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kb.py
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kb.py
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# -*- encoding: utf-8 -*-
import argparse
import attr
import glob
import json
import logging
import os
import pathlib
import semantic_version
import subprocess
import yaml
from git import Repo
from pkg_resources import safe_name
from rich import print as rprint
from rich.prompt import Prompt
from urllib.parse import urlparse
from walkdir import filtered_walk
FILENAME_SETUP_YAML = "setup.yaml"
GIT_COMMIT_COUNT = 100
logging.basicConfig(
level=logging.INFO, format="%(asctime)s: %(levelname)s: %(message)s"
)
logger = logging.getLogger(__name__)
def _file_exists_in_current_folder(file_name):
current_folder = pathlib.Path.cwd()
file_name = pathlib.Path(current_folder, file_name)
if file_name.is_file():
print()
rprint(f"Found {file_name}")
rprint("You may need to rebuild SCSS.")
rprint("Check README.rst for more information.")
confirm = Prompt.ask(
"Have you rebuit the SCSS file? (y/N)",
choices=["Y", "N", "y", "n"],
default="N",
)
if confirm.upper() == "Y":
pass
else:
raise Exception("You chose No. Nothing was released.")
def _version_from_package_json():
with open("package.json", "r") as f:
data = json.load(f)
return data["version"]
def check_ember_branches(ember_apps, checkout, pull):
rprint(f"[yellow]checking ember branches...")
for counter, app in enumerate(ember_apps, start=1):
rprint(f"[white] {counter}. {app.name}")
git(ember_apps, [], False, args.checkout, args.pull)
def create_dist_version_txt():
"""Create 'dist/VERSION.txt' for 'ember-cli-new-version'."""
file_name = pathlib.Path("dist", "VERSION.txt")
rprint(f"[yellow]Generate '{file_name}' for 'ember-cli-new-version'")
version = _version_from_package_json()
rprint(f"version: {version}")
rprint(f"[white]creating {file_name}")
with open(file_name, "w") as f:
f.write(version.strip())
return version
def update_config_environment():
"""Update 'config/environment.js' for 'ember-cli-new-version'."""
file_name = pathlib.Path("config", "environment.js")
version = _version_from_package_json()
rprint(
f"[yellow]Update '{file_name}' to version {version} "
"for 'ember-cli-new-version'"
)
with open(file_name, "r") as f:
lines = [line.rstrip() for line in f]
# with open(pathlib.Path(f"{file_name}.v2"), "w") as f:
with open(file_name, "w") as f:
for line in lines:
if "currentVersion" in line:
f.write(f" currentVersion: '{version}',\n")
else:
f.write(f"{line}\n")
@attr.s
class App:
name = attr.ib()
branch = attr.ib()
tag = attr.ib()
semantic_version = attr.ib()
class KbError(Exception):
def __init__(self, value):
Exception.__init__(self)
self.value = value
def __str__(self):
return repr("%s, %s" % (self.__class__.__name__, self.value))
class Release:
TESTING = False
YAPSY_PLUGIN_EXT = "yapsy-plugin"
def __init__(self, prefix, pypi):
self.prefix = prefix
self.pypi = pypi
def _check_is_project_or_app(self):
"""An app should have an 'project' folder or an 'example' folder."""
rprint("[yellow]check is app or project...")
found = False
for name in ("project", "example"):
folder = _wildcard_folder(name)
if folder:
found = True
break
if not found:
abort("Not a project or app (need a 'project' or 'example' folder)")
def _check_requirements(self, is_project):
if is_project:
rprint("[yellow]check requirements...")
file_name = os.path.join(
os.getcwd(), "requirements-{}.txt".format(self.prefix)
)
if os.path.exists(file_name):
with open(file_name) as f:
content = f.readlines()
rprint(
"[white]Please check the app version numbers for this project:"
)
for line in content:
name, version = line.strip().split("==")
if name and version:
rprint("[cyan]{:<30} {:<10}".format(name, version))
else:
msg = (
"Dependency in '{0}' does not have a name and "
"version number: {1}".format(file_name, line)
)
rprint("[red]{}".format(msg))
raise KbError(msg)
confirm = ""
while confirm not in ("Y", "N"):
confirm = prompt(
"Are these the correct dependencies and versions (Y/N)?"
