本文整理汇总了Python中GLIUtility.is_file方法的典型用法代码示例。如果您正苦于以下问题:Python GLIUtility.is_file方法的具体用法?Python GLIUtility.is_file怎么用?Python GLIUtility.is_file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GLIUtility
的用法示例。
在下文中一共展示了GLIUtility.is_file方法的8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: get_best_version_vdb_chroot
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
def get_best_version_vdb_chroot(self, package):
if package.startswith('='):
package = package[1:]
if GLIUtility.is_file(self._chroot_dir + "/var/db/pkg/" + package):
return package
else:
return ""
else:
return GLIUtility.spawn("portageq best_version / " + package, chroot=self._chroot_dir, return_output=True)[1].strip()
示例2: _partition_resize_step
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
def _partition_resize_step(self, parted_disk, device, oldparts, newparts):
for oldpart in oldparts:
tmppart_old = oldparts[oldpart]
devnode = tmppart_old['devnode']
newminor = self._find_existing_in_new(oldpart, newparts)
if not newminor or not newparts[newminor]['resized']:
continue
tmppart_new = newparts[newminor]
type = tmppart_new['type']
start = tmppart_new['start']
end = start + (long(tmppart['mb']) * MEGABYTE / 512) - 1
total_sectors = end - start + 1
total_bytes = long(total_sectors) * 512
# Make sure calculated end sector doesn't overlap start sector of next partition
nextminor = self._find_next_partition(newminor, newparts)
if nextminor:
if newparts[nextminor]['start'] and end >= newparts[nextminor]['start']:
self._logger.log(" End sector for growing partition overlaps with start of next partition...fixing")
end = newparts[nextminor]['start'] - 1
# sleep a bit first
time.sleep(3)
# now sleep until it exists
while not GLIUtility.is_file(device + str(minor)):
self._logger.log("Waiting for device node " + devnode + " to exist before resizing")
time.sleep(1)
# one bit of extra sleep is needed, as there is a blip still
time.sleep(3)
if type in ("ext2", "ext3"):
ret = GLIUtility.spawn("resize2fs " + devnode + " " + str(total_sectors) + "s", logfile=self._compile_logfile, append_log=True)
if not GLIUtility.exitsuccess(ret): # Resize error
raise GLIException("PartitionResizeError", 'fatal', 'partition', "could not resize ext2/3 filesystem on " + devnode)
elif type == "ntfs":
ret = GLIUtility.spawn("yes | ntfsresize -v --size " + str(total_bytes) + " " + devnode, logfile=self._compile_logfile, append_log=True)
if not GLIUtility.exitsuccess(ret): # Resize error
raise GLIException("PartitionResizeError", 'fatal', 'partition', "could not resize NTFS filesystem on " + devnode)
elif type in ("linux-swap", "fat32", "fat16"):
parted_fs = parted_disk.get_partition(part).geom.file_system_open()
resize_constraint = parted_fs.get_resize_constraint()
if total_sectors < resize_constraint.min_size or start != resize_constraint.start_range.start:
raise GLIException("PartitionError", 'fatal', 'partition', "New size specified for " + device + str(minor) + " is not within allowed boundaries (blame parted)")
new_geom = resize_constraint.start_range.duplicate()
new_geom.set_start(start)
new_geom.set_end(end)
try:
parted_fs.resize(new_geom)
except:
raise GLIException("PartitionResizeError", 'fatal', 'partition', "could not resize " + device + str(minor))
self._logger.log(" Deleting old minor " + str(oldpart) + " to be recreated in 3rd pass")
self._delete_partition(parted_disk, oldpart)
parted_disk.delete_all()
parted_disk.commit()
示例3: _map_device_to_grub_device
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
def _map_device_to_grub_device(self, device):
file_name = self._chroot_dir + "/boot/grub/glidevice.map"
#If we can't find it, make it. If we STILL can't find it. die.
if not GLIUtility.is_file(file_name):
exitstatus1 = GLIUtility.spawn("echo quit | "+ self._chroot_dir+"/sbin/grub --batch --no-floppy --device-map="+file_name, logfile=self._compile_logfile, append_log=True)
if not GLIUtility.is_file(file_name):
raise GLIException("BootloaderError", 'fatal', '_configure_grub', "Error making the new device map.")
