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sqlfluff/util.py

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#!/usr/bin/env python
"""Utility strings for use during deployment.
NB: This is not part of the core sqlfluff code.
"""
# This contains various utility scripts
import os
import re
import shutil
import time
import click
from fastcore.net import HTTPError
from ghapi.all import GhApi
@click.group()
def cli():
"""Launch the utility cli."""
pass
@cli.command()
@click.option("--path", default=".test-reports")
def clean_tests(path):
"""Clear up the tests directory.
NB: Using scripts allows platform independence
Makes a new one afterward
"""
try:
shutil.rmtree(path)
click.echo(f"Removed {path!r}...")
# OSError is for python 27
# in py36 its FileNotFoundError (but that inherits from IOError, which exists in
# py27)
except OSError:
click.echo(f"Directory {path!r} does not exist. Skipping...")
os.mkdir(path)
click.echo(f"Created {path!r}")
@cli.command()
@click.argument("new_version_num")
def release(new_version_num):
"""Change version number in the cfg files.
NOTE: For fine grained personal access tokens, this requires
_write_ access to the "contents" scope. For dome reason, if you
only grant the _read_ access, you can't see any *draft* PRs
which are necessary for this script to run.
"""
api = GhApi(
owner=os.environ["GITHUB_REPOSITORY_OWNER"],
repo="sqlfluff",
token=os.environ["GITHUB_TOKEN"],
)
try:
releases = api.repos.list_releases(per_page=100)
except HTTPError as err:
raise click.UsageError(
"HTTP Error from GitHub API. Check your credentials.\n"
"(i.e. GITHUB_REPOSITORY_OWNER & GITHUB_TOKEN)\n"
f"{err}"
)
latest_draft_release = None
for rel in releases:
if rel["draft"]:
latest_draft_release = rel
break
if not latest_draft_release:
raise click.UsageError(
"No draft release found on GitHub.\n"
"This could be because the GitHub action which generates it is broken, "
"but is more likely due to using an API token which only has read-only "
"access to the `sqlfluff/sqlfluff` repository. This script requires an "
"API token with `read and write` access to the `contents` scope in "
"order to be able to view draft releases."
)
# Pre-releases are identifiable because they contain letters.
# https://peps.python.org/pep-0440/
is_pre_release = any(char.isalpha() for char in new_version_num)
click.echo(
f"Preparing for release {new_version_num}. (Pre-release: {is_pre_release})"
)
# Linkify the PRs and authors
draft_body_parts = latest_draft_release["body"].split("\n")
potential_new_contributors = []
for i, p in enumerate(draft_body_parts):
draft_body_parts[i] = re.sub(
r"\(#([0-9]*)\) @([^ ]*)$",
r"[#\1](https://github.com/sqlfluff/sqlfluff/pull/\1) [@\2](https://github.com/\2)", # noqa E501
p,
)
new_contrib_string = re.sub(
r".*\(#([0-9]*)\) @([^ ]*)$",
r"* [@\2](https://github.com/\2) made their first contribution in [#\1](https://github.com/sqlfluff/sqlfluff/pull/\1)", # noqa E501
p,
)
if new_contrib_string.startswith("* "):
new_contrib_name = re.sub(r"\* \[(.*?)\].*", r"\1", new_contrib_string)
potential_new_contributors.append(
{"name": new_contrib_name, "line": new_contrib_string}
)
whats_changed_text = "\n".join(draft_body_parts)
# Find the first commit for each contributor in this release
potential_new_contributors.reverse()
seen_contributors = set()
deduped_potential_new_contributors = []
for c in potential_new_contributors:
if c["name"] not in seen_contributors:
seen_contributors.add(c["name"])
deduped_potential_new_contributors.append(c)
click.echo("Updating CHANGELOG.md...")
