Add script to automatically generate acknowledgment

NEWS.md

@@ -135,7 +135,9 @@ Python 2.x is reaching its end-of-life at the end of this year. [Many scientific
 * Add R vignette about parsing JSON dumps (#4439)
 
 ### Acknowledgement
-[TBD]
+**Contributors**: Nan Zhu (@CodingCat), Adam Pocock (@Craigacp), Daniel Hen (@Daniel8hen), Jiaxiang Li (@JiaxiangBU), Rory Mitchell (@RAMitchell), Egor Smirnov (@SmirnovEgorRu), Andy Adinets (@canonizer), Jonas (@elcombato), Harry Braviner (@harrybraviner), Philip Hyunsu Cho (@hcho3), Tong He (@hetong007), James Lamb (@jameslamb), Jean-Francois Zinque (@jeffzi), Yang Yang (@jokerkeny), Mayank Suman (@mayanksuman), jess (@monkeywithacupcake), Hajime Morrita (@omo), Ravi Kalia (@project-delphi), @ras44, Rong Ou (@rongou), Shaochen Shi (@shishaochen), Xu Xiao (@sperlingxx), @sriramch, Jiaming Yuan (@trivialfis), Christopher Suchanek (@wsuchy), Bozhao (@yubozhao)
+
+**Reviewers**: Nan Zhu (@CodingCat), Adam Pocock (@Craigacp), Daniel Hen (@Daniel8hen), Jiaxiang Li (@JiaxiangBU), Laurae (@Laurae2), Rory Mitchell (@RAMitchell), Egor Smirnov (@SmirnovEgorRu), @alois-bissuel, Andy Adinets (@canonizer), Chen Qin (@chenqin), Codecov (@codecov-io), Harry Braviner (@harrybraviner), Philip Hyunsu Cho (@hcho3), Tong He (@hetong007), @jakirkham, James Lamb (@jameslamb), Julien Schueller (@jschueller), Mayank Suman (@mayanksuman), Hajime Morrita (@omo), Rong Ou (@rongou), Sara Robinson (@sararob), Shaochen Shi (@shishaochen), Xu Xiao (@sperlingxx), @sriramch, Sean Owen (@srowen), Sergei Lebedev (@superbobry), Yuan (Terry) Tang (@terrytangyuan), Theodore Vasiloudis (@thvasilo), Matthew Tovbin (@tovbinm), Jiaming Yuan (@trivialfis), Xin Yin (@xydrolase)
 
 ## v0.82 (2019.03.03)
 This release is packed with many new features and bug fixes.

dev/query_contributors.py

@@ -0,0 +1,63 @@
+"""Query list of all contributors and reviewers in a release"""
+
+from sh.contrib import git
+import sys
+import re
+import requests
+import json
+
+if len(sys.argv) != 5:
+    print(f'Usage: {sys.argv[0]} [starting commit/tag] [ending commit/tag] [GitHub username] [GitHub password]')
+    sys.exit(1)
+
+from_commit = sys.argv[1]
+to_commit = sys.argv[2]
+username = sys.argv[3]
+password = sys.argv[4]
+
+contributors = set()
+reviewers = set()
+
+for line in git.log(f'{from_commit}..{to_commit}', '--pretty=format:%s', '--reverse'):
+    m = re.search('\(#([0-9]+)\)', line.rstrip())
+    if m:
+        pr_id = m.group(1)
+        print(f'PR #{pr_id}')
+
+        r = requests.get(f'https://api.github.com/repos/dmlc/xgboost/pulls/{pr_id}/commits', auth=(username, password))
+        assert r.status_code == requests.codes.ok, f'Code: {r.status_code}, Text: {r.text}'
+        commit_list = json.loads(r.text)
+        try:
+            contributors.update([commit['author']['login'] for commit in commit_list])
+        except TypeError:
+            contributors.update(str(input(f'Error fetching contributors for PR #{pr_id}. Enter it manually, as a space-separated list:')).split(' '))
+
+        r = requests.get(f'https://api.github.com/repos/dmlc/xgboost/pulls/{pr_id}/reviews', auth=(username, password))
+        assert r.status_code == requests.codes.ok, f'Code: {r.status_code}, Text: {r.text}'
+        review_list = json.loads(r.text)
+        reviewers.update([x['user']['login'] for x in review_list])
+
+        r = requests.get(f'https://api.github.com/repos/dmlc/xgboost/issues/{pr_id}/comments', auth=(username, password))
+        assert r.status_code == requests.codes.ok, f'Code: {r.status_code}, Text: {r.text}'
+        comment_list = json.loads(r.text)
+        reviewers.update([x['user']['login'] for x in comment_list])
+
+print('Contributors:', end='')
+for x in sorted(contributors):
+    r = requests.get(f'https://api.github.com/users/{x}', auth=(username, password))
+    assert r.status_code == requests.codes.ok, f'Code: {r.status_code}, Text: {r.text}'
+    user_info = json.loads(r.text)
+    if user_info['name'] is None:
+        print(f"@{x}, ", end='')
+    else:
+        print(f"{user_info['name']} (@{x}), ", end='')
+
+print('Reviewers:', end='')
+for x in sorted(reviewers):
+    r = requests.get(f'https://api.github.com/users/{x}', auth=(username, password))
+    assert r.status_code == requests.codes.ok, f'Code: {r.status_code}, Text: {r.text}'
+    user_info = json.loads(r.text)
+    if user_info['name'] is None:
+        print(f"@{x}, ", end='')
+    else:
+        print(f"{user_info['name']} (@{x}), ", end='')