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cosmetics (blackify)

This commit is contained in:
Ionuț Ciocîrlan 2020-03-20 19:31:53 +02:00
parent 0f73184173
commit 72c5850f78
1 changed files with 98 additions and 79 deletions
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171
assets/installer.py
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@ -13,55 +13,60 @@ except ImportError:
from urllib import urlretrieve
_IS_WIN = sys.platform == 'win32'
_IS_WIN = sys.platform == "win32"
if not _IS_WIN:
sys.stdin = open('/dev/tty', 'r')
sys.stdin = open("/dev/tty", "r")
if sys.version_info.major == 2:
input = raw_input
_silent = os.environ.get('LEKTOR_SILENT')
_silent = os.environ.get("LEKTOR_SILENT")
_PROMPT = (
_silent is None
or _silent.lower() in ('', '0', 'off', 'false')
or _silent.lower() in ("", "0", "off", "false")
)
def get_confirmation():
if _PROMPT is False:
return
while True:
user_input = input('Continue? [Yn] ').lower().strip()
user_input = input("Continue? [Yn] ").lower().strip()
if user_input in ('', 'y'):
if user_input in ("", "y"):
print()
return
if user_input == 'n':
if user_input == "n":
print()
print('Aborted!')
print("Aborted!")
sys.exit()
def fail(message):
print('Error: %s' % message, file=sys.stderr)
print("Error: %s" % message, file=sys.stderr)
sys.exit(1)
def multiprint(*lines, **kwargs):
for line in lines:
print(line, **kwargs)
class Installer(object):
APP_NAME = 'lektor'
VIRTUALENV_URL = 'https://bootstrap.pypa.io/virtualenv.pyz'
APP_NAME = "lektor"
VIRTUALENV_URL = "https://bootstrap.pypa.io/virtualenv.pyz"
def __init__(self):
multiprint('',
'Welcome to Lektor',
'',
'This script will install Lektor on your computer.',
'')
multiprint(
"",
"Welcome to Lektor",
"",
"This script will install Lektor on your computer.",
"",
)
self.compute_location()
@ -77,8 +82,10 @@ class Installer(object):
self.create_virtualenv()
self.install_lektor()
multiprint('',
'All done!')
multiprint(
"",
"All done!",
)
def compute_location(self):
# this method must set self.lib_dir
@ -100,7 +107,7 @@ class Installer(object):
self.mkvirtualenv(self.lib_dir)
def install_lektor(self):
call([self.get_pip(), 'install', '--upgrade', 'Lektor'])
call([self.get_pip(), "install", "--upgrade", "Lektor"])
def get_pip(self):
raise NotImplementedError()
@ -142,7 +149,7 @@ class Installer(object):
venv_exec = which("virtualenv")
if venv_exec:
retval = call([venv_exec, '-p', sys.executable, target_dir])
retval = call([venv_exec, "-p", sys.executable, target_dir])
if retval:
sys.exit(1)
created = True
@ -169,37 +176,43 @@ class Installer(object):
@staticmethod
def deletion_error(func, path, excinfo):
multiprint('Problem deleting {}'.format(path),
'Please try and delete {} manually'.format(path),
'Aborted!',
file=sys.stderr)
multiprint(
"Problem deleting {}".format(path),
"Please try and delete {} manually".format(path),
"Aborted!",
file=sys.stderr,
)
sys.exit(1)
_HOME = os.environ.get('HOME')
_HOME = os.environ.get("HOME")
class PosixInstaller(Installer):
# prefer system bin dirs
KNOWN_BIN_PATHS = ['/usr/local/bin', '/opt/local/bin']
KNOWN_BIN_PATHS = ["/usr/local/bin", "/opt/local/bin"]
if _HOME: # true on *nix, but we need it to prevent blowing up on windows
KNOWN_BIN_PATHS.extend([
os.path.join(_HOME, '.bin'),
os.path.join(_HOME, '.local', 'bin'),
])
KNOWN_BIN_PATHS.extend(
[os.path.join(_HOME, ".bin"), os.path.join(_HOME, ".local", "bin"),]
)
def prompt_installation(self):
multiprint('Installing at:',
' bin: %s' % self.bin_dir,
' app: %s' % self.lib_dir,
'')
multiprint(
"Installing at:",
" bin: %s" % self.bin_dir,
" app: %s" % self.lib_dir,
"",
)
def prompt_wipe(self):
multiprint('Lektor seems to be installed already.',
'Continuing will delete:',
' %s' % self.lib_dir,
'and remove this symlink:',
' %s' % self.symlink_path,
'')
multiprint(
"Lektor seems to be installed already.",
"Continuing will delete:",
" %s" % self.lib_dir,
"and remove this symlink:",
" %s" % self.symlink_path,
"",
)
def compute_location(self):
"""
@ -210,13 +223,16 @@ class PosixInstaller(Installer):
# look for writable directories in the user's $PATH
# (that are not sbin)
paths = [
item for item in os.environ['PATH'].split(':')
if not item.endswith('/sbin') and os.access(item, os.W_OK)
item
for item in os.environ["PATH"].split(":")
if not item.endswith("/sbin") and os.access(item, os.W_OK)
]
if not paths:
fail('None of the items in $PATH are writable. Run with '
'sudo or add a $PATH item that you have access to.')
fail(
"None of the items in $PATH are writable. Run with "
"sudo or add a $PATH item that you have access to."
