#! /usr/bin/env python
# SCons - a Software Constructor
# Copyright (c) 2001, 2002, 2003, 2004 The SCons Foundation
__revision__="/home/scons/scons/branch.0/branch.96/baseline/src/script/sconsign.py 0.96.91.D001 2005/09/08 09:14:36 knight"
__version__="0.96.91"
__build__="D001"
__buildsys__="roxbury"
__date__="2005/09/08 09:14:36"
__developer__="knight"
import os
import os.path
import sys
import time
script_dir=sys.path[0]
if script_dir in sys.path: sys.path.remove(script_dir)
libs = []
if os.environ.has_key("SCONS_LIB_DIR"): libs.append(os.environ["SCONS_LIB_DIR"])
local='scons-local-'+__version__
if script_dir: local=os.path.join(script_dir, local)
libs.append(local)
scons_version='scons-%s'%__version__
prefs=[]
if sys.platform=='win32':
    prefs.append(sys.prefix)
    prefs.append(os.path.join(sys.prefix, 'Lib', 'site-packages'))
else:
    if script_dir=='bin':prefs.append(os.getcwd())
    else:
        if script_dir=='.' or script_dir=='': script_dir=os.getcwd()
        head, tail=os.path.split(script_dir)
        if tail=="bin":prefs.append(head)
    head, tail=os.path.split(sys.prefix)
    if tail=="usr":
        prefs.append(sys.prefix)
        prefs.append(os.path.join(sys.prefix, "local"))
    elif tail == "local":
        h, t = os.path.split(head)
        if t == "usr":
            prefs.append(sys.prefix)
            prefs.append(head)
        else: prefs.append(sys.prefix)
    else: prefs.append(sys.prefix)
    temp = map(lambda x: os.path.join(x, 'lib'), prefs)
    temp.extend(map(lambda x: os.path.join(x, 'lib', 'python' + sys.version[:3], 'site-packages'), prefs))
    prefs = temp
    try:
        libpath = os.__file__
    except AttributeError:
        pass
    else:
        while libpath:
            libpath, tail = os.path.split(libpath)
            if tail[:6] == "python": break
        if libpath: prefs.append(libpath)
libs.extend(map(lambda x: os.path.join(x, scons_version), prefs))
libs.extend(map(lambda x: os.path.join(x, 'scons'), prefs))
sys.path = libs + sys.path

import cPickle
import imp
import string
import whichdb
import SCons.SConsign
def my_whichdb(filename):
    try:
        f = open(filename + ".dblite", "rb")
        f.close()
        return "SCons.dblite"
    except IOError:
        pass
    return _orig_whichdb(filename)
_orig_whichdb = whichdb.whichdb
whichdb.whichdb = my_whichdb
def my_import(mname):
    if '.' in mname:
        i = string.rfind(mname, '.')
        parent = my_import(mname[:i])
        fp, pathname, description = imp.find_module(mname[i+1:], parent.__path__)
    else:
        fp, pathname, description = imp.find_module(mname)
    return imp.load_module(mname, fp, pathname, description)
class Flagger:
    default_value = 1
    def __setitem__(self, item, value):
        self.__dict__[item] = value
        self.default_value = 0
    def __getitem__(self, item):
        return self.__dict__.get(item, self.default_value)
Do_Call = None
Print_Directories = []
Print_Entries = []
Print_Flags = Flagger()
Verbose = 0
Readable = 0
Raw = 0
def default_mapper(entry, name):
    try:
        val = eval("entry."+name)
    except:
        val = None
    return str(val)
def map_timestamp(entry, name):
    try:
        timestamp = entry.timestamp
    except AttributeError:
        timestamp = None
    if Readable and timestamp:
        return "'" + time.ctime(timestamp) + "'"
    else:
        return str(timestamp)
def map_bkids(entry, name):
    try:
        bkids = entry.bsources + entry.bdepends + entry.bimplicit
        bkidsigs = entry.bsourcesigs + entry.bdependsigs + entry.bimplicitsigs
    except AttributeError:
        return None
    result = []
    for i in xrange(len(bkids)):
        result.append("%s: %s" % (bkids[i], bkidsigs[i]))
    if result == []:
        return None
    return string.join(result, "\n        ")
map_field = {
    'timestamp' : map_timestamp,
    'bkids'     : map_bkids,
}
map_name = {
    'implicit'  : 'bkids',
}
def field(name, entry, verbose=Verbose):
    if not Print_Flags[name]:
        return None
    fieldname = map_name.get(name, name)
    mapper = map_field.get(fieldname, default_mapper)
    val = mapper(entry, name)
    if verbose:
        val = name + ": " + val
    return val
def nodeinfo_raw(name, ninfo, prefix=""):
    d = ninfo.__dict__
    keys = d.keys()
    keys.sort()
    l = []
    for k in keys:
        l.append('%s: %s' % (repr(k), repr(d[k])))
    return name + ': {' + string.join(l, ', ') + '}'
def nodeinfo_string(name, ninfo, prefix=""):
    fieldlist = ["bsig", "csig", "timestamp", "size"]
    f = lambda x, ni=ninfo, v=Verbose: field(x, ni, v)
    outlist = [name+":"] + filter(None, map(f, fieldlist))
    if Verbose:
        sep = "\n    " + prefix
    else:
        sep = " "
    return string.join(outlist, sep)

