X-Git-Url: https://git.rapsys.eu/youtubedl/blobdiff_plain/0652569e481a8cf0995a00635ef62143fa779add..432fd38466ba4fc2f31597488104ed0e729149a6:/README.md diff --git a/README.md b/README.md index ac54d7b..38db97c 100644 --- a/README.md +++ b/README.md @@ -9,6 +9,7 @@ youtube-dl - download videos from youtube.com or other video platforms - [VIDEO SELECTION](#video-selection) - [FAQ](#faq) - [DEVELOPER INSTRUCTIONS](#developer-instructions) +- [EMBEDDING YOUTUBE-DL](#embedding-youtube-dl) - [BUGS](#bugs) - [COPYRIGHT](#copyright) @@ -34,7 +35,7 @@ You can also use pip: sudo pip install youtube-dl -Alternatively, refer to the developer instructions below for how to check out and work with the git repository. For further options, including PGP signatures, see https://rg3.github.io/youtube-dl/download.html . +Alternatively, refer to the [developer instructions](#developer-instructions) for how to check out and work with the git repository. For further options, including PGP signatures, see https://rg3.github.io/youtube-dl/download.html . # DESCRIPTION **youtube-dl** is a small command-line program to download videos from @@ -48,110 +49,220 @@ which means you can modify it, redistribute it or use it however you like. # OPTIONS -h, --help Print this help text and exit --version Print program version and exit - -U, --update Update this program to latest version. Make sure that you have sufficient permissions (run with sudo if needed) - -i, --ignore-errors Continue on download errors, for example to skip unavailable videos in a playlist - --abort-on-error Abort downloading of further videos (in the playlist or the command line) if an error occurs + -U, --update Update this program to latest version. Make + sure that you have sufficient permissions + (run with sudo if needed) + -i, --ignore-errors Continue on download errors, for example to + skip unavailable videos in a playlist + --abort-on-error Abort downloading of further videos (in the + playlist or the command line) if an error + occurs --dump-user-agent Display the current browser identification --list-extractors List all supported extractors - --extractor-descriptions Output descriptions of all supported extractors - --force-generic-extractor Force extraction to use the generic extractor - --default-search PREFIX Use this prefix for unqualified URLs. For example "gvsearch2:" downloads two videos from google videos for youtube-dl "large apple". - Use the value "auto" to let youtube-dl guess ("auto_warning" to emit a warning when guessing). "error" just throws an error. The - default value "fixup_error" repairs broken URLs, but emits an error if this is not possible instead of searching. - --ignore-config Do not read configuration files. When given in the global configuration file /etc/youtube-dl.conf: Do not read the user configuration - in ~/.config/youtube-dl/config (%APPDATA%/youtube-dl/config.txt on Windows) - --flat-playlist Do not extract the videos of a playlist, only list them. + --extractor-descriptions Output descriptions of all supported + extractors + --force-generic-extractor Force extraction to use the generic + extractor + --default-search PREFIX Use this prefix for unqualified URLs. For + example "gvsearch2:" downloads two videos + from google videos for youtube-dl "large + apple". Use the value "auto" to let + youtube-dl guess ("auto_warning" to emit a + warning when guessing). "error" just throws + an error. The default value "fixup_error" + repairs broken URLs, but emits an error if + this is not possible instead of searching. + --ignore-config Do not read configuration files. When given + in the global configuration file /etc + /youtube-dl.conf: Do not read the user + configuration in ~/.config/youtube- + dl/config (%APPDATA%/youtube-dl/config.txt + on Windows) + --flat-playlist Do not extract the videos of a playlist, + only list them. --no-color Do not emit color codes in output ## Network Options: - --proxy URL Use the specified HTTP/HTTPS proxy. Pass in an empty string (--proxy "") for direct connection + --proxy URL Use the specified HTTP/HTTPS proxy. Pass in + an empty string (--proxy "") for direct + connection --socket-timeout SECONDS Time to wait before giving up, in seconds - --source-address IP Client-side IP address to bind to (experimental) - -4, --force-ipv4 Make all connections via IPv4 (experimental) - -6, --force-ipv6 Make all connections via IPv6 (experimental) - --cn-verification-proxy URL Use this proxy to verify the IP address for some Chinese sites. The default proxy specified by --proxy (or none, if