"""
read the device map. sample looks like this:
(fd0) /dev/floppy/0
(hd0) /dev/sda
(hd1) /dev/hda
(hd2) /dev/hdb
"""
# Search for the key
f = open(file_name) #open the device map
file = f.readlines()
f.close()
for i in range(len(file)):
if file[i][6:-1] == device:
return file[i][1:4]
raise GLIException("BootloaderError", 'fatal', '_map_device_to_grub_device', "ERROR, could not map"+device+" to anything in the device map")
示例4: copy_pkg_to_chroot
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
def copy_pkg_to_chroot(self, package, use_root=False, ignore_missing=False):
symlinks = { '/bin': '/mnt/livecd/bin/', '/boot': '/mnt/livecd/boot/', '/lib': '/mnt/livecd/lib/',
'/opt': '/mnt/livecd/opt/', '/sbin': '/mnt/livecd/sbin/', '/usr': '/mnt/livecd/usr/',
'/etc/gconf': '/usr/livecd/gconf/' }
tmpdir = "/var/tmp/portage"
image_dir = tmpdir + "/" + package.split("/")[1] + "/image"
root_cmd = ""
tmp_chroot_dir = self._chroot_dir
portage_tmpdir = "/var/tmp/portage"
vdb_dir = "/var/db/pkg/"
if use_root:
root_cmd = "ROOT=" + self._chroot_dir
tmp_chroot_dir = ""
portage_tmpdir = self._chroot_dir + "/var/tmp/portage"
vdb_dir = self._chroot_dir + "/var/db/pkg/"
# Create /tmp, /var/tmp, and /var/lib/portage with proper permissions
oldumask = os.umask(0)
if not os.path.exists(self._chroot_dir + "/tmp"):
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): /tmp doesn't exist in chroot...creating with proper permissions")
try:
os.mkdir(self._chroot_dir + "/tmp", 01777)
except:
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Failed to create /tmp in chroot")
if not os.path.exists(self._chroot_dir + "/var/tmp"):
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): /var/tmp doesn't exist in chroot...creating with proper permissions")
try:
os.mkdir(self._chroot_dir + "/var", 0755)
except:
pass
try:
os.mkdir(self._chroot_dir + "/var/tmp", 01777)
except:
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Failed to create /var/tmp in chroot")
if not os.path.exists(self._chroot_dir + "/var/lib/portage"):
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): /var/lib/portage doesn't exist in chroot...creating with proper permissions")
try:
os.mkdir(self._chroot_dir + "/var/lib", 0755)
except:
pass
try:
os.mkdir(self._chroot_dir + "/var/lib/portage", 02750)
except:
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Failed to create /var/lib/portage in chroot")
os.umask(oldumask)
# Check to see if package is actually in vdb
if not GLIUtility.is_file("/var/db/pkg/" + package):
if ignore_missing:
if self._debug:
self._logger.log("DEBUG: copy_pkg_to_chroot(): package " + package + " does not have a vdb entry but ignore_missing=True...ignoring error")
return
else:
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "There is no vdb entry for " + package)
# Copy the vdb entry for the package from the LiveCD to the chroot
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): copying vdb entry for " + package)
if not GLIUtility.exitsuccess(GLIUtility.spawn("mkdir -p " + self._chroot_dir + "/var/db/pkg/" + package + " && cp -a /var/db/pkg/" + package + "/* " + self._chroot_dir + "/var/db/pkg/" + package, logfile=self._compile_logfile, append_log=True)):
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not copy vdb entry for " + package)
# Create the image dir in the chroot
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running 'mkdir -p " + self._chroot_dir + image_dir + "'")
if not GLIUtility.exitsuccess(GLIUtility.spawn("mkdir -p " + self._chroot_dir + image_dir, logfile=self._compile_logfile, append_log=True)):
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not create image dir for " + package)
# Create list of files for tar to work with from CONTENTS file in vdb entry
entries = self.parse_vdb_contents("/var/db/pkg/" + package + "/CONTENTS")