)
confirm = confirm.strip().upper()
if not confirm == "Y":
abort(
"Please check and correct the dependencies and their versions..."
)
def _check_scm_status(self):
rprint("[yellow]check version control status...")
scm = Scm(os.getcwd())
status = scm.get_status()
for name in status:
if name not in ("kb.py", "setup.py"):
msg = (
"The following files have not been committed:\n{0}".format(
status
)
)
rprint("[red]{}".format(msg))
raise KbError(msg)
def _commit_and_tag(self, version):
rprint("[yellow]version control - commit and tag...")
scm = Scm(os.getcwd())
scm.commit_and_tag(version)
def _get_description(self):
rprint("[yellow]get description...")
check_setup_yaml_exists()
with open(FILENAME_SETUP_YAML) as f:
data = yaml.safe_load(f)
if not "description" in data:
abort("Package 'description' not found in 'setup.yaml'")
return data["description"]
def _get_name(self):
check_setup_yaml_exists()
with open(FILENAME_SETUP_YAML) as f:
data = yaml.safe_load(f)
if not "name" in data:
abort("Package 'name' not found in 'setup.yaml'")
return data["name"]
def _get_next_version(self, current_version):
elems = current_version.split(".")
if not len(elems) == 3:
msg = "Current version number should contain only three sections: {}".format(
current_version
)
rprint("[red]{}".format(msg))
raise KbError(msg)
for e in elems:
if not e.isdigit():
msg = "Current version number should only contain numbers: {}".format(
current_version
)
rprint("[red]{}".format(msg))
raise KbError(msg)
return "{}.{}.{:02d}".format(elems[0], elems[1], int(elems[2]) + 1)
def _get_package_data(self, packages):
rprint("[yellow]get package data...")
result = {}
for package in packages:
if os.path.exists(package) and os.path.isdir(package):
for folder_name in os.listdir(package):
if folder_name in ("data", "static", "templates"):
folder = os.path.join(package, folder_name)
if os.path.isdir(folder):
walk = filtered_walk(folder)
for path, subdirs, files in walk:
if package not in result:
result[package] = []
# remove package folder name
result[package].append(
os.path.join(*path.split(os.sep)[1:])
)
return result
def _get_packages(self):
rprint("[yellow]get packages...")
excluded_dirs = [
".git",
".hg",
"dist",
"front",
"node_modules",
"shiny",
"temp",
"templates",
"venv-*",
]
example_folder = _wildcard_folder("example")
if example_folder:
excluded_dirs.append(example_folder)
walk = filtered_walk(
".", included_files=["__init__.py"], excluded_dirs=excluded_dirs
)
result = []
for path, subdirs, files in walk:
if len(files):
path = path.replace(os.sep, ".").strip(".")
if path:
result.append("{0}".format(path))
app_names = ["app"]
if example_folder:
app_names.append(example_folder)
for name in app_names:
if name in result:
result.remove(name)
result.insert(0, name)
return result
def _get_scm_config(self):
rprint("[yellow]get version control config...")
scm = Scm(os.getcwd())
return scm.get_config()
def _get_version(self):
check_setup_yaml_exists()
with open(FILENAME_SETUP_YAML) as f:
data = yaml.safe_load(f)
current_version = data["version"]
next_version = self._get_next_version(current_version)
version = input
version = Prompt.ask(
"Version number to release (previous {})".format(current_version),
default=next_version,
)
version = self._validate_version(version)
data["version"] = version
if not self.TESTING:
with open(FILENAME_SETUP_YAML, "w") as f:
yaml.dump(data, f, default_flow_style=False)
rprint("[green]Release version: {0}".format(version))
return version
def _has_project_package(self, packages):
if "project" in packages:
return True
return False
def _validate_version(self, version):
elem = version.split(".")
