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ravelRy

Travis build status

ravelRy is an R package that provides access to the Ravelry API.

Ravelry describes itself as a place for knitters, crocheters, designers, spinners, weavers and dyers to keep track of their yarn, tools, project and pattern information, and look to others for ideas and inspiration.

Hex sticker yarn icon by Eucalyp via Flaticon.

Installation

You can install the development version of ravelRy from Github:

devtools::install_github("walkerkq/ravelRy")

Or the release via CRAN:

install.packages("ravelRy")

Getting started

  1. Set up a Ravelry developer account at https://www.ravelry.com/pro/developer.
  2. Create an app with basic authentication: read only access.
  3. Set RAVELRY_USERNAME and RAVELRY_PASSWORD in your .renviron file or via the console with the ravelry_auth() function.
library(ravelRy)

ravelry_auth(key = 'username') 
# you will be prompted to enter your username via the console

ravelry_auth(key = 'password') 
# you will be prompted to enter your password via the console

An example

Retrieve a list of free patterns for baby hats.

library(ravelRy)

search_results <- search_patterns(query = 'hat', page_size = 5, availability = 'free', fit = 'baby')
str(search_results, max.level = 1)
#> Classes 'tbl_df', 'tbl' and 'data.frame':    5 obs. of  7 variables:
#>  $ free           : logi  TRUE TRUE TRUE TRUE TRUE
#>  $ id             : int  124400 464893 528611 899479 585110
#>  $ name           : chr  "Sockhead Slouch Hat" "Garter Ear Flap Hat" "Classic Cuffed Hat" "Classic Ribbed Hat" ...
#>  $ permalink      : chr  "sockhead-slouch-hat" "garter-ear-flap-hat" "classic-cuffed-hat" "classic-ribbed-hat-5" ...
#>  $ designer.id    : int  21767 40686 40686 40686 82906
#>  $ designer.name  : chr  "Kelly McClure" "Purl Soho" "Purl Soho" "Purl Soho" ...
#>  $ pattern_sources:List of 5

Get pattern details for those ids.