)
# ... and prioritize them according to KNOWN_BIN_PATHS.
# this makes sure we perform a system install when possible.
@ -224,25 +240,24 @@ class PosixInstaller(Installer):
try:
return self.KNOWN_BIN_PATHS.index(path)
except ValueError:
return float('inf')
return float("inf")
paths.sort(key=_sorter)
lib_dir = None
home = os.environ['HOME']
for path in paths:
if path.startswith(home):
lib_dir = os.path.join(home, '.local', 'lib', self.APP_NAME)
if path.startswith(_HOME):
lib_dir = os.path.join(_HOME, ".local", "lib", self.APP_NAME)
break
if path.endswith('/bin'):
if path.endswith("/bin"):
parent = os.path.dirname(path)
lib_dir = os.path.join(parent, 'lib', self.APP_NAME)
lib_dir = os.path.join(parent, "lib", self.APP_NAME)
break
if lib_dir is None:
fail('Could not determine installation location for Lektor.')
fail("Could not determine installation location for Lektor.")
self.bin_dir = path
self.lib_dir = lib_dir
@ -262,32 +277,36 @@ class PosixInstaller(Installer):
shutil.rmtree(self.lib_dir, onerror=self.deletion_error)
def get_pip(self):
return os.path.join(self.lib_dir, 'bin', 'pip')
return os.path.join(self.lib_dir, "bin", "pip")
def install_lektor(self):
super(PosixInstaller, self).install_lektor()
bin = os.path.join(self.lib_dir, 'bin', 'lektor')
bin = os.path.join(self.lib_dir, "bin", "lektor")
os.symlink(bin, self.symlink_path)
class WindowsInstaller(Installer):
APP_NAME = 'lektor-cli' # backwards-compatibility with previous installer
LIB_DIR = 'lib'
APP_NAME = "lektor-cli" # backwards-compatibility with previous installer
LIB_DIR = "lib"
def prompt_installation(self):
multiprint('Installing at:',
' %s' % self.install_dir,
'')
multiprint(
"Installing at:",
" %s" % self.install_dir,
"",
)
def prompt_wipe(self):
multiprint('Lektor seems to be installed already.',
'Continuing will delete:',
' %s' % self.install_dir,
'')
multiprint(
"Lektor seems to be installed already.",
"Continuing will delete:",
" %s" % self.install_dir,
"",
)
def compute_location(self):
install_dir = os.path.join(os.environ['LocalAppData'], self.APP_NAME)
install_dir = os.path.join(os.environ["LocalAppData"], self.APP_NAME)
lib_dir = os.path.join(install_dir, self.LIB_DIR)
self.install_dir = install_dir
@ -300,16 +319,16 @@ class WindowsInstaller(Installer):
shutil.rmtree(self.install_dir, onerror=self.deletion_error)
def get_pip(self):
return os.path.join(self.lib_dir, 'Scripts', 'pip.exe')
return os.path.join(self.lib_dir, "Scripts", "pip.exe")
def install_lektor(self):
super(WindowsInstaller, self).install_lektor()
exe = os.path.join(self.lib_dir, 'Scripts', 'lektor.exe')
link = os.path.join(self.install_dir, 'lektor.cmd')
exe = os.path.join(self.lib_dir, "Scripts", "lektor.exe")
link = os.path.join(self.install_dir, "lektor.cmd")
with open(link, 'w') as link_file:
link_file.write('@echo off\n')
with open(link, "w") as link_file:
link_file.write("@echo off\n")
link_file.write('"{}" %*'.format(exe))
self.add_to_path(self.install_dir)
@ -332,23 +351,23 @@ class WindowsInstaller(Installer):
HWND_BROADCAST = 0xFFFF
WM_SETTINGCHANGE = 0x1A
reg_key = OpenKey(HKEY_CURRENT_USER, 'Environment', 0, KEY_ALL_ACCESS)
reg_key = OpenKey(HKEY_CURRENT_USER, "Environment", 0, KEY_ALL_ACCESS)
try:
path_value, _ = QueryValueEx(reg_key, 'Path')
path_value, _ = QueryValueEx(reg_key, "Path")
except WindowsError:
path_value = ''
path_value = ""
paths = path_value.split(';')
paths = path_value.split(";")
if location not in paths:
paths.append(location)
path_value = ';'.join(paths)
SetValueEx(reg_key, 'Path', 0, REG_EXPAND_SZ, path_value)
path_value = ";".join(paths)
SetValueEx(reg_key, "Path", 0, REG_EXPAND_SZ, path_value)
SendMessage = ctypes.windll.user32.SendMessageW
SendMessage.argtypes = HWND, UINT, WPARAM, LPVOID
SendMessage.restype = LPARAM
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, u'Environment')
SendMessage(HWND_BROADCAST, WM_SETTINGCHANGE, 0, u"Environment")
class Progress(object):
@ -388,5 +407,5 @@ install = WindowsInstaller if _IS_WIN \
else PosixInstaller
if __name__ == '__main__':
if __name__ == "__main__":
install()