mirror of
https://github.com/kovidgoyal/calibre.git
synced 2025-10-31 18:47:02 -04:00
299 lines
9.3 KiB
Python
299 lines
9.3 KiB
Python
#!/usr/bin/env python
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__license__ = 'GPL v3'
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__copyright__ = '2009, Kovid Goyal <kovid@kovidgoyal.net>'
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__docformat__ = 'restructuredtext en'
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import errno
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import hashlib
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import os
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import re
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import shutil
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import subprocess
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import sys
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import tempfile
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import time
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from contextlib import contextmanager
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from functools import lru_cache
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iswindows = re.search(r'win(32|64)', sys.platform)
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ismacos = 'darwin' in sys.platform
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isfreebsd = 'freebsd' in sys.platform
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isnetbsd = 'netbsd' in sys.platform
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isdragonflybsd = 'dragonfly' in sys.platform
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isbsd = isnetbsd or isfreebsd or isdragonflybsd
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ishaiku = 'haiku1' in sys.platform
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islinux = not ismacos and not iswindows and not isbsd and not ishaiku
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is_ci = os.environ.get('CI', '').lower() == 'true'
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sys.setup_dir = os.path.dirname(os.path.abspath(__file__))
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SRC = os.path.abspath(os.path.join(os.path.dirname(sys.setup_dir), 'src'))
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sys.path.insert(0, SRC)
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sys.resources_location = os.path.join(os.path.dirname(SRC), 'resources')
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sys.extensions_location = os.path.abspath(os.environ.get('CALIBRE_SETUP_EXTENSIONS_PATH', os.path.join(SRC, 'calibre', 'plugins')))
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sys.running_from_setup = True
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__version__ = __appname__ = modules = functions = basenames = scripts = None
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_cache_dir_built = False
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def newer(targets, sources):
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if hasattr(targets, 'rjust'):
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targets = [targets]
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if hasattr(sources, 'rjust'):
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sources = [sources]
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for f in targets:
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if not os.path.exists(f):
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return True
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ttimes = (os.stat(x).st_mtime for x in targets)
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oldest_target = min(ttimes)
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try:
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stimes = (os.stat(x).st_mtime for x in sources)
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newest_source = max(stimes)
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except FileNotFoundError:
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newest_source = oldest_target +1
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return newest_source > oldest_target
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def dump_json(obj, path, indent=4):
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import json
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with open(path, 'wb') as f:
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data = json.dumps(obj, indent=indent)
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if not isinstance(data, bytes):
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data = data.encode('utf-8')
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f.write(data)
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@lru_cache
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def curl_supports_etags():
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return '--etag-compare' in subprocess.check_output(['curl', '--help', 'all']).decode('utf-8')
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def download_securely(url):
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# We use curl here as on some OSes (OS X) when bootstrapping calibre,
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# python will be unable to validate certificates until after cacerts is
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# installed
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if is_ci and iswindows:
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# curl is failing for wikipedia urls on CI (used for browser_data)
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from urllib.request import urlopen
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return urlopen(url).read()
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if not curl_supports_etags():
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return subprocess.check_output(['curl', '-fsSL', url])
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url_hash = hashlib.sha1(url.encode('utf-8')).hexdigest()
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cache_dir = os.path.join(os.path.dirname(os.path.dirname(os.path.abspath(__file__))), '.cache', 'download', url_hash)
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os.makedirs(cache_dir, exist_ok=True)
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subprocess.check_call(
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['curl', '-fsSL', '--etag-compare', 'etag.txt', '--etag-save', 'etag.txt', '-o', 'data.bin', url],
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cwd=cache_dir
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)
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with open(os.path.join(cache_dir, 'data.bin'), 'rb') as f:
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return f.read()
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def build_cache_dir():
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global _cache_dir_built
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ans = os.path.join(os.path.dirname(SRC), '.build-cache')
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if not _cache_dir_built:
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_cache_dir_built = True
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try:
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os.mkdir(ans)
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except OSError as err:
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if err.errno != errno.EEXIST:
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raise
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return ans
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def require_git_master(branch='master'):
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if subprocess.check_output(['git', 'symbolic-ref', '--short', 'HEAD']).decode('utf-8').strip() != branch:
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raise SystemExit(f'You must be in the {branch} git branch')
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def require_clean_git():
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c = subprocess.check_call
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p = subprocess.Popen
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c('git rev-parse --verify HEAD'.split(), stdout=subprocess.DEVNULL)
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c('git update-index -q --ignore-submodules --refresh'.split())
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if p('git diff-files --quiet --ignore-submodules'.split()).wait() != 0:
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raise SystemExit('You have unstaged changes in your working tree')
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if p('git diff-index --cached --quiet --ignore-submodules HEAD --'.split()).wait() != 0:
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raise SystemExit('Your git index contains uncommitted changes')
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def initialize_constants():
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global __version__, __appname__, modules, functions, basenames, scripts
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with open(os.path.join(SRC, 'calibre/constants.py'), 'rb') as f:
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src = f.read().decode('utf-8')
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nv = re.search(r'numeric_version\s+=\s+\((\d+), (\d+), (\d+)\)', src)
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__version__ = '.'.join((nv.group(1), nv.group(2), nv.group(3)))
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__appname__ = re.search(r'__appname__\s+=\s+(u{0,1})[\'"]([^\'"]+)[\'"]',
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src).group(2)
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with open(os.path.join(SRC, 'calibre/linux.py'), 'rb') as sf:
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epsrc = re.compile(r'entry_points = (\{.*?\})', re.DOTALL).\
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search(sf.read().decode('utf-8')).group(1)
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entry_points = eval(epsrc, {'__appname__': __appname__})
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def e2b(ep):
