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mapnik/scons/sconsign.py
Dane Springmeyer fe5b6be2f7 update bundled scons to 2.1.0
2011-08-30 22:28:24 +00:00

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#! /usr/bin/env python
#
# SCons - a Software Constructor
#
# Copyright (c) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 The SCons Foundation
#
# Permission is hereby granted, free of charge, to any person obtaining
# a copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
__revision__ = "src/script/sconsign.py 5183 2010/11/25 14:46:21 bdeegan"
__version__ = "2.1.0.alpha.20101125"
__build__ = "r5183[MODIFIED]"
__buildsys__ = "ubuntu"
__date__ = "2010/11/25 14:46:21"
__developer__ = "bdeegan"
import os
import sys
import time
##############################################################################
# BEGIN STANDARD SCons SCRIPT HEADER
#
# This is the cut-and-paste logic so that a self-contained script can
# interoperate correctly with different SCons versions and installation
# locations for the engine. If you modify anything in this section, you
# should also change other scripts that use this same header.
##############################################################################
# Strip the script directory from sys.path() so on case-insensitive
# (WIN32) systems Python doesn't think that the "scons" script is the
# "SCons" package. Replace it with our own library directories
# (version-specific first, in case they installed by hand there,
# followed by generic) so we pick up the right version of the build
# engine modules if they're in either directory.
script_dir = sys.path[0]
if script_dir in sys.path:
sys.path.remove(script_dir)
libs = []
if "SCONS_LIB_DIR" in os.environ:
libs.append(os.environ["SCONS_LIB_DIR"])
local_version = 'scons-local-' + __version__
local = 'scons-local'
if script_dir:
local_version = os.path.join(script_dir, local_version)
local = os.path.join(script_dir, local)
libs.append(os.path.abspath(local_version))
libs.append(os.path.abspath(local))
scons_version = 'scons-%s' % __version__
prefs = []
if sys.platform == 'win32':
# sys.prefix is (likely) C:\Python*;
# check only C:\Python*.
prefs.append(sys.prefix)
prefs.append(os.path.join(sys.prefix, 'Lib', 'site-packages'))
else:
# On other (POSIX) platforms, things are more complicated due to
# the variety of path names and library locations. Try to be smart
# about it.
if script_dir == 'bin':
# script_dir is `pwd`/bin;
# check `pwd`/lib/scons*.
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":
# script_dir is /foo/bin;
# check /foo/lib/scons*.
prefs.append(head)
head, tail = os.path.split(sys.prefix)
if tail == "usr":
# sys.prefix is /foo/usr;
# check /foo/usr/lib/scons* first,
# then /foo/usr/local/lib/scons*.
prefs.append(sys.prefix)
prefs.append(os.path.join(sys.prefix, "local"))
elif tail == "local":
h, t = os.path.split(head)
if t == "usr":
# sys.prefix is /foo/usr/local;
# check /foo/usr/local/lib/scons* first,
# then /foo/usr/lib/scons*.
prefs.append(sys.prefix)
prefs.append(head)
else:
# sys.prefix is /foo/local;
# check only /foo/local/lib/scons*.
prefs.append(sys.prefix)
else:
# sys.prefix is /foo (ends in neither /usr or /local);
# check only /foo/lib/scons*.
prefs.append(sys.prefix)
temp = [os.path.join(x, 'lib') for x in prefs]
temp.extend([os.path.join(x,
'lib',
'python' + sys.version[:3],
'site-packages') for x in prefs])
prefs = temp
# Add the parent directory of the current python's library to the
# preferences. On SuSE-91/AMD64, for example, this is /usr/lib64,
# not /usr/lib.
try:
libpath = os.__file__
except AttributeError:
pass
else:
# Split /usr/libfoo/python*/os.py to /usr/libfoo/python*.
libpath, tail = os.path.split(libpath)
# Split /usr/libfoo/python* to /usr/libfoo
libpath, tail = os.path.split(libpath)
# Check /usr/libfoo/scons*.
prefs.append(libpath)
try:
import pkg_resources
except ImportError:
pass
else:
# when running from an egg add the egg's directory
try:
d = pkg_resources.get_distribution('scons')
except pkg_resources.DistributionNotFound:
pass
else:
prefs.append(d.location)
# Look first for 'scons-__version__' in all of our preference libs,
# then for 'scons'.
libs.extend([os.path.join(x, scons_version) for x in prefs])
libs.extend([os.path.join(x, 'scons') for x in prefs])
sys.path = libs + sys.path
##############################################################################
# END STANDARD SCons SCRIPT HEADER
##############################################################################
import SCons.compat # so pickle will import cPickle instead
import whichdb
import pickle
import imp
import SCons.SConsign
def my_whichdb(filename):
if filename[-7:] == ".dblite":
return "SCons.dblite"
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 = mname.rfind('.')
