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#!/usr/bin/env python3
import re
import sys
import click
import pyperclip
from colorama import Fore, init
# Initialize colorama for color support in terminal
init(autoreset=True)
# Regular expression pattern to match the required lines
PATTERN = re.compile(r"^\*\s*(.*?)\s+by\s+@[\w-]+\s+in\s+https://github\.com/[\w-]+/[\w-]+/pull/(\d+)")
def read_changes_file(filename):
try:
with open(filename) as f:
return f.readlines()
except FileNotFoundError:
print(f"Error: {filename} file not found.")
sys.exit(1)
def read_from_clipboard():
text = pyperclip.paste()
return text.splitlines()
def process_line(line):
line = line.strip()
# Skip lines containing '[pre-commit.ci]'
if "[pre-commit.ci]" in line:
return None
# Skip lines starting with '## What's Changed'
if line.startswith("## What's Changed"):
return None
# Stop processing if '## New Contributors' is encountered
if line.startswith("## New Contributors"):
return "STOP_PROCESSING"
# Skip lines that don't start with '* '
if not line.startswith("* "):
return None
match = PATTERN.match(line)
if match:
description, pr_number = match.groups()
return f"- {description} (#{pr_number})"
return None
@click.command()
@click.option(
"--source",
"-s",
type=click.Path(exists=True),
help="Source file to read from. If not provided, reads from clipboard.",
)
@click.option(
"--dest",
"-d",
type=click.File("w"),
default="-",
help="Destination file to write to. Defaults to standard output.",
)
@click.option(
"--clipboard",
"-c",
is_flag=True,
help="Read input from clipboard explicitly.",
)
def main(source, dest, clipboard):
# Determine the source of input
if clipboard or (not source and not sys.stdin.isatty()):
# Read from clipboard
lines = read_from_clipboard()
elif source:
# Read from specified file
lines = read_changes_file(source)
else:
# Default: read from clipboard
lines = read_from_clipboard()
output_lines = []
for line in lines:
output_line = process_line(line)
if output_line == "STOP_PROCESSING":
break
if output_line:
output_lines.append(output_line)
output_text = "\n".join(output_lines)
# Prepare the header
version = "x.y.z"
underline = "=" * len(version)
header = f"""
.. _version-{version}:
{version}
{underline}
:release-date: <YYYY-MM-DD>
:release-by: <FULL NAME>
What's Changed
~~~~~~~~~~~~~~
"""
# Combine header and output
final_output = header + output_text
# Write output to destination
if dest.name == "<stdout>":
print(Fore.GREEN + "Copy the following text to Changelog.rst:")
print(Fore.YELLOW + header)
print(Fore.CYAN + output_text)
else:
dest.write(final_output + "\n")
dest.close()
if __name__ == "__main__":
main()
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