Difference between revisions of "Yahoo! Groups"

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{{Infobox project
{{Infobox project
| title = Yahoo! Groups
| title = Yahoo! Groups
| url = http://groups.yahoo.com/
| url = https://groups.yahoo.com/
| image = groups-yahoo-com.png
| image = groups-yahoo-com.png
| logo = yahoo-groups-logo.png
| logo = yahoo-groups-logo.png
| project_status = {{closing}}
| project_status = {{closing}}
| archiving_status = {{inprogress}}
| archiving_status = {{inprogress}}
| tracker = [https://tracker.archiveteam.org/yahoogroups/ yahoogroups]
| irc = yahoosucks
| irc = yahoosucks
}}
}}
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'''Yahoo! Groups''' is Yahoo's combination mailing list service/web forum; it's the result of the acquisition of eGroups and some other Yahoo! stuff. In addition to archives of and a web interface for mailing lists, it offers file uploads, photo uploads, links, polls, and an events calendar.
'''Yahoo! Groups''' is Yahoo's combination mailing list service/web forum; it's the result of the acquisition of eGroups and some other Yahoo! stuff. In addition to archives of and a web interface for mailing lists, it offers file uploads, photo uploads, links, polls, and an events calendar.


Uploading of new content will be disabled 28 October 2019, and all content, including message history, will be deleted 14 December 2019.<ref>https://help.yahoo.com/kb/groups/SLN31010.html</ref> (The mailing lists themselves will continue to function.)
Uploading of new content was disabled 28 October 2019, and all content, including message history, will be deleted 14 December 2019.<ref>https://help.yahoo.com/kb/groups/SLN31010.html</ref> (The mailing lists themselves will continue to function.)


It's been stable for a long time (since the late 90s), long enough for some specialised software to be developed to do backups of it. (Not many other websites can say ''that''.)
It's been stable for a long time (since the late 90s), long enough for some specialised software to be developed to do backups of it. (Not many other websites can say ''that''.)
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Please make sure that when you invite the Archive Team account, you do '''not''' select the ''Add only to mailing list'' option, as this will prevent Archive Team from archiving the group.
Please make sure that when you invite the Archive Team account, you do '''not''' select the ''Add only to mailing list'' option, as this will prevent Archive Team from archiving the group.
== Statistics ==
== Statistics ==


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===Groups===
===Groups===
* https://groups.yahoo.com/api/v1/search/groups (search)
* https://groups.yahoo.com/api/v1/search/groups (search)
:- Known params: maxHits, offset, query, sortBy (one of OLDEST, RELEVANCE, MEMBERS, LATEST_ACTIVITY, NEWEST).
:- Known params: maxHits, offset, query, sortBy (values: OLDEST, RELEVANCE, MEMBERS, LATEST_ACTIVITY, NEWEST)


* https://groups.yahoo.com/api/v1/dir/categories/0/ (list of subcategories and discoverable groups under the root)
* https://groups.yahoo.com/api/v1/dir/categories/0/ (list of subcategories and discoverable groups under the root)
:- Known params: start (result index, not group id).
:- Known params: start, intlCode (au, in, sg, uk, us; ar, e1, es, mx; br; cf, fr; de; hk; it...)
:- Pagination: Limited to 10. Does ''not'' have a count param. May be limited to 500 total results regardless of start param.
:- Pagination: Page size is 10. Does ''not'' have a count param. start is the result index, not the group id. start values 500 and up all return the same set of results.
: Groups in subcategories can be listed by swapping '0' for the subcategory id (the full idList is not required). There is a /1/ with a small number of groups.
: Groups are listed in fixed but arbitrary order. /0/ is a special value that shows the root node; subcategories can be accessed by using the subcategory id instead (the full "idList" value is not required).  
: Defaults to the US view of the English directory tree. Different languages have different directory trees. Supplying a different intlCode parameter (list not exhaustive, must be lower case) accesses the corresponding view of the appropriate language's tree. Subcategory ids are language-specific and must be used with an appropriate intlCode. The intlCode -> language mapping may be checked at the /0/ endpoint; the root "name" is always "ROOT", but "id" is language-specific.<ref>This id can also be accessed with an appropriate intlCode, but contains the same twelve groups for all languages: the groups in the categories for musical artists "Roots, The" and "Rusted Root", three groups which appear to be Yahoo tests, and one group which appears to be a spam test.</ref> Different intlCode views of the same language list groups in a different order, may have slightly different category names, and appear to have slightly different numbers of categories in the full tree; their group overlap is about 99%.
: The "count" field appears totally inaccurate.


