cpython/Tools/patchcheck/patchcheck.py at 3.14 · python/cpython · GitHub

History

executable file

238 lines (202 loc) · 8.08 KB

Raw

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

#!/usr/bin/env python3

"""Check proposed changes for common issues."""

import sys

import os.path

import subprocess

import sysconfig

def get_python_source_dir():

src_dir = sysconfig.get_config_var('abs_srcdir')

if not src_dir:

src_dir = sysconfig.get_config_var('srcdir')

return os.path.abspath(src_dir)

SRCDIR = get_python_source_dir()

def n_files_str(count):

"""Return 'N file(s)' with the proper plurality on 'file'."""

s = "s" if count != 1 else ""

return f"{count} file{s}"

def status(message, modal=False, info=None):

"""Decorator to output status info to stdout."""

def decorated_fxn(fxn):

def call_fxn(*args, **kwargs):

sys.stdout.write(message + ' ... ')

sys.stdout.flush()

result = fxn(*args, **kwargs)

if not modal and not info:

print("done")

elif info:

print(info(result))

else:

print("yes" if result else "NO")

return result

return call_fxn

return decorated_fxn

def get_git_branch():

"""Get the symbolic name for the current git branch"""

cmd = "git rev-parse --abbrev-ref HEAD".split()

try:

return subprocess.check_output(cmd,

stderr=subprocess.DEVNULL,

cwd=SRCDIR,

encoding='UTF-8')

except subprocess.CalledProcessError:

return None

def get_git_upstream_remote():

"""

Get the remote name to use for upstream branches

Check for presence of "https://github.com/python/cpython" remote URL.

If only one is found, return that remote name. If multiple are found,

check for and return "upstream", "origin", or "python", in that

order. Raise an error if no valid matches are found.

"""

cmd = "git remote -v".split()

output = subprocess.check_output(

cmd,

stderr=subprocess.DEVNULL,

cwd=SRCDIR,

encoding="UTF-8"

)

# Filter to desired remotes, accounting for potential uppercasing

filtered_remotes = {

remote.split("\t")[0].lower() for remote in output.split('\n')

if "python/cpython" in remote.lower() and remote.endswith("(fetch)")

}

if len(filtered_remotes) == 1:

[remote] = filtered_remotes

return remote

for remote_name in ["upstream", "origin", "python"]:

if remote_name in filtered_remotes:

return remote_name

remotes_found = "\n".join(

{remote for remote in output.split('\n') if remote.endswith("(fetch)")}

)

raise ValueError(

f"Patchcheck was unable to find an unambiguous upstream remote, "

f"with URL matching 'https://github.com/python/cpython'. "

f"For help creating an upstream remote, see Dev Guide: "

f"https://devguide.python.org/getting-started/"

f"git-boot-camp/#cloning-a-forked-cpython-repository "

f"\nRemotes found: \n{remotes_found}"

)

def get_git_remote_default_branch(remote_name):

"""Get the name of the default branch for the given remote

It is typically called 'main', but may differ

"""

cmd = f"git remote show {remote_name}".split()

env = os.environ.copy()

env['LANG'] = 'C'

try:

remote_info = subprocess.check_output(cmd,

stderr=subprocess.DEVNULL,

cwd=SRCDIR,

encoding='UTF-8',

env=env)

except subprocess.CalledProcessError:

return None

for line in remote_info.splitlines():

if "HEAD branch:" in line:

base_branch = line.split(":")[1].strip()

return base_branch

return None

@status("Getting base branch for PR",

info=lambda x: x if x is not None else "not a PR branch")

def get_base_branch():

if not os.path.exists(os.path.join(SRCDIR, '.git')):

# Not a git checkout, so there's no base branch

return None

upstream_remote = get_git_upstream_remote()

version = sys.version_info

if version.releaselevel == 'alpha':

base_branch = get_git_remote_default_branch(upstream_remote)

else:

base_branch = "{0.major}.{0.minor}".format(version)

this_branch = get_git_branch()

if this_branch is None or this_branch == base_branch:

