Json package report #399

imalsogreg · 2015-08-02T01:10:18Z

Support for #338

I've written a provisional ToJSON instance for PackageRender. Many of the fields' types don't have ToJSON instances, so I show them for now. To complete the pull request I'd like to write ToJSON instances for the many types within PackageRender, preferably by deriving Generic.

For now though, if you hit /package/:package with Accept: application/json, then some JSON comes back. If no version suffix is in the URL (i.e. /package/zlib), then the JSON is a lists all packages by that name, indexed by version. If a version is mentioned ( i.e. /package/zlib-0.5.4), then only than one version is serialized, and it comes back with no version tag. Requests for packages or versions that don't exist return JSON empty array.

Comments/suggestions appreciated - is this the right direction to finish up?

…o json requestn for package/:package

dcoutts · 2015-08-20T02:43:32Z

Yes, this looks like a perfectly reasonable direction. And if you like you can do it incrementally: start with the fields that have obvious toJSON instances already, and we can merge & deploy that, and you can add more stuff in subsequent patches.

…e-security-0.4.0.0

imalsogreg · 2015-09-21T01:17:38Z

Coming along with the json package report. Lots of Cabal's types have toJSON functions (not instances of the ToJSON/FromJSON though, those would be orphans). The endpoint http://localhost:8080/package/pipes-rt with Content-Type:application/json returns this: http://lpaste.net/141396

Three questions:

Is master the right branch for the PR
@hvr have I hit the parts of the package description you wanted to see? I ignored these fields from PackageDescription: https://github.com/haskell/cabal/blob/master/Cabal/Distribution/PackageDescription.hs#L200-L203. They are rendered with show instead of json'ed.
Any preferences about moving that giant block of json code out of Render.hs? Or replacing it all with orphan ToJSON/FromJSON instances, using generics?

imalsogreg · 2015-10-13T01:31:50Z

Ok, this is ready for round 1, with basic support for JSON rendering of most fields in a PackageRender.

Round 2 will cover the few remaining fields, collect the xFromJSON functions into a FromJSON instance for PackageRender, and have some round-trip tests between that and ToJSON.

If you would like to wait for Round 2 before merging anything, that's ok with me, but for now Round 1 is ready and may be useful if you would like to go ahead.

Thanks!

gbaz · 2016-10-23T07:44:19Z

Anything ever happen here? :-)

imalsogreg · 2016-10-23T12:22:51Z

@gbaz This has gone out of date, but I'm happy to pick it back up. Could I ask your opinion, about the hand-written fromJsonXYZ functions in this PR for many types defined in the cabal package? These look pretty fragile, and it may be better to make a cabal-orphans package, use standalone deriving to get Generic orphan instances and use those to make ToJSON and FromJSON instances. What do you think? hackage-server would pick up a dependency on cabal-orphans.

…o json requestn for package/:package

imalsogreg · 2016-10-27T01:22:40Z

I replaced nearly all of the hand-written aeson instances with generic derived ones.

Endpoints that don't list a specific package version collect json data for all versions in an object whose keys are the version strings. When a specific version is mentioned, the top-level JSON object is specific to that version. Below is a sample output from http://localhost:8002/package/groundhog-0.7.0.3.json.

@gbaz and @hvr, if you have use cases for the json package description in mind, do you like this format? Are there fields that you prefer to have rendered differently (dependency version ranges, for example, seem pretty hard to consume in the format here - it may be better to pretty print dependency versions out to the format they have in a cabal file?)

@dcoutts, is there anything about the PR you'd like me to before you can merge? (squash all the commits?)

Thanks!!

{
   "licenseName":"BSD3",
   "other":{
      "homepage":"http://github.com/lykahb/groundhog",
      "setupBuildInfo":null,
      "dataDir":"",
      "library":null,
      "copyright":"",
      "testedWith":[

      ],
      "extraSrcFiles":[
         "changelog"
      ],
      "category":"Database",
      "testSuites":[

      ],
      "specVersionRaw":{
         "Right":{
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"1.6"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"1.6"
               }
            ]
         }
      },
      "licenseFiles":[
         "LICENSE"
      ],
      "maintainer":"Boris Lykah <[email protected]>",
      "benchmarks":[

      ],
      "pkgUrl":"",
      "extraDocFiles":[

      ],
      "synopsis":"Type-safe datatype-database mapping library.",
      "package":{
         "pkgName":{
            "unPackageName":"groundhog"
         },
         "pkgVersion":"0.7.0.3"
      },
      "stability":"Stable",
      "author":"Boris Lykah <[email protected]>",
      "bugReports":"",
      "dataFiles":[