* https://groups.yahoo.com/api/v1/groups/concatenative/ (specific group information)
* https://groups.yahoo.com/api/v1/groups/concatenative/ (specific group information)
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* https://groups.yahoo.com/api/v1/groups/concatenative/messages (list)
* https://groups.yahoo.com/api/v1/groups/concatenative/messages (list)
:- Known params: count, start (message id, not result index), sortOrder (asc or desc), direction (1 or -1)
:- Known params: count, start, sortOrder (ASC, DESC), direction (1, -1)
:- Pagination: Limited to 10 by default. No known limit on count or total results. sortOrder adjusts order of results in returned json array. direction determines which way to iterate through ids from start.
:- Pagination: Page size defaults to 10, with no known limit. start is the message id, not the result index. sortOrder adjusts the order of results in the json response's array, whereas direction determines which way to iterate through ids from start (default: DESC, -1).


* https://groups.yahoo.com/api/v1/groups/concatenative/messages/1/ (specific message)
* https://groups.yahoo.com/api/v1/groups/concatenative/messages/1/ (specific message)
* https://groups.yahoo.com/api/v1/groups/concatenative/messages/1/raw (specific message, raw content including headers)
* https://groups.yahoo.com/api/v1/groups/concatenative/messages/1/raw (specific message, raw content including headers)
: Some messages may have encoding issues.<ref>https://yahoo.uservoice.com/forums/209451-us-groups/suggestions/9644478-displaying-raw-messages-is-not-8-bit-clean</ref> Sometimes (as in the linked case) the non-raw endpoint has the correct characters, sometimes it does not; this is likely related to the originating email client.
: Some messages may have encoding issues.<ref>https://yahoo.uservoice.com/forums/209451-us-groups/suggestions/9644478-displaying-raw-messages-is-not-8-bit-clean</ref> Sometimes (as in the linked case) the non-raw endpoint has the correct characters, sometimes it does not; this is likely related to the originating email client.
* https://groups.yahoo.com/api/v1/groups/concatenative/history (calendar summary)
:- Known params: ts, tz, chrome
:- Redundancy: Generatable from /messages data.


===Topics===
===Topics===
* https://groups.yahoo.com/api/v1/groups/concatenative/topics (list)
* https://groups.yahoo.com/api/v1/groups/concatenative/topics (list)
:- Known params: count.
:- Known params: count, startTopicId, sortOrder (ASC, DESC), direction (1, -1)
:- Pagination: Page size defaults to 25, with a limit of 100. sortOrder and direction as for messages.


* https://groups.yahoo.com/api/v1/groups/concatenative/topics/1 (specific topic)
* https://groups.yahoo.com/api/v1/groups/concatenative/topics/1 (specific topic)
:- Known params: maxResults.
:- Pagination: Page size defaults to 30 (messages in topic), with no known limit (maximum tested: 57). No known start param.
:- Redundancy: Generatable from /messages data.
: "messages" field is an array, each element of which seems to have the same contents as the corresponding /message/<id>/ (non-raw) endpoint; metadata ("totalMsgInTopic", "prevTopicId", "nextTopicId") could be reconstructed. Not known whether a message can fail to be associated with any topic.


===Attachments===
===Attachments===
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/attachments (list)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/attachments (list)
:- Known params: count, start, sort (values: TITLE, TIME), order (values: ASC, DESC)
:- Known params: count, start, sort (TITLE, TIME), order (ASC, DESC)
:- Pagination: Limited to 20 by default. Upper limit tested to 93
:- Pagination: Page size defaults to 20, with no known limit (maximum tested: 93).


* https://groups.yahoo.com/api/v1/groups/<groupname>/attachments/<attachmentId> (specific attachment)
* https://groups.yahoo.com/api/v1/groups/<groupname>/attachments/<attachmentId> (specific attachment)
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===Files===
===Files===
* https://groups.yahoo.com/api/v2/groups/a_furrys_world/files (list)
* https://groups.yahoo.com/api/v2/groups/a_furrys_world/files (list)
: What do we know about folders and folder contents (for files, photos, links, and possibly attachments)?
:- Known params: sfpath (pass in a pathURI to retrieve the file listings of this subdirectory)
:- Known params: sfpath (pass in a pathURI to retrieve the file listings of this subdirectory)
:- File type 0 are files, type 1 are directories
:- Pagination: None.
:- No pagination (at least >100 files listed)
: Entries with "type" 0 are files; 1, directories.


