514 lines
15 KiB
Python
Vendored
514 lines
15 KiB
Python
Vendored
#! /usr/bin/env python
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#
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# SCons - a Software Constructor
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#
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# MIT License
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#
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# Copyright The SCons Foundation
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#
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# Permission is hereby granted, free of charge, to any person obtaining
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# a copy of this software and associated documentation files (the
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# "Software"), to deal in the Software without restriction, including
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# without limitation the rights to use, copy, modify, merge, publish,
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# distribute, sublicense, and/or sell copies of the Software, and to
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# permit persons to whom the Software is furnished to do so, subject to
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# the following conditions:
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#
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# The above copyright notice and this permission notice shall be included
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# in all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
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# KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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# WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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# NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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# LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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# OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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# WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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"""Utility script to dump information from SCons signature database."""
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import getopt
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import importlib
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import os
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import sys
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from dbm import whichdb
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import time
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import pickle
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import SCons.compat
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import SCons.SConsign
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def my_whichdb(filename):
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if filename[-7:] == ".dblite":
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return "SCons.dblite"
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try:
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with open(filename + ".dblite", "rb"):
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return "SCons.dblite"
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except IOError:
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pass
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return whichdb(filename)
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def my_import(mname):
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"""Import database module.
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This was used if the module was *not* SCons.dblite, to allow
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for programmatic importing. It is no longer used, in favor of
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importlib.import_module, and will be removed eventually.
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"""
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import imp
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if '.' in mname:
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i = mname.rfind('.')
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parent = my_import(mname[:i])
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fp, pathname, description = imp.find_module(mname[i+1:], parent.__path__)
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else:
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fp, pathname, description = imp.find_module(mname)
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return imp.load_module(mname, fp, pathname, description)
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class Flagger:
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default_value = 1
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def __setitem__(self, item, value):
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self.__dict__[item] = value
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self.default_value = 0
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def __getitem__(self, item):
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return self.__dict__.get(item, self.default_value)
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Do_Call = None
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Print_Directories = []
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Print_Entries = []
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Print_Flags = Flagger()
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Verbose = 0
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Readable = 0
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Warns = 0
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def default_mapper(entry, name):
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"""
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Stringify an entry that doesn't have an explicit mapping.
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Args:
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entry: entry
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name: field name
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Returns: str
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"""
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try:
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val = eval("entry." + name)
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except AttributeError:
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val = None
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return str(val)
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def map_action(entry, _):
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"""
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Stringify an action entry and signature.
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Args:
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entry: action entry
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second argument is not used
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Returns: str
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"""
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try:
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bact = entry.bact
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bactsig = entry.bactsig
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except AttributeError:
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return None
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return '%s [%s]' % (bactsig, bact)
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def map_timestamp(entry, _):
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"""
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Stringify a timestamp entry.
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Args:
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entry: timestamp entry
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second argument is not used
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Returns: str
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"""
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try:
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timestamp = entry.timestamp
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except AttributeError:
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timestamp = None
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if Readable and timestamp:
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return "'" + time.ctime(timestamp) + "'"
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else:
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return str(timestamp)
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def map_bkids(entry, _):
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"""
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Stringify an implicit entry.
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Args:
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entry:
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second argument is not used
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Returns: str
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"""
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try:
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bkids = entry.bsources + entry.bdepends + entry.bimplicit
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bkidsigs = entry.bsourcesigs + entry.bdependsigs + entry.bimplicitsigs
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except AttributeError:
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return None
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if len(bkids) != len(bkidsigs):
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global Warns
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Warns += 1
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# add warning to result rather than direct print so it will line up
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msg = "Warning: missing information, {} ids but {} sigs"
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result = [msg.format(len(bkids), len(bkidsigs))]
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else:
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result = []
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result += [nodeinfo_string(bkid, bkidsig, " ")
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for bkid, bkidsig in zip(bkids, bkidsigs)]
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if not result:
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return None
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return "\n ".join(result)
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map_field = {
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'action' : map_action,
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'timestamp' : map_timestamp,
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'bkids' : map_bkids,
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}
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map_name = {
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'implicit' : 'bkids',
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}
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def field(name, entry, verbose=Verbose):
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if not Print_Flags[name]:
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return None
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fieldname = map_name.get(name, name)
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mapper = map_field.get(fieldname, default_mapper)
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val = mapper(entry, name)
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if verbose:
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val = name + ": " + val
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return val
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def nodeinfo_raw(name, ninfo, prefix=""):
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"""
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This just formats the dictionary, which we would normally use str()
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to do, except that we want the keys sorted for deterministic output.
