python 将Alfred工作流构建到.alfredworkflow（zip）文件中
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#!/usr/bin/python
# encoding: utf-8
#
# Copyright (c) 2013 deanishe@deanishe.net.
#
# MIT Licence. See http://opensource.org/licenses/MIT
#
# Created on 2013-11-01
#
"""workflow-build [options] <workflow-dir>
Build Alfred Workflows.
Compile contents of <workflow-dir> to a ZIP file (with extension
`.alfredworkflow`).
The name of the output file is generated from the workflow name,
which is extracted from the workflow's `info.plist`. If a `version`
file is contained within the workflow directory, it's contents
will be appended to the compiled workflow's filename.
Usage:
workflow-build [-v|-q|-d] [-f] [-n] [-o <outputdir>] <workflow-dir>...
workflow-build (-h|--version)
Options:
-o, --output=<outputdir> Directory to save workflow(s) to.
Default is current working directory.
-f, --force Overwrite existing files.
-n, --dry-run Only show files that would be included
in workflow. Don't build anything.
-h, --help Show this message and exit.
-V, --version Show version number and exit.
-q, --quiet Only show errors and above.
-v, --verbose Show info messages and above.
-d, --debug Show debug messages.
"""
from __future__ import print_function
from contextlib import contextmanager
from fnmatch import fnmatch
import logging
import os
import plistlib
import re
from subprocess import check_call, CalledProcessError
import string
import sys
from unicodedata import normalize
from docopt import docopt
__version__ = "0.5"
__author__ = "Dean Jackson <deanishe@deanishe.net>"
DEFAULT_LOG_LEVEL = logging.WARNING
# Characters permitted in workflow filenames
OK_CHARS = set(string.ascii_letters + string.digits + '-.')
EXCLUDE_PATTERNS = [
'.*',
'*.pyc',
'*.log',
'*.acorn',
'*.swp',
'*.bak',
'*.sublime-project',
'*.sublime-workflow',
'*.git',
'*.dist-info',
'*.egg-info',
'*.idea',
'*.iml',
]
log = logging.getLogger('')
@contextmanager
def chdir(dirpath):
"""Context-manager to change working directory."""
startdir = os.path.abspath(os.curdir)
os.chdir(dirpath)
log.debug('cwd=%s', dirpath)
yield
os.chdir(startdir)
log.debug('cwd=%s', startdir)
class TechnicolorFormatter(logging.Formatter):
"""Intelligent and pretty log formatting.
Colourise output to a TTY and prepend logging level name to
levels other than INFO.
"""
BLACK, RED, GREEN, YELLOW, BLUE, MAGENTA, CYAN, WHITE = range(8)
RESET = '\033[0m'
COLOUR_BASE = '\033[1;{:d}m'
BOLD = '\033[1m'
LEVEL_COLOURS = {
logging.DEBUG: BLUE,
logging.INFO: WHITE,
logging.WARNING: YELLOW,
logging.ERROR: MAGENTA,
logging.CRITICAL: RED
}
def __init__(self, fmt=None, datefmt=None, technicolor=True):
"""Create new Formatter.
Args:
fmt (str): A `logging.Formatter` format string.
datefmt (str): `strftime` format string.
technicolor (bool): Colourise TTY output?
"""
logging.Formatter.__init__(self, fmt, datefmt)
self.technicolor = technicolor
self._isatty = sys.stderr.isatty()
def format(self, record):
"""Format (and colourise) log record.
Prepend log level for levels other than INFO.
Colourise level names for TTY output.
"""
# Output `INFO` messages without level name.
# The idea is to treat them as normal status messages.
if record.levelno == logging.INFO:
msg = logging.Formatter.format(self, record)
return msg
# Other levels have their level name colourised if
# the destination is a TTY.
if self.technicolor and self._isatty:
colour = self.LEVEL_COLOURS[record.levelno]
bold = (False, True)[record.levelno > logging.INFO]
levelname = self.colourise('{:9s}'.format(record.levelname),
colour, bold)
else:
levelname = '{:9s}'.format(record.levelname)
return (levelname + logging.Formatter.format(self, record))
def colourise(self, text, colour, bold=False):
"""Surround `text` with terminal colours."""
colour = self.COLOUR_BASE.format(colour + 30)
output = []
if bold:
output.append(self.BOLD)
output.append(colour)
output.append(text)
output.append(self.RESET)
return ''.join(output)
def init_logging():
"""Set up logging handlers, add and configure global `log`."""