===Photos===
===Photos===
* https://groups.yahoo.com/api/v3/groups/a_furrys_world/photos (list of photos)
* https://groups.yahoo.com/api/v3/groups/a_furrys_world/photos (list of photos)
:- Observed parameters: start, count, orderBy (values: mtime), sortOrder (values: desc, asc), ownedByMe (true/false), lastFetchTime, photoFilter (values: ALL, PHOTOS_WITH_EXIF "Originals", PHOTOS_WITHOUT_EXIF "Shared")
:- Known params: count, start, orderBy (MTIME), sortOrder (ASC, DESC), ownedByMe (TRUE, FALSE), lastFetchTime, photoFilter (ALL, PHOTOS_WITH_EXIF "Originals", PHOTOS_WITHOUT_EXIF "Shared")
:- No observed pagination limit, default is 20
:- Pagination: Page size defaults to 20, with no known limit.
:- totalPhotos result field gives total in group
: "totalPhotos" field in response gives total in group.


* https://groups.yahoo.com/api/v3/groups/a_furrys_world/albums (list of albums)
* https://groups.yahoo.com/api/v3/groups/a_furrys_world/albums (list of albums)
:- Observed parameters: albumType (values: photomatic, normal), orderBy (values: mtime, title), sortOrder (values: desc,
:- Known params: count, start, albumType (PHOTOMATIC, NORMAL), orderBy (MTIME, TITLE), sortOrder (ASC, DESC)
asc), count, start
:- Pagination: Page size defaults to 12, with no known limit.
:- No observed pagination limit, default is 12
: albumType defaults to NORMAL. PHOTOMATIC albumType requires the "READ" permission for "ATTACHMENTS". "total" field in response gives total number of albums of the selected type in group; however, this seems to have an off-by-one error for the NORMAL type of albums.
:- total result field gives total numbers of albums of the selected type in group, however this seems to have an off-by-one error for the normal type of albums
:- Default albumType is normal
:- photomatic albumType requires the READ permission for ATTACHMENTS


* https://groups.yahoo.com/api/v3/groups/a_furrys_world/albums/1841906391 (specific album)
* https://groups.yahoo.com/api/v3/groups/a_furrys_world/albums/1841906391 (specific album)
:- Observed parameters similar to photos and albums endpoints, with additional ordinal sortOrder option
:- Observed parameters similar to photos and albums endpoints, with additional ordinal sortOrder option
:- Photomatic albums MUST be loaded with the albumType=photomatic parameter
: Photomatic albums ''must'' be loaded with the albumType parameter set to PHOTOMATIC.


===Links===
===Links===
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/links (list)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/links (list)
:- Known params: linkdir
:- Known params: linkdir
:- No pagination
:- Pagination: None.
:- linkdir takes the folder parameter from a dir. Nested folders should be joined with '/'. You need to keep track of the path to a given folder yourself (eg, linkdir + '/' + folder)
: linkdir takes the folder parameter from a dir. Nested folders should be joined with '/'. You need to keep track of the path to a given folder yourself (eg, linkdir + '/' + folder).


===Polls===
===Polls===
* https://groups.yahoo.com/api/v1/groups/relationship-poll/polls (list)
* https://groups.yahoo.com/api/v1/groups/relationship-poll/polls (list)
:- Known params: count, start
:- Known params: count, start
:- Default pagination count is 10, limit unknown, no total count returned
:- Pagination: Page size defaults to 10, with no known limit. There is no "total" field in the response.


* https://groups.yahoo.com/api/v1/groups/a_furrys_world/polls/3549106 (specific poll)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/polls/3549106 (specific poll)
:- Polls return all votes cast, non-anonymised, includes identifying metadata for all viewers
: Polls return all votes cast, non-anonymised, including identifying metadata for all viewers.


===Databases===
===Databases===
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/database (list of tables)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/database (list of tables)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/database/1/ (specific table)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/database/1/ (specific table)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/database/1/records (table contents)
* https://groups.yahoo.com/api/v1/groups/a_furrys_world/database/1/records (table contents)
:- Not paginated
:- Pagination: None.


