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import json
import locale
import os
import re
import subprocess
from collections import namedtuple
from os.path import expanduser
import requests
Features = namedtuple(
"Features",
[
"title",
"body",
"pr_number",
"files_changed",
"labels",
],
)
def dict_to_features(dct):
return Features(
title=dct["title"],
body=dct["body"],
pr_number=dct["pr_number"],
files_changed=dct["files_changed"],
labels=dct["labels"],
)
def features_to_dict(features):
return dict(features._asdict())
def run(command):
"""Returns (return-code, stdout, stderr)"""
p = subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True)
output, err = p.communicate()
rc = p.returncode
enc = locale.getpreferredencoding()
output = output.decode(enc)
err = err.decode(enc)
return rc, output.strip(), err.strip()
def commit_body(commit_hash):
cmd = f"git log -n 1 --pretty=format:%b {commit_hash}"
ret, out, err = run(cmd)
return out if ret == 0 else None
def commit_title(commit_hash):
cmd = f"git log -n 1 --pretty=format:%s {commit_hash}"
ret, out, err = run(cmd)
return out if ret == 0 else None
def commit_files_changed(commit_hash):
cmd = f"git diff-tree --no-commit-id --name-only -r {commit_hash}"
ret, out, err = run(cmd)
return out.split("\n") if ret == 0 else None
def parse_pr_number(body, commit_hash, title):
regex = r"(#[0-9]+)"
matches = re.findall(regex, title)
if len(matches) == 0:
if "revert" not in title.lower() and "updating submodules" not in title.lower():
print(f"[{commit_hash}: {title}] Could not parse PR number, ignoring PR")
return None
if len(matches) > 1:
print(f"[{commit_hash}: {title}] Got two PR numbers, using the last one")
return matches[-1][1:]
return matches[0][1:]
def get_ghstack_token():
pattern = "github_oauth = (.*)"
with open(expanduser("~/.ghstackrc"), "r+") as f:
config = f.read()
matches = re.findall(pattern, config)
if len(matches) == 0:
raise RuntimeError("Can't find a github oauth token")
return matches[0]
token = get_ghstack_token()
headers = {"Authorization": f"token {token}"}
def run_query(query):
request = requests.post("https://api.github.com/graphql", json={"query": query}, headers=headers)
if request.status_code == 200:
return request.json()
else:
raise Exception(f"Query failed to run by returning code of {request.status_code}. {query}")
def gh_labels(pr_number):
query = f"""
{{
repository(owner: "pytorch", name: "vision") {{
pullRequest(number: {pr_number}) {{
labels(first: 10) {{
edges {{
node {{
name
}}
}}
}}
}}
}}
}}
"""
query = run_query(query)
edges = query["data"]["repository"]["pullRequest"]["labels"]["edges"]
return [edge["node"]["name"] for edge in edges]
def get_features(commit_hash, return_dict=False):
title, body, files_changed = (
commit_title(commit_hash),
commit_body(commit_hash),
commit_files_changed(commit_hash),
)
pr_number = parse_pr_number(body, commit_hash, title)
labels = []
if pr_number is not None:
labels = gh_labels(pr_number)
result = Features(title, body, pr_number, files_changed, labels)
if return_dict:
return features_to_dict(result)
return result
class CommitDataCache:
def __init__(self, path="results/data.json"):
self.path = path
self.data = {}
if os.path.exists(path):
self.data = self.read_from_disk()
def get(self, commit):
if commit not in self.data.keys():
# Fetch and cache the data
self.data[commit] = get_features(commit)
self.write_to_disk()
return self.data[commit]
def read_from_disk(self):
with open(self.path) as f:
data = json.load(f)
data = {commit: dict_to_features(dct) for commit, dct in data.items()}
return data
def write_to_disk(self):
data = {commit: features._asdict() for commit, features in self.data.items()}
with open(self.path, "w") as f:
json.dump(data, f)
def get_commits_between(base_version, new_version):
cmd = f"git merge-base {base_version} {new_version}"
rc, merge_base, _ = run(cmd)
assert rc == 0
# Returns a list of something like
# b33e38ec47 Allow a higher-precision step type for Vec256::arange (#34555)
cmd = f"git log --reverse --oneline {merge_base}..{new_version}"
rc, commits, _ = run(cmd)
assert rc == 0
log_lines = commits.split("\n")
hashes, titles = zip(*[log_line.split(" ", 1) for log_line in log_lines])
return hashes, titles
def convert_to_dataframes(feature_list):
import pandas as pd
df = pd.DataFrame.from_records(feature_list, columns=Features._fields)
return df
def main(base_version, new_version):
hashes, titles = get_commits_between(base_version, new_version)
cdc = CommitDataCache("data.json")
for idx, commit in enumerate(hashes):
if idx % 10 == 0:
print(f"{idx} / {len(hashes)}")
cdc.get(commit)
return cdc
if __name__ == "__main__":
# d = get_features('2ab93592529243862ce8ad5b6acf2628ef8d0dc8')
# print(d)
# hashes, titles = get_commits_between("tags/v0.9.0", "fc852f3b39fe25dd8bf1dedee8f19ea04aa84c15")
# Usage: change the tags below accordingly to the current release, then save the json with
# cdc.write_to_disk().
# Then you can use classify_prs.py (as a notebook)
# to open the json and generate the release notes semi-automatically.
cdc = main("tags/v0.9.0", "fc852f3b39fe25dd8bf1dedee8f19ea04aa84c15")
from IPython import embed
embed()
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