python类F_OK的实例源码

ez_setup.py 文件源码 项目:Adafruit_Python_PureIO 作者: adafruit 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def _clean_check(cmd, target):
    """
    Run the command to download target. If the command fails, clean up before
    re-raising the error.
    """
    try:
        subprocess.check_call(cmd)
    except subprocess.CalledProcessError:
        if os.access(target, os.F_OK):
            os.unlink(target)
        raise
base.py 文件源码 项目:Flask_Blog 作者: sugarguo 项目源码 文件源码 阅读 31 收藏 0 点赞 0 评论 0
def __init__(self, dir, file_template=_default_file_template,
                 truncate_slug_length=40,
                 version_locations=None,
                 sourceless=False, output_encoding="utf-8"):
        self.dir = dir
        self.file_template = file_template
        self.version_locations = version_locations
        self.truncate_slug_length = truncate_slug_length or 40
        self.sourceless = sourceless
        self.output_encoding = output_encoding
        self.revision_map = revision.RevisionMap(self._load_revisions)

        if not os.access(dir, os.F_OK):
            raise util.CommandError("Path doesn't exist: %r.  Please use "
                                    "the 'init' command to create a new "
                                    "scripts folder." % dir)
env.py 文件源码 项目:Flask_Blog 作者: sugarguo 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def write_script(
        scriptdir, rev_id, content, encoding='ascii', sourceless=False):
    old = scriptdir.revision_map.get_revision(rev_id)
    path = old.path

    content = textwrap.dedent(content)
    if encoding:
        content = content.encode(encoding)
    with open(path, 'wb') as fp:
        fp.write(content)
    pyc_path = util.pyc_file_from_path(path)
    if os.access(pyc_path, os.F_OK):
        os.unlink(pyc_path)
    script = Script._from_path(scriptdir, path)
    old = scriptdir.revision_map.get_revision(script.revision)
    if old.down_revision != script.down_revision:
        raise Exception("Can't change down_revision "
                        "on a refresh operation.")
    scriptdir.revision_map.add_revision(script, _replace=True)

    if sourceless:
        make_sourceless(path)
tasks.py 文件源码 项目:darkc0de-old-stuff 作者: tuwid 项目源码 文件源码 阅读 27 收藏 0 点赞 0 评论 0
def getTasksProcForce(self) :
        """ Get tasks list by bruteforcing /proc """

        for i in range(1, 65535, 1) :
            if(os.access("/proc/" + str(i) + "/status", os.F_OK) == True):
                l = self.openProcTaskStatus("/proc/" + str(i) + "/status")
                if(l != []):
                    self.tasks_procforce.map_tasks[int(l[0])] = [int(l[1]), int(l[2]), l[3], 0, 0]
                    self.tasks_procforce.list_tasks.append(int(l[0]))           

                    if(os.access("/proc/" + str(i) + "/task", os.F_OK) == True):
                        for srep in os.listdir("/proc/" + str(i) + "/task"):
                            if(srep != l[0]):
                                ll = self.openProcTaskStatus("/proc/" + str(i) + "/task/" + srep + "/status")
                                self.tasks_procforce.map_tasks[int(ll[0])] = [int(ll[1]), int(ll[2]), ll[3], 0, 1]
                                self.tasks_procforce.list_tasks.append(int(ll[0]))
creation.py 文件源码 项目:CodingDojo 作者: ComputerSocietyUNB 项目源码 文件源码 阅读 31 收藏 0 点赞 0 评论 0
def _clone_test_db(self, number, verbosity, keepdb=False):
        source_database_name = self.connection.settings_dict['NAME']
        target_database_name = self.get_test_db_clone_settings(number)['NAME']
        # Forking automatically makes a copy of an in-memory database.
        if not self.connection.is_in_memory_db(source_database_name):
            # Erase the old test database
            if os.access(target_database_name, os.F_OK):
                if keepdb:
                    return
                if verbosity >= 1:
                    print("Destroying old test database for alias %s..." % (
                        self._get_database_display_str(verbosity, target_database_name),
                    ))
                try:
                    os.remove(target_database_name)
                except Exception as e:
                    sys.stderr.write("Got an error deleting the old test database: %s\n" % e)
                    sys.exit(2)
            try:
                shutil.copy(source_database_name, target_database_name)
            except Exception as e:
                sys.stderr.write("Got an error cloning the test database: %s\n" % e)
                sys.exit(2)
uuid.py 文件源码 项目:hostapd-mana 作者: adde88 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
plugin.py 文件源码 项目:enigma2 作者: OpenLD 项目源码 文件源码 阅读 32 收藏 0 点赞 0 评论 0
def mountpoint_choosen(option):
    if option is None:
        return

