本文整理汇总了Python中os.access方法的典型用法代码示例。如果您正苦于以下问题:Python os.access方法的具体用法?Python os.access怎么用?Python os.access使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类os
的用法示例。
在下文中一共展示了os.access方法的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: find_executable
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def find_executable(name) -> str:
is_windows = os.name == 'nt'
windows_exts = os.environ['PATHEXT'].split(ENV_PATH_SEP) if is_windows else None
path_dirs = os.environ['PATH'].split(ENV_PATH_SEP)
search_dirs = path_dirs + [os.getcwd()] # cwd is last in the list
for dir in search_dirs:
path = os.path.join(dir, name)
if is_windows:
for extension in windows_exts:
path_with_ext = path + extension
if os.path.isfile(path_with_ext) and os.access(path_with_ext, os.X_OK):
return path_with_ext
else:
if os.path.isfile(path) and os.access(path, os.X_OK):
return path
return ''
示例2: start_download
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def start_download(self):
self.url.assert_no_error()
self.username.assert_no_error()
self.password.assert_no_error()
self.proxy.assert_no_error()
self.save_path.assert_no_error()
url = self.url.get_input()
proxy = self.proxy.get_input() or None
username = self.username.get_input()
password = self.password.get_input()
path_prefix = self.save_path.get_path()
if not os.access(path_prefix, os.W_OK):
return info("对下载文件夹没有写权限,请重新选择")
if self.downloader is not None:
if not self.downloader.done:
return info("请停止后再重新点击下载...")
self.downloader = pixiv_run(
url=url,
username=username,
password=password,
proxy=proxy,
path_prefix=path_prefix,
)
示例3: get_cache_dir
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def get_cache_dir(cachedir=None):
"""
Return EXOSIMS cache directory. Order of priority is:
1. Input (typically taken from JSON spec script)
2. EXOSIMS_CACHE_DIR environment variable
3. Default in $HOME/.EXOSIMS/cache (for whatever $HOME is returned by get_home_dir)
In each case, the directory is checked for read/write/access permissions. If
any permissions are missing, will return default path.
Returns:
cache_dir (str):
Path to EXOSIMS cache directory
"""
cache_dir = get_exosims_dir('cache',cachedir)
return cache_dir
示例4: get_downloads_dir
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def get_downloads_dir(downloadsdir=None):
"""
Return EXOSIMS downloads directory. Order of priority is:
1. Input (typically taken from JSON spec script)
2. EXOSIMS_CACHE_DIR environment variable
3. Default in $HOME/.EXOSIMS/downloads (for whatever $HOME is returned by get_home_dir)
In each case, the directory is checked for read/write/access permissions. If
any permissions are missing, will return default path.
Returns:
downloads_dir (str):
Path to EXOSIMS downloads directory
"""
downloads_dir = get_exosims_dir('downloads',downloadsdir)
return downloads_dir
示例5: __init__
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def __init__(self, n_pop=4, **specs):
FortneyMarleyCahoyMix1.__init__(self, **specs)
# number of category
self.n_pop = int(n_pop)
# read forecaster parameter file
downloadsdir = get_downloads_dir()
filename = 'fitting_parameters.h5'
parampath = os.path.join(downloadsdir, filename)
if not os.path.exists(parampath) and os.access(downloadsdir, os.W_OK|os.X_OK):
fitting_url = 'https://raw.github.com/dsavransky/forecaster/master/fitting_parameters.h5'
self.vprint("Fetching Forecaster fitting parameters from %s to %s" % (fitting_url, parampath))
try:
urlretrieve(fitting_url, parampath)
except:
self.vprint("Error: Remote fetch failed. Fetch manually or see install instructions.")