# Not on a git PR branch, so there's no base branch

return None

return upstream_remote + "/" + base_branch

@status("Getting the list of files that have been added/changed",

info=lambda x: n_files_str(len(x)))

def changed_files(base_branch=None):

"""Get the list of changed or added files from git."""

if os.path.exists(os.path.join(SRCDIR, '.git')):

# We just use an existence check here as:

# directory = normal git checkout/clone

# file = git worktree directory

if base_branch:

cmd = 'git diff --name-status ' + base_branch

else:

cmd = 'git status --porcelain'

filenames = []

with subprocess.Popen(cmd.split(),

stdout=subprocess.PIPE,

cwd=SRCDIR) as st:

git_file_status, _ = st.communicate()

if st.returncode != 0:

sys.exit(f'error running {cmd}')

for line in git_file_status.splitlines():

line = line.decode().rstrip()

status_text, filename = line.split(maxsplit=1)

status = set(status_text)

# modified, added or unmerged files

if not status.intersection('MAU'):

continue

if ' -> ' in filename:

# file is renamed

filename = filename.split(' -> ', 2)[1].strip()

filenames.append(filename)

else:

sys.exit('need a git checkout to get modified files')

return list(map(os.path.normpath, filenames))

@status("Docs modified", modal=True)

def docs_modified(file_paths):

"""Report if any file in the Doc directory has been changed."""

return bool(file_paths)

@status("Misc/ACKS updated", modal=True)

def credit_given(file_paths):

"""Check if Misc/ACKS has been changed."""

return os.path.join('Misc', 'ACKS') in file_paths

@status("Misc/NEWS.d updated with `blurb`", modal=True)

def reported_news(file_paths):

"""Check if Misc/NEWS.d has been changed."""

return any(p.startswith(os.path.join('Misc', 'NEWS.d', 'next'))

for p in file_paths)

@status("configure regenerated", modal=True, info=str)

def regenerated_configure(file_paths):

"""Check if configure has been regenerated."""

if 'configure.ac' in file_paths:

return "yes" if 'configure' in file_paths else "no"

else:

return "not needed"

@status("pyconfig.h.in regenerated", modal=True, info=str)

def regenerated_pyconfig_h_in(file_paths):

"""Check if pyconfig.h.in has been regenerated."""

if 'configure.ac' in file_paths:

return "yes" if 'pyconfig.h.in' in file_paths else "no"

else:

return "not needed"

def main():

base_branch = get_base_branch()

file_paths = changed_files(base_branch)

has_doc_files = any(fn for fn in file_paths if fn.startswith('Doc') and

fn.endswith(('.rst', '.inc')))

misc_files = {p for p in file_paths if p.startswith('Misc')}

# Docs updated.

docs_modified(has_doc_files)

# Misc/ACKS changed.

credit_given(misc_files)

# Misc/NEWS changed.

reported_news(misc_files)

# Regenerated configure, if necessary.

regenerated_configure(file_paths)

# Regenerated pyconfig.h.in, if necessary.

regenerated_pyconfig_h_in(file_paths)

# Test suite run and passed.

has_c_files = any(fn for fn in file_paths if fn.endswith(('.c', '.h')))

has_python_files = any(fn for fn in file_paths if fn.endswith('.py'))

print()

if has_c_files:

print("Did you run the test suite and check for refleaks?")

elif has_python_files:

print("Did you run the test suite?")

if __name__ == '__main__':

main()

cpython/Tools/patchcheck/patchcheck.py at 3.14 · python/cpython · GitHub

Uh oh!

Uh oh!

cpython/Tools/patchcheck/patchcheck.py at 3.14 · python/cpython · GitHub

Uh oh!

Uh oh!

Expand file tree

Breadcrumbs

patchcheck.py

Latest commit

History

Breadcrumbs

patchcheck.py

File metadata and controls