    from Screens.ChoiceBox import ChoiceBox

    print "scanning", option
    (description, mountpoint, session) = option
    res = scanDevice(mountpoint)

    list = [ (r.description, r, res[r], session) for r in res ]

    if not list:
        from Screens.MessageBox import MessageBox
        if os.access(mountpoint, os.F_OK|os.R_OK):
            session.open(MessageBox, _("No displayable files on this medium found!"), MessageBox.TYPE_INFO, simple = True, timeout = 5)
        else:
            print "ignore", mountpoint, "because its not accessible"
        return

    session.openWithCallback(execute, ChoiceBox,
        title = _("The following files were found..."),
        list = list)
player.py 文件源码 项目:scarlett_os 作者: bossjones 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def on_debug_activate(self):
        dotfile = "/home/pi/dev/bossjones-github/scarlett_os/_debug/generator-player.dot"
        pngfile = "/home/pi/dev/bossjones-github/scarlett_os/_debug/generator-player-pipeline.png"  # NOQA

        parent_dir = get_parent_dir(dotfile)

        mkdir_if_does_not_exist(parent_dir)

        if os.access(dotfile, os.F_OK):
            os.remove(dotfile)
        if os.access(pngfile, os.F_OK):
            os.remove(pngfile)

        if not fname_exists(dotfile):
            touch_empty_file(dotfile)

        if not fname_exists(pngfile):
            touch_empty_file(pngfile)

        Gst.debug_bin_to_dot_file(self.pipeline,
                                  Gst.DebugGraphDetails.ALL, "generator-player")
        os.system('/usr/bin/dot' + " -Tpng -o " + pngfile + " " + dotfile)

    # Gstreamer callbacks.
uuid.py 文件源码 项目:OSPTF 作者: xSploited 项目源码 文件源码 阅读 33 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
uuid.py 文件源码 项目:OSPTF 作者: xSploited 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
cmds.py 文件源码 项目:demos 作者: dfirence 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def set_imageinfo( memoryFilePath ):
    path = r'{}'.format( memoryFilePath )
    path = os.path.abspath( path )
    try:
        if os.access( path, os.F_OK):
            if  os.access( path, os.R_OK ):
                cwd       = os.getcwd()
                imageinfo = [ 'vol.py', '-f', '{}'.format( path ), 'imageinfo',  \
                                        '--output=text', \
                                        '--output-file={}'.format( os.path.join( cwd, 'imageinfo.text' ))]
                return imageinfo
            else:
                print '\n[!] Error File Permissions: No Read Access for {}\n'.format( path )
        else:
            print '\n[!] Error FilePath:  Does not exist {}\n'.format( path )

    except Exception as set_imageinfo_error:
        print '[!] EXCEPTION ERROR:  < set_imageinfo > function'
        print set_imageinfo_error
uuid.py 文件源码 项目:CrowdAnki 作者: Stvad 项目源码 文件源码 阅读 34 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
uuid.py 文件源码 项目:Intranet-Penetration 作者: yuxiaokui 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
uuid.py 文件源码 项目:MKFQ 作者: maojingios 项目源码 文件源码 阅读 26 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
uuid.py 文件源码 项目:pupy 作者: ru-faraon 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
uuid.py 文件源码 项目:pupy 作者: ru-faraon 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)
plugin.py 文件源码 项目:enigma2 作者: Openeight 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def mountpoint_choosen(option):
    if option is None:
        return

