Implement get_pr_diff for Pagure

Needed for packit/packit-service#2271

COMPATIBILITY.md

@@ -61,6 +61,7 @@ In case you find any error, please [create a new issue](https://github.com/packi
 | `add_group`                 |   ✘    |   ✘    |           ✔            |
 | `remove_group`              |   ✘    |   ✘    |           ✔            |
 | `which_groups_can_merge_pr` |   ✘    |   ✘    |           ✔            |
+| `get_pr_files_diff`         |   ✘    |   ✘    |           ✔            |
 
 ## User
 

ogr/abstract.py

@@ -1688,6 +1688,18 @@ def get_pr(self, pr_id: int) -> "PullRequest":
         """
         raise NotImplementedError()
 
+    def get_pr_files_diff(self, pr_id: int) -> dict:
+        """
+        Get files diff of a pull request.
+
+        Args:
+            pr_id: ID of the pull request.
+
+        Returns:
+            Dictionary representing files diff.
+        """
+        raise NotImplementedError()
+
     def get_tags(self) -> list["GitTag"]:
         """
         Returns:

ogr/services/pagure/project.py

@@ -275,6 +275,10 @@ def get_pr_list(
     def get_pr(self, pr_id: int) -> PullRequest:
         pass
 
+    @indirect(PagurePullRequest.get_files_diff)
+    def get_pr_files_diff(self, pr_id: int) -> dict:
+        pass
+
     @if_readonly(return_function=GitProjectReadOnly.create_pr)
     @indirect(PagurePullRequest.create)
     def create_pr(

ogr/services/pagure/pull_request.py

@@ -190,6 +190,20 @@ def get(project: "ogr_pagure.PagureProject", pr_id: int) -> "PullRequest":
         raw_pr = project._call_project_api("pull-request", str(pr_id))
         return PagurePullRequest(raw_pr, project)
 
+    @staticmethod
+    def get_files_diff(project: "ogr_pagure.PagureProject", pr_id: int) -> dict:
+        try:
+            return project._call_project_api(
+                "pull-request",
+                str(pr_id),
+                "diffstats",
+                method="GET",
+            )
+        except PagureAPIException as ex:
+            if "No statistics" in ex.pagure_error:
+                return {}
+            raise ex
+
     @staticmethod
     def get_list(
         project: "ogr_pagure.PagureProject",

tests/integration/pagure/test_data/test_pull_requests/PullRequests.test_pr_diff.yaml