the options is - not present) is used for the actual downloading. (experimental) + --source-address IP Client-side IP address to bind to + (experimental) + -4, --force-ipv4 Make all connections via IPv4 + (experimental) + -6, --force-ipv6 Make all connections via IPv6 + (experimental) + --cn-verification-proxy URL Use this proxy to verify the IP address for + some Chinese sites. The default proxy + specified by --proxy (or none, if the + options is not present) is used for the + actual downloading. (experimental) ## Video Selection: --playlist-start NUMBER Playlist video to start at (default is 1) --playlist-end NUMBER Playlist video to end at (default is last) - --playlist-items ITEM_SPEC Playlist video items to download. Specify indices of the videos in the playlist separated by commas like: "--playlist-items 1,2,5,8" - if you want to download videos indexed 1, 2, 5, 8 in the playlist. You can specify range: "--playlist-items 1-3,7,10-13", it will - download the videos at index 1, 2, 3, 7, 10, 11, 12 and 13. - --match-title REGEX Download only matching titles (regex or caseless sub-string) - --reject-title REGEX Skip download for matching titles (regex or caseless sub-string) + --playlist-items ITEM_SPEC Playlist video items to download. Specify + indices of the videos in the playlist + separated by commas like: "--playlist-items + 1,2,5,8" if you want to download videos + indexed 1, 2, 5, 8 in the playlist. You can + specify range: "--playlist-items + 1-3,7,10-13", it will download the videos + at index 1, 2, 3, 7, 10, 11, 12 and 13. + --match-title REGEX Download only matching titles (regex or + caseless sub-string) + --reject-title REGEX Skip download for matching titles (regex or + caseless sub-string) --max-downloads NUMBER Abort after downloading NUMBER files - --min-filesize SIZE Do not download any videos smaller than SIZE (e.g. 50k or 44.6m) - --max-filesize SIZE Do not download any videos larger than SIZE (e.g. 50k or 44.6m) + --min-filesize SIZE Do not download any videos smaller than + SIZE (e.g. 50k or 44.6m) + --max-filesize SIZE Do not download any videos larger than SIZE + (e.g. 50k or 44.6m) --date DATE Download only videos uploaded in this date - --datebefore DATE Download only videos uploaded on or before this date (i.e. inclusive) - --dateafter DATE Download only videos uploaded on or after this date (i.e. inclusive) - --min-views COUNT Do not download any videos with less than COUNT views - --max-views COUNT Do not download any videos with more than COUNT views - --match-filter FILTER Generic video filter (experimental). Specify any key (see help for -o for a list of available keys) to match if the key is present, - !key to check if the key is not present,key > NUMBER (like "comment_count > 12", also works with >=, <, <=, !=, =) to compare against - a number, and & to require multiple matches. Values which are not known are excluded unless you put a question mark (?) after the - operator.For example, to only match videos that have been liked more than 100 times and disliked less than 50 times (or the dislike - functionality is not available at the given service), but who also have a description, use --match-filter "like_count > 100 & + --datebefore DATE Download only videos uploaded on or before + this date (i.e. inclusive) + --dateafter DATE Download only videos uploaded on or after + this date (i.e. inclusive) + --min-views COUNT Do not download any videos with less than + COUNT views + --max-views COUNT Do not download any videos with more than + COUNT views + --match-filter FILTER Generic video filter (experimental). + Specify any key (see help for -o for a list + of available keys) to match if the key is + present, !key to check if the key is not + present,key > NUMBER (like "comment_count > + 12", also works with >=, <, <=, !=, =) to + compare against a number, and & to require + multiple matches. Values which are not + known are excluded unless you put a + question mark (?) after the operator.For + example, to only match videos that have + been liked more than 100 times and disliked + less than 50 times (or the dislike + functionality is not available at the given + service), but who also have a description, + use --match-filter "like_count > 100 & dislike_count \youtube-dl.conf`. +You can configure youtube-dl by placing any supported command line option to a configuration file. On Linux, the system wide configuration file is located at `/etc/youtube-dl.conf` and the user wide configuration file at `~/.config/youtube-dl/config`. On Windows, the user wide