    from Screens.ChoiceBox import ChoiceBox

    print "scanning", option
    (description, mountpoint, session) = option
    res = scanDevice(mountpoint)

    list = [ (r.description, r, res[r], session) for r in res ]

    if not list:
        from Screens.MessageBox import MessageBox
        if os.access(mountpoint, os.F_OK|os.R_OK):
            session.open(MessageBox, _("No displayable files on this medium found!"), MessageBox.TYPE_INFO, simple = True, timeout = 5)
        else:
            print "ignore", mountpoint, "because its not accessible"
        return

    session.openWithCallback(execute, ChoiceBox,
        title = _("The following files were found..."),
        list = list)
basic.py 文件源码 项目:DevOps 作者: YoLoveLife 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def _set_cwd(self):
        try:
            cwd = os.getcwd()
            if not os.access(cwd, os.F_OK|os.R_OK):
                raise
            return cwd
        except:
            # we don't have access to the cwd, probably because of sudo.
            # Try and move to a neutral location to prevent errors
            for cwd in [os.path.expandvars('$HOME'), tempfile.gettempdir()]:
                try:
                    if os.access(cwd, os.F_OK|os.R_OK):
                        os.chdir(cwd)
                        return cwd
                except:
                    pass
        # we won't error here, as it may *not* be a problem,
        # and we don't want to break modules unnecessarily
        return None
autowrap.py 文件源码 项目:zippy 作者: securesystemslab 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def wrap_code(self, routine, helpers=[]):

        workdir = self.filepath or tempfile.mkdtemp("_sympy_compile")
        if not os.access(workdir, os.F_OK):
            os.mkdir(workdir)
        oldwork = os.getcwd()
        os.chdir(workdir)
        try:
            sys.path.append(workdir)
            self._generate_code(routine, helpers)
            self._prepare_files(routine)
            self._process_files(routine)
            mod = __import__(self.module_name)
        finally:
            sys.path.remove(workdir)
            CodeWrapper._module_counter += 1
            os.chdir(oldwork)
            if not self.filepath:
                shutil.rmtree(workdir)

        return self._get_wrapped_function(mod)
base.py 文件源码 项目:chihu 作者: yelongyu 项目源码 文件源码 阅读 31 收藏 0 点赞 0 评论 0
def __init__(self, dir, file_template=_default_file_template,
                 truncate_slug_length=40,
                 version_locations=None,
                 sourceless=False, output_encoding="utf-8"):
        self.dir = dir
        self.file_template = file_template
        self.version_locations = version_locations
        self.truncate_slug_length = truncate_slug_length or 40
        self.sourceless = sourceless
        self.output_encoding = output_encoding
        self.revision_map = revision.RevisionMap(self._load_revisions)

        if not os.access(dir, os.F_OK):
            raise util.CommandError("Path doesn't exist: %r.  Please use "
                                    "the 'init' command to create a new "
                                    "scripts folder." % dir)
env.py 文件源码 项目:chihu 作者: yelongyu 项目源码 文件源码 阅读 24 收藏 0 点赞 0 评论 0
def write_script(
        scriptdir, rev_id, content, encoding='ascii', sourceless=False):
    old = scriptdir.revision_map.get_revision(rev_id)
    path = old.path

    content = textwrap.dedent(content)
    if encoding:
        content = content.encode(encoding)
    with open(path, 'wb') as fp:
        fp.write(content)
    pyc_path = util.pyc_file_from_path(path)
    if os.access(pyc_path, os.F_OK):
        os.unlink(pyc_path)
    script = Script._from_path(scriptdir, path)
    old = scriptdir.revision_map.get_revision(script.revision)
    if old.down_revision != script.down_revision:
        raise Exception("Can't change down_revision "
                        "on a refresh operation.")
    scriptdir.revision_map.add_revision(script, _replace=True)

