File: install.py

package info (click to toggle)
petsc 3.23.1%2Bdfsg1-1exp1
  • links: PTS, VCS
  • area: main
  • in suites: experimental
  • size: 515,576 kB
  • sloc: ansic: 751,607; cpp: 51,542; python: 38,598; f90: 17,352; javascript: 3,493; makefile: 3,157; sh: 1,502; xml: 619; objc: 445; java: 13; csh: 1
file content (635 lines) | stat: -rwxr-xr-x 25,527 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
#!/usr/bin/env python3
from __future__ import print_function
import os, re, shutil, sys
import sysconfig

if 'PETSC_DIR' in os.environ:
  PETSC_DIR = os.environ['PETSC_DIR']
else:
  fd = open(os.path.join('lib','petsc','conf','petscvariables'))
  a = fd.readline()
  a = fd.readline()
  PETSC_DIR = a.split('=')[1][0:-1]
  fd.close()

if 'PETSC_ARCH' in os.environ:
  PETSC_ARCH = os.environ['PETSC_ARCH']
else:
  fd = open(os.path.join('lib','petsc','conf','petscvariables'))
  a = fd.readline()
  PETSC_ARCH = a.split('=')[1][0:-1]
  fd.close()

print('*** Using PETSC_DIR='+PETSC_DIR+' PETSC_ARCH='+PETSC_ARCH+' ***')
sys.path.insert(0, os.path.join(PETSC_DIR, 'config'))
sys.path.insert(0, os.path.join(PETSC_DIR, 'config', 'BuildSystem'))

import script

try:
  WindowsError
except NameError:
  WindowsError = None

class Installer(script.Script):
  def __init__(self, clArgs = None):
    import RDict
    argDB = RDict.RDict(None, None, 0, 0, readonly = True)
    argDB.saveFilename = os.path.join(PETSC_DIR, PETSC_ARCH, 'lib','petsc','conf', 'RDict.db')
    argDB.load()
    script.Script.__init__(self, argDB = argDB)
    if not clArgs is None: self.clArgs = clArgs
    self.copies = []
    return

  def setupHelp(self, help):
    import nargs
    script.Script.setupHelp(self, help)
    help.addArgument('Installer', '-destDir=<path>', nargs.Arg(None, '', 'Destination Directory for install'))
    help.addArgument('Installer', '-no-examples', nargs.Arg(None, '', 'Skip installing examples'))
    return


  def setupModules(self):
    self.setCompilers  = self.framework.require('config.setCompilers',         None)
    self.arch          = self.framework.require('PETSc.options.arch',          None)
    self.petscdir      = self.framework.require('PETSc.options.petscdir',      None)
    self.compilers     = self.framework.require('config.compilers',            None)
    self.mpi           = self.framework.require('config.packages.MPI',         None)
    return

  def setup(self):
    script.Script.setup(self)
    self.framework = self.loadConfigure()
    self.setupModules()
    return

  def setupDirectories(self):
    self.rootDir    = self.petscdir.dir
    self.installDir = os.path.abspath(os.path.expanduser(self.framework.argDB['prefix']))
    self.destDir    = os.path.abspath(self.argDB['destDir']+self.installDir)
    self.arch       = self.arch.arch
    self.archDir           = os.path.join(self.rootDir, self.arch)
    self.rootIncludeDir    = os.path.join(self.rootDir, 'include')
    self.archIncludeDir    = os.path.join(self.rootDir, self.arch, 'include')
    self.rootConfDir       = os.path.join(self.rootDir, 'lib','petsc','conf')
    self.archConfDir       = os.path.join(self.rootDir, self.arch, 'lib','petsc','conf')
    self.rootBinDir        = os.path.join(self.rootDir, 'lib','petsc','bin')
    self.archBinDir        = os.path.join(self.rootDir, self.arch, 'bin')
    self.archLibDir        = os.path.join(self.rootDir, self.arch, 'lib')
    self.destIncludeDir    = os.path.join(self.destDir, 'include')
    self.destConfDir       = os.path.join(self.destDir, 'lib','petsc','conf')
    self.destLibDir        = os.path.join(self.destDir, 'lib')
    self.destBinDir        = os.path.join(self.destDir, 'lib','petsc','bin')
    self.installIncludeDir = os.path.join(self.installDir, 'include')
    self.installLibDir     = os.path.join(self.installDir, 'lib')
    self.installBinDir     = os.path.join(self.installDir, 'lib','petsc','bin')
    self.rootShareDir      = os.path.join(self.rootDir, 'share')
    self.destShareDir      = os.path.join(self.destDir, 'share')
    self.rootSrcDir        = os.path.join(self.rootDir, 'src')

    self.ranlib      = self.compilers.RANLIB
    self.arLibSuffix = self.compilers.AR_LIB_SUFFIX
    return