configuration file locations are `%APPDATA%\youtube-dl\config.txt` or `C:\Users\\youtube-dl.conf`. For example, with the following configuration file youtube-dl will always extract the audio, not copy the mtime and use a proxy: +``` +--extract-audio +--no-mtime +--proxy 127.0.0.1:3128 +``` + +You can use `--ignore-config` if you want to disable the configuration file for a particular youtube-dl run. ### Authentication with `.netrc` file ### -You may also want to configure automatic credentials storage for extractors that support authentication (by providing login and password with `--username` and `--password`) in order not to pass credentials as command line arguments on every youtube-dl execution and prevent tracking plain text passwords in shell command history. You can achieve this using [`.netrc` file](http://stackoverflow.com/tags/.netrc/info) on per extractor basis. For that you will need to create `.netrc` file in your `$HOME` and restrict permissions to read/write by you only: +You may also want to configure automatic credentials storage for extractors that support authentication (by providing login and password with `--username` and `--password`) in order not to pass credentials as command line arguments on every youtube-dl execution and prevent tracking plain text passwords in the shell command history. You can achieve this using a [`.netrc` file](http://stackoverflow.com/tags/.netrc/info) on per extractor basis. For that you will need to create a`.netrc` file in your `$HOME` and restrict permissions to read/write by you only: ``` touch $HOME/.netrc chmod a-rwx,u+rw $HOME/.netrc @@ -254,13 +429,13 @@ For example: machine youtube login myaccount@gmail.com password my_youtube_password machine twitch login my_twitch_account_name password my_twitch_password ``` -To activate authentication with `.netrc` file you should pass `--netrc` to youtube-dl or to place it in [configuration file](#configuration). +To activate authentication with the `.netrc` file you should pass `--netrc` to youtube-dl or place it in the [configuration file](#configuration). -On Windows you may also need to setup `%HOME%` environment variable manually. +On Windows you may also need to setup the `%HOME%` environment variable manually. # OUTPUT TEMPLATE -The `-o` option allows users to indicate a template for the output file names. The basic usage is not to set any template arguments when downloading a single file, like in `youtube-dl -o funny_video.flv "http://some/video"`. However, it may contain special sequences that will be replaced when downloading each video. The special sequences have the format `%(NAME)s`. To clarify, that is a percent symbol followed by a name in parenthesis, followed by a lowercase S. Allowed names are: +The `-o` option allows users to indicate a template for the output file names. The basic usage is not to set any template arguments when downloading a single file, like in `youtube-dl -o funny_video.flv "http://some/video"`. However, it may contain special sequences that will be replaced when downloading each video. The special sequences have the format `%(NAME)s`. To clarify, that is a percent symbol followed by a name in parentheses, followed by a lowercase S. Allowed names are: - `id`: The sequence will be replaced by the video identifier. - `url`: The sequence will be replaced by the video URL. @@ -270,8 +445,10 @@ The `-o` option allows users to indicate a template for the output file names. T - `ext`: The sequence will be replaced by the appropriate extension (like flv or mp4). - `epoch`: The sequence will be replaced by the Unix epoch when creating the file. - `autonumber`: The sequence will be replaced by a five-digit number that will be increased with each download, starting at zero. - - `playlist`: The name or the id of the playlist that contains the video. - - `playlist_index`: The index of the video in the playlist, a five-digit number. + - `playlist`: The sequence will be replaced by the name or the id of the playlist that contains the video. + - `playlist_index`: The sequence will be replaced by the index of the video in the playlist padded with leading zeros according to the total length of the playlist. + - `format_id`: The sequence will be replaced by the format code specified by `--format`. + - `duration`: The sequence will be replaced by the length of the video in seconds. The current default template is `%(title)s-%(id)s.