    if sourceless:
        make_sourceless(path)
git_interface.py 文件源码 项目:marvin-django 作者: programa-stic 项目源码 文件源码 阅读 22 收藏 0 点赞 0 评论 0
def crear_repo(package_name):
    md5hash_pn = md5(package_name).hexdigest()
    first_pref = md5hash_pn[0:2]
    second_pref = md5hash_pn[2:4]
    workingdir = root_git_dir+"/"+first_pref+"/"+second_pref+"/" + package_name
    if not(os.access(root_git_dir+"/"+first_pref, os.F_OK)):
        os.mkdir(root_git_dir+"/"+first_pref)
        os.mkdir(root_git_dir+"/"+first_pref+"/"+second_pref)
    elif not(os.access(root_git_dir+"/"+first_pref+"/"+second_pref, os.F_OK)):
        os.mkdir(root_git_dir+"/"+first_pref+"/"+second_pref)
    repo = pygit2.init_repository(workingdir)
    dashed_package_name=package_name.replace('.','-').lower()
    myRemote = repo.remotes.create(package_name, gitlab_url+'/marvin/'+dashed_package_name+'.git')
    gl = Gitlab (gitlab_url, gitlab_token)
    gl.auth()
    p = gl.Project({'name': package_name, 'public':True})
    p.save()
    return repo
base.py 文件源码 项目:ShelbySearch 作者: Agentscreech 项目源码 文件源码 阅读 29 收藏 0 点赞 0 评论 0
def __init__(self, dir, file_template=_default_file_template,
                 truncate_slug_length=40,
                 version_locations=None,
                 sourceless=False, output_encoding="utf-8",
                 timezone=None):
        self.dir = dir
        self.file_template = file_template
        self.version_locations = version_locations
        self.truncate_slug_length = truncate_slug_length or 40
        self.sourceless = sourceless
        self.output_encoding = output_encoding
        self.revision_map = revision.RevisionMap(self._load_revisions)
        self.timezone = timezone

        if not os.access(dir, os.F_OK):
            raise util.CommandError("Path doesn't exist: %r.  Please use "
                                    "the 'init' command to create a new "
                                    "scripts folder." % dir)
env.py 文件源码 项目:ShelbySearch 作者: Agentscreech 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def write_script(
        scriptdir, rev_id, content, encoding='ascii', sourceless=False):
    old = scriptdir.revision_map.get_revision(rev_id)
    path = old.path

    content = textwrap.dedent(content)
    if encoding:
        content = content.encode(encoding)
    with open(path, 'wb') as fp:
        fp.write(content)
    pyc_path = util.pyc_file_from_path(path)
    if os.access(pyc_path, os.F_OK):
        os.unlink(pyc_path)
    script = Script._from_path(scriptdir, path)
    old = scriptdir.revision_map.get_revision(script.revision)
    if old.down_revision != script.down_revision:
        raise Exception("Can't change down_revision "
                        "on a refresh operation.")
    scriptdir.revision_map.add_revision(script, _replace=True)

    if sourceless:
        make_sourceless(path)
solvers.py 文件源码 项目:MatchingMarkets.py 作者: QuantEcon 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def setTmpDir(self):
        """Set the tmpDir attribute to a reasonnable location for a temporary
        directory"""
        if os.name != 'nt':
            # On unix use /tmp by default
            self.tmpDir = os.environ.get("TMPDIR", "/tmp")
            self.tmpDir = os.environ.get("TMP", self.tmpDir)
        else:
            # On Windows use the current directory
            self.tmpDir = os.environ.get("TMPDIR", "")
            self.tmpDir = os.environ.get("TMP", self.tmpDir)
            self.tmpDir = os.environ.get("TEMP", self.tmpDir)
        if not os.path.isdir(self.tmpDir):
            self.tmpDir = ""
        elif not os.access(self.tmpDir, os.F_OK + os.W_OK):
            self.tmpDir = ""
iplGenerateModel.py 文件源码 项目:nist_mni_pipelines 作者: vfonov 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def do_cleanup(self):
        """cleanup temporary files"""

        super(ModelIterationSample, self).do_cleanup()