@@ -0,0 +1,118 @@
+_requre:
+  DataTypes: 1
+  key_strategy: StorageKeysInspectSimple
+  version_storage_file: 3
+requests.sessions:
+  send:
+    GET:
+      https://pagure.io/api/0/ogr-tests/pull-request/13/diffstats:
+      - metadata:
+          latency: 0.2961406707763672
+          module_call_list:
+          - unittest.case
+          - requre.record_and_replace
+          - tests.integration.pagure.test_pull_requests
+          - ogr.abstract
+          - ogr.utils
+          - ogr.abstract
+          - ogr.services.pagure.pull_request
+          - ogr.abstract
+          - ogr.services.pagure.project
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - requests.sessions
+          - requre.objects
+          - requre.cassette
+          - requests.sessions
+          - send
+        output:
+          __store_indicator: 2
+          _content:
+            README.md:
+              lines_added: 5
+              lines_removed: 1
+              new_id: 3953698d00a5c8c8ef0582a05083a242beca4033
+              old_id: a40a52a2ba46ddf4f9a4ecd04b47f717573467a6
+              old_path: README.md
+              status: M
+          _next: null
+          elapsed: 0.2
+          encoding: utf-8
+          headers:
+            Connection: Keep-Alive
+            Content-Length: '239'
+            Content-Security-Policy: default-src 'self';script-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne'
+              https://apps.fedoraproject.org; style-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne';
+              object-src 'none';base-uri 'self';img-src 'self' https:;
+            Content-Type: application/json
+            Date: Fri, 01 Nov 2019 13-36-03 GMT
+            Keep-Alive: timeout=5, max=99
+            Referrer-Policy: same-origin
+            Server: Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k mod_wsgi/4.6.4
+              Python/3.6
+            Set-Cookie: pagure=eyJfcGVybWFuZW50Ijp0cnVlLCJjc3JmX3Rva2VuIjoiOGRjYjBkOTVmZWVhYTdjMjhjNmNkNWNhN2ZlZmFmNGE3ZjMxZDliMSJ9.GFnCeg.6mYem_Ppb-t6pkIsrmcLGfZk3jg;
+              Expires=Fri, 12-Jan-2024 10:07:54 GMT; Secure; HttpOnly; Path=/
+            Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
+            X-Content-Type-Options: nosniff
+            X-Frame-Options: ALLOW-FROM https://pagure.io/
+            X-Xss-Protection: 1; mode=block
+          raw: !!binary ""
+          reason: OK
+          status_code: 200
+    POST:
+      https://pagure.io/api/0/-/whoami:
+      - metadata:
+          latency: 0.8561291694641113
+          module_call_list:
+          - unittest.case
+          - requre.record_and_replace
+          - tests.integration.pagure.test_pull_requests
+          - tests.integration.pagure.base
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.user
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - requests.sessions
+          - requre.objects
+          - requre.cassette
+          - requests.sessions
+          - send
+        output:
+          __store_indicator: 2
+          _content:
+            username: lbarczio
+          _next: null
+          elapsed: 0.2
+          encoding: utf-8
+          headers:
+            Connection: Upgrade, Keep-Alive
+            Content-Length: '29'
+            Content-Security-Policy: default-src 'self';script-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne'
+              https://apps.fedoraproject.org; style-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne';
+              object-src 'none';base-uri 'self';img-src 'self' https:;
+            Content-Type: application/json
+            Date: Fri, 01 Nov 2019 13-36-03 GMT
+            Keep-Alive: timeout=5, max=100
+            Referrer-Policy: same-origin
+            Server: Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k mod_wsgi/4.6.4
+              Python/3.6
+            Set-Cookie: pagure=eyJfcGVybWFuZW50Ijp0cnVlLCJjc3JmX3Rva2VuIjoiOGRjYjBkOTVmZWVhYTdjMjhjNmNkNWNhN2ZlZmFmNGE3ZjMxZDliMSJ9.GFnCeQ.AxPTspgeBuxKKhTR48bGrHZf2lE;
+              Expires=Fri, 12-Jan-2024 10:07:53 GMT; Secure; HttpOnly; Path=/
+            Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
+            Upgrade: h2,h2c
+            X-Content-Type-Options: nosniff
+            X-Frame-Options: ALLOW-FROM https://pagure.io/
+            X-Xss-Protection: 1; mode=block
+          raw: !!binary ""
+          reason: OK
+          status_code: 200

tests/integration/pagure/test_data/test_pull_requests/PullRequests.test_pr_diff_empty_diff.yaml

