386 lines
11 KiB
Plaintext
386 lines
11 KiB
Plaintext
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#!/usr/bin/env python
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import exceptions
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import getopt
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import os
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import re
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import rpm
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import select
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import subprocess
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import sys
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#------------------------------------------------------------------------------
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def get_rlms(root):
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rlm_re = re.compile(r'^rlm_')
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version_re = re.compile(r'-[0-9.]+\.so$')
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names = os.listdir(root)
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names = [x for x in names if rlm_re.search(x)]
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names = [x for x in names if not version_re.search(x)]
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names.sort()
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return names
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#------------------------------------------------------------------------------
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debug = False
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verbose = False
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exclude_rpms = ['glibc']
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build = '2.0.2-1.fc8'
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root_template = '/var/tmp/freeradius-%s-root-jdennis/usr/lib/freeradius'
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libdirs = ['/lib','/usr/lib']
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#------------------------------------------------------------------------------
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def get_rpm_nvr_from_header(hdr):
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'Given an RPM header return the package NVR as a string'
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name = hdr['name']
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version = hdr['version']
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release = hdr['release']
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return "%s-%s-%s" % (name, version, release)
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def get_rpm_hdr_by_file_path(path):
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if path is None:
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return None
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hdr = None
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try:
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ts = rpm.ts()
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mi = ts.dbMatch(rpm.RPMTAG_BASENAMES, path)
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for hdr in mi: break
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except Exception, e:
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print >> sys.stderr, "failed to retrieve rpm hdr for %s, %s" %(path, e)
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hdr = None
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return hdr
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def get_rpm_nvr_by_file_path(path):
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if path is None:
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return None
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hdr = get_rpm_hdr_by_file_path(path)
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if not hdr:
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print >> sys.stderr, "failed to retrieve rpm info for %s" %(path)
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nvr = get_rpm_nvr_from_header(hdr)
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return nvr
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def get_rpm_name_by_file_path(path):
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if path is None:
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return None
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hdr = get_rpm_hdr_by_file_path(path)
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if not hdr:
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print >> sys.stderr, "failed to retrieve rpm info for %s" %(path)
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name = hdr['name']
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return name
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#------------------------------------------------------------------------------
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class CmdError(exceptions.Exception):
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def __init__(self, errno, msg):
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self.errno = errno
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self.msg = msg
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class Command:
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def __init__(self, cmd):
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self.cmd = cmd
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self.sub_process = None
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self.bufsize = 1024
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self.stdout_buf = ''
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self.stderr_buf = ''
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self.stdout_lines = []
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self.stderr_lines = []
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def run(self, stdout_callback=None, stderr_callback=None):
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self.sub_process = subprocess.Popen(self.cmd, \
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stdin=None, stdout=subprocess.PIPE, stderr=subprocess.PIPE, \
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close_fds=True, shell=True)
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self.stdout = self.sub_process.stdout
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self.stderr = self.sub_process.stderr
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read_watch = [self.stdout, self.stderr]
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while read_watch:
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readable = select.select(read_watch, [], [])[0]
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for fd in readable:
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if fd == self.stdout:
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data = os.read(fd.fileno(), self.bufsize)
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if not data:
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read_watch.remove(fd)
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else:
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self.stdout_buf += data
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for line in self.burst_lines('stdout_buf'):
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if stdout_callback: stdout_callback(line)
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self.stdout_lines.append(line)
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if fd == self.stderr:
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data = os.read(fd.fileno(), self.bufsize)
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if not data:
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read_watch.remove(fd)
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else:
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self.stderr_buf += data
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for line in self.burst_lines('stderr_buf'):
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if stdout_callback: stderr_callback(line)
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self.stderr_lines.append(line)
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self.returncode = self.sub_process.wait()
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if self.returncode:
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raise CmdError(self.returncode, "cmd \"%s\"\nreturned status %d\n%s" % (self.cmd, self.returncode, ''.join(self.stderr_lines)))
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return self.returncode
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def burst_lines(self, what):
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buf = getattr(self, what)
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start = 0
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end = buf.find('\n', start)
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while end >= 0:
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end += 1 # include newline
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line = buf[start:end]
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yield line
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start = end
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end = buf.find('\n', start)
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buf = buf[start:]
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setattr(self, what, buf)
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#------------------------------------------------------------------------------
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def get_so_requires(path):
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requires = {}
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cmd = 'ldd %s' % (path)
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so_re = re.compile(r'^\s*(\S+)\s+=>\s+(\S+)')
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c = Command(cmd)
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status = c.run()
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for line in c.stdout_lines:
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line = line.strip()
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match = so_re.search(line)
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if match:
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so_name = match.group(1)
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if match.group(2).startswith('/'):
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so_path = match.group(2)
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else:
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so_path = None
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requires[so_name] = so_path
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return requires
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def get_so_needed(path):
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needed = []
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cmd = 'readelf -d %s' % (path)
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so_re = re.compile(r'\(NEEDED\)\s+Shared library:\s+\[([^\]]+)\]')
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c = Command(cmd)
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status = c.run()
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for line in c.stdout_lines:
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line = line.strip()
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match = so_re.search(line)
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if match:
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so_name = match.group(1)
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needed.append(so_name)
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return needed
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def format_size(size):
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if size > 1000000000:
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return '%.1f GB' % (size/1000000000.0)
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if size > 1000000:
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return '%.1f MB' % (size/1000000.0)
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if size > 1000:
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return '%.1f KB' % (size/1000.0)
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return '%d' % (size)
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#------------------------------------------------------------------------------
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class RPM_Prop:
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def __init__(self, path=None, name=None):
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self.name = name
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self.paths = {}
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self.rpm_hdr = None
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self.used_by = {}
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if path:
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self.register_path(path)
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if not self.rpm_hdr:
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self.rpm_hdr = get_rpm_hdr_by_file_path(path)
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if self.rpm_hdr:
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if not self.name:
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self.name = self.rpm_hdr[rpm.RPMTAG_NAME]
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self.size = self.rpm_hdr[rpm.RPMTAG_SIZE]
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def __str__(self):
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return "name=%s paths=%s" % (self.name, ','.join(self.paths.keys()))
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def register_path(self, path, name=None):
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if debug: print "%s.register_path: path=%s" % (self.__class__.__name__, path)
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return self.paths.setdefault(path, path)
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class RPM_Collection:
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def __init__(self):
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self.names = {}
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self.paths = {}
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def __str__(self):
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text = ''
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names = self.get_names()
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for name in names:
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text += "%s: %s\n" % (name, self.names[name])
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return text
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def register_path(self, path):
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if debug: print "%s.register_path: path=%s" % (self.__class__.__name__, path)
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rpm_prop = self.paths.get(path)
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if not rpm_prop:
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rpm_prop = self.paths.setdefault(path, RPM_Prop(path=path))
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self.names.setdefault(rpm_prop.name, rpm_prop)
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return rpm_prop
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def get_names(self):
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names = self.names.keys()
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names.sort()
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return names
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def get_name(self, name):
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return self.names.get(name)
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class SO_File:
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def __init__(self, name=None, path=None):
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self.name = name
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self.path = path
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self.rpm = None
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def __str__(self):
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if self.rpm:
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rpm_name = self.rpm.name
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else:
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rpm_name = None
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return "name=%s rpm=%s" % (self.name, rpm_name)
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class SO_Collection:
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def __init__(self):
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self.names = {}
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self.paths = {}
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def __str__(self):
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text = ''
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names = self.get_names()
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for name in names:
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text += "%s: %s\n" % (name, self.names[name])
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return text
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def register_path(self, path, name=None):
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if debug: print "%s.register_path: path=%s" % (self.__class__.__name__, path)
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so_prop = self.paths.get(path)
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if not so_prop:
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so_prop = self.paths.setdefault(path, SO_File(name, path=path))
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self.names.setdefault(name, so_prop)
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return so_prop
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def get_names(self):
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names = self.names.keys()
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names.sort()
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return names
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class LoadableModule:
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def __init__(self, path, name=None):
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if name is None:
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name = os.path.basename(path)
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self.name = name
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self.path = path
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self.rpm_names = {}
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self.sos = SO_Collection()
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self.get_so_requires()
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def __str__(self):
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text = '%s\n' % (self.name)
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text += " RPM's: %s\n" % (','.join(self.get_rpm_names()))
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text += " SO's: %s\n" % (','.join(self.sos.get_names()))
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return text
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def get_so_requires(self):
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requires = get_so_requires(self.path)
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needed = get_so_needed(self.path)
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#print "%s requires=%s" % (self.name, requires)
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#print "%s needed=%s" % (self.name, needed)
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for so_name, so_path in requires.items():
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if so_name not in needed: continue
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if so_path:
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so_prop = self.sos.register_path(so_path, so_name)
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rpm_prop = rpms.register_path(so_prop.path)
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rpm_prop.used_by[self.name] = 1
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self.rpm_names.setdefault(rpm_prop.name, rpm_prop.name)
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so_prop.rpm = rpm_prop
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else:
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so_prop = None
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if verbose: print "found so='%s' %s" % (so_name, so_prop)
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def register_so(self, so):
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if debug: print "%s.register_so: so=%s" % (self.__class__.__name__, so)
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self.sos.setdefault(so, so)
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self.names.setdefault(so.name, so)
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return so
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def get_rpm_names(self):
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rpm_names = self.rpm_names.keys()
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rpm_names.sort()
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return rpm_names
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def get_sos(self):
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sos = self.sos.keys()
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sos.sort(lambda a,b: cmp(a.name, b.name))
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return sos
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#------------------------------------------------------------------------------
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#------------------------------------------------------------------------------
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opts, args = getopt.getopt(sys.argv[1:], "b:v", ['build=','verbose'])
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for o, a in opts:
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if o in ['-b', '--build']:
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build = a
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elif o in ['-v', '--verbose']:
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verbose = True
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else:
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print >> sys.stderr, "Unknown arg: %s" % o
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sys.exit(1)
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root = root_template % build
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modules = get_rlms(root)
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module_paths = [os.path.join(root,x) for x in modules]
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rpms = RPM_Collection()
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lms = []
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for module_path in module_paths[:]:
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lm = LoadableModule(module_path)
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lms.append(lm)
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print "RLM Modules(%s): %s\n" % (len(modules), ','.join(modules))
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for lm in lms:
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rpm_names = [x for x in lm.get_rpm_names() if x not in exclude_rpms]
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if rpm_names:
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print lm.name
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print ' %s' % (','.join(rpm_names))
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print "--------------"
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rpm_props = [x for x in rpms.names.values() if len(x.used_by) and x.name not in exclude_rpms]
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rpm_props.sort(lambda a,b: cmp(a.name, b.name))
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for rpm_prop in rpm_props:
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used_by = rpm_prop.used_by.keys()
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used_by.sort()
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print "%s: %s" % (rpm_prop.name, ','.join(used_by))
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print "--------------"
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rpm_props.sort(lambda a,b: cmp(a.size, b.size))
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for rpm_prop in rpm_props:
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print '%10s %s' % (format_size(rpm_prop.size), rpm_prop.name)
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||
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|
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print "--------------"
|
||
|
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|
||
|
|
for lm in lms:
|
||
|
|
print lm
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