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(object):
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
def default_mapper(entry, name):
try:
val = eval("entry."+name)
except:
val = None
return str(val)
def map_action(entry, name):
try:
bact = entry.bact
bactsig = entry.bactsig
except AttributeError:
return None
return '%s [%s]' % (bactsig, bact)
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 range(len(bkids)):
result.append(nodeinfo_string(bkids[i], bkidsigs[i], " "))
if result == []:
return None
return "\n ".join(result)
map_field = {
'action' : map_action,
'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=""):
# This just formats the dictionary, which we would normally use str()
# to do, except that we want the keys sorted for deterministic output.
d = ninfo.__dict__
try:
keys = ninfo.field_list + ['_version_id']
except AttributeError:
keys = sorted(d.keys())
l = []
for k in keys:
l.append('%s: %s' % (repr(k), repr(d.get(k))))
if '\n' in name:
name = repr(name)
return name + ': {' + ', '.join(l) + '}'
def nodeinfo_cooked(name, ninfo, prefix=""):
try:
field_list = ninfo.field_list
except AttributeError:
field_list = []
if '\n' in name:
name = repr(name)
outlist = [name+':'] + [_f for _f in [field(x, ninfo, Verbose) for x in field_list] if _f]
if Verbose:
sep = '\n ' + prefix
else:
sep = ' '
return sep.join(outlist)
nodeinfo_string = nodeinfo_cooked
def printfield(name, entry, prefix=""):
outlist = field("implicit", entry, 0)
if outlist:
if Verbose:
print " implicit:"
print " " + outlist
outact = field("action", entry, 0)
if outact:
if Verbose:
print " action: " + outact
else:
print " " + outact
def printentries(entries, location):
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, location))
else:
try:
ninfo = entry.ninfo
except AttributeError:
print name + ":"
else:
print nodeinfo_string(name, entry.ninfo)
printfield(name, entry.binfo)
else:
for name in sorted(entries.keys()):
entry = entries[name]
try:
ninfo = entry.ninfo
except AttributeError:
print name + ":"
else:
print nodeinfo_string(name, entry.ninfo)
printfield(name, entry.binfo)
class Do_SConsignDB(object):
def __init__(self, dbm_name, dbm):
self.dbm_name = dbm_name
self.dbm = dbm
def __call__(self, fname):
# The *dbm modules stick their own file suffixes on the names
# that are passed in. This is causes us to jump through some
# hoops here to be able to allow the user
try:
# Try opening the specified file name. Example:
# SPECIFIED OPENED BY self.dbm.open()
# --------- -------------------------
# .sconsign => .sconsign.dblite
# .sconsign.dblite => .sconsign.dblite.dblite
db = self.dbm.open(fname, "r")
except (IOError, OSError), e:
print_e = e
try:
# That didn't work, so try opening the base name,
# so that if the actually passed in 'sconsign.dblite'
# (for example), the dbm module will put the suffix back
# on for us and open it anyway.
db = self.dbm.open(os.path.splitext(fname)[0], "r")
except (IOError, OSError):
# That didn't work either. See if the file name
# they specified just exists (independent of the dbm
# suffix-mangling).
try:
open(fname, "r")
except (IOError, OSError), e:
# Nope, that file doesn't even exist, so report that
# fact back.
print_e = e
sys.stderr.write("sconsign: %s\n" % (print_e))
return
except KeyboardInterrupt:
raise
except pickle.UnpicklingError:
sys.stderr.write("sconsign: ignoring invalid `%s' file `%s'\n" % (self.dbm_name, fname))
return
except Exception, e:
sys.stderr.write("sconsign: ignoring invalid `%s' file `%s': %s\n" % (self.dbm_name, fname, e))
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:
for dir in sorted(db.keys()):
self.printentries(dir, db[dir])
def printentries(self, dir, val):
print '=== ' + dir + ':'
printentries(pickle.loads(val), dir)
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 KeyboardInterrupt:
raise
except pickle.UnpicklingError:
sys.stderr.write("sconsign: ignoring invalid .sconsign file `%s'\n" % (name))
return
except Exception, e:
sys.stderr.write("sconsign: ignoring invalid .sconsign file `%s': %s\n" % (name, e))
return
printentries(sconsign.entries, args[0])
##############################################################################
import getopt
helpstr = """\
Usage: sconsign [OPTIONS] FILE [...]
Options:
-a, --act, --action Print build action 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:], "acd:e:f:hirstv",
['act', 'action',
'csig', 'dir=', 'entry=',
'format=', 'help', 'implicit',
'raw', 'readable',
'size', 'timestamp', 'verbose'])
for o, a in opts:
if o in ('-a', '--act', '--action'):
Print_Flags['action'] = 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',):
nodeinfo_string = nodeinfo_raw
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)
# Local Variables:
# tab-width:4
# indent-tabs-mode:nil
# End:
# vim: set expandtab tabstop=4 shiftwidth=4:
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