      ],
      "license":{
         "tag":"BSD3"
      },
      "executables":[

      ],
      "buildDepends":[

      ],
      "extraTmpFiles":[

      ],
      "buildType":{
         "tag":"Simple"
      },
      "description":"This library maps your datatypes to a relational model, in a way similar to what ORM libraries do in object-oriented programming. The mapping can be configured to work with almost any schema. Groundhog supports schema migrations, composite keys, advanced expressions in queries, and much more. See tutorial <https://www.fpcomplete.com/user/lykahb/groundhog> and examples <https://github.com/lykahb/groundhog/tree/master/examples> on GitHub.",
      "sourceRepos":[
         {
            "repoBranch":null,
            "repoModule":null,
            "repoType":{
               "tag":"Git"
            },
            "repoTag":null,
            "repoLocation":"git://github.com/lykahb/groundhog.git",
            "repoKind":{
               "tag":"RepoHead"
            },
            "repoSubdir":null
         }
      ],
      "customFieldsPD":[

      ]
   },
   "flags":[

   ],
   "execNames":[

   ],
   "pkgUri":"/package/groundhog-0.7.0.3",
   "readme":null,
   "depends":[
      [
         {
            "unPackageName":"aeson"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"0.5"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"0.5"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"attoparsec"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"0.11"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"0.11"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"base"
         },
         {
            "tag":"IntersectVersionRanges",
            "contents":[
               {
                  "tag":"UnionVersionRanges",
                  "contents":[
                     {
                        "tag":"ThisVersion",
                        "contents":"4.5"
                     },
                     {
                        "tag":"LaterVersion",
                        "contents":"4.5"
                     }
                  ]
               },
               {
                  "tag":"EarlierVersion",
                  "contents":"5"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"base64-bytestring"
         },
         {
            "tag":"AnyVersion"
         }
      ],
      [
         {
            "unPackageName":"blaze-builder"
         },
         {
            "tag":"IntersectVersionRanges",
            "contents":[
               {
                  "tag":"UnionVersionRanges",
                  "contents":[
                     {
                        "tag":"ThisVersion",
                        "contents":"0.3"
                     },
                     {
                        "tag":"LaterVersion",
                        "contents":"0.3"
                     }
                  ]
               },
               {
                  "tag":"EarlierVersion",
                  "contents":"0.5"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"bytestring"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"0.10"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"0.10"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"containers"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"0.2"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"0.2"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"monad-control"
         },
         {
            "tag":"IntersectVersionRanges",
            "contents":[
               {
                  "tag":"UnionVersionRanges",
                  "contents":[
                     {
                        "tag":"ThisVersion",
                        "contents":"0.3"
                     },
                     {
                        "tag":"LaterVersion",
                        "contents":"0.3"
                     }
                  ]
               },
               {
                  "tag":"EarlierVersion",
                  "contents":"1.1"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"mtl"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"2.0"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"2.0"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"resourcet"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"1.1.2"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"1.1.2"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"scientific"
         },
         {
            "tag":"AnyVersion"
         }
      ],
      [
         {
            "unPackageName":"text"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"0.8"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"0.8"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"time"
         },
         {
            "tag":"UnionVersionRanges",
            "contents":[
               {
                  "tag":"ThisVersion",
                  "contents":"1.1.4"
               },
               {
                  "tag":"LaterVersion",
                  "contents":"1.1.4"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"transformers"
         },
         {
            "tag":"IntersectVersionRanges",
            "contents":[
               {
                  "tag":"UnionVersionRanges",
                  "contents":[
                     {
                        "tag":"ThisVersion",
                        "contents":"0.2.1"
                     },
                     {
                        "tag":"LaterVersion",
                        "contents":"0.2.1"
                     }
                  ]
               },
               {
                  "tag":"EarlierVersion",
                  "contents":"0.6"
               }
            ]
         }
      ],
      [
         {
            "unPackageName":"transformers-base"
         },
         {
            "tag":"AnyVersion"
         }
      ]
   ],
   "category":[
      "Database"
   ],
   "repoHeads":[
      [
         {
            "tag":"Git"
         },
         "git://github.com/lykahb/groundhog.git",
         {
            "repoBranch":null,
            "repoModule":null,
            "repoType":{
               "tag":"Git"
            },
            "repoTag":null,
            "repoLocation":"git://github.com/lykahb/groundhog.git",
            "repoKind":{
               "tag":"RepoHead"
            },
            "repoSubdir":null
         }
      ]
   ],
   "licenseFiles":[
      "LICENSE"
   ],
   "hasTarball":true,
   "maintainer":"Boris Lykah <[email protected]>",
   "modules":[
      [
         "Database",
         false,
         false,
         [
            [
               "Groundhog",
               true,
               false,
               [
                  [
                     "Core",
                     true,
                     false,
                     [