@@ -0,0 +1,112 @@
+_requre:
+  DataTypes: 1
+  key_strategy: StorageKeysInspectSimple
+  version_storage_file: 3
+requests.sessions:
+  send:
+    GET:
+      https://pagure.io/api/0/ogr-tests/pull-request/6/diffstats:
+      - metadata:
+          latency: 0.2965199947357178
+          module_call_list:
+          - unittest.case
+          - requre.record_and_replace
+          - tests.integration.pagure.test_pull_requests
+          - ogr.abstract
+          - ogr.utils
+          - ogr.abstract
+          - ogr.services.pagure.pull_request
+          - ogr.abstract
+          - ogr.services.pagure.project
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - requests.sessions
+          - requre.objects
+          - requre.cassette
+          - requests.sessions
+          - send
+        output:
+          __store_indicator: 2
+          _content:
+            error: No statistics could be computed for this PR
+            error_code: ENOPRSTATS
+          _next: null
+          elapsed: 0.2
+          encoding: utf-8
+          headers:
+            Connection: close
+            Content-Length: '92'
+            Content-Security-Policy: default-src 'self';script-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne'
+              https://apps.fedoraproject.org; style-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne';
+              object-src 'none';base-uri 'self';img-src 'self' https:;
+            Content-Type: application/json
+            Date: Fri, 01 Nov 2019 13-36-03 GMT
+            Referrer-Policy: same-origin
+            Server: Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k mod_wsgi/4.6.4
+              Python/3.6
+            Set-Cookie: pagure=eyJfcGVybWFuZW50Ijp0cnVlLCJjc3JmX3Rva2VuIjoiMzU0YmExMTNlMWFhMGU0MzliZDFjN2UwZGY3ODg4OTBjODdhMzkwMSJ9.GFnGGw.MvcSSJ61ycB9FCodU3kj9hWZeGY;
+              Expires=Fri, 12-Jan-2024 10:23:23 GMT; Secure; HttpOnly; Path=/
+            Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
+            X-Content-Type-Options: nosniff
+            X-Frame-Options: ALLOW-FROM https://pagure.io/
+            X-Xss-Protection: 1; mode=block
+          raw: !!binary ""
+          reason: BAD REQUEST
+          status_code: 400
+    POST:
+      https://pagure.io/api/0/-/whoami:
+      - metadata:
+          latency: 0.565004825592041
+          module_call_list:
+          - unittest.case
+          - requre.record_and_replace
+          - tests.integration.pagure.test_pull_requests
+          - tests.integration.pagure.base
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.user
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - ogr.abstract
+          - ogr.services.pagure.service
+          - requests.sessions
+          - requre.objects
+          - requre.cassette
+          - requests.sessions
+          - send
+        output:
+          __store_indicator: 2
+          _content:
+            username: lbarczio
+          _next: null
+          elapsed: 0.2
+          encoding: utf-8
+          headers:
+            Connection: Upgrade, Keep-Alive
+            Content-Length: '29'
+            Content-Security-Policy: default-src 'self';script-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne'
+              https://apps.fedoraproject.org; style-src 'self' 'nonce-YqLDC0BS8d7iY8mKO7VtBbIne';
+              object-src 'none';base-uri 'self';img-src 'self' https:;
+            Content-Type: application/json
+            Date: Fri, 01 Nov 2019 13-36-03 GMT
+            Keep-Alive: timeout=5, max=100
+            Referrer-Policy: same-origin
+            Server: Apache/2.4.37 (Red Hat Enterprise Linux) OpenSSL/1.1.1k mod_wsgi/4.6.4
+              Python/3.6
+            Set-Cookie: pagure=eyJfcGVybWFuZW50Ijp0cnVlLCJjc3JmX3Rva2VuIjoiMzU0YmExMTNlMWFhMGU0MzliZDFjN2UwZGY3ODg4OTBjODdhMzkwMSJ9.GFnGGw.MvcSSJ61ycB9FCodU3kj9hWZeGY;
+              Expires=Fri, 12-Jan-2024 10:23:23 GMT; Secure; HttpOnly; Path=/
+            Strict-Transport-Security: max-age=31536000; includeSubDomains; preload
+            Upgrade: h2,h2c
+            X-Content-Type-Options: nosniff
+            X-Frame-Options: ALLOW-FROM https://pagure.io/
+            X-Xss-Protection: 1; mode=block
+          raw: !!binary ""
+          reason: OK
+          status_code: 200

tests/integration/pagure/test_pull_requests.py

@@ -118,3 +118,13 @@ def test_commits_url(self):
     def test_get_comment(self):
         comment = self.ogr_project.get_pr(5).get_comment(comment_id=162373)
         assert "Billy: what the hell is going on up there?" in comment.body
+
+    def test_pr_diff(self):
+        diff = self.ogr_project.get_pr_files_diff(13)
+        assert isinstance(diff, dict)
+        assert "README.md" in diff
+
+    def test_pr_diff_empty_diff(self):
+        diff = self.ogr_project.get_pr_files_diff(6)
+        assert isinstance(diff, dict)
+        assert diff == {}