if not entries:
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): no files for " + package + "...skipping tar and symlink fixup")
else:
# if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot: files for " + package + ": " + str(entries))
try:
tarfiles = open("/tmp/tarfilelist", "w")
for entry in entries:
parts = entry.split(" ")
# # Hack for symlink crappiness
# for symlink in symlinks:
# if parts[0].startswith(symlink):
# parts[0] = symlinks[symlink] + parts[0][len(symlink):]
tarfiles.write(parts[0] + "\n")
tarfiles.close()
except:
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not create filelist for " + package)
# Use tar to transfer files into IMAGE directory
if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running 'tar -cp --files-from=/tmp/tarfilelist --no-recursion 2>/dev/null | tar -C " + self._chroot_dir + image_dir + " -xp'")
if not GLIUtility.exitsuccess(GLIUtility.spawn("tar -cp --files-from=/tmp/tarfilelist --no-recursion 2>/dev/null | tar -C " + self._chroot_dir + image_dir + " -xp", logfile=self._compile_logfile, append_log=True)):
raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "Could not execute tar for " + package)
# Fix mode, uid, and gid of directories
# if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): running find " + self._chroot_dir + image_dir + " -type d 2>/dev/null | sed -e 's:^" + self._chroot_dir + image_dir + "::' | grep -v '^$'")
# dirlist = GLIUtility.spawn("find " + self._chroot_dir + image_dir + " -type d 2>/dev/null | sed -e 's:^" + self._chroot_dir + image_dir + "::' | grep -v '^$'", return_output=True)[1].strip().split("\n")
# if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): found the following directories: " + str(dirlist))
# if not dirlist or dirlist[0] == "":
# raise GLIException("CopyPackageToChrootError", 'fatal', 'copy_pkg_to_chroot', "directory list entry for " + package + "...this shouldn't happen!")
# for dir in dirlist:
# dirstat = os.stat(dir)
# if self._debug: self._logger.log("DEBUG: copy_pkg_to_chroot(): setting mode " + str(dirstat[0]) + " and uid/gid " + str(dirstat[4]) + "/" + str(dirstat[5]) + " for directory " + self._chroot_dir + image_dir + dir)
# os.chown(self._chroot_dir + image_dir + dir, dirstat[4], dirstat[5])
#.........这里部分代码省略.........
示例5: usage
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
elif arg == "-g" or arg == "--grp":
mode = "grp"
elif arg == "-s" or arg == "--stage3":
mode = "stage3"
elif arg == "-h" or arg == "--help":
usage(progname)
sys.exit(0)
elif arg[0] == "-":
usage(progname)
sys.exit(1)
else:
grp_packages.append(arg)
gliportage = GLIPortage(chroot_dir, True, None, False, None, None)
if mode == "stage3":
if not GLIUtility.is_file("/usr/livecd/systempkgs.txt"):
print "Required file /usr/livecd/systempkgs.txt does not exist!"
sys.exit(1)
try:
syspkgs = open("/usr/livecd/systempkgs.txt", "r")
systempkgs = syspkgs.readlines()
syspkgs.close()
except:
print "Could not open /usr/livecd/systempkgs.txt!"
sys.exit(1)
# Pre-create /lib (and possible /lib32 and /lib64)
if os.path.islink("/lib") and os.readlink("/lib") == "lib64":
if not GLIUtility.exitsuccess(GLIUtility.spawn("mkdir " + chroot_dir + "/lib64 && ln -s lib64 " + chroot_dir + "/lib")):
print "Could not precreate /lib64 dir and /lib -> /lib64 symlink"
sys.exit(1)
示例6: detect_devices
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
def detect_devices():
devices = []
# Make sure sysfs exists
# TODO: rewrite for 2.4 support
if not os.path.exists("/sys/bus"):
raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "no sysfs found (you MUST use a kernel >2.6)")
# Make sure /proc/partitions exists
if not os.path.exists("/proc/partitions"):
raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "/proc/partitions does not exist! Please make sure procfs is in your kernel and mounted!")