* https://groups.yahoo.com/neo/groups/groupname/database/1/records/export
* https://groups.yahoo.com/neo/groups/groupname/database/1/records/export (export target)
:- export target, parameters: format (csv, tsv)
:- Known params: format (CSV, TSV)


===Members===
===Members===
* https://groups.yahoo.com/api/v1/groups/iswipe/members/confirmed (list of confirmed members)
* https://groups.yahoo.com/api/v1/groups/iswipe/members/confirmed (list of confirmed members)
:- Known params: count, start, sortBy, sortOrder, ts, tz, chrome.
:- Known params: count, start, sortBy, sortOrder, ts, tz, chrome.
:- Pagination: Limited to 10 by default or a count of 100. No known limit on total results.
:- Pagination: Page size defaults to 10, with a limit of 100. No known limit on total results.
: May be blocked for normal members (as may all the other members endpoints). Includes moderators and bouncing members, with identifying metadata.
: May be blocked for normal members (as may all the other members endpoints). Includes moderators and bouncing members, with identifying metadata.
* https://groups.yahoo.com/api/v1/groups/iswipe/members/moderators (list of moderators)
* https://groups.yahoo.com/api/v1/groups/iswipe/members/moderators (list of moderators)
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===Events===
===Events===
Overlaps with Yahoo Calendar API, check nsapa's branch for the code.
 
Overlaps with Yahoo Calendar API, check yahoo-group-archiver code.


== Python Yahoo! Group archivers ==  
== Python Yahoo! Group archivers ==  


* [https://github.com/IgnoredAmbience/yahoo-group-archiver/network/members yahoo-group-archiver] scrapes a group using the JSON API and (for private endpoints) the two cookies Yahoo uses to verify a logged-in user. Relevant forks include [https://github.com/Frankkkkk/yahoo-group-archiver Frankkkkk] and [https://github.com/nsapa/yahoo-group-archiver nsapa]. Needs merging. Various branches have support (largely untested) for file attachments, photos, links, folders, and events.
* [https://github.com/IgnoredAmbience/yahoo-group-archiver/network/members yahoo-group-archiver] scrapes a group using the JSON API and (for private endpoints) the two cookies Yahoo uses to verify a logged-in user. <s>Relevant forks include [https://github.com/Frankkkkk/yahoo-group-archiver Frankkkkk] and [https://github.com/nsapa/yahoo-group-archiver nsapa]. Needs merging. Various branches have support (largely untested) for file attachments, photos, links, folders, and events.</s> Most stuff has been merged back into IgnoredAmbience's master. (Exceptions: full WARC support?, mtime work from Frankkkkk.) Needs consistent/WARC-appropriate handling for random 500 errors (require retries), attachment 404s (appear permanent), and 502 permissions errors (definitely permanent, currently halt script).


* [https://github.com/andrewferguson/YahooGroups-Archiver YahooGroups-Archiver] is similar, but scrapes only messages (not files or any other data). It is not currently under active development.
* [https://github.com/andrewferguson/YahooGroups-Archiver YahooGroups-Archiver] is similar, but scrapes only messages (not files or any other data). It is not currently under active development.
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== Other archivers ==
== Other archivers ==


* [http://sourceforge.net/projects/grabyahoogroup/ Yahoo Group Archiver]: Perl, defunct.
* [https://sourceforge.net/projects/grabyahoogroup/ Yahoo Group Archiver]: Perl, defunct.
* [http://www.personalgroupware.com/ PGOffline]: Windows, proprietary. 14-day free trial, after which download and export is disabled (but view still works). Includes attachments. Stores data in a SQLite database internally.
* [http://www.personalgroupware.com/ PGOffline]: Windows, proprietary. 14-day free trial, after which download and export is disabled (but view still works). Includes attachments. Stores data in a SQLite database internally.
* [http://yahoogroupedia.pbworks.com/w/page/93006447/Chrome%20Application%20To%20Download%20Messages Yahoo Messages Export]: Chrome extension. Messages only. Saves as mbox.
* [http://yahoogroupedia.pbworks.com/w/page/93006447/Chrome%20Application%20To%20Download%20Messages Yahoo Messages Export]: Chrome extension. Messages only. Saves as mbox.
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== External Links ==
== External Links ==


* https://archive.org/details/yahoo_groups
* https://archive.org/details/archiveteam_yahoogroups


== Coverage ==
== Coverage ==

Revision as of 06:50, 18 November 2019

Yahoo! Groups
Yahoo! Groups logo
Groups-yahoo-com.png
URL https://groups.yahoo.com/
Status Closing
Archiving status In progress...
Archiving type Unknown
Project tracker yahoogroups
IRC channel #yahoosucks (on hackint)

Yahoo! Groups is Yahoo's combination mailing list service/web forum; it's the result of the acquisition of eGroups and some other Yahoo! stuff. In addition to archives of and a web interface for mailing lists, it offers file uploads, photo uploads, links, polls, and an events calendar.