# console output
console = logging.StreamHandler()
formatter = TechnicolorFormatter('%(message)s')
console.setFormatter(formatter)
console.setLevel(logging.DEBUG)
log.addHandler(console)
def safename(name):
"""Make name filesystem and web-safe."""
if isinstance(name, str):
name = unicode(name, 'utf-8')
# remove non-ASCII
s = normalize('NFD', name)
b = s.encode('us-ascii', 'ignore')
clean = []
for c in b:
if c in OK_CHARS:
clean.append(c)
else:
clean.append('-')
return re.sub(r'-+', '-', ''.join(clean)).strip('-')
def get_workflow_files(dirpath):
"""Return all files to be included in the workflow."""
paths = []
for root, dirnames, filenames in os.walk('.'):
# Remove directories that match EXCLUDE_PATTERNS.
# Iterate through them in reverse, so as not to mess with
# the indexing
for i in range(len(dirnames) - 1, -1, -1):
dn = dirnames[i]
for pat in EXCLUDE_PATTERNS:
if fnmatch(dn, pat):
log.debug('- [%s] %s', pat, dn)
del dirnames[i]
break
# Process filenames within accepted directories
for fn in filenames:
p = os.path.join(root, fn)
for pat in EXCLUDE_PATTERNS:
if fnmatch(fn, pat):
log.debug('- [%s] %s', pat, fn)
break
else: # didn't match any patterns
paths.append(p)
return paths
def build_workflow(workflow_dir, outputdir, overwrite=False, verbose=False,
dry_run=False):
"""Create an .alfredworkflow file from the contents of `workflow_dir`."""
with chdir(workflow_dir):
# ------------------------------------------------------------
# Read workflow metadata from info.plist
info = plistlib.readPlist(u'info.plist')
version = None
if not os.path.exists(u'info.plist'):
log.error(u'info.plist not found')
return False
if 'version' in info and info.get('version'):
version = info['version']
elif os.path.exists('version'):
with open('version') as fp:
version = fp.read().strip().decode('utf-8')
name = safename(info['name'])
zippath = os.path.join(outputdir, name)
if version:
zippath = '{}-{}'.format(zippath, version)
zippath += '.alfredworkflow'
# ------------------------------------------------------------
# Workflow files
wffiles = get_workflow_files('.')
if dry_run:
print('workflow directory: ' + os.path.abspath(os.curdir))
print('workflow file: ' + zippath)
print('contents:')
for p in wffiles:
print(p)
return
# ------------------------------------------------------------
# Build workflow
if os.path.exists(zippath):
if overwrite:
log.info('overwriting existing workflow')
os.unlink(zippath)
else:
log.error('File "%s" exists. Use -f to overwrite', zippath)
return False
# build workflow
command = ['zip']
if not verbose:
command.append(u'-q')
command.append(zippath)
for p in wffiles:
command.append(p)
log.debug('command=%r', command)
try:
check_call(command)
except CalledProcessError as err:
log.error('zip exited with %d', err.returncode)
return False
log.info('wrote %s', zippath)
return True
def main(args=None):
"""Run CLI."""
# ------------------------------------------------------------
# CLI flags
args = docopt(__doc__, version=__version__)
init_logging()
if args.get('--verbose'):
log.setLevel(logging.INFO)
elif args.get('--quiet'):
log.setLevel(logging.ERROR)
elif args.get('--debug'):
log.setLevel(logging.DEBUG)
else:
log.setLevel(DEFAULT_LOG_LEVEL)
log.debug('log level=%s', logging.getLevelName(log.level))
log.debug('args=%r', args)
# Build options
dry_run = args['--dry-run']
force = args['--force']
outputdir = os.path.abspath(args['--output'] or os.curdir)
workflow_dirs = [os.path.abspath(p) for p in args['<workflow-dir>']]
verbose = log.level == logging.DEBUG
log.debug(u'outputdir=%r, workflow_dirs=%r', outputdir, workflow_dirs)
# ------------------------------------------------------------
# Build workflow(s)
errors = False
for path in workflow_dirs:
ok = build_workflow(path, outputdir, force, verbose, dry_run)
if not ok:
errors = True
if errors:
return 1
return 0
if __name__ == '__main__':
sys.exit(main(sys.argv[1:]))
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