%(ext)s`. @@ -286,18 +463,18 @@ youtube-dl_test_video_.mp4 # A simple file name # FORMAT SELECTION -By default youtube-dl tries to download the best quality, but sometimes you may want to download other format. +By default youtube-dl tries to download the best quality, but sometimes you may want to download in a different format. The simplest case is requesting a specific format, for example `-f 22`. You can get the list of available formats using `--list-formats`, you can also use a file extension (currently it supports aac, m4a, mp3, mp4, ogg, wav, webm) or the special names `best`, `bestvideo`, `bestaudio` and `worst`. -If you want to download multiple videos and they don't have the same formats available, you can specify the order of preference using slashes, as in `-f 22/17/18`. You can also filter the video results by putting a condition in brackets, as in `-f "best[height=720]"` (or `-f "[filesize>10M]"`). This works for filesize, height, width, tbr, abr, vbr, asr, and fps and the comparisons <, <=, >, >=, =, != and for ext, acodec, vcodec, container, and protocol and the comparisons =, != . Formats for which the value is not known are excluded unless you put a question mark (?) after the operator. You can combine format filters, so `-f "[height <=? 720][tbr>500]"` selects up to 720p videos (or videos where the height is not known) with a bitrate of at least 500 KBit/s. Use commas to download multiple formats, such as `-f 136/137/mp4/bestvideo,140/m4a/bestaudio`. You can merge the video and audio of two formats into a single file using `-f +` (requires ffmpeg or avconv), for example `-f bestvideo+bestaudio`. +If you want to download multiple videos and they don't have the same formats available, you can specify the order of preference using slashes, as in `-f 22/17/18`. You can also filter the video results by putting a condition in brackets, as in `-f "best[height=720]"` (or `-f "[filesize>10M]"`). This works for filesize, height, width, tbr, abr, vbr, asr, and fps and the comparisons <, <=, >, >=, =, != and for ext, acodec, vcodec, container, and protocol and the comparisons =, != . Formats for which the value is not known are excluded unless you put a question mark (?) after the operator. You can combine format filters, so `-f "[height <=? 720][tbr>500]"` selects up to 720p videos (or videos where the height is not known) with a bitrate of at least 500 KBit/s. Use commas to download multiple formats, such as `-f 136/137/mp4/bestvideo,140/m4a/bestaudio`. You can merge the video and audio of two formats into a single file using `-f +` (requires ffmpeg or avconv), for example `-f bestvideo+bestaudio`. Format selectors can also be grouped using parentheses, for example if you want to download the best mp4 and webm formats with a height lower than 480 you can use `-f '(mp4,webm)[height<480]'`. -Since the end of April 2015 and version 2015.04.26 youtube-dl uses `-f bestvideo+bestaudio/best` as default format selection (see #5447, #5456). If ffmpeg or avconv are installed this results in downloading `bestvideo` and `bestaudio` separately and muxing them together into a single file giving the best overall quality available. Otherwise it falls back to `best` and results in downloading best available quality served as a single file. `best` is also needed for videos that don't come from YouTube because they don't provide the audio and video in two different files. If you want to only download some dash formats (for example if you are not interested in getting videos with a resolution higher than 1080p), you can add `-f bestvideo[height<=?1080]+bestaudio/best` to your configuration file. Note that if you use youtube-dl to stream to `stdout` (and most likely to pipe it to your media player then), i.e. you explicitly specify output template as `-o -`, youtube-dl still uses `-f best` format selection in order to start content delivery immediately to your player and not to wait until `bestvideo` and `bestaudio` are downloaded and muxed. +Since the end of April 2015 and version 2015.04.26 youtube-dl uses `-f bestvideo+bestaudio/best` as default format selection (see #5447, #5456). If ffmpeg or avconv are installed this results in downloading `bestvideo` and `bestaudio` separately and muxing them together into a single file giving the best overall quality available. Otherwise it falls back to `best` and results in downloading the best available quality served as a single file. `best` is also needed for videos that don't come from YouTube because they don't provide the audio and video in two different files. If you want to only download some dash formats (for example if you are not interested in getting videos with a resolution higher