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#!/usr/bin/env python3
# Copyright (c) Pelagicore AG 2016
import click
from subprocess import call
from watchdog.events import FileSystemEventHandler
from watchdog.observers import Observer
from pathlib import Path
import time
import os
import sys
import yaml
os.environ['PYTHONPATH'] = os.getcwd()
def sh(cmd, all=False, **kwargs):
click.echo('$ {0}'.format(cmd))
return call(cmd, shell=True, **kwargs)
@click.group()
def cli():
pass
@cli.command()
def antlr():
"""generate a new parser based on the grammar using antlr"""
cwd = str(Path('qface/idl/parser').absolute())
sh('antlr4 -Dlanguage=Python3 -Werror -package qface.idl.parser -o . -listener -visitor T.g4', cwd=cwd)
@cli.command()
@click.option('--debug/--nodebug')
def test(debug):
"""run the tests"""
sh('python3 -m pytest -v -s -l {0}'.format('-pdb' if debug else ''))
@cli.command()
def test_ci():
"""run the tests for CI integration"""
sh('python3 -m pytest -v -s -l')
class RunTestChangeHandler(FileSystemEventHandler):
def __init__(self, clickContext):
super(RunTestChangeHandler).__init__()
self.clickContext = clickContext
def on_any_event(self, event):
if event.is_directory:
return
if Path(event.src_path).suffix == '.py':
sh('python3 -m pytest -v -s -l')
@cli.command()
@click.pass_context
def test_monitor(ctx):
"""run the tests and re-run on changes"""
sh('python3 -m pytest -v -s -l')
while True:
event_handler = RunTestChangeHandler(ctx)
observer = Observer()
observer.schedule(event_handler, './tests', recursive=True)
observer.schedule(event_handler, './qface', recursive=True)
observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
observer.stop()
observer.join()
class RunScriptChangeHandler(FileSystemEventHandler):
def __init__(self, script, cwd=None):
super(RunTestChangeHandler).__init__()
self.script = script
self.cwd = cwd
def on_modified(self, event):
if event.src_path.endswith('.cache'):
return
if event.is_directory:
return
self.run()
def run(self):
sh('python3 {0}'.format(self.script), cwd=self.cwd)
@cli.command()
@click.option('--runner', type=click.File('r'))
@click.option('--generator', type=click.Path(exists=True))
@click.option('--input', type=click.Path(exists=True))
@click.option('--output', type=click.Path(exists=True))
def generate_monitor(runner, generator, input, output):
"""run the named generator and monitor the input and generator folder"""
if runner:
config = yaml.load(runner)
generator = config['generator']
input = config['input']
output = config['output']
generator = Path(generator).absolute()
input = Path(input).absolute()
output = Path(output).absolute()
script = generator / '{0}.py --input {1} --output {2}'.format(generator.name, input, output)
event_handler = RunScriptChangeHandler(script, cwd=generator.as_posix())
observer = Observer()
observer.schedule(event_handler, generator.as_posix(), recursive=True)
observer.schedule(event_handler, input.as_posix(), recursive=True)
observer.schedule(event_handler, './qface', recursive=True)
observer.start()
try:
while True:
time.sleep(1)
except KeyboardInterrupt:
observer.stop()
observer.join()
@cli.command()
@click.option('--runner', type=click.File('r'), help="use the runner YAML file to configure the generation")
@click.option('--reload/--no-reload', default=False, help="if enabled auto-reload the generator on input changes")
@click.option('--generator', help="specifies the generator (either by name or path)")
@click.option('--input', type=click.Path(exists=True), help="specifies the input folder")
@click.option('--output', type=click.Path(exists=True), help="specified the output folder")
@click.option('--list/--no-list', help="lists the available generators")
def generate(runner, generator, input, output, reload, list):
if list:
entries = [e.name for e in Path('generator').iterdir()]
click.echo('generators: {0}'.format(entries))
sys.exit(0)
"""run the named generator"""
if runner:
config = yaml.load(runner)
generator = config['generator']
input = config['input']
output = config['output']
if not generator or not input or not output:
print('generator, input and output arguments are required')
sys.exit(-1)
generator = Path('generator') / generator
if not generator.exists():
generator = Path(generator).absolute()
if not generator.exists():
print('can not find the specified generator: ' + str(generator))
sys.exit(-1)
input = Path(input).absolute()
output = Path(output).absolute()
if not reload:
_generate_once(generator, input, output)
else:
_generate_reload(generator, input, output)
def _generate_once(generator, input, output):
script = '{0}.py'.format(generator.name)
input = Path(input).absolute()
output = Path(output).absolute()
sh('python3 {0} --input {1} --output {2}'
.format(script, input, output),
cwd=generator.as_posix())
def _generate_reload(generator, input, output):
"""run the named generator and monitor the input and generator folder"""
script = generator / '{0}.py --input {1} --output {2}'.format(generator.name, input, output)
event_handler = RunScriptChangeHandler(script, cwd=generator.as_posix())
event_handler.run() # run always once
observer = Observer()
observer.schedule(event_handler, generator.as_posix(), recursive=True)
observer.schedule(event_handler, input.as_posix(), recursive=True)
observer.schedule(event_handler, './qface', recursive=True)
observer.start()
try:
while True:
time.sleep(2)
except KeyboardInterrupt:
observer.stop()
observer.join()
@click.option('--editable/--no-editable', default=False, help='install editable package')
@cli.command()
def install(editable):
"""install the script onto the system using pip3"""
script_dir = str(Path(__file__).parent.absolute())
print(script_dir)
if editable:
sh('pip3 install --editable {0} --upgrade'.format(script_dir))
else:
sh('pip3 install {0} --upgrade'.format(script_dir))
@cli.command()
def uninstall():
"""uninstall the script from the system using pip3"""
sh('pip3 uninstall qface')
if __name__ == '__main__':
cli()
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