                     ]
                  ],
                  [
                     "Expression",
                     true,
                     false,
                     [

                     ]
                  ],
                  [
                     "Generic",
                     true,
                     false,
                     [
                        [
                           "Migration",
                           true,
                           false,
                           [

                           ]
                        ],
                        [
                           "PersistBackendHelpers",
                           true,
                           false,
                           [

                           ]
                        ],
                        [
                           "Sql",
                           true,
                           false,
                           [
                              [
                                 "Functions",
                                 true,
                                 false,
                                 [

                                 ]
                              ]
                           ]
                        ]
                     ]
                  ],
                  [
                     "Instances",
                     true,
                     false,
                     [

                     ]
                  ]
               ]
            ]
         ]
      ]
   ],
   "pkgId":{
      "pkgName":{
         "unPackageName":"groundhog"
      },
      "pkgVersion":"0.7.0.3"
   },
   "updateInfo":null,
   "changeLog":null,
   "executableDeps":[

   ],
   "uploadInfo":[
      "2016-10-27T01:12:02.468533Z",
      {
         "status":"AccountEnabled",
         "name":"imalsogreg"
      }
   ],
   "libraryDeps":{
      "condTreeComponents":[

      ],
      "condTreeData":"Buildable",
      "condTreeConstraints":[
         [
            {
               "unPackageName":"aeson"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"0.5"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"0.5"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"attoparsec"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"0.11"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"0.11"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"base"
            },
            {
               "tag":"IntersectVersionRanges",
               "contents":[
                  {
                     "tag":"UnionVersionRanges",
                     "contents":[
                        {
                           "tag":"ThisVersion",
                           "contents":"4.5"
                        },
                        {
                           "tag":"LaterVersion",
                           "contents":"4.5"
                        }
                     ]
                  },
                  {
                     "tag":"EarlierVersion",
                     "contents":"5"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"base64-bytestring"
            },
            {
               "tag":"AnyVersion"
            }
         ],
         [
            {
               "unPackageName":"blaze-builder"
            },
            {
               "tag":"IntersectVersionRanges",
               "contents":[
                  {
                     "tag":"UnionVersionRanges",
                     "contents":[
                        {
                           "tag":"ThisVersion",
                           "contents":"0.3"
                        },
                        {
                           "tag":"LaterVersion",
                           "contents":"0.3"
                        }
                     ]
                  },
                  {
                     "tag":"EarlierVersion",
                     "contents":"0.5"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"bytestring"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"0.10"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"0.10"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"containers"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"0.2"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"0.2"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"monad-control"
            },
            {
               "tag":"IntersectVersionRanges",
               "contents":[
                  {
                     "tag":"UnionVersionRanges",
                     "contents":[
                        {
                           "tag":"ThisVersion",
                           "contents":"0.3"
                        },
                        {
                           "tag":"LaterVersion",
                           "contents":"0.3"
                        }
                     ]
                  },
                  {
                     "tag":"EarlierVersion",
                     "contents":"1.1"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"mtl"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"2.0"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"2.0"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"resourcet"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"1.1.2"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"1.1.2"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"scientific"
            },
            {
               "tag":"AnyVersion"
            }
         ],
         [
            {
               "unPackageName":"text"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"0.8"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"0.8"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"time"
            },
            {
               "tag":"UnionVersionRanges",
               "contents":[
                  {
                     "tag":"ThisVersion",
                     "contents":"1.1.4"
                  },
                  {
                     "tag":"LaterVersion",
                     "contents":"1.1.4"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"transformers"
            },
            {
               "tag":"IntersectVersionRanges",
               "contents":[
                  {
                     "tag":"UnionVersionRanges",
                     "contents":[
                        {
                           "tag":"ThisVersion",
                           "contents":"0.2.1"
                        },
                        {
                           "tag":"LaterVersion",
                           "contents":"0.2.1"
                        }
                     ]
                  },
                  {
                     "tag":"EarlierVersion",
                     "contents":"0.6"
                  }
               ]
            }
         ],
         [
            {
               "unPackageName":"transformers-base"
            },
            {
               "tag":"AnyVersion"
            }
         ]
      ]
   }
}

gbaz · 2016-10-27T04:10:32Z

Neat! This output seems pretty workable. For the use case I have in mind (easing implementation of #198) just getting the version info for the latest package via xhttp requests, which this covers, should be fine. As long as the info is there in some format, then other tools seem like they can be built on top of this, and its probably better to more faithfully represent the structures (assuming they're not going to change too drastically) than to try to process them for certain use cases ahead-of-time...