# Load /proc/partitions into the variable 'partitions'
partitions = []
for line in open("/proc/partitions"):
tmpparts = line.split()
if len(tmpparts) < 4 or not tmpparts[0].isdigit() or not tmpparts[1].isdigit():
continue
# Get the major, minor and device name
major = int(tmpparts[0])
minor = int(tmpparts[1])
device = "/dev/" + tmpparts[3]
# If there is no /dev/'device_name', then scan
# all the devices in /dev to try and find a
# devices with the same major and minor
if not os.path.exists(device):
device = None
for path, dirs, files in os.walk("/dev"):
for d_file in files:
full_file = os.path.join(path, d_file)
if not os.path.exists(full_file):
continue
statres = os.stat(full_file)
fmaj = os.major(statres.st_rdev)
fmin = os.minor(statres.st_rdev)
if fmaj == major and fmin == minor:
device = full_file
break
if not device:
continue
partitions.append(( major, minor, device ))
# Scan sysfs for the devices of type 'x'
# 'x' being a member of the list below:
# Compaq cards.../sys/block/{cciss,ida}!cXdX/dev
for dev_glob in ("/sys/bus/ide/devices/*/block*/dev", "/sys/bus/scsi/devices/*/block*/dev", "/sys/block/cciss*/dev", "/sys/block/ida*/dev"):
sysfs_devices = glob(dev_glob)
if not sysfs_devices: continue
for sysfs_device in sysfs_devices:
# Get the major and minor info
try:
major, minor = open(sysfs_device).read().split(":")
major = int(major)
minor = int(minor)
except:
raise GLIException("GLIStorageDeviceError", 'fatal', 'detect_devices', "invalid major/minor in " + sysfs_device)
# Find a device listed in /proc/partitions
# that has the same minor and major as our
# current block device.
for record in partitions:
if major == record[0] and minor == record[1]:
devices.append(record[2])
# For testing the partitioning code
if GLIUtility.is_file("/tmp/disk.img"):
devices.append("/tmp/disk.img")
# We have assembled the list of devices, so return it
return devices
示例7: not_working
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
print "\tset_users set up the users"
print "\tetc_portage set up the files in /etc/portage"
print "\tinstall_packages install required packages"
print "\tunmount unmount all filesystems"
def not_working():
print "This is a placeholder. This function does nothing right now."
if len(sys.argv) < 3:
usage()
sys.exit(1)
progname = sys.argv.pop(0)
xmlfile = sys.argv.pop(0)
if not GLIUtility.is_file(xmlfile):
print "The XML file '" + xmlfile + "' cannot be accessed.\n"
usage()
sys.exit(1)
client_profile = GLIClientConfiguration.ClientConfiguration()
client_profile.set_root_mount_point(None, "/mnt/gentoo", None)
install_profile = GLIInstallProfile.InstallProfile()
install_profile.parse(xmlfile)
template = __import__('templates' + '/' + 'x86ArchitectureTemplate')
archtemplate = getattr(template, 'x86ArchitectureTemplate')(client_profile, install_profile, False)
#archtemplate = GLIArchitectureTemplate.ArchitectureTemplate(install_profile=install_profile)
operations = {
示例8: __init__
# 需要导入模块: import GLIUtility [as 别名]
# 或者: from GLIUtility import is_file [as 别名]
def __init__(self, controller):
GLIScreen.GLIScreen.__init__(self, controller)
self.has_systempkgs = GLIUtility.is_file("/usr/livecd/systempkgs.txt")
vert = gtk.VBox(False, 0)
vert.set_border_width(10)
content_str = """Here, you will select which stage you would like to start your install from.
Each option has a brief description beside it.