for e in elem:
if not e.isdigit():
raise Exception(
"Not a valid version number: {0} (should contain only digits)".format(
version
)
)
if not len(elem) == 3:
raise Exception(
"Not a valid version number: {0} (should contain three elements)".format(
version
)
)
confirm = Prompt.ask(
"Please confirm you want to release version {0} (y/N)".format(
version
),
choices=["Y", "N", "y", "n"],
default="N",
)
# confirm = ""
# while confirm not in ("Y", "N"):
# confirm = prompt(
# "Please confirm you want to release version {0} (Y/N)".format(
# version
# )
# )
# confirm = confirm.strip().upper()
if confirm.upper() == "Y":
return version
else:
raise Exception("Please re-enter the version number")
def _write_manifest_in(self, is_project, packages):
rprint("[yellow]write MANIFEST.in...")
folders = ["doc_src", "docs"]
for p in packages:
if not "." in p:
folders = folders + [
os.path.join("{0}".format(p), "static"),
os.path.join("{0}".format(p), "templates"),
]
content = []
for f in folders:
folder = os.path.join(os.getcwd(), f)
if os.path.exists(folder) and os.path.isdir(folder):
content.append("recursive-include {0} *".format(f))
content = content + ["", "include LICENSE"]
if is_project:
content.append("include manage.py")
content = content + [
"include README",
"include requirements/*.txt",
"include *.ttf",
"include *.txt",
"",
]
# .yapsy-plugin
walk = filtered_walk(
".", included_files=["*.{}".format(self.YAPSY_PLUGIN_EXT)]
)
for path, subdirs, files in walk:
if files:
content = content + [
"include {}/*.{}".format(path[2:], self.YAPSY_PLUGIN_EXT)
]
# example folder
example_folder = _wildcard_folder("example")
if example_folder:
content = content + ["prune {}/".format(example_folder)]
with open("MANIFEST.in", "w") as f:
f.write("\n".join(content))
def _write_setup(
self,
name,
packages,
package_data,
version,
url,
author,
email,
description,
prefix,
):
"""
Prefix name so 'pip' doesn't get confused with packages on PyPI
"""
rprint("[yellow]write setup.py...")
content = """import os
from distutils.core import setup
def read_file_into_string(filename):
path = os.path.abspath(os.path.dirname(__file__))
filepath = os.path.join(path, filename)
try:
return open(filepath).read()
except IOError:
return ''
def get_readme():
for name in ('README', 'README.rst', 'README.md'):
if os.path.exists(name):
return read_file_into_string(name)
return ''
setup(
name='%s-%s',
packages=%s,%s
version='%s',
description='%s',
author='%s',
author_email='%s',
url='%s',
classifiers=[
'Development Status :: 1 - Planning',
'Environment :: Console',
'Intended Audience :: Developers',
'License :: OSI Approved :: Apache Software License',
'Natural Language :: English',
'Operating System :: OS Independent',
'Programming Language :: Python',
'Programming Language :: Python :: 3',
'Framework :: Django :: 1.8',
'Topic :: Office/Business :: Scheduling',
],
long_description=get_readme(),
)"""
packages_delim = []
for p in packages:
packages_delim.append("'{0}'".format(p))
data = ""
if package_data:
data = "\n package_data={"
for p, folders in package_data.items():
data = data + "\n{}'{}': [\n".format(" " * 8, p)
folders.sort()
for f in folders:
data = data + "{}'{}',\n".format(
" " * 12, os.path.join(f, "*.*")
)
data = data + "{}],\n".format(" " * 8)
data = data + " },"
with open("setup.py", "w") as f:
f.write(
content
% (
prefix,
safe_name(name),
"[{0}]".format(", ".join(packages_delim)),
data,
version,
description,
author,
email,
url,
)
)
def release(self):
if not self.prefix:
msg = "Cannot release a project without a 'prefix'"
rprint("[red]{}".format(msg))
raise KbError(msg)
self._check_is_project_or_app()
url, user, email = self._get_scm_config()
if not self.TESTING:
self._check_scm_status()
description = self._get_description()
packages = self._get_packages()
package_data = self._get_package_data(packages)
is_project = self._has_project_package(packages)
name = self._get_name()
self._check_requirements(is_project)
version = self._get_version()
self._write_manifest_in(is_project, packages)
self._write_setup(
name,
packages,
package_data,
version,
url,
user,
email,
description,
self.prefix,
)
if not self.TESTING:
self._commit_and_tag(version)
# command = "python setup.py clean sdist upload -r {}".format(
# self.pypi
# )
rprint("[blue]clean sdist upload...")