gbaz · 2018-03-25T05:57:26Z

Don't want this to languish any longer. If nobody objects I'll try to find time to review and merge.

hvr · 2018-03-25T12:23:29Z

@gbaz my main concern with this one, is that I don't want to commit to an API; i.e. I don't want to get complaints if for any reason I decide to change/refactor the JSON representation because the original representation turned out to be wrong/inadequate; in matrix.hho I use version-prefixed urlpaths for that to give me that liberty. So, I'm ok with merging this one, but attaching a big disclaimer that this API is subject to change without notice (or alternatively using a versioned API).

imalsogreg · 2018-04-09T00:46:28Z

@gbaz @hvr Some of the instances here are cumbersome to use - version bounds being a prime example.

This example of a dependency on transformers shows how the attempt to use default json instances results in ugly output

[
            {
               "unPackageName":"transformers"
            },
            {
               "tag":"IntersectVersionRanges",
               "contents":[
                  {
                     "tag":"UnionVersionRanges",
                     "contents":[
                        {
                           "tag":"ThisVersion",
                           "contents":"0.2.1"
                        },
                        {
                           "tag":"LaterVersion",
                           "contents":"0.2.1"
                        }
                     ]
                  },
                  {
                     "tag":"EarlierVersion",
                     "contents":"0.6"
                  }
               ]
            }
         ]

Do you have a proposal for something nicer? Or is it good to stick with something completely default? Maybe { "transformers": ">= 0.2.1 && < 0.6" }, or

{ "transformers": 
  { "intersection": 
    [ {"ge": [0,2,1]}, 
      {"lt": [0,6]} 
    ]
  }
}

alexcmcdaniel · 2019-01-11T18:53:23Z

Any updates to this PR?

hvr · 2019-01-11T21:19:02Z

@alexcmcdaniel as you seem interested, what's your use-case?

imalsogreg · 2019-01-11T21:33:28Z

@alexcmcdaniel I haven't worked on it recently. Picking it back up would be nice, but (a) it can be problematic to define an API using derived instances on types that may change in the future, since we would want those types to be more flexible than an API should be. And (b) we don't know what the API should look like - should the response JSON be a machine-generated-looking blob such as the one I posted in a comment above? Or should we be adding/removing/reformatting some fields?

I'm definitely happy to hack on this more! I just never felt like I found the right answers to the above questions. So if you or others have an opinion, I'd love to hear.

alexcmcdaniel · 2019-01-17T17:05:16Z

I am looking to collect basic metadata on packages i.e. license, description, author. I believe the JSON shown would work well. In terms of reformatting the JSON, as @hvr mentioned, would it be possible to append a version to the URL? Something like /v1/package/zlib. That way any changes to the JSON could be made in a new version.

hvr · 2019-01-17T22:38:10Z

@imalsogreg fwiw, I'd strongly prefer a hand-tuned JSON schema; when it comes to record-fields I can almost never use the default generics inferred ToJSON instances as they're just awful unless you heavily namespace your data type definitions to have the field-names you want (and it breaks down for e.g. the dependency expressions). At the very least I need to add some smarter record-fieldname <-> json key dict string translation and carefully design the haskell-land record field names, and be even more careful to not change their names during refactorings in order not to cause unintended schema changes... it's a mess :-)

imalsogreg · 2019-01-18T03:12:12Z

@hvr thank you! That is enough convincing for us to avoid derived instances. I'll come up with a type to model the JSON package report, whose only use is in this JSON endpoint, along with a conversion function from Distribution.Server.Packages.Render.PackageRender.

alexcmcdaniel · 2019-01-21T15:35:10Z

@imalsogreg is there an estimated release time for this?

hvr · 2019-01-21T15:44:09Z

@imalsogreg @alexcmcdaniel to make some progress on this: we should do this incrementally imo: let's start exposing the no-brainer properties into a JSON rep;

So it was mentioned that we want the basic data, such as

license
description
author

let's start with those simple fields;

Moreover, I'd like to have a new endpoint to query the list of versions available for a package, including their deprecation status, upload time and uploader, and possibly list of revisions; this is something I e.g. currently have to screen-scrape for hackage-cli and it tends to break whenever the HTML changes.