than 1080p), you can add `-f bestvideo[height<=?1080]+bestaudio/best` to your configuration file. Note that if you use youtube-dl to stream to `stdout` (and most likely to pipe it to your media player then), i.e. you explicitly specify output template as `-o -`, youtube-dl still uses `-f best` format selection in order to start content delivery immediately to your player and not to wait until `bestvideo` and `bestaudio` are downloaded and muxed. -If you want to preserve the old format selection behavior (prior to youtube-dl 2015.04.26), i.e. you want to download best available quality media served as a single file, you should explicitly specify your choice with `-f best`. You may want to add it to the [configuration file](#configuration) in order not to type it every time you run youtube-dl. +If you want to preserve the old format selection behavior (prior to youtube-dl 2015.04.26), i.e. you want to download the best available quality media served as a single file, you should explicitly specify your choice with `-f best`. You may want to add it to the [configuration file](#configuration) in order not to type it every time you run youtube-dl. # VIDEO SELECTION -Videos can be filtered by their upload date using the options `--date`, `--datebefore` or `--dateafter`, they accept dates in two formats: +Videos can be filtered by their upload date using the options `--date`, `--datebefore` or `--dateafter`. They accept dates in two formats: - Absolute dates: Dates in the format `YYYYMMDD`. - Relative dates: Dates in the format `(now|today)[+-][0-9](day|week|month|year)(s)?` @@ -311,7 +488,7 @@ $ youtube-dl --dateafter now-6months # Download only the videos uploaded on January 1, 1970 $ youtube-dl --date 19700101 -$ # will only download the videos uploaded in the 200x decade +$ # Download only the videos uploaded in the 200x decade $ youtube-dl --dateafter 20000101 --datebefore 20091231 ``` @@ -323,7 +500,7 @@ If you've followed [our manual installation instructions](http://rg3.github.io/y If you have used pip, a simple `sudo pip install -U youtube-dl` is sufficient to update. -If you have installed youtube-dl using a package manager like *apt-get* or *yum*, use the standard system update mechanism to update. Note that distribution packages are often outdated. As a rule of thumb, youtube-dl releases at least once a month, and often weekly or even daily. Simply go to http://yt-dl.org/ to find out the current version. Unfortunately, there is nothing we youtube-dl developers can do if your distributions serves a really outdated version. You can (and should) complain to your distribution in their bugtracker or support forum. +If you have installed youtube-dl using a package manager like *apt-get* or *yum*, use the standard system update mechanism to update. Note that distribution packages are often outdated. As a rule of thumb, youtube-dl releases at least once a month, and often weekly or even daily. Simply go to http://yt-dl.org/ to find out the current version. Unfortunately, there is nothing we youtube-dl developers can do if your distribution serves a really outdated version. You can (and should) complain to your distribution in their bugtracker or support forum. As a last resort, you can also uninstall the version installed by your package manager and follow our manual installation instructions. For that, remove the distribution's package, with a line like @@ -349,7 +526,7 @@ If you have installed youtube-dl with a package manager, pip, setup.py or a tarb By default, youtube-dl intends to have the best options (incidentally, if you have a convincing case that these should be different, [please file an issue where you explain that](https://yt-dl.org/bug)). Therefore, it is unnecessary and sometimes harmful to copy long option strings from webpages. In particular, the only option out of `-citw` that is regularly useful is `-i`. -### Can you please put the -b option back? +### Can you please put the `-b` option back? Most people asking this question are not aware that youtube-dl now defaults to downloading the highest available quality as reported by YouTube, which will be 1080p or 720p in some cases, so you no longer need the `-b` option. For some specific videos, maybe YouTube does not report them to be available in a specific high quality format you're interested in. In that case, simply request it with the `-f` option and youtube-dl will try to download it. @@ -361,13 +538,13 @@ Apparently YouTube requires you to pass a CAPTCHA test if you download too much. Once the video is fully