  def checkPrefix(self):
    if not self.installDir:
      print('********************************************************************')
      print('PETSc is built without prefix option. So "make install" is not appropriate.')
      print('If you need a prefix install of PETSc - rerun configure with --prefix option.')
      print('********************************************************************')
      sys.exit(1)
    return

  def checkDestdir(self):
    if os.path.exists(self.destDir):
      if os.path.samefile(self.destDir, self.rootDir):
        print('********************************************************************')
        print('Incorrect prefix usage. Specified destDir same as current PETSC_DIR')
        print('********************************************************************')
        sys.exit(1)
      if os.path.samefile(self.destDir, os.path.join(self.rootDir,self.arch)):
        print('********************************************************************')
        print('Incorrect prefix usage. Specified destDir same as current PETSC_DIR/PETSC_ARCH')
        print('********************************************************************')
        sys.exit(1)
      if not os.path.isdir(os.path.realpath(self.destDir)):
        print('********************************************************************')
        print('Specified destDir', self.destDir, 'is not a directory. Cannot proceed!')
        print('********************************************************************')
        sys.exit(1)
      if not os.access(self.destDir, os.W_OK):
        print('********************************************************************')
        print('Unable to write to ', self.destDir, 'Perhaps you need to do "sudo make install"')
        print('********************************************************************')
        sys.exit(1)
    return

  def setupBuild(self):
    self.using_build_backend = any(
      os.environ.get(prefix + '_BUILD_BACKEND')
      for prefix in ('_PYPROJECT_HOOKS', 'PEP517')
    )
    self.relocate_py_env = os.environ.get('CIBUILDWHEEL', '0') == '1'

  def copyfile(self, src, dst, symlinks = False, copyFunc = shutil.copy2):
    """Copies a single file    """
    copies = []
    errors = []
    if not os.path.exists(dst):
      os.makedirs(dst)
    elif not os.path.isdir(dst):
      raise shutil.Error('Destination is not a directory')
    srcname = src
    dstname = os.path.join(dst, os.path.basename(src))
    try:
      if symlinks and os.path.islink(srcname):
        linkto = os.readlink(srcname)
        os.symlink(linkto, dstname)
      else:
        copyFunc(srcname, dstname)
        copies.append((srcname, dstname))
    except (IOError, os.error) as why:
      errors.append((srcname, dstname, str(why)))
    except shutil.Error as err:
      errors.append((srcname,dstname,str(err.args[0])))
    if errors:
      raise shutil.Error(errors)
    return copies

  def fixExamplesMakefile(self, src):
    '''Change ././${PETSC_ARCH} in makefile in root PETSc directory with ${PETSC_DIR}'''
    lines   = []
    oldFile = open(src, 'r')
    alllines=oldFile.read()
    oldFile.close()
    newlines=alllines.split('\n')[0]+'\n'  # Firstline
    # Hardcode PETSC_DIR and PETSC_ARCH to avoid users doing the wrong thing
    newlines+='PETSC_DIR='+self.installDir+'\n'
    newlines+='PETSC_ARCH=\n'
    for line in alllines.split('\n')[1:]:
      if line.startswith('TESTLOGFILE'):
        newlines+='TESTLOGFILE = $(TESTDIR)/examples-install.log\n'
      elif line.startswith('CONFIGDIR'):
        newlines+='CONFIGDIR:=$(PETSC_DIR)/$(PETSC_ARCH)/share/petsc/examples/config\n'
      elif line.startswith('$(generatedtest)') and 'petscvariables' in line:
        newlines+='all: test\n\n'+line+'\n'
      else:
        newlines+=line+'\n'
    newFile = open(src, 'w')
    newFile.write(newlines)
    newFile.close()
    return

  def copyConfig(self, src, dst):
    """Copy configuration/testing files
    """
    if not os.path.isdir(dst):
      raise shutil.Error('Destination is not a directory')

    self.copies.extend(self.copyfile('gmakefile.test',dst))
    newConfigDir=os.path.join(dst,'config')  # Am not renaming at present
    if not os.path.isdir(newConfigDir): os.mkdir(newConfigDir)
    testConfFiles="gmakegentest.py gmakegen.py testparse.py example_template.py".split()
    testConfFiles+="petsc_harness.sh report_tests.py query_tests.py".split()
    for tf in testConfFiles:
      self.copies.extend(self.copyfile(os.path.join('config',tf),newConfigDir))
    return

  def copyExamples(self, src, dst):
    """copy the examples directories
    """
    for root, dirs, files in os.walk(src, topdown=False):
      if os.path.basename(root) not in ("tests", "tutorials"): continue
      self.copies.extend(self.copytree(root, root.replace(src,dst)))
    return

  def copytree(self, src, dst, symlinks = False, copyFunc = shutil.copy2, exclude = [], exclude_ext= ['.DSYM','.o','.pyc'], recurse = 1):
    """Recursively copy a directory tree using copyFunc, which defaults to shutil.copy2().

       The copyFunc() you provide is only used on the