__init__.py (8328:03cfd2ecf6bb) __init__.py (8453:82fc1267d3bb)
1# Copyright (c) 2008-2009 The Hewlett-Packard Development Company
2# Copyright (c) 2004-2006 The Regents of The University of Michigan
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28# Authors: Nathan Binkert
29
30import os
31import re
32import sys
33
34import convert
35import jobfile
36
37from attrdict import attrdict, multiattrdict, optiondict
38from code_formatter import code_formatter
39from multidict import multidict
40from orderdict import orderdict
41from smartdict import SmartDict
42from sorteddict import SortedDict
43from region import neg_inf, pos_inf, Region, Regions
44
45# panic() should be called when something happens that should never
46# ever happen regardless of what the user does (i.e., an acutal m5
47# bug).
48def panic(fmt, *args):
49 print >>sys.stderr, 'panic:', fmt % args
50 sys.exit(1)
51
52# fatal() should be called when the simulation cannot continue due to
53# some condition that is the user's fault (bad configuration, invalid
54# arguments, etc.) and not a simulator bug.
55def fatal(fmt, *args):
56 print >>sys.stderr, 'fatal:', fmt % args
57 sys.exit(1)
58
59class Singleton(type):
60 def __call__(cls, *args, **kwargs):
61 if hasattr(cls, '_instance'):
62 return cls._instance
63
64 cls._instance = super(Singleton, cls).__call__(*args, **kwargs)
65 return cls._instance
66
67def addToPath(path):
68 """Prepend given directory to system module search path. We may not
69 need this anymore if we can structure our config library more like a
70 Python package."""
71
72 # if it's a relative path and we know what directory the current
73 # python script is in, make the path relative to that directory.
74 if not os.path.isabs(path) and sys.path[0]:
75 path = os.path.join(sys.path[0], path)
76 path = os.path.realpath(path)
77 # sys.path[0] should always refer to the current script's directory,
78 # so place the new dir right after that.
79 sys.path.insert(1, path)
80
81# Apply method to object.
82# applyMethod(obj, 'meth', <args>) is equivalent to obj.meth(<args>)
83def applyMethod(obj, meth, *args, **kwargs):
84 return getattr(obj, meth)(*args, **kwargs)
85
86# If the first argument is an (non-sequence) object, apply the named
87# method with the given arguments. If the first argument is a
88# sequence, apply the method to each element of the sequence (a la
89# 'map').
90def applyOrMap(objOrSeq, meth, *args, **kwargs):
91 if not isinstance(objOrSeq, (list, tuple)):
92 return applyMethod(objOrSeq, meth, *args, **kwargs)
93 else:
94 return [applyMethod(o, meth, *args, **kwargs) for o in objOrSeq]
95
96def compareVersions(v1, v2):
97 """helper function: compare arrays or strings of version numbers.
98 E.g., compare_version((1,3,25), (1,4,1)')
99 returns -1, 0, 1 if v1 is <, ==, > v2
100 """
101 def make_version_list(v):
102 if isinstance(v, (list,tuple)):
103 return v
104 elif isinstance(v, str):
105 return map(lambda x: int(re.match('\d+', x).group()), v.split('.'))
106 else:
107 raise TypeError
108
109 v1 = make_version_list(v1)
110 v2 = make_version_list(v2)
111 # Compare corresponding elements of lists
112 for n1,n2 in zip(v1, v2):
113 if n1 < n2: return -1
114 if n1 > n2: return 1
115 # all corresponding values are equal... see if one has extra values
116 if len(v1) < len(v2): return -1
117 if len(v1) > len(v2): return 1
118 return 0
119
120def crossproduct(items):
121 if len(items) == 1:
122 for i in items[0]:
123 yield (i,)
124 else:
125 for i in items[0]:
126 for j in crossproduct(items[1:]):
127 yield (i,) + j
128
129def flatten(items):
130 while items:
131 item = items.pop(0)
132 if isinstance(item, (list, tuple)):
133 items[0:0] = item
134 else:
135 yield item
136
137# force scalars to one-element lists for uniformity
138def makeList(objOrList):
139 if isinstance(objOrList, list):
140 return objOrList
141 return [objOrList]
142
143def printList(items, indent=4):
144 line = ' ' * indent
145 for i,item in enumerate(items):
146 if len(line) + len(item) > 76:
147 print line
148 line = ' ' * indent
149
150 if i < len(items) - 1:
151 line += '%s, ' % item
152 else:
153 line += item
154 print line
155
156def readCommand(cmd, **kwargs):
157 """run the command cmd, read the results and return them
158 this is sorta like `cmd` in shell"""
159 from subprocess import Popen, PIPE, STDOUT
160
161 if isinstance(cmd, str):
162 cmd = cmd.split()
163
164 no_exception = 'exception' in kwargs
165 exception = kwargs.pop('exception', None)
166
167 kwargs.setdefault('shell', False)
168 kwargs.setdefault('stdout', PIPE)
169 kwargs.setdefault('stderr', STDOUT)
170 kwargs.setdefault('close_fds', True)
171 try:
172 subp = Popen(cmd, **kwargs)
173 except Exception, e:
174 if no_exception:
175 return exception
176 raise
177
178 return subp.communicate()[0]
1# Copyright (c) 2008-2009 The Hewlett-Packard Development Company
2# Copyright (c) 2004-2006 The Regents of The University of Michigan
3# All rights reserved.