command = [
"python",
"setup.py",
"clean",
"sdist",
"upload",
"-r",
self.pypi,
]
try:
result = subprocess.run(command, capture_output=True, text=True)
if result.returncode == 0:
rprint(
"[green]'setup.py', 'upload' to {} - success...".format(
self.pypi
)
)
else:
rprint("[red]{}".format(command))
for x in result.stderr.split("\n"):
rprint("[red]{}".format(x))
raise KbError("Failed to run the 'sdist upload' process")
except Exception as e:
raise KbError("Failed to run the 'sdist upload' process", e)
class Scm:
def __init__(self, folder):
self.folder = folder
self._is_hg = self.is_mercurial()
if not self._is_hg:
if not self.is_git():
raise KbError(
"Must be a Mercurial or GIT repository: {}".format(
self.folder
)
)
def _get_hg_repo(self):
# return hgapi.Repo(self.folder)
pass
def _get_git_repo(self):
return Repo(self.folder)
def is_git(self):
try:
self._get_git_repo()
return True
except InvalidGitRepositoryError:
return False
def is_mercurial(self):
"""None of our repositories are using Mercurial."""
return False
# result = False
# repo = self._get_hg_repo()
# try:
# repo.hg_status()
# result = True
# except hgapi.HgException as ev:
# if not 'no repository found' in ev.message:
# raise TaskError(
# "Unexpected exception thrown by 'hg_status': {}".format(
# ev.message
# )
# )
# return result
def get_config(self):
if self._is_hg:
repo = self._get_hg_repo()
path = repo.config("paths", "default")
username = repo.config("ui", "username")
pos_start = username.find("<")
pos_end = username.find(">")
author = username[:pos_start].strip()
email = username[pos_start + 1 : pos_end]
if "bitbucket" in path:
result = path, author, email
else:
raise KbError(
"Cannot find bitbucket path to repository: {0}".format(path)
)
else:
repo = self._get_git_repo()
if len(repo.remotes) == 1:
remote = repo.remotes[0]
path = remote.url
name = repo.config_reader(config_level="global").get(
"user", "name"
)
email = repo.config_reader(config_level="global").get(
"user", "email"
)
result = path, name, email
else:
raise KbError(
"GIT repo has more than one remote. Don't know what to do!"
)
return result
def get_status(self):
result = []
if self._is_hg:
repo = self._get_hg_repo()
for status, files in repo.hg_status().iteritems():
for name in files:
result.append(name)
else:
repo = self._get_git_repo()
out = repo.git.status("--porcelain")
for line in out.splitlines():
name = line.strip()
pos = name.find(" ")
if pos == -1:
raise KbError(
"GIT status filename does not contain a space: {}".format(
line
)
)
result.append(name[pos + 1 :])
return result
def commit_and_tag(self, version):
status = self.get_status()
for name in status:
pos = name.find(" ")
if pos > -1:
raise KbError(
"Version control 'status' - filename contains a space: {}".format(
name
)
)
if len(self.get_status()):
message = "version {0}".format(version)
tag = "{0}".format(version)
if self._is_hg:
repo = self._get_hg_repo()
repo.hg_commit(message)
repo.hg_tag(tag)
else:
repo = self._get_git_repo()
index = repo.index
index.add(status)
index.commit(message)
repo.create_tag(tag)
def _wildcard_folder(prefix):
"""
Search the current folder for a directory where the name starts with
'prefix'. Check there is just one folder starting with that name and
return the actual name without the path e.g::
folder = _wildcard_folder('example')
if folder:
print(folder)
# 'example-block'
"""
result = None
folder = os.path.join(os.getcwd(), prefix)
match = glob.glob("{}*".format(folder))
match_count = len(match)