"""
content_label = gtk.Label(content_str)
vert.pack_start(content_label, expand=False, fill=False, padding=0)
self.radio_stages[1] = gtk.RadioButton(None, "Stage 1")
self.radio_stages[1].set_name("1")
self.radio_stages[1].connect("toggled", self.stage_selected, "1")
self.radio_stages[1].set_size_request(100, -1)
hbox = gtk.HBox(False, 0)
hbox.pack_start(self.radio_stages[1], expand=False, fill=False, padding=5)
tmplabel = gtk.Label("The entire system will be compiled from scratch with your CHOST and CFLAGS settings")
tmplabel.set_line_wrap(True)
hbox.pack_start(tmplabel, expand=False, fill=False, padding=20)
vert.pack_start(hbox, expand=False, fill=False, padding=10)
self.radio_stages[2] = gtk.RadioButton(self.radio_stages[1], "Stage 2")
self.radio_stages[2].set_name("2")
self.radio_stages[2].connect("toggled", self.stage_selected, "2")
self.radio_stages[2].set_size_request(100, -1)
hbox = gtk.HBox(False, 0)
hbox.pack_start(self.radio_stages[2], expand=False, fill=False, padding=5)
tmplabel = gtk.Label("Most of the system will be compiled with your CHOST and CFLAGS settings. Don't use this option unless you have a good reason")
tmplabel.set_line_wrap(True)
hbox.pack_start(tmplabel, expand=False, fill=False, padding=20)
vert.pack_start(hbox, expand=False, fill=False, padding=10)
self.radio_stages[3] = gtk.RadioButton(self.radio_stages[1], "Stage 3")
self.radio_stages[3].set_name("3")
self.radio_stages[3].connect("toggled", self.stage_selected, "3")
self.radio_stages[3].set_size_request(100, -1)
hbox = gtk.HBox(False, 0)
hbox.pack_start(self.radio_stages[3], expand=False, fill=False, padding=5)
tmplabel = gtk.Label("The base system will be installed using precompiled packages. You can recompile later with your custom settings if you choose. This is the fastest option")
tmplabel.set_line_wrap(True)
hbox.pack_start(tmplabel, expand=False, fill=False, padding=20)
vert.pack_start(hbox, expand=False, fill=False, padding=10)
self.check_grp = gtk.CheckButton("GRP Install")
self.check_grp.set_sensitive(False)
self.check_grp.set_size_request(100, -1)
hbox = gtk.HBox(False, 0)
hbox.pack_start(self.check_grp, expand=False, fill=False, padding=5)
tmplabel = gtk.Label("Any extra packages installed (beyond the stage3) will be installed using binaries from the LiveCD that you are installing from")
tmplabel.set_line_wrap(True)
hbox.pack_start(tmplabel, expand=False, fill=False, padding=20)
vert.pack_start(hbox, expand=False, fill=False, padding=10)
self.check_dynamic = gtk.CheckButton("Dynamic")
self.check_dynamic.set_sensitive(False)
self.check_dynamic.connect("toggled", self.dynamic_checked)
self.check_dynamic.set_size_request(100, -1)
if not self.has_systempkgs:
self.check_dynamic.set_sensitive(False)
hbox = gtk.HBox(False, 0)
hbox.pack_start(self.check_dynamic, expand=False, fill=False, padding=5)
tmplabel = gtk.Label("The stage3 will be generated from the packages on the LiveCD")
tmplabel.set_line_wrap(True)
hbox.pack_start(tmplabel, expand=False, fill=False, padding=20)
vert.pack_start(hbox, expand=False, fill=False, padding=10)
hbox = gtk.HBox(False, 0)
hbox.pack_start(gtk.Label("Stage tarball URI:"), expand=False, fill=False, padding=5)
self.entry_stage_tarball_uri = gtk.Entry()
self.entry_stage_tarball_uri.set_width_chars(50)
hbox.pack_start(self.entry_stage_tarball_uri, expand=False, fill=False, padding=10)
self.browse_uri = gtk.Button(" ... ")
self.browse_uri.connect("clicked", self.browse_uri_clicked)
hbox.pack_start(self.browse_uri, expand=False, fill=False, padding=5)
vert.pack_end(hbox, expand=False, fill=False, padding=0)
self.add_content(vert)