4#
5# Redistribution and use in source and binary forms, with or without
6# modification, are permitted provided that the following conditions are
7# met: redistributions of source code must retain the above copyright
8# notice, this list of conditions and the following disclaimer;
9# redistributions in binary form must reproduce the above copyright
10# notice, this list of conditions and the following disclaimer in the
11# documentation and/or other materials provided with the distribution;
12# neither the name of the copyright holders nor the names of its
13# contributors may be used to endorse or promote products derived from
14# this software without specific prior written permission.
15#
16# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27#
28# Authors: Nathan Binkert
29
30import os
31import re
32import sys
33
34import convert
35import jobfile
36
37from attrdict import attrdict, multiattrdict, optiondict
38from code_formatter import code_formatter
39from multidict import multidict
40from orderdict import orderdict
41from smartdict import SmartDict
42from sorteddict import SortedDict
43from region import neg_inf, pos_inf, Region, Regions
44
45# panic() should be called when something happens that should never
46# ever happen regardless of what the user does (i.e., an acutal m5
47# bug).
48def panic(fmt, *args):
49 print >>sys.stderr, 'panic:', fmt % args
50 sys.exit(1)
51
52# fatal() should be called when the simulation cannot continue due to
53# some condition that is the user's fault (bad configuration, invalid
54# arguments, etc.) and not a simulator bug.
55def fatal(fmt, *args):
56 print >>sys.stderr, 'fatal:', fmt % args
57 sys.exit(1)
58
59class Singleton(type):
60 def __call__(cls, *args, **kwargs):
61 if hasattr(cls, '_instance'):
62 return cls._instance
63
64 cls._instance = super(Singleton, cls).__call__(*args, **kwargs)
65 return cls._instance
66
67def addToPath(path):
68 """Prepend given directory to system module search path. We may not
69 need this anymore if we can structure our config library more like a
70 Python package."""
71
72 # if it's a relative path and we know what directory the current
73 # python script is in, make the path relative to that directory.
74 if not os.path.isabs(path) and sys.path[0]:
75 path = os.path.join(sys.path[0], path)
76 path = os.path.realpath(path)
77 # sys.path[0] should always refer to the current script's directory,
78 # so place the new dir right after that.
79 sys.path.insert(1, path)
80
81# Apply method to object.
82# applyMethod(obj, 'meth', <args>) is equivalent to obj.meth(<args>)
83def applyMethod(obj, meth, *args, **kwargs):
84 return getattr(obj, meth)(*args, **kwargs)
85
86# If the first argument is an (non-sequence) object, apply the named
87# method with the given arguments. If the first argument is a
88# sequence, apply the method to each element of the sequence (a la
89# 'map').
90def applyOrMap(objOrSeq, meth, *args, **kwargs):
91 if not isinstance(objOrSeq, (list, tuple)):
92 return applyMethod(objOrSeq, meth, *args, **kwargs)
93 else:
94 return [applyMethod(o, meth, *args, **kwargs) for o in objOrSeq]
95
96def compareVersions(v1, v2):
97 """helper function: compare arrays or strings of version numbers.
98 E.g., compare_version((1,3,25), (1,4,1)')
99 returns -1, 0, 1 if v1 is <, ==, > v2
100 """
101 def make_version_list(v):
102 if isinstance(v, (list,tuple)):
103 return v
104 elif isinstance(v, str):
105 return map(lambda x: int(re.match('\d+', x).group()), v.split('.'))
106 else:
107 raise TypeError
108
109 v1 = make_version_list(v1)
110 v2 = make_version_list(v2)
111 # Compare corresponding elements of lists
112 for n1,n2 in zip(v1, v2):
113 if n1 < n2: return -1
114 if n1 > n2: return 1
115 # all corresponding values are equal... see if one has extra values
116 if len(v1) < len(v2): return -1
117 if len(v1) > len(v2): return 1
118 return 0
119
120def crossproduct(items):
121 if len(items) == 1:
122 for i in items[0]:
123 yield (i,)
124 else:
125 for i in items[0]:
126 for j in crossproduct(items[1:]):
127 yield (i,) + j
128
129def flatten(items):
130 while items:
131 item = items.pop(0)
132 if isinstance(item, (list, tuple)):
133 items[0:0] = item
134 else:
135 yield item
136
137# force scalars to one-element lists for uniformity
138def makeList(objOrList):
139 if isinstance(objOrList, list):
140 return objOrList
141 return [objOrList]
142
143def printList(items, indent=4):
144 line = ' ' * indent
145 for i,item in enumerate(items):
146 if len(line) + len(item) > 76:
147 print line
148 line = ' ' * indent
149
150 if i < len(items) - 1:
151 line += '%s, ' % item
152 else:
153 line += item
154 print line
155
156def readCommand(cmd, **kwargs):
157 """run the command cmd, read the results and return them
158 this is sorta like `cmd` in shell"""
159 from subprocess import Popen, PIPE, STDOUT
160
161 if isinstance(cmd, str):
162 cmd = cmd.split()
163
164 no_exception = 'exception' in kwargs
165 exception = kwargs.pop('exception', None)
166
167 kwargs.setdefault('shell', False)
168 kwargs.setdefault('stdout', PIPE)
169 kwargs.setdefault('stderr', STDOUT)
170 kwargs.setdefault('close_fds', True)
171 try:
172 subp = Popen(cmd, **kwargs)
173 except Exception, e:
174 if no_exception:
175 return exception
176 raise
177
178 return subp.communicate()[0]
179
180def makeDir(path):
181 """Make a directory if it doesn't exist. If the path does exist,
182 ensure that it is a directory"""
183 if os.path.exists(path):
184 if not os.path.isdir(path):
185 raise AttributeError, "%s exists but is not directory" % path
186 else:
187 os.mkdir(path)