fix(repositories): use urls for versioned JSON API instead of releases (#5972)

* fix(repositories): use `urls` for JSON API instead of `releases`
* test(repositories): check for `files` content
* test(repositories): remove `releases` key from version fixtures

Author: mkniewallner

src/poetry/repositories/pypi_repository.py

@@ -204,7 +204,7 @@ def _get_release_info(
         )
 
         try:
-            version_info = json_data["releases"][version]
+            version_info = json_data["urls"]
         except KeyError:
             version_info = []
 

tests/repositories/fixtures/pypi.org/json/attrs/17.4.0.json

@@ -61,42 +61,6 @@
     "version": "17.4.0"
   },
   "last_serial": 3451237,
-  "releases": {
-    "17.4.0": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "5835a573b3f0316e1602dac3fd9c1daf",
-          "sha256": "a17a9573a6f475c99b551c0e0a812707ddda1ec9653bed04c13841404ed6f450"
-        },
-        "downloads": -1,
-        "filename": "attrs-17.4.0-py2.py3-none-any.whl",
-        "has_sig": true,
-        "md5_digest": "5835a573b3f0316e1602dac3fd9c1daf",
-        "packagetype": "bdist_wheel",
-        "python_version": "py2.py3",
-        "size": 31658,
-        "upload_time": "2017-12-30T08:20:05",
-        "url": "https://files.pythonhosted.org/packages/b5/60/4e178c1e790fd60f1229a9b3cb2f8bc2f4cc6ff2c8838054c142c70b5adc/attrs-17.4.0-py2.py3-none-any.whl"
-      },
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "d7a89063b2e0fd36bd82389c4d82821d",
-          "sha256": "1c7960ccfd6a005cd9f7ba884e6316b5e430a3f1a6c37c5f87d8b43f83b54ec9"
-        },
-        "downloads": -1,
-        "filename": "attrs-17.4.0.tar.gz",
-        "has_sig": true,
-        "md5_digest": "d7a89063b2e0fd36bd82389c4d82821d",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "size": 97071,
-        "upload_time": "2017-12-30T08:20:08",
-        "url": "https://files.pythonhosted.org/packages/8b/0b/a06cfcb69d0cb004fde8bc6f0fd192d96d565d1b8aa2829f0f20adb796e5/attrs-17.4.0.tar.gz"
-      }
-    ]
-  },
   "urls": [
     {
       "comment_text": "",

tests/repositories/fixtures/pypi.org/json/cachecontrol/0.12.5.json

@@ -46,122 +46,6 @@
     "version": "0.12.5"
   },
   "last_serial": 3939938,
-  "releases": {
-    "0.12.0": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "807c457b3b7df9d1f23b1aad7f9c9a22",
-          "sha256": "ce479e88e697dc088297a5781daa2e812aa0dc888dc439602a308af6f4ff09e8"
-        },
-        "downloads": -1,
-        "filename": "CacheControl-0.12.0.tar.gz",
-        "has_sig": false,
-        "md5_digest": "807c457b3b7df9d1f23b1aad7f9c9a22",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "requires_python": null,
-        "size": 13815,
-        "upload_time": "2017-01-30T05:05:38",
-        "url": "https://files.pythonhosted.org/packages/41/ae/b9c375b001f13d73c0d8eba2264f6de955769f7cef9140d7fc192814255e/CacheControl-0.12.0.tar.gz"
-      }
-    ],
-    "0.12.1": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "c6c5944d3a6f73bb752a4b4e2e1ffca5",
-          "sha256": "99c1506b98d53c222493e0ff65904c91aaedd7c8e235cb4f00287ddbbb597072"
-        },
-        "downloads": -1,
-        "filename": "CacheControl-0.12.1.tar.gz",
-        "has_sig": false,
-        "md5_digest": "c6c5944d3a6f73bb752a4b4e2e1ffca5",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "requires_python": null,
-        "size": 13939,
-        "upload_time": "2017-03-14T21:42:44",
-        "url": "https://files.pythonhosted.org/packages/3a/f7/075de886ad249f4ca08615ebd8bec9ce995ed6852790b6d9df38ae059e43/CacheControl-0.12.1.tar.gz"
-      }
-    ],
-    "0.12.2": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "38667f538f36c641eb0b00d0db145823",
-          "sha256": "d7d919830d7edc5f4b355fa678a2ea49e9ccb67966abc373ec20f93f3f471265"
-        },
-        "downloads": -1,
-        "filename": "CacheControl-0.12.2.tar.gz",
-        "has_sig": false,
-        "md5_digest": "38667f538f36c641eb0b00d0db145823",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "requires_python": null,
-        "size": 14327,
-        "upload_time": "2017-03-27T15:49:21",
-        "url": "https://files.pythonhosted.org/packages/d2/6c/221f699710a6a643bd9a4324cf22ffb9fb73a089d2bfbed5fe4694f3caaf/CacheControl-0.12.2.tar.gz"
-      }
-    ],
-    "0.12.3": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "45bf98a2e3435438dcee89e519b34195",
-          "sha256": "a9fc50e216c7c101f4ec4312f012dea501c2859cb256c7a68186a172ab71f632"
-        },
-        "downloads": -1,
-        "filename": "CacheControl-0.12.3.tar.gz",
-        "has_sig": false,
-        "md5_digest": "45bf98a2e3435438dcee89e519b34195",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "requires_python": null,
-        "size": 14345,
-        "upload_time": "2017-05-25T13:49:06",
-        "url": "https://files.pythonhosted.org/packages/a3/b3/6bb6c1535a283f01fe0c4e9644784756fee2ec080e2a6097f1c59325609e/CacheControl-0.12.3.tar.gz"
-      }
-    ],
-    "0.12.4": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "464675fc575b3a0b841598cb916be516",
-          "sha256": "a7d21ba4e3633d95ac9fed5be205ee6d1da36bdc4b8914eb7a57ff50b7e5628c"
-        },
-        "downloads": -1,
-        "filename": "CacheControl-0.12.4.tar.gz",
-        "has_sig": false,
-        "md5_digest": "464675fc575b3a0b841598cb916be516",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "requires_python": null,
-        "size": 14471,
-        "upload_time": "2018-01-27T06:24:40",
-        "url": "https://files.pythonhosted.org/packages/98/f5/76619a63f0e4a1d2f5a1792ebc233a395c648c63d3461dc0331479ef120a/CacheControl-0.12.4.tar.gz"
-      }
-    ],
-    "0.12.5": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "f1baef403e8dd68c5a203e2eb23a0f2e",
-          "sha256": "cef77effdf51b43178f6a2d3b787e3734f98ade253fa3187f3bb7315aaa42ff7"
-        },
-        "downloads": -1,
-        "filename": "CacheControl-0.12.5.tar.gz",
-        "has_sig": false,
-        "md5_digest": "f1baef403e8dd68c5a203e2eb23a0f2e",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "requires_python": ">=2.7, !=3.0.*, !=3.1.*, !=3.2.*, !=3.3.*",
-        "size": 14383,
-        "upload_time": "2018-06-07T14:53:13",
-        "url": "https://files.pythonhosted.org/packages/5e/f0/2c193ed1f17c97ae539da7e1c2d48b80d8cccb1917163b26a91ca4355aa6/CacheControl-0.12.5.tar.gz"
-      }
-    ]
-  },
   "urls": [
     {
       "comment_text": "",