        if self.temp:
            for i in (
                self.transform,
                self.inv_transform,
                self.corr_transform,
                self.corr_mri,
                self.diff_bias,
                self.corr_bias,
                self.transform_grid,
                self.inv_transform_grid,
                self.corr_transform_grid0,
                self.corr_transform_grid1,
                ):
                if os.access(i, os.F_OK):
                    os.unlink(i)
creation.py 文件源码 项目:DjangoBlog 作者: 0daybug 项目源码 文件源码 阅读 23 收藏 0 点赞 0 评论 0
def _create_test_db(self, verbosity, autoclobber, keepdb=False):
        test_database_name = self._get_test_db_name()

        if keepdb:
            return test_database_name
        if not self.connection.is_in_memory_db(test_database_name):
            # Erase the old test database
            if verbosity >= 1:
                print("Destroying old test database '%s'..." % self.connection.alias)
            if os.access(test_database_name, os.F_OK):
                if not autoclobber:
                    confirm = input(
                        "Type 'yes' if you would like to try deleting the test "
                        "database '%s', or 'no' to cancel: " % test_database_name
                    )
                if autoclobber or confirm == 'yes':
                    try:
                        os.remove(test_database_name)
                    except Exception as e:
                        sys.stderr.write("Got an error deleting the old test database: %s\n" % e)
                        sys.exit(2)
                else:
                    print("Tests cancelled.")
                    sys.exit(1)
        return test_database_name
base.py 文件源码 项目:Price-Comparator 作者: Thejas-1 项目源码 文件源码 阅读 25 收藏 0 点赞 0 评论 0
def __init__(self, dir, file_template=_default_file_template,
                 truncate_slug_length=40,
                 version_locations=None,
                 sourceless=False, output_encoding="utf-8"):
        self.dir = dir
        self.file_template = file_template
        self.version_locations = version_locations
        self.truncate_slug_length = truncate_slug_length or 40
        self.sourceless = sourceless
        self.output_encoding = output_encoding
        self.revision_map = revision.RevisionMap(self._load_revisions)

        if not os.access(dir, os.F_OK):
            raise util.CommandError("Path doesn't exist: %r.  Please use "
                                    "the 'init' command to create a new "
                                    "scripts folder." % dir)
env.py 文件源码 项目:Price-Comparator 作者: Thejas-1 项目源码 文件源码 阅读 21 收藏 0 点赞 0 评论 0
def write_script(
        scriptdir, rev_id, content, encoding='ascii', sourceless=False):
    old = scriptdir.revision_map.get_revision(rev_id)
    path = old.path

    content = textwrap.dedent(content)
    if encoding:
        content = content.encode(encoding)
    with open(path, 'wb') as fp:
        fp.write(content)
    pyc_path = util.pyc_file_from_path(path)
    if os.access(pyc_path, os.F_OK):
        os.unlink(pyc_path)
    script = Script._from_path(scriptdir, path)
    old = scriptdir.revision_map.get_revision(script.revision)
    if old.down_revision != script.down_revision:
        raise Exception("Can't change down_revision "
                        "on a refresh operation.")
    scriptdir.revision_map.add_revision(script, _replace=True)

    if sourceless:
        make_sourceless(path)
uuid.py 文件源码 项目:oil 作者: oilshell 项目源码 文件源码 阅读 28 收藏 0 点赞 0 评论 0
def _popen(command, args):
    import os
    path = os.environ.get("PATH", os.defpath).split(os.pathsep)
    path.extend(('/sbin', '/usr/sbin'))
    for dir in path:
        executable = os.path.join(dir, command)
        if (os.path.exists(executable) and
            os.access(executable, os.F_OK | os.X_OK) and
            not os.path.isdir(executable)):
            break
    else:
        return None
    # LC_ALL to ensure English output, 2>/dev/null to prevent output on
    # stderr (Note: we don't have an example where the words we search for
    # are actually localized, but in theory some system could do so.)
    cmd = 'LC_ALL=C %s %s 2>/dev/null' % (executable, args)
    return os.popen(cmd)


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