downloaded, use any video player, such as [vlc](http://www.videolan.org) or [mplayer](http://www.mplayerhq.hu/). -### I extracted a video URL with -g, but it does not play on another machine / in my webbrowser. +### I extracted a video URL with `-g`, but it does not play on another machine / in my webbrowser. It depends a lot on the service. In many cases, requests for the video (to download/play it) must come from the same IP address and with the same cookies. Use the `--cookies` option to write the required cookies into a file, and advise your downloader to read cookies from that file. Some sites also require a common user agent to be used, use `--dump-user-agent` to see the one in use by youtube-dl. It may be beneficial to use IPv6; in some cases, the restrictions are only applied to IPv4. Some services (sometimes only for a subset of videos) do not restrict the video URL by IP address, cookie, or user-agent, but these are the exception rather than the rule. -Please bear in mind that some URL protocols are **not** supported by browsers out of the box, including RTMP. If you are using -g, your own downloader must support these as well. +Please bear in mind that some URL protocols are **not** supported by browsers out of the box, including RTMP. If you are using `-g`, your own downloader must support these as well. If you want to play the video on a machine that is not running youtube-dl, you can relay the video content from the machine that runs youtube-dl. You can use `-o -` to let youtube-dl stream a video to stdout, or simply allow the player to download the files written by youtube-dl in turn. @@ -381,7 +558,7 @@ YouTube requires an additional signature since September 2012 which is not suppo ### Video URL contains an ampersand and I'm getting some strange output `[1] 2839` or `'v' is not recognized as an internal or external command` ### -That's actually the output from your shell. Since ampersand is one of the special shell characters it's interpreted by shell preventing you from passing the whole URL to youtube-dl. To disable your shell from interpreting the ampersands (or any other special characters) you have to either put the whole URL in quotes or escape them with a backslash (which approach will work depends on your shell). +That's actually the output from your shell. Since ampersand is one of the special shell characters it's interpreted by the shell preventing you from passing the whole URL to youtube-dl. To disable your shell from interpreting the ampersands (or any other special characters) you have to either put the whole URL in quotes or escape them with a backslash (which approach will work depends on your shell). For example if your URL is https://www.youtube.com/watch?t=4&v=BaW_jenozKc you should end up with following command: @@ -439,6 +616,12 @@ Either prepend `http://www.youtube.com/watch?v=` or separate the ID from the opt youtube-dl -- -wNyEUrxzFU youtube-dl "http://www.youtube.com/watch?v=-wNyEUrxzFU" +### How do I pass cookies to youtube-dl? + +Use the `--cookies` option, for example `--cookies /path/to/cookies/file.txt`. Note that the cookies file must be in Mozilla/Netscape format and the first line of the cookies file must be either `# HTTP Cookie File` or `# Netscape HTTP Cookie File`. Make sure you have correct [newline format](https://en.wikipedia.org/wiki/Newline) in the cookies file and convert newlines if necessary to correspond with your OS, namely `CRLF` (`\r\n`) for Windows, `LF` (`\n`) for Linux and `CR` (`\r`) for Mac OS. `HTTP Error 400: Bad Request` when using `--cookies` is a good sign of invalid newline format. + +Passing cookies to youtube-dl is a good way to workaround login when a particular extractor does not implement it explicitly. + ### Can you add support for this anime video site, or site which shows current movies for free? As a matter of policy (as well as legality), youtube-dl does not include support for services that specialize in infringing copyright. As a rule of thumb, if you cannot easily find a video that the service is quite obviously allowed to distribute (i.e. that has been uploaded by the creator, the creator's distributor, or is published under a free license), the service is probably unfit for inclusion to youtube-dl. @@ -527,18 +710,19 @@ If you want to add support for a new site, you can follow this quick list (assum webpage = self._download_webpage(url, video_id) # TODO more code goes here, for example ... - title = self._html_search_regex(r'

(.*?)

', webpage, 'title') + title = self._html_search_regex(r'

(.+?)