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"""
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d = ninfo.__getstate__()
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try:
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keys = ninfo.field_list + ['_version_id']
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except AttributeError:
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keys = sorted(d.keys())
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values = []
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for key in keys:
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values.append('%s: %s' % (repr(key), repr(d.get(key))))
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if '\n' in name:
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name = repr(name)
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return name + ': {' + ', '.join(values) + '}'
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def nodeinfo_cooked(name, ninfo, prefix=""):
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try:
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field_list = ninfo.field_list
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except AttributeError:
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field_list = []
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if '\n' in name:
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name = repr(name)
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outlist = [name + ':'] + [
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f for f in [field(x, ninfo, Verbose) for x in field_list] if f
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]
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if Verbose:
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sep = '\n ' + prefix
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else:
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sep = ' '
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return sep.join(outlist)
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nodeinfo_string = nodeinfo_cooked
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def printfield(name, entry, prefix=""):
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outlist = field("implicit", entry, 0)
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if outlist:
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if Verbose:
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print(" implicit:")
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print(" " + outlist)
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outact = field("action", entry, 0)
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if outact:
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if Verbose:
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print(" action: " + outact)
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else:
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print(" " + outact)
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def printentries(entries, location):
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if Print_Entries:
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for name in Print_Entries:
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try:
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entry = entries[name]
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except KeyError:
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err = "sconsign: no entry `%s' in `%s'\n" % (name, location)
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sys.stderr.write(err)
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else:
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try:
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ninfo = entry.ninfo
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except AttributeError:
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print(name + ":")
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else:
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print(nodeinfo_string(name, entry.ninfo))
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printfield(name, entry.binfo)
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else:
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for name in sorted(entries.keys()):
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entry = entries[name]
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try:
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entry.ninfo
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except AttributeError:
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print(name + ":")
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else:
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print(nodeinfo_string(name, entry.ninfo))
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printfield(name, entry.binfo)
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class Do_SConsignDB:
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def __init__(self, dbm_name, dbm):
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self.dbm_name = dbm_name
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self.dbm = dbm
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def __call__(self, fname):
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# The *dbm modules stick their own file suffixes on the names
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# that are passed in. This causes us to jump through some
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# hoops here.
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try:
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# Try opening the specified file name. Example:
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# SPECIFIED OPENED BY self.dbm.open()
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# --------- -------------------------
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# .sconsign => .sconsign.dblite
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# .sconsign.dblite => .sconsign.dblite.dblite
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db = self.dbm.open(fname, "r")
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except (IOError, OSError) as e:
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print_e = e
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try:
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# That didn't work, so try opening the base name,
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# so that if they actually passed in 'sconsign.dblite'
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# (for example), the dbm module will put the suffix back
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# on for us and open it anyway.
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db = self.dbm.open(os.path.splitext(fname)[0], "r")
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except (IOError, OSError):
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# That didn't work either. See if the file name
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# they specified even exists (independent of the dbm
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# suffix-mangling).
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try:
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with open(fname, "rb"):
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pass # this is a touch only, we don't use it here.
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except (IOError, OSError) as e:
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# Nope, that file doesn't even exist, so report that
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# fact back.
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print_e = e
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sys.stderr.write("sconsign: %s\n" % print_e)
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return
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except KeyboardInterrupt:
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raise
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except pickle.UnpicklingError:
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sys.stderr.write("sconsign: ignoring invalid `%s' file `%s'\n"
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% (self.dbm_name, fname))
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return
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except Exception as e:
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sys.stderr.write("sconsign: ignoring invalid `%s' file `%s': %s\n"
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% (self.dbm_name, fname, e))
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exc_type, _, _ = sys.exc_info()
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if exc_type.__name__ == "ValueError":
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sys.stderr.write("unrecognized pickle protocol.\n")
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return
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if Print_Directories:
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for dir in Print_Directories:
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try:
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val = db[dir]
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except KeyError:
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err = "sconsign: no dir `%s' in `%s'\n" % (dir, args[0])
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sys.stderr.write(err)
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else:
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self.printentries(dir, val)
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else:
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for dir in sorted(db.keys()):
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self.printentries(dir, db[dir])
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@staticmethod
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def printentries(dir, val):
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try:
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print('=== ' + dir + ':')
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except TypeError:
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print('=== ' + dir.decode() + ':')
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printentries(pickle.loads(val), dir)
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def Do_SConsignDir(name):
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try:
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with open(name, 'rb') as fp:
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try:
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sconsign = SCons.SConsign.Dir(fp)
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except KeyboardInterrupt:
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raise
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except pickle.UnpicklingError:
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err = "sconsign: ignoring invalid .sconsign file `%s'\n" % name
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sys.stderr.write(err)
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return
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except Exception as e:
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err = "sconsign: ignoring invalid .sconsign file `%s': %s\n" % (name, e)
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sys.stderr.write(err)
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return
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printentries(sconsign.entries, args[0])
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except (IOError, OSError) as e:
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sys.stderr.write("sconsign: %s\n" % e)
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return
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##############################################################################
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def main():
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global Do_Call
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global nodeinfo_string
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global args
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global Verbose
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global Readable
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helpstr = """\
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Usage: sconsign [OPTIONS] [FILE ...]