There's already prior art for that, see e.g. https://hackage.haskell.org/package/HsYAML/candidates/.json

Also, I'd leave off the dependency information, and instead leave that for the http://hackage.haskell.org/package/lens-4.17/dependencies endpoint

alexcmcdaniel · 2019-01-23T19:41:55Z

@imalsogreg @hvr Having the dependency information would also be nice but I understand it is a bit more difficult than fields such as the name and license

alexcmcdaniel · 2019-01-28T21:30:20Z

btw, have you looked at the hpack cabal-to-yaml converter? would it be possible to take a similar approach? https://github.com/yamadapc/hpack-convert

hvr · 2019-01-29T08:39:12Z

@alexcmcdaniel I'm not sure what you mean by that; I don't see anything relevant/reusable in hpack-convert to the task at hand

alexcmcdaniel · 2019-02-11T16:03:13Z

@imalsogreg @hvr Oh sorry I misunderstood their implementation. Are there any updates to this initiative?

imalsogreg · 2019-02-11T16:08:13Z

@alexcmcdaniel Yes, I've picked this back up, but slowly. It's taking some work for me to get things building on my machine, but after that it should be relatively quick to implement the smaller endpoint hvr is talking about. I agree, let's save the dependency data for a followup PR adding a json endpoint for /packagename/dependencies.

alexcmcdaniel · 2019-02-11T18:32:21Z

Thanks @imalsogreg !

alexcmcdaniel · 2019-02-19T19:12:36Z

@imalsogreg Hey sorry I hate to be a nuisance but is there any update on the timeline?

imalsogreg · 2019-02-20T02:31:41Z

@alexcmcdaniel Not a nuisance. :) My work in progress is at https://github.com/imalsogreg/hackage-server/commits/jsonPackageReport2
When it's ready for a new PR and comments, I'll close this PR and point to the new one.
TODO:

Implement basic JSON listing for $package-$version and $package-$version/revision/$n
Hook up the new JSON feature in the global feature list
Caching
Try it out, bugfix
I think I'll get through this list and have a fresh PR in a couple weeks?

imalsogreg · 2019-02-23T15:25:30Z

Closing this in favor of #810

Add simple ToJSON instance for PackageInfo, serve it in in response t…

e996a52

…o json requestn for package/:package

imalsogreg added 5 commits September 18, 2015 20:58

wip aeson instances for more cabal/hackage types

66cca2b

toJSON and fromJSON for VersionRange

861a08e

tweak tag names for VersionRange

a315626

merge master, tweak Client/Mirror/Repo/Secure.hs to build with hackag…

f9d9cb1

…e-security-0.4.0.0

cleanup patch whitespaces

d717aec

imalsogreg added 7 commits September 20, 2015 21:21

oops, return aeson import

1d9481e

7.8 compat

2e8c308

7.8 compat

2c91dfe

Cleanup

fc70a40

remove unused function

e3368f1

pull master

ef1598b

remove old caveat comment

e8e74dc

imalsogreg added 12 commits October 25, 2016 19:18

Add simple ToJSON instance for PackageInfo, serve it in in response t…

cd28b2a

…o json requestn for package/:package

wip aeson instances for more cabal/hackage types

13b1636

toJSON and fromJSON for VersionRange

5130059

tweak tag names for VersionRange

d73ccfa

cleanup patch whitespaces

7e9481e

oops, return aeson import

45c8aed

7.8 compat

2dc84da

7.8 compat

7d4a3d5

Cleanup

93d7622

remove unused function

7530f91

remove old caveat comment

89466c3

Uses generics to derive almost all aeson instances

4d069f3

imalsogreg added 5 commits October 26, 2016 17:56

Merge jsonPackage

2580bec

Move instances and cleanup some imports

0a036fe

Undo moving aeson instances to Instances module

8fa3d8a

More cleanup

74a1d48

ghc 7.6 compat

2431519

gbaz self-assigned this Mar 25, 2018

imalsogreg mentioned this pull request Feb 22, 2019

Json package report try #2 #810

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imalsogreg closed this Feb 23, 2019

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Json package report #399

Json package report #399

imalsogreg commented Aug 2, 2015

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Json package report #399

Json package report #399

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imalsogreg commented Aug 2, 2015

dcoutts commented Aug 20, 2015

imalsogreg commented Sep 21, 2015

imalsogreg commented Oct 13, 2015

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