input_changelog = open("CHANGELOG.md", encoding="utf8").readlines()
write_changelog = open("CHANGELOG.md", "w", encoding="utf8")
for i, line in enumerate(input_changelog):
write_changelog.write(line)
if "DO NOT DELETE THIS LINE" in line:
existing_entry_start = i + 2
new_heading = f"## [{new_version_num}] - {time.strftime('%Y-%m-%d')}\n"
# If the release is already in the changelog, update it
if f"## [{new_version_num}]" in input_changelog[existing_entry_start]:
click.echo(f"...found existing entry for {new_version_num}")
# Update the existing heading with the new date.
input_changelog[existing_entry_start] = new_heading
# Delete the existing Whats Changed and New Contributors sections
remaining_changelog = input_changelog[existing_entry_start:]
existing_whats_changed_start = (
next(
j
for j, line in enumerate(remaining_changelog)
if line.startswith("## Whats Changed")
)
+ existing_entry_start
)
existing_new_contributors_start = (
next(
j
for j, line in enumerate(remaining_changelog)
if line.startswith("## New Contributors")
)
+ existing_entry_start
)
existing_new_contributors_length = (
next(
j
for j, line in enumerate(
input_changelog[existing_new_contributors_start:]
)
if line.startswith("## [")
)
- 1
)
del input_changelog[
existing_whats_changed_start : existing_new_contributors_start
+ existing_new_contributors_length
]
# Now that we've cleared the previous sections, we will accurately
# find if contributors have been previously mentioned in the changelog
new_contributor_lines = []
input_changelog_str = "".join(
input_changelog[existing_whats_changed_start:]
)
for c in deduped_potential_new_contributors:
if c["name"] not in input_changelog_str:
new_contributor_lines.append(c["line"])
input_changelog[existing_whats_changed_start] = (
whats_changed_text
+ "\n\n## New Contributors\n"
+ "\n".join(new_contributor_lines)
+ "\n\n"
)
else:
click.echo(f"...creating new entry for {new_version_num}")
write_changelog.write(f"\n{new_heading}\n## Highlights\n\n")
write_changelog.write(whats_changed_text)
write_changelog.write("\n## New Contributors\n\n")
# Ensure contributor names don't appear in input_changelog list
new_contributor_lines = []
input_changelog_str = "".join(input_changelog)
for c in deduped_potential_new_contributors:
if c["name"] not in input_changelog_str:
new_contributor_lines.append(c["line"])
write_changelog.write("\n".join(new_contributor_lines))
write_changelog.write("\n")
write_changelog.close()
click.echo("Updating plugins/sqlfluff-templater-dbt/pyproject.toml")
for filename in ["plugins/sqlfluff-templater-dbt/pyproject.toml"]:
input_file = open(filename, "r").readlines()
# Regardless of platform, write newlines as \n
write_file = open(filename, "w", newline="\n")
for line in input_file:
if line.startswith("version"):
line = f'version = "{new_version_num}"\n'
elif line.startswith(' "sqlfluff=='):
line = f' "sqlfluff=={new_version_num}",\n'
write_file.write(line)
write_file.close()
keys = ["version"]
if not is_pre_release:
# Only update stable_version if it's not a pre-release.
keys.append("stable_version")
click.echo("Updating pyproject.toml")
for filename in ["pyproject.toml"]:
input_file = open(filename, "r").readlines()
# Regardless of platform, write newlines as \n
write_file = open(filename, "w", newline="\n")
for line in input_file:
for key in keys:
if line.startswith(key):
# For pyproject.toml we quote the version identifier.
line = f'{key} = "{new_version_num}"\n'
break
write_file.write(line)
write_file.close()
if not is_pre_release:
click.echo("Updating gettingstarted.rst")
for filename in ["docs/source/gettingstarted.rst"]:
input_file = open(filename, "r").readlines()
# Regardless of platform, write newlines as \n
write_file = open(filename, "w", newline="\n")
change_next_line = False
for line in input_file:
if change_next_line:
line = f" {new_version_num}\n"
change_next_line = False
elif line.startswith(" $ sqlfluff version"):
change_next_line = True
write_file.write(line)
write_file.close()
click.echo("DONE")
if __name__ == "__main__":
cli()