tests/repositories/fixtures/pypi.org/json/colorama/0.3.9.json

@@ -45,42 +45,6 @@
     "version": "0.3.9"
   },
   "last_serial": 2833818,
-  "releases": {
-    "0.3.9": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "cc0c01c7b3b34d0354d813e9ab26aca3",
-          "sha256": "463f8483208e921368c9f306094eb6f725c6ca42b0f97e313cb5d5512459feda"
-        },
-        "downloads": -1,
-        "filename": "colorama-0.3.9-py2.py3-none-any.whl",
-        "has_sig": false,
-        "md5_digest": "cc0c01c7b3b34d0354d813e9ab26aca3",
-        "packagetype": "bdist_wheel",
-        "python_version": "2.7",
-        "size": 20181,
-        "upload_time": "2017-04-27T07:12:36",
-        "url": "https://files.pythonhosted.org/packages/db/c8/7dcf9dbcb22429512708fe3a547f8b6101c0d02137acbd892505aee57adf/colorama-0.3.9-py2.py3-none-any.whl"
-      },
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "3a0e415259690f4dd7455c2683ee5850",
-          "sha256": "48eb22f4f8461b1df5734a074b57042430fb06e1d61bd1e11b078c0fe6d7a1f1"
-        },
-        "downloads": -1,
-        "filename": "colorama-0.3.9.tar.gz",
-        "has_sig": false,
-        "md5_digest": "3a0e415259690f4dd7455c2683ee5850",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "size": 25053,
-        "upload_time": "2017-04-27T07:12:12",
-        "url": "https://files.pythonhosted.org/packages/e6/76/257b53926889e2835355d74fec73d82662100135293e17d382e2b74d1669/colorama-0.3.9.tar.gz"
-      }
-    ]
-  },
   "urls": [
     {
       "comment_text": "",

tests/repositories/fixtures/pypi.org/json/funcsigs/1.0.2.json

@@ -44,42 +44,6 @@
     "version": "1.0.2"
   },
   "last_serial": 2083703,
-  "releases": {
-    "1.0.2": [
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "701d58358171f34b6d1197de2923a35a",
-          "sha256": "330cc27ccbf7f1e992e69fef78261dc7c6569012cf397db8d3de0234e6c937ca"
-        },
-        "downloads": -1,
-        "filename": "funcsigs-1.0.2-py2.py3-none-any.whl",
-        "has_sig": true,
-        "md5_digest": "701d58358171f34b6d1197de2923a35a",
-        "packagetype": "bdist_wheel",
-        "python_version": "2.7",
-        "size": 17697,
-        "upload_time": "2016-04-25T22:22:05",
-        "url": "https://files.pythonhosted.org/packages/69/cb/f5be453359271714c01b9bd06126eaf2e368f1fddfff30818754b5ac2328/funcsigs-1.0.2-py2.py3-none-any.whl"
-      },
-      {
-        "comment_text": "",
-        "digests": {
-          "md5": "7e583285b1fb8a76305d6d68f4ccc14e",
-          "sha256": "a7bb0f2cf3a3fd1ab2732cb49eba4252c2af4240442415b4abce3b87022a8f50"
-        },
-        "downloads": -1,
-        "filename": "funcsigs-1.0.2.tar.gz",
-        "has_sig": true,
-        "md5_digest": "7e583285b1fb8a76305d6d68f4ccc14e",
-        "packagetype": "sdist",
-        "python_version": "source",
-        "size": 27947,
-        "upload_time": "2016-04-25T22:22:33",
-        "url": "https://files.pythonhosted.org/packages/94/4a/db842e7a0545de1cdb0439bb80e6e42dfe82aaeaadd4072f2263a4fbed23/funcsigs-1.0.2.tar.gz"
-      }
-    ]
-  },
   "urls": [
     {
       "comment_text": "",