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wic: Remove unused misc code
wic doesn't use it, so remove it. (From OE-Core rev: 84e1e13ce3af216e304f61c7ea6e5e9338f94bc6) Signed-off-by: Tom Zanussi <tom.zanussi@linux.intel.com> Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Tom Zanussi
committed by
Richard Purdie
Richard Purdie
parent
f0499a07b5
commit
ba19b60fd2
@@ -18,29 +18,9 @@
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import os
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import sys
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import time
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import tempfile
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import re
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import shutil
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import glob
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import hashlib
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import subprocess
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import platform
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import traceback
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try:
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import sqlite3 as sqlite
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except ImportError:
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import sqlite
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try:
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from xml.etree import cElementTree
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except ImportError:
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import cElementTree
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xmlparse = cElementTree.parse
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from mic import msger
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from mic.utils.errors import CreatorError, SquashfsError
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from mic.utils.errors import CreatorError
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from mic.utils.fs_related import find_binary_path, makedirs
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from mic.utils import runner
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@@ -82,115 +62,6 @@ def build_name(kscfg, release=None, prefix = None, suffix = None):
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ret = prefix + name + suffix
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return ret
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def get_distro():
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"""Detect linux distribution, support "meego"
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"""
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support_dists = ('SuSE',
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'debian',
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'fedora',
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'redhat',
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'centos',
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'meego',
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'moblin',
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'tizen')
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try:
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(dist, ver, id) = platform.linux_distribution( \
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supported_dists = support_dists)
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except:
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(dist, ver, id) = platform.dist( \
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supported_dists = support_dists)
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return (dist, ver, id)
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def get_distro_str():
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"""Get composited string for current linux distribution
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"""
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(dist, ver, id) = get_distro()
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if not dist:
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return 'Unknown Linux Distro'
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else:
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distro_str = ' '.join(map(str.strip, (dist, ver, id)))
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return distro_str.strip()
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_LOOP_RULE_PTH = None
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def human_size(size):
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"""Return human readable string for Bytes size
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"""
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if size <= 0:
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return "0M"
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import math
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measure = ['B', 'K', 'M', 'G', 'T', 'P', 'E', 'Z', 'Y']
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expo = int(math.log(size, 1024))
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mant = float(size/math.pow(1024, expo))
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return "{0:.1f}{1:s}".format(mant, measure[expo])
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def get_block_size(file_obj):
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""" Returns block size for file object 'file_obj'. Errors are indicated by
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the 'IOError' exception. """
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from fcntl import ioctl
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import struct
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# Get the block size of the host file-system for the image file by calling
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# the FIGETBSZ ioctl (number 2).
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binary_data = ioctl(file_obj, 2, struct.pack('I', 0))
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return struct.unpack('I', binary_data)[0]
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def check_space_pre_cp(src, dst):
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"""Check whether disk space is enough before 'cp' like
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operations, else exception will be raised.
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"""
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srcsize = get_file_size(src) * 1024 * 1024
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freesize = get_filesystem_avail(dst)
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if srcsize > freesize:
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raise CreatorError("space on %s(%s) is not enough for about %s files"
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% (dst, human_size(freesize), human_size(srcsize)))
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def calc_hashes(file_path, hash_names, start = 0, end = None):
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""" Calculate hashes for a file. The 'file_path' argument is the file
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to calculate hash functions for, 'start' and 'end' are the starting and
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ending file offset to calculate the has functions for. The 'hash_names'
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argument is a list of hash names to calculate. Returns the the list
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of calculated hash values in the hexadecimal form in the same order
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as 'hash_names'.
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"""
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if end == None:
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end = os.path.getsize(file_path)
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chunk_size = 65536
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to_read = end - start
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read = 0
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hashes = []
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for hash_name in hash_names:
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hashes.append(hashlib.new(hash_name))
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with open(file_path, "rb") as f:
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f.seek(start)
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while read < to_read:
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if read + chunk_size > to_read:
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chunk_size = to_read - read
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chunk = f.read(chunk_size)
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for hash_obj in hashes:
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hash_obj.update(chunk)
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read += chunk_size
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result = []
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for hash_obj in hashes:
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result.append(hash_obj.hexdigest())
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return result
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def get_md5sum(fpath):
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return calc_hashes(fpath, ('md5', ))[0]
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def normalize_ksfile(ksconf, release, arch):
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'''
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Return the name of a normalized ks file in which macro variables
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@@ -232,52 +103,3 @@ def normalize_ksfile(ksconf, release, arch):
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atexit.register(remove_temp_ks)
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return ksconf
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def selinux_check(arch, fstypes):
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try:
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getenforce = find_binary_path('getenforce')
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except CreatorError:
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return
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selinux_status = runner.outs([getenforce])
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if arch and arch.startswith("arm") and selinux_status == "Enforcing":
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raise CreatorError("Can't create arm image if selinux is enabled, "
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"please run 'setenforce 0' to disable selinux")
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use_btrfs = filter(lambda typ: typ == 'btrfs', fstypes)
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if use_btrfs and selinux_status == "Enforcing":
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raise CreatorError("Can't create btrfs image if selinux is enabled,"
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" please run 'setenforce 0' to disable selinux")
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def get_file_size(filename):
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""" Return size in MB unit """
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cmd = ['du', "-s", "-b", "-B", "1M", filename]
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rc, duOutput = runner.runtool(cmd)
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if rc != 0:
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raise CreatorError("Failed to run: %s" % ' '.join(cmd))
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size1 = int(duOutput.split()[0])
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cmd = ['du', "-s", "-B", "1M", filename]
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rc, duOutput = runner.runtool(cmd)
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if rc != 0:
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raise CreatorError("Failed to run: %s" % ' '.join(cmd))
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size2 = int(duOutput.split()[0])
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return max(size1, size2)
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def get_filesystem_avail(fs):
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vfstat = os.statvfs(fs)
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return vfstat.f_bavail * vfstat.f_bsize
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def mkdtemp(dir = "/var/tmp", prefix = "wic-tmp-"):
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""" FIXME: use the dir in wic.conf instead """
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makedirs(dir)
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return tempfile.mkdtemp(dir = dir, prefix = prefix)
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def strip_end(text, suffix):
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if not text.endswith(suffix):
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return text
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return text[:-len(suffix)]
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