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return re.search(r'\s*(.*?)\s*=', ep).group(1).strip()
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def e2s(ep, base='src'):
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return (base+os.path.sep+re.search(r'.*=\s*(.*?):', ep).group(1).replace('.', '/')+'.py').strip()
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def e2m(ep):
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return re.search(r'.*=\s*(.*?)\s*:', ep).group(1).strip()
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def e2f(ep):
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return ep[ep.rindex(':')+1:].strip()
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basenames, functions, modules, scripts = {}, {}, {}, {}
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for x in ('console', 'gui'):
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y = x + '_scripts'
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basenames[x] = list(map(e2b, entry_points[y]))
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functions[x] = list(map(e2f, entry_points[y]))
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modules[x] = list(map(e2m, entry_points[y]))
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scripts[x] = list(map(e2s, entry_points[y]))
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initialize_constants()
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preferred_encoding = 'utf-8'
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prints = print
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warnings = []
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def get_warnings():
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return list(warnings)
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def edit_file(path):
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return subprocess.Popen([
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os.environ.get('EDITOR', 'vim'), '-S', os.path.join(SRC, '../session.vim'), '-f', path
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]).wait() == 0
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class Command:
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SRC = SRC
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RESOURCES = os.path.join(os.path.dirname(SRC), 'resources')
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description = ''
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sub_commands = []
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def __init__(self):
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self.d = os.path.dirname
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self.j = os.path.join
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self.a = os.path.abspath
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self.b = os.path.basename
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self.s = os.path.splitext
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self.e = os.path.exists
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self.orig_euid = os.geteuid() if hasattr(os, 'geteuid') else None
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self.real_uid = os.environ.get('SUDO_UID', None)
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self.real_gid = os.environ.get('SUDO_GID', None)
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self.real_user = os.environ.get('SUDO_USER', None)
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def drop_privileges(self):
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if not islinux or ismacos or isfreebsd:
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return
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if self.real_user is not None:
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self.info('Dropping privileges to those of', self.real_user+':',
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self.real_uid)
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if self.real_gid is not None:
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os.setegid(int(self.real_gid))
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if self.real_uid is not None:
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os.seteuid(int(self.real_uid))
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def regain_privileges(self):
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if not islinux or ismacos or isfreebsd:
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return
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if os.geteuid() != 0 and self.orig_euid == 0:
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self.info('Trying to get root privileges')
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os.seteuid(0)
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if os.getegid() != 0:
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os.setegid(0)
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def pre_sub_commands(self, opts):
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pass
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def running(self, cmd):
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from setup.commands import command_names
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if is_ci:
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self.info('::group::' + command_names[cmd])
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self.info('\n*')
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self.info('* Running', command_names[cmd])
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self.info('*\n')
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def run_cmd(self, cmd, opts):
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from setup.commands import command_names
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cmd.pre_sub_commands(opts)
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for scmd in cmd.sub_commands:
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self.run_cmd(scmd, opts)
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st = time.time()
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self.running(cmd)
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cmd.run(opts)
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self.info(f'* {command_names[cmd]} took {time.time() - st:.1f} seconds')
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if is_ci:
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self.info('::endgroup::')
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def run_all(self, opts):
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self.run_cmd(self, opts)
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def add_command_options(self, command, parser):
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import setup.commands as commands
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command.sub_commands = [getattr(commands, cmd) for cmd in
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command.sub_commands]
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for cmd in command.sub_commands:
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self.add_command_options(cmd, parser)
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command.add_options(parser)
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def add_all_options(self, parser):
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self.add_command_options(self, parser)
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def run(self, opts):
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pass
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def add_options(self, parser):
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pass
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def clean(self):
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pass
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@classmethod
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def newer(cls, targets, sources):
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'''
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Return True if sources is newer that targets or if targets
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does not exist.
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'''
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return newer(targets, sources)
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def info(self, *args, **kwargs):
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prints(*args, **kwargs)
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sys.stdout.flush()
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def warn(self, *args, **kwargs):
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print('\n'+'_'*20, 'WARNING','_'*20)
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prints(*args, **kwargs)
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print('_'*50)
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warnings.append((args, kwargs))
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sys.stdout.flush()
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@contextmanager
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def temp_dir(self, **kw):
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ans = tempfile.mkdtemp(**kw)
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try:
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yield ans
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finally:
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shutil.rmtree(ans)
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def installer_names(include_source=True):
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base = f'dist/{__appname__}'
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yield f'{base}-64bit-{__version__}.msi'
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yield f'{base}-{__version__}.dmg'
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yield f'{base}-portable-installer-{__version__}.exe'
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for arch in ('x86_64', 'arm64'):
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yield f'{base}-{__version__}-{arch}.txz'
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if include_source:
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yield f'{base}-{__version__}.tar.xz'
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