assert os.path.exists(parampath), 'fitting_parameters.h5 must exist in /.EXOSIMS/downloads'
h5 = h5py.File(parampath, 'r')
self.all_hyper = h5['hyper_posterior'][:]
h5.close()
示例6: get_output_filename
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def get_output_filename(self, user_outputname):
'''
check that we have permissions to write to output directory
adds 'dscalar.nii' to end of outputname if not already present
'''
outputname = os.path.realpath(user_outputname)
output_dir = os.path.dirname(outputname)
if not os.access(output_dir, os.W_OK):
logger.error('Cannot write to output file {}\n'\
'The folder does not exist, or you do not have permission to write there'\
''.format(outputname))
sys.exit(1)
if not outputname.endswith('dscalar.nii'):
if not outputname.endswith('dtseries.nii'):
logger.info("Appending '.dscalar.nii' extension to outputname")
outputname = '{}.dscalar.nii'.format(outputname)
return outputname
示例7: __init__
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def __init__(self, prefLabel, arity, altLabels=[], closures=[], extension=set()):
"""
:param prefLabel: the preferred label for the concept
:type prefLabel: str
:param arity: the arity of the concept
:type arity: int
@keyword altLabels: other (related) labels
:type altLabels: list
@keyword closures: closure properties of the extension \
(list items can be ``symmetric``, ``reflexive``, ``transitive``)
:type closures: list
@keyword extension: the extensional value of the concept
:type extension: set
"""
self.prefLabel = prefLabel
self.arity = arity
self.altLabels = altLabels
self.closures = closures
#keep _extension internally as a set
self._extension = extension
#public access is via a list (for slicing)
self.extension = sorted(list(extension))
示例8: find_config
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def find_config():
w = None
for f in search_config:
f = os.path.expanduser(f)
f = os.path.abspath(f)
d = os.path.dirname(f)
if os.path.exists(d):
if os.access(d, os.W_OK):
w = f
if os.path.exists(f):
if os.access(f, os.W_OK):
return f
elif os.access(os.path.dirname(d), os.W_OK):
os.makedirs(d)
w = f
if w is None:
print ("Cannot find suitable config path to write, create one in %s" % ' or '.join(search_config))
raise Exception("No config file")
return w
示例9: is_executable_available
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def is_executable_available(program):
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath = os.path.dirname(program)
if fpath:
if is_exe(program):
return True
else:
for path in os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return True
return False
示例10: which
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def which(program):
"""Locate `program` in PATH
Arguments:
program (str): Name of program, e.g. "python"
"""
def is_exe(fpath):
if os.path.isfile(fpath) and os.access(fpath, os.X_OK):
return True
return False
for path in os.environ["PATH"].split(os.pathsep):
for ext in os.getenv("PATHEXT", "").split(os.pathsep):
fname = program + ext.lower()
abspath = os.path.join(path.strip('"'), fname)
if is_exe(abspath):
return abspath
return None
示例11: which
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def which(program):
import os
def is_exe(fpath):
return os.path.isfile(fpath) and os.access(fpath, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
示例12: which
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def which(program):
import os
def is_exe(f):
return os.path.isfile(f) and os.access(f, os.X_OK)
fpath, fname = os.path.split(program)
if fpath:
if is_exe(program):
return program
else:
for path in os.environ["PATH"].split(os.pathsep):
path = path.strip('"')
exe_file = os.path.join(path, program)
if is_exe(exe_file):
return exe_file
return None
示例13: create_floppy_image
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def create_floppy_image(vlock_filename, floppy_image):
""" Creates the floppy image used to install the vlock file
"""
# Delete any existing image to start clean
if os.access(floppy_image, os.R_OK):
os.unlink(floppy_image)
subprocess.check_call("mkfs.vfat -C {} 1440".format(floppy_image),
shell=True)
floppy_mnt = "/tmp/mnt-dashboard"
os.mkdir(floppy_mnt)
subprocess.check_call("mount -o loop {} {}".format(floppy_image,
floppy_mnt),
shell=True)
shutil.copy(vlock_filename, os.path.join(floppy_mnt, "versionlock.list"))
subprocess.check_call("umount {}".format(floppy_mnt), shell=True)
os.rmdir(floppy_mnt)
示例14: extract_file_properties
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def extract_file_properties(self):
"""Extracts file size,
nb of dirs and classes in smali dir"""
if self.verbose:
print("------------- Extracting file properties")
self.properties.file_size = os.stat(self.absolute_filename).st_size
if self.properties.file_size < 70000:
self.properties.file_small = True
smali_dir = os.path.join(self.outdir, "smali")
if os.access(smali_dir, os.R_OK):
self.properties.file_nb_dir, self.properties.file_nb_classes = droidutil.count_filedirs(smali_dir)
if self.verbose:
print( "Filesize: %d" % (self.properties.file_size))
print( "Is Small: %d" % (self.properties.file_small))
print( "Nb Class: %d" % (self.properties.file_nb_classes))
print( "Nb Dir : %d" % (self.properties.file_nb_dir))
示例15: extract_kit_properties
# 需要导入模块: import os [as 别名]
# 或者: from os import access [as 别名]
def extract_kit_properties(self):
"""
Detects which kits are present in the sample currently analyzed
Returns something like: ['apperhand', 'jackson', 'applovin', 'leadbolt', 'airpush']
"""
list = []
if self.properties.filetype == droidutil.APK or self.properties.filetype == droidutil.DEX:
smali_dir = os.path.join(self.outdir, "smali")
if os.access(smali_dir, os.R_OK):
for section in self.properties.kitsconfig.get_sections():
pattern_list = self.properties.kitsconfig.get_pattern(section).split('|')
for pattern in pattern_list:
if os.access(os.path.join(smali_dir, pattern), os.R_OK):
if self.verbose:
print("kits[%s] = True (detected pattern: %s)" % (section, pattern))
list.append(section)
self.properties.kits[ section ] = True
break # break one level
return list