if match_count == 1:
found = match[0]
if os.path.isdir(found):
result = os.path.basename(found)
elif match_count > 1:
abort("Found more than one folder starting with: '{}'".format(prefix))
return result
def app_name(name):
return name.replace("-", "_")
def app_to_folder(name):
return name.replace("_", "-")
def apps_equal(x_apps, y_apps, x_caption, y_caption):
result_a = set([x.name for x in x_apps]) - set([y.name for y in y_apps])
result_b = set([y.name for y in y_apps]) - set([x.name for x in x_apps])
if result_a or result_b:
rprint("[red]{}".format([x.name for x in x_apps]))
rprint("[pink]{}".format([y.name for y in y_apps]))
raise KbError(
"'{}' has different apps to '{}': {}".format(
x_caption, y_caption, result_a or result_b
)
)
else:
logger.info(
"'{}' has the same apps as '{}'".format(x_caption, y_caption)
)
def branch_is_equal(app, repo, checkout):
result = False
try:
if app.branch == repo.active_branch.name:
result = True
elif checkout:
logger.info("'{}' checkout '{}'".format(app.name, app.branch))
if repo.is_dirty():
raise KbError(
"'{}', branch {} has changes ('is_dirty')".format(
app.name, repo.active_branch.name
)
)
else:
repo.git.checkout(app.branch)
result = app.branch == repo.active_branch.name
except TypeError as e:
raise KbError(
"app '{}', branch '{}': {}".format(app.name, app.branch, str(e))
)
return result
def branches_equal(x_apps, y_apps, x_caption, y_caption):
x_data = set(["{}@{}".format(x.name, x.branch) for x in x_apps])
y_data = set(["{}@{}".format(y.name, y.branch) for y in y_apps])
result_a = x_data - y_data
result_b = y_data - x_data
if result_a or result_b:
raise KbError(
"'{}' has different branches to '{}': {}".format(
x_caption, y_caption, result_a or result_b
)
)
else:
logger.info(
"'{}' has the same branches as '{}'".format(x_caption, y_caption)
)
def branch(requirements_file_name, allow_missing_file=None):
result = []
try:
file_name = os.path.join("requirements", requirements_file_name)
with open(file_name) as f:
for line in f:
# handle empty 'branch.txt' file
if line.strip():
name, branch = line.strip().split("|")
result.append(
App(
name=app_name(name),
branch=branch,
tag=None,
semantic_version=None,
)
)
except FileNotFoundError:
if allow_missing_file:
rprint(f"[white]not checking '{file_name}'")
else:
raise KbError(f"requirements file '{file_name}' does not exist")
return result
def check_setup_yaml_exists():
"""The file, 'setup.yaml' looks like the 'sample_data' below:"""
if not os.path.exists(FILENAME_SETUP_YAML):
sample_data = {
"description": "User Auth",
"name": "user-auth",
"version": "0.2.0",
}
msg = "File '{0}' does not exist. Please create in the following format:\n{1}".format(
FILENAME_SETUP_YAML,
yaml.dump(sample_data, default_flow_style=False),
)
raise KbError(msg)
def ci():
"""Parse the CI requirements.
Example::
-r base.txt
-e .
-e git+https://gitlab.com/kb/base.git#egg=base
pytest-django
"""
result = []
with open(os.path.join("requirements", "ci.txt")) as f:
for line in f:
branch = None
pos = line.find("http")
if pos == -1:
pass
else:
url = line[pos:]
p = urlparse(url)
# option to use the egg instead?
# egg = p.fragment
# pos_dash = line.find("kb-")
# name = line[pos_dash + 3 :]
# name = name.strip()
pos = p.path.find("@")
if pos == -1:
# no branch name e.g. '@3189-lms-models'
branch = "master"
else:
branch = p.path[pos + 1 :]
# find the app name e.g. '/kb/exam.git@3189-lms-models'
pos_sla = p.path.rfind("/")
pos_dot = p.path.rfind(".")