def printfield(name, entry, prefix=""):
    if Raw: print nodeinfo_raw(name, entry.ninfo, prefix)
    else: print nodeinfo_string(name, entry.ninfo, prefix)
    outlist = field("implicit", entry, 0)
    if outlist:
        if Verbose: print "    implicit:"
        print "        " + outlist

def printentries(entries):
    if Print_Entries:
        for name in Print_Entries:
            try:
                entry = entries[name]
            except KeyError:
                sys.stderr.write("sconsign: no entry `%s' in `%s'\n" % (name, args[0]))
            else:
                printfield(name, entry)
    else:
        names = entries.keys()
        names.sort()
        for name in names: printfield(name, entries[name])
class Do_SConsignDB:
    def __init__(self, dbm_name, dbm):
        self.dbm_name = dbm_name
        self.dbm = dbm
    def __call__(self, fname):
        try:
            db = self.dbm.open(fname, "r")
        except (IOError, OSError), e:
            print_e = e
            try:
                db = self.dbm.open(os.path.splitext(fname)[0], "r")
            except (IOError, OSError):
                try:
                    open(fname, "r")
                except (IOError, OSError), e:
                    print_e = e
                sys.stderr.write("sconsign: %s\n" % (print_e))
                return
        except:
            sys.stderr.write("sconsign: ignoring invalid `%s' file `%s'\n" % (self.dbm_name, fname))
            return
        if Print_Directories:
            for dir in Print_Directories:
                try:
                    val = db[dir]
                except KeyError:
                    sys.stderr.write("sconsign: no dir `%s' in `%s'\n" % (dir, args[0]))
                else:
                    self.printentries(dir, val)
        else:
            keys = db.keys()
            keys.sort()
            for dir in keys:
                self.printentries(dir, db[dir])

    def printentries(self, dir, val):
        print '=== ' + dir + ':'
        printentries(cPickle.loads(val))

def Do_SConsignDir(name):
    try:
        fp = open(name, 'rb')
    except (IOError, OSError), e:
        sys.stderr.write("sconsign: %s\n" % (e))
        return
    try:
        sconsign = SCons.SConsign.Dir(fp)
    except:
        sys.stderr.write("sconsign: ignoring invalid .sconsign file `%s'\n" % name)
        return
    printentries(sconsign.entries)

import getopt

helpstr = """\
Usage: sconsign [OPTIONS] FILE [...]
Options:
  -b, --bsig                  Print build signature information.
  -c, --csig                  Print content signature information.
  -d DIR, --dir=DIR           Print only info about DIR.
  -e ENTRY, --entry=ENTRY     Print only info about ENTRY.
  -f FORMAT, --format=FORMAT  FILE is in the specified FORMAT.
  -h, --help                  Print this message and exit.
  -i, --implicit              Print implicit dependency information.
  -r, --readable              Print timestamps in human-readable form.
  --raw                       Print raw Python object representations.
  -s, --size                  Print file sizes.
  -t, --timestamp             Print timestamp information.
  -v, --verbose               Verbose, describe each field.
"""

opts, args = getopt.getopt(sys.argv[1:], "bcd:e:f:hirstv", ['bsig', 'csig', 'dir=', 'entry=', 'format=', 'help', 'implicit', 'raw', 'readable', 'size', 'timestamp', 'verbose'])

for o, a in opts:
    if o in ('-b', '--bsig'):
        Print_Flags['bsig'] = 1
    elif o in ('-c', '--csig'):
        Print_Flags['csig'] = 1
    elif o in ('-d', '--dir'):
        Print_Directories.append(a)
    elif o in ('-e', '--entry'):
        Print_Entries.append(a)
    elif o in ('-f', '--format'):
        Module_Map = {'dblite'   : 'SCons.dblite', 'sconsign' : None}
        dbm_name = Module_Map.get(a, a)
        if dbm_name:
            try:
                dbm = my_import(dbm_name)
            except:
                sys.stderr.write("sconsign: illegal file format `%s'\n" % a)
                print helpstr
                sys.exit(2)
            Do_Call = Do_SConsignDB(a, dbm)
        else:
            Do_Call = Do_SConsignDir
    elif o in ('-h', '--help'):
        print helpstr
        sys.exit(0)
    elif o in ('-i', '--implicit'):
        Print_Flags['implicit'] = 1
    elif o in ('--raw',):
        Raw = 1
    elif o in ('-r', '--readable'):
        Readable = 1
    elif o in ('-s', '--size'):
        Print_Flags['size'] = 1
    elif o in ('-t', '--timestamp'):
        Print_Flags['timestamp'] = 1
    elif o in ('-v', '--verbose'):
        Verbose = 1

if Do_Call:
    for a in args: Do_Call(a)
else:
    for a in args:
        dbm_name = whichdb.whichdb(a)
        if dbm_name:
            Map_Module = {'SCons.dblite' : 'dblite'}
            dbm = my_import(dbm_name)
            Do_SConsignDB(Map_Module.get(dbm_name, dbm_name), dbm)(a)
        else: Do_SConsignDir(a)

sys.exit(0)