Uploading of new content was disabled 28 October 2019, and all content, including message history, will be deleted 14 December 2019.[1] (The mailing lists themselves will continue to function.)

It's been stable for a long time (since the late 90s), long enough for some specialised software to be developed to do backups of it. (Not many other websites can say that.)

Nominating Notable Non-Private Groups for Archival

Groups can be nominated for archival using this form. Please note that this form should not be used for groups that require administrator approval to join.

Adding Private Groups to the Public Archive

Administrators / Moderators can request that their private group (we consider a private group to be one that requires approval for new members) be included in the public archive. Before you do this, please ensure that the members of the group are happy about being part of the public archive.

To add the group to the list of private groups to be archived, all you need to do is send a membership invite to the email archiveteamprivateyahoogroup@gmail.com. (Note that only group admins can do this). We'll be monitoring that email regularly to accept any membership requests we receive. Once that account is a member, the group should be scheduled to be part of the public archive.

Please make sure that when you invite the Archive Team account, you do not select the Add only to mailing list option, as this will prevent Archive Team from archiving the group.

Statistics

As of 2019-10-16 the directory lists 5619351 groups. 2752112 of them have been discovered. 1483853 (54%) have public message archives with an estimated number of 2.1 billion messages (1389 messages per group on average so far). 1.8 billion messages (86%) have been archived as of 2018-10-28.

The following graphs are slightly outdated:

Yahoo groups date created.png Yahoo groups messages per group.png Yahoo groups post date.png

Private groups of interest

Group Notes Admin consent?
numberactivation see all the press coverage Not yet contacted; FOI request made
hpslash see Fanlore page Not yet contacted

Potentially relevant: List of groups with Fanlore pages (contains both private and public groups), Archive Trans Yahoo's list (all private at last check)

Site structure

There’s a convenient JSON API. Some endpoints require logged-in group membership or other permissions (depending on group settings).

Groups

- Known params: maxHits, offset, query, sortBy (values: OLDEST, RELEVANCE, MEMBERS, LATEST_ACTIVITY, NEWEST)
- Known params: start, intlCode (au, in, sg, uk, us; ar, e1, es, mx; br; cf, fr; de; hk; it...)
- Pagination: Page size is 10. Does not have a count param. start is the result index, not the group id. start values 500 and up all return the same set of results.
Groups are listed in fixed but arbitrary order. /0/ is a special value that shows the root node; subcategories can be accessed by using the subcategory id instead (the full "idList" value is not required).
Defaults to the US view of the English directory tree. Different languages have different directory trees. Supplying a different intlCode parameter (list not exhaustive, must be lower case) accesses the corresponding view of the appropriate language's tree. Subcategory ids are language-specific and must be used with an appropriate intlCode. The intlCode -> language mapping may be checked at the /0/ endpoint; the root "name" is always "ROOT", but "id" is language-specific.[2] Different intlCode views of the same language list groups in a different order, may have slightly different category names, and appear to have slightly different numbers of categories in the full tree; their group overlap is about 99%.
The "count" field appears totally inaccurate.

Messages

- Known params: count, start, sortOrder (ASC, DESC), direction (1, -1)
- Pagination: Page size defaults to 10, with no known limit. start is the message id, not the result index. sortOrder adjusts the order of results in the json response's array, whereas direction determines which way to iterate through ids from start (default: DESC, -1).
Some messages may have encoding issues.[3] Sometimes (as in the linked case) the non-raw endpoint has the correct characters, sometimes it does not; this is likely related to the originating email client.
- Known params: ts, tz, chrome
- Redundancy: Generatable from /messages data.