', webpage, 'title') return { 'id': video_id, 'title': title, 'description': self._og_search_description(webpage), + 'uploader': self._search_regex(r']+id="uploader"[^>]*>([^<]+)<', webpage, 'uploader', fatal=False), # TODO more properties (see youtube_dl/extractor/common.py) } ``` 5. Add an import in [`youtube_dl/extractor/__init__.py`](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/__init__.py). -6. Run `python test/test_download.py TestDownload.test_YourExtractor`. This *should fail* at first, but you can continually re-run it until you're done. If you decide to add more than one test, then rename ``_TEST`` to ``_TESTS`` and make it into a list of dictionaries. The tests will be then be named `TestDownload.test_YourExtractor`, `TestDownload.test_YourExtractor_1`, `TestDownload.test_YourExtractor_2`, etc. -7. Have a look at [`youtube_dl/common/extractor/common.py`](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/common.py) for possible helper methods and a [detailed description of what your extractor should return](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/common.py#L38). Add tests and code for as many as you want. +6. Run `python test/test_download.py TestDownload.test_YourExtractor`. This *should fail* at first, but you can continually re-run it until you're done. If you decide to add more than one test, then rename ``_TEST`` to ``_TESTS`` and make it into a list of dictionaries. The tests will then be named `TestDownload.test_YourExtractor`, `TestDownload.test_YourExtractor_1`, `TestDownload.test_YourExtractor_2`, etc. +7. Have a look at [`youtube_dl/extractor/common.py`](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/common.py) for possible helper methods and a [detailed description of what your extractor should and may return](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/extractor/common.py#L62-L200). Add tests and code for as many as you want. 8. If you can, check the code with [flake8](https://pypi.python.org/pypi/flake8). 9. When the tests pass, [add](http://git-scm.com/docs/git-add) the new files and [commit](http://git-scm.com/docs/git-commit) them and [push](http://git-scm.com/docs/git-push) the result, like this: @@ -566,7 +750,7 @@ with youtube_dl.YoutubeDL(ydl_opts) as ydl: ydl.download(['http://www.youtube.com/watch?v=BaW_jenozKc']) ``` -Most likely, you'll want to use various options. For a list of what can be done, have a look at [youtube_dl/YoutubeDL.py](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/YoutubeDL.py#L69). For a start, if you want to intercept youtube-dl's output, set a `logger` object. +Most likely, you'll want to use various options. For a list of what can be done, have a look at [youtube_dl/YoutubeDL.py](https://github.com/rg3/youtube-dl/blob/master/youtube_dl/YoutubeDL.py#L117-L265). For a start, if you want to intercept youtube-dl's output, set a `logger` object. Here's a more complete example of a program that outputs only errors (and a short message after the download is finished), and downloads/converts the video to an mp3 file: @@ -611,7 +795,7 @@ Bugs and suggestions should be reported at: log.txt 2>&1` to your command-line) or upload the `.dump` files you get when you add `--write-pages` [somewhere](https://gist.github.com/). +If your server has multiple IPs or you suspect censorship, adding `--call-home` may be a good idea to get more diagnostics. If the error is `ERROR: Unable to extract ...` and you cannot reproduce it from multiple countries, add `--dump-pages` (warning: this will yield a rather large output, redirect it to the file `log.txt` by adding `>log.txt 2>&1` to your command-line) or upload the `.dump` files you get when you add `--write-pages` [somewhere](https://gist.github.com/). **Site support requests must contain an example URL**. An example URL is a URL you might want to download, like http://www.youtube.com/watch?v=BaW_jenozKc . There should be an obvious video present. Except under very special circumstances, the main page of a video service (e.g. http://www.youtube.com/ ) is *not* an example URL. ### Are you using the latest version? -Before reporting any issue, type youtube-dl -U. This should report that you're up-to-date. About 20% of the reports we receive are already fixed, but people are using outdated versions. This goes for feature requests as well. +Before reporting any issue, type `youtube-dl -U`. This should report that you're up-to-date. About 20% of the reports we receive are already fixed, but people are using outdated versions. This goes for feature requests as well. ### Is the issue already documented?