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Options:
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-a, --act, --action Print build action information.
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-c, --csig Print content signature information.
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-d DIR, --dir=DIR Print only info about DIR.
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-e ENTRY, --entry=ENTRY Print only info about ENTRY.
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-f FORMAT, --format=FORMAT FILE is in the specified FORMAT.
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-h, --help Print this message and exit.
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-i, --implicit Print implicit dependency information.
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-r, --readable Print timestamps in human-readable form.
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--raw Print raw Python object representations.
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-s, --size Print file sizes.
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-t, --timestamp Print timestamp information.
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-v, --verbose Verbose, describe each field.
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"""
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try:
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opts, args = getopt.getopt(
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sys.argv[1:],
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'acd:e:f:hirstv',
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[
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'act',
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'action',
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'csig',
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'dir=',
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'entry=',
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'format=',
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'help',
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'implicit',
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'raw',
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'readable',
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'size',
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'timestamp',
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'verbose',
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],
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)
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except getopt.GetoptError as err:
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sys.stderr.write(str(err) + '\n')
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print(helpstr)
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sys.exit(2)
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for o, a in opts:
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if o in ('-a', '--act', '--action'):
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Print_Flags['action'] = 1
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elif o in ('-c', '--csig'):
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Print_Flags['csig'] = 1
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elif o in ('-d', '--dir'):
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Print_Directories.append(a)
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elif o in ('-e', '--entry'):
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Print_Entries.append(a)
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elif o in ('-f', '--format'):
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# Try to map the given DB format to a known module
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# name, that we can then try to import...
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Module_Map = {'dblite': 'SCons.dblite', 'sconsign': None}
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dbm_name = Module_Map.get(a, a)
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if dbm_name:
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try:
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if dbm_name != "SCons.dblite":
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dbm = importlib.import_module(dbm_name)
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else:
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import SCons.dblite
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dbm = SCons.dblite
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# Ensure that we don't ignore corrupt DB files,
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# this was handled by calling my_import('SCons.dblite')
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# again in earlier versions...
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SCons.dblite.IGNORE_CORRUPT_DBFILES = False
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except ImportError:
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sys.stderr.write("sconsign: illegal file format `%s'\n" % a)
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print(helpstr)
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sys.exit(2)
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Do_Call = Do_SConsignDB(a, dbm)
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else:
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Do_Call = Do_SConsignDir
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elif o in ('-h', '--help'):
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print(helpstr)
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sys.exit(0)
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elif o in ('-i', '--implicit'):
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Print_Flags['implicit'] = 1
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elif o in ('--raw',):
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nodeinfo_string = nodeinfo_raw
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elif o in ('-r', '--readable'):
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Readable = 1
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elif o in ('-s', '--size'):
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Print_Flags['size'] = 1
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elif o in ('-t', '--timestamp'):
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Print_Flags['timestamp'] = 1
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elif o in ('-v', '--verbose'):
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Verbose = 1
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if Do_Call:
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for a in args:
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Do_Call(a)
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else:
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if not args:
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args = [".sconsign.dblite"]
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for a in args:
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dbm_name = my_whichdb(a)
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if dbm_name:
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Map_Module = {'SCons.dblite': 'dblite'}
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if dbm_name != "SCons.dblite":
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dbm = importlib.import_module(dbm_name)
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else:
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import SCons.dblite
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dbm = SCons.dblite
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# Ensure that we don't ignore corrupt DB files,
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# this was handled by calling my_import('SCons.dblite')
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# again in earlier versions...
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SCons.dblite.IGNORE_CORRUPT_DBFILES = False
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Do_SConsignDB(Map_Module.get(dbm_name, dbm_name), dbm)(a)
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else:
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Do_SConsignDir(a)
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if Warns:
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print("NOTE: there were %d warnings, please check output" % Warns)
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if __name__ == "__main__":
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main()
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sys.exit(0)
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# Local Variables:
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# tab-width:4
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# indent-tabs-mode:nil
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# End:
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# vim: set expandtab tabstop=4 shiftwidth=4:
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