name = p.path[pos_sla + 1 : pos_dot]
result.append(
App(
name=app_name(name),
branch=branch,
tag=None,
semantic_version=None,
)
)
return result
def get_is_project():
is_app = is_project = False
current_folder = os.getcwd()
if "/app/" in current_folder:
is_app = True
if "/project/" in current_folder:
is_project = True
if is_app and is_project:
raise Exception(
"Cannot decide if this is an app or a project: {}".format(
current_folder
)
)
return is_project
def git(apps_with_branch, apps_with_tag, is_project, checkout, pull):
"""Check each app is on the expected branch."""
tags = {x.name: x.semantic_version for x in apps_with_tag}
for app in apps_with_branch:
repo = git_repo(app)
if branch_is_equal(app, repo, checkout):
if pull:
print("pulling from {}".format(app.name))
fetch_info = repo.remotes.origin.pull()
for x in fetch_info:
if x.note:
print(" {}".format(x.note))
# only check tags if this is a project
if is_project:
first = None
first_tag = None
found = False
outstanding = []
tag_to_find = tags[app.name]
# PJK 06/05/2019, For some reason tags are not appearing.
# We should check the fabric scripts to find out why.
# for tag in repo.tags:
# if tag.commit in commits and tag.name == tag_to_find:
# found = True
# break
# check commit messages to try and find the version number
commits = list(
repo.iter_commits(app.branch, max_count=GIT_COMMIT_COUNT)
)
for commit in commits:
if commit.message.startswith("version "):
pos = commit.message.find(" ")
if pos == -1:
raise Exception(
"The commit message has a space, but we "
"can't find it: {}".format(commit.message)
)
else:
semver = tag_to_semver(commit.message[pos + 1 :])
if semver:
if not first_tag:
first_tag = semver
if semver == tag_to_find:
found = True
if first and first > semver:
print(
"* Warning: version {} of '{}' has "
"been released. You are using version "
"{}.".format(
first, app.name, semver
)
)
if outstanding:
print(
"* Warning: there are {} changes on {} "
"which have not been released.".format(
len(outstanding), app.name
)
)
for count, x in enumerate(
outstanding, 1
):
first_line = x.split("\n")[
0
].strip()
print(
" {}. {}".format(
count, first_line
)
)
break
if not first:
first = semver
outstanding.append(
"{} ({})".format(commit.message.strip(), commit.author)
)
if not found:
raise Exception(
"Cannot find tag '{}' on the '{}' branch of "
"'{}'{}".format(
tag_to_find,
app.branch,
app_to_folder(app.name),
" (but found {})".format(first_tag)
if first_tag
else "",
)
)
else:
raise Exception(
"Expecting the '{}' app to be on the '{}' branch but it is "
"on '{}'".format(app.name, app.branch, repo.active_branch)
)
def git_repo(app):
folder = os.path.abspath(
os.path.join(
os.path.dirname(os.path.realpath(__file__)),
"..",
"..",
"app",
app_to_folder(app.name),
)
)
if os.path.exists(folder):
return Repo(folder)
else:
raise Exception("App folder does not exist: {}".format(folder))
def local(is_project):
"""Parse the local requirements.
Example::
-r base.txt
-e .
-e ../../app/base
black
"""
result = []
with open(os.path.join("requirements", "local.txt")) as f:
for line in f:
if is_project:
token = "/app/"
else:
token = "../"
pos = line.find(token)
if pos == -1:
pass
else:
name = line[pos + len(token) :].strip()
result.append(
App(
name=app_name(name),
branch=None,
tag=None,
semantic_version=None,
)
)
return result
def production():
"""Parse the production requirements.
Example::
kb-base==0.2.55
"""
result = []
with open(os.path.join("requirements", "production.txt")) as f:
for line in f:
pos_dash = line.find("kb-")
pos_equal = line.find("==")
if pos_dash == -1:
pass
else:
name = line[pos_dash + 3 : pos_equal]
tag = line[pos_equal + 2 :].strip()