Topics

- Known params: count, startTopicId, sortOrder (ASC, DESC), direction (1, -1)
- Pagination: Page size defaults to 25, with a limit of 100. sortOrder and direction as for messages.
- Known params: maxResults.
- Pagination: Page size defaults to 30 (messages in topic), with no known limit (maximum tested: 57). No known start param.
- Redundancy: Generatable from /messages data.
"messages" field is an array, each element of which seems to have the same contents as the corresponding /message/<id>/ (non-raw) endpoint; metadata ("totalMsgInTopic", "prevTopicId", "nextTopicId") could be reconstructed. Not known whether a message can fail to be associated with any topic.

Attachments

- Known params: count, start, sort (TITLE, TIME), order (ASC, DESC)
- Pagination: Page size defaults to 20, with no known limit (maximum tested: 93).

Attachment may be of several types: photo, file, ...?

Files

- Known params: sfpath (pass in a pathURI to retrieve the file listings of this subdirectory)
- Pagination: None.
Entries with "type" 0 are files; 1, directories.

Photos

- Known params: count, start, orderBy (MTIME), sortOrder (ASC, DESC), ownedByMe (TRUE, FALSE), lastFetchTime, photoFilter (ALL, PHOTOS_WITH_EXIF "Originals", PHOTOS_WITHOUT_EXIF "Shared")
- Pagination: Page size defaults to 20, with no known limit.
"totalPhotos" field in response gives total in group.
- Known params: count, start, albumType (PHOTOMATIC, NORMAL), orderBy (MTIME, TITLE), sortOrder (ASC, DESC)
- Pagination: Page size defaults to 12, with no known limit.
albumType defaults to NORMAL. PHOTOMATIC albumType requires the "READ" permission for "ATTACHMENTS". "total" field in response gives total number of albums of the selected type in group; however, this seems to have an off-by-one error for the NORMAL type of albums.
- Observed parameters similar to photos and albums endpoints, with additional ordinal sortOrder option
Photomatic albums must be loaded with the albumType parameter set to PHOTOMATIC.

Links

- Known params: linkdir
- Pagination: None.
linkdir takes the folder parameter from a dir. Nested folders should be joined with '/'. You need to keep track of the path to a given folder yourself (eg, linkdir + '/' + folder).

Polls

- Known params: count, start
- Pagination: Page size defaults to 10, with no known limit. There is no "total" field in the response.
Polls return all votes cast, non-anonymised, including identifying metadata for all viewers.

Databases

- Pagination: None.
- Known params: format (CSV, TSV)

Members

- Known params: count, start, sortBy, sortOrder, ts, tz, chrome.
- Pagination: Page size defaults to 10, with a limit of 100. No known limit on total results.
May be blocked for normal members (as may all the other members endpoints). Includes moderators and bouncing members, with identifying metadata.
Very often (always?) blocked for normal members.
Very often (always?) blocked for normal members.

Events

Overlaps with Yahoo Calendar API, check yahoo-group-archiver code.

Python Yahoo! Group archivers

  • yahoo-group-archiver scrapes a group using the JSON API and (for private endpoints) the two cookies Yahoo uses to verify a logged-in user. Relevant forks include Frankkkkk and nsapa. Needs merging. Various branches have support (largely untested) for file attachments, photos, links, folders, and events. Most stuff has been merged back into IgnoredAmbience's master. (Exceptions: full WARC support?, mtime work from Frankkkkk.) Needs consistent/WARC-appropriate handling for random 500 errors (require retries), attachment 404s (appear permanent), and 502 permissions errors (definitely permanent, currently halt script).
  • YahooGroups-Archiver is similar, but scrapes only messages (not files or any other data). It is not currently under active development.
  • yahoo-groups-backup scrapes a group using Selenium, storing message info and metadata (both rendered message body and raw email) into a Mongo database. It also provides a script to dump its data to static HTML pages that can be viewed in the browser.

Other archivers

  • Yahoo Group Archiver: Perl, defunct.
  • PGOffline: Windows, proprietary. 14-day free trial, after which download and export is disabled (but view still works). Includes attachments. Stores data in a SQLite database internally.
  • Yahoo Messages Export: Chrome extension. Messages only. Saves as mbox.

External Links

Coverage

References

  1. https://help.yahoo.com/kb/groups/SLN31010.html
  2. This id can also be accessed with an appropriate intlCode, but contains the same twelve groups for all languages: the groups in the categories for musical artists "Roots, The" and "Rusted Root", three groups which appear to be Yahoo tests, and one group which appears to be a spam test.
  3. https://yahoo.uservoice.com/forums/209451-us-groups/suggestions/9644478-displaying-raw-messages-is-not-8-bit-clean