-
Merged pull requests
- by laurmaedje or reknih β Purple dots
- by other human contributors β Blue dots
- by dependabot β not drawn
-
Closed pull requests β Gray dots
-
Open pull requests β Green dots
For unmerged (closed/open) PRs, durations cannot be defined, and their y coordinates in the figure are random.
Python scripts
fetch_data.py
Requires GitHub CLI.
from pathlib import Path
from pprint import pprint
from subprocess import run
import json
file = Path("data.jsonl")
query = """
query($cursor: String) {
repository(owner: "typst", name: "typst") {
pullRequests(first: 100, after: $cursor, orderBy: {field: CREATED_AT, direction: ASC}) {
pageInfo {
hasNextPage
endCursor
}
nodes {
number
title
state
createdAt
mergedAt
author {
login
}
}
}
}
}
""".strip()
page: dict | None = None
while page is None or page["hasNextPage"]:
result = run(
["gh", "api", "graphql", "--raw-field", f"query={query}"]
+ (["--field", f"cursor={page['endCursor']}"] if page else []),
text=True,
check=True,
capture_output=True,
)
data = json.loads(result.stdout)["data"]["repository"]["pullRequests"]
page = data["pageInfo"]
pulls = data["nodes"]
pprint(page)
for p in pulls:
pprint(p)
with file.open("a", encoding="utf-8") as f:
f.write(json.dumps(p) + "\n")
plot_data.py
# /// script
# requires-python = ">=3.12"
# dependencies = [
# "matplotlib",
# ]
# ///
import json
import random
from collections import deque
from dataclasses import dataclass
from datetime import datetime, timedelta
from pathlib import Path
from matplotlib.pyplot import subplots
random.seed(42)
file = Path("data.jsonl")
@dataclass
class Record:
createdAt: datetime
duration: timedelta
merged_pulls: deque[Record] = deque()
staff_pulls: deque[Record] = deque()
closed_pulls: deque[datetime] = deque()
open_pulls: deque[datetime] = deque()
staff = ["laurmaedje", "reknih"]
bot = ["dependabot"]
with file.open(encoding="utf-8") as f:
while line := f.readline():
row = json.loads(line)
createdAt = datetime.fromisoformat(row["createdAt"])
author: dict | None = row["author"]
if author is not None and author["login"] in bot:
# `author` might be `None`
# See https://github.com/ghost and https://github.com/typst/typst/pull/1047
continue
match row["state"]:
case "MERGED":
mergedAt = datetime.fromisoformat(row["mergedAt"])
duration = mergedAt - createdAt
record = Record(createdAt=createdAt, duration=duration)
if author is not None and author["login"] in staff:
staff_pulls.append(record)
else:
merged_pulls.append(record)
case "CLOSED":
# This PR is not merged (closed or still open)
closed_pulls.append(createdAt)
case "OPEN":
open_pulls.append(createdAt)
xticks = [
# https://typst.app/blog/2023/january-update
(datetime(2023, 1, 29), None),
# https://typst.app/blog/2023/beta-oss-launch
(datetime(2023, 3, 21), "public beta\n(2023-03-21)"),
# https://typst.app/docs/changelog/0.1.0/
(datetime(2023, 4, 4), None),
# https://typst.app/docs/changelog/0.2.0/
(datetime(2023, 4, 11), None),
# https://typst.app/docs/changelog/0.3.0/
(datetime(2023, 4, 26), None),
# https://typst.app/docs/changelog/0.4.0/
(datetime(2023, 5, 20), None),
# https://typst.app/docs/changelog/0.5.0/
(datetime(2023, 6, 9), None),
# https://typst.app/docs/changelog/0.6.0/
(datetime(2023, 6, 30), None),
# https://typst.app/docs/changelog/0.7.0/
(datetime(2023, 8, 7), "v0.7.0"),
# https://typst.app/docs/changelog/0.8.0/
(datetime(2023, 9, 13), None),
# https://typst.app/docs/changelog/0.9.0/
(datetime(2023, 10, 31), None),
# https://typst.app/docs/changelog/0.10.0/
(datetime(2023, 12, 4), "v0.10.0\n(2023-12-04)"),
# https://typst.app/docs/changelog/0.11.0/
(datetime(2024, 3, 15), None),
# https://typst.app/docs/changelog/0.11.1/
(datetime(2024, 5, 17), "v0.11.1"),
# https://typst.app/blog/2024/typst-0.12
(datetime(2024, 10, 18), "v0.12.0\n(2024-10-18)"),
# https://typst.app/blog/2025/typst-0.13
(datetime(2025, 2, 19), None),
# https://typst.app/docs/changelog/0.13.1/
(datetime(2025, 3, 7), "v0.13.1"),
(datetime.now(), f"now\n({datetime.now().date().isoformat()})"),
]
duration_min = min(r.duration for r in merged_pulls)
duration_max = max(r.duration for r in merged_pulls)
yticks = [
(duration_min, f"{duration_min / timedelta(seconds=1):.0f} sec. (min)"),
(timedelta(days=1), "a day"),
(timedelta(days=3), "3 days"),
(timedelta(weeks=1), "a week"),
(timedelta(weeks=2), "2 weeks"),
(timedelta(weeks=4), "4 weeks"),
(timedelta(days=30 * 2), "2 months"),
(timedelta(days=30 * 4), "4 months"),
(duration_max, f"{duration_max / timedelta(days=30):.2} mon. (max)"),
]
fig, ax = subplots(layout="constrained")
ax.set_title(
"Pull requests to typst/typst",
fontsize="xx-large",
fontweight="black",
)
ax.set_xlabel(
"Date of creation",
fontsize="large",
fontweight="bold",
)
ax.set_ylabel(
"Duration before merged",
fontsize="large",
fontweight="bold",
)
merged_x = [r.createdAt for r in merged_pulls]
merged_y = [r.duration.total_seconds() for r in merged_pulls]
staff_x = [r.createdAt for r in staff_pulls]
staff_y = [r.duration.total_seconds() for r in staff_pulls]
ylim = (0, max(merged_y) * 3)
ax.scatter(merged_x, merged_y, marker="o", color="#239dad", alpha=0.5, s=8)
ax.scatter(staff_x, staff_y, marker="o", color="purple", alpha=0.5, s=8)
for pulls, color in [(closed_pulls, "gray"), (open_pulls, "green")]:
ax.scatter(
list(pulls),
[
random.uniform(
yticks[-1][0].total_seconds() * 1.1,
ylim[1] / 3 * 2.9,
)
for _ in pulls
],
marker="o",
color=color,
alpha=0.5,
s=8,
)
ax.set_yscale("symlog", linthresh=yticks[3][0].total_seconds())
ax.set(
xlim=(xticks[0][0], xticks[-1][0]),
xticks=[t for t, s in xticks if s],
xticklabels=[s for _t, s in xticks if s],
ylim=ylim,
yticks=[t[0].total_seconds() for t in yticks],
yticklabels=(t[1] for t in yticks),
)
ax.set_xticks([t for t, s in xticks if not s], minor=True)
ax.grid(axis="x", which="major")
ax.grid(axis="x", which="minor", linewidth=1 / 4)
ax.grid(axis="y", which="major")
fig.savefig(Path(__file__).with_suffix(".png"))
data.jsonl.7z.pretended-to-be-csv.csv (70.0 KB)
I wish I could plot in typst, but typst doesnβt provide a reliable way to handle date+time objects (parsing ISO format, shifting timezone, etc.) yetβ¦