patterns <- get_patterns(ids = search_results$id)
str(patterns, max.level = 1)
#> 'data.frame':    5 obs. of  50 variables:
#>  $ comments_count         : int  7 27 82 91 156
#>  $ created_at             : chr  "2019/01/30 11:17:12 -0500" "2014/10/22 11:12:42 -0400" "2015/06/08 18:09:27 -0400" "2014/01/23 11:39:14 -0500" ...
#>  $ currency               : chr  "USD" "USD" "" "USD" ...
#>  $ difficulty_average     : num  1.9 1.84 2.21 2.41 1.53
#>  $ difficulty_count       : int  193 1190 760 2490 4974
#>  $ downloadable           : logi  TRUE TRUE TRUE TRUE TRUE
#>  $ favorites_count        : int  6703 28706 16020 46680 44945
#>  $ free                   : logi  TRUE TRUE TRUE TRUE TRUE
#>  $ gauge                  : num  32 20 20 4.25 32
#>  $ gauge_divisor          : int  4 4 4 1 4
#>  $ gauge_pattern          : chr  "1x1 Rib" "stockinette" "stockinette stitch" "garter stitch" ...
#>  $ generally_available    : chr  "2019/01/01 00:00:00 -0500" "2014/10/01 00:00:00 -0400" "2015/06/01 00:00:00 -0400" "2014/01/01 00:00:00 -0500" ...
#>  $ id                     : int  899479 528611 585110 464893 124400
#>  $ name                   : chr  "Classic Ribbed Hat" "Classic Cuffed Hat" "Quick Ombré Hat" "Garter Ear Flap Hat" ...
#>  $ pdf_url                : chr  "" "" "" "https://www.purlsoho.com/create/wp-content/uploads/2014/01/Purl_Bee_Garter_Ear_Flap_Hats.pdf" ...
#>  $ permalink              : chr  "classic-ribbed-hat-5" "classic-cuffed-hat" "quick-ombre-hat" "garter-ear-flap-hat" ...
#>  $ price                  : chr  "" "" "" "" ...
#>  $ projects_count         : int  807 5808 2874 10025 22135
#>  $ published              : chr  "2019/01/01" "2014/10/01" "2015/06/01" "2014/01/01" ...
#>  $ queued_projects_count  : int  889 4021 2207 7008 8955
#>  $ rating_average         : num  4.82 4.65 4.65 4.62 4.65
#>  $ rating_count           : int  193 1194 777 2520 4870
#>  $ row_gauge              : num  33 28 26 8 46
#>  $ updated_at             : chr  "2019/01/30 11:33:37 -0500" "2019/11/22 11:09:26 -0500" "2019/02/18 22:56:45 -0500" "2019/04/18 14:10:08 -0400" ...
#>  $ url                    : chr  "https://www.purlsoho.com/create/2019/01/30/classic-ribbed-hat/" "http://www.purlsoho.com/create/2014/10/22/classic-cuffed-hat/" "" "https://www.purlsoho.com/create/2014/01/23/lauras-loop-garter-ear-flap-hat/" ...
#>  $ yardage                : int  94 164 50 60 155
#>  $ yardage_max            : int  264 328 200 160 415
#>  $ personal_attributes    : chr  "" "" "" "" ...
#>  $ sizes_available        : chr  "Baby (Kid, Adult Small, Adult Medium, Adult Large)" "Three Sizes: Baby (Kid, Adult)" "Preemie 4-5lbs, Preemie 5-6lbs, Newborn, Baby 3-6months, Baby 6-12 months, Toddler, Child, Adult woman, Adult man" "Baby, Toddler, Kid, Adult Small, Adult Medium, Adult Large" ...
#>  $ product_id             : chr  "" "" "277047" "" ...
#>  $ currency_symbol        : chr  "$" "$" "" "$" ...
#>  $ ravelry_download       : logi  FALSE FALSE TRUE FALSE TRUE
#>  $ download_location      :List of 5
#>  $ pdf_in_library         : logi  FALSE FALSE FALSE FALSE FALSE
#>  $ volumes_in_library     : chr  "" "" "" "" ...
#>  $ gauge_description      : chr  "32 stitches and 33 rows = 4 inches in 1x1 Rib" "20 stitches and 28 rows = 4 inches in stockinette" "20 stitches and 26 rows = 4 inches in stockinette stitch" "4.25 stitches and 8 rows = 1 inch in garter stitch" ...
#>  $ yarn_weight_description: chr  "DK (11 wpi)" "Worsted (9 wpi)" "Worsted (9 wpi)" "Aran (8 wpi)" ...
#>  $ yardage_description    : chr  "94 - 264 yards" "164 - 328 yards" "50 - 200 yards" "60 - 160 yards" ...
#>  $ pattern_needle_sizes   :List of 5
#>  $ notes_html             : chr  "\n<p>MATERIALS</p>\n\n<ul>\n<li>1 (1, 1, 1, 2) skein(s) of Purl Soho’s <a href=\"https://www.purlsoho.com/cashm"| __truncated__ "\n<p>MATERIALS</p>\n\n<ul>\n<li>Hat with pom pom: 1 (2, 2) skeins of Purl Soho’s Worsted Twist, 100% merino. We"| __truncated__ "\n<p>This pattern uses stranded color work and changes gradually from one color to the next.</p>\n" "\n<p>MATERIALS</p>\n\n<ul>\n<li>1 (1, 1, 1, 2, 2) skein(s) of Purl Soho’s Alpaca Pure, 100% alpaca. We used the"| __truncated__ ...
#>  $ notes                  : chr  "MATERIALS\r\n\r\n- 1 (1, 1, 1, 2) skein(s) of Purl Soho’s [Cashmere Merino Bloom][1], 75% extra fine merino and"| __truncated__ "MATERIALS\r\n- Hat with pom pom: 1 (2, 2) skeins of Purl Soho’s Worsted Twist, 100% merino. We used all of our "| __truncated__ "This pattern uses stranded color work and changes gradually from one color to the next.\r\n" "MATERIALS\r\n\r\n- 1 (1, 1, 1, 2, 2) skein(s) of Purl Soho's Alpaca Pure, 100% alpaca. We used the colors Heirl"| __truncated__ ...
#>  $ packs                  :List of 5
#>  $ printings              :List of 5
#>  $ yarn_weight            :List of 5
#>  $ craft                  :List of 5
#>  $ pattern_categories     :List of 5
#>  $ pattern_attributes     :List of 5
#>  $ pattern_author         :List of 5
#>  $ photos                 :List of 5
#>  $ pattern_type           :List of 5

More examples can be found here.

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An Interface to the Ravelry API

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