-mode)").OverrideDefaultFromEnvar("GO_CMW_FORMAT").String()
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freeStyle = app.Flag("free-style", "Specify a free-style API call (--expert-mode)").OverrideDefaultFromEnvar("GO_CMW_FREE_STYLE").String()
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@ -260,7 +260,7 @@ Supported: af be ca da de el et fr fa hu id it
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}
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// Create a function to parse all the command line parameters
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// provided and save them in the parameter struct.
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// provided.
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func flagParser() {
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app.Version(VERSION)
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@ -273,9 +273,9 @@ func flagParser() {
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os.Exit(0)
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}
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// Windows does not have color encoding
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// Windows terminal does not have color encoding
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// so let's make sure windows users are happy
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if os.Getenv("TERM") == "" && !*png {
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if os.Getenv("TERM") == "" && !*png && *format != "" && *freeStyle != "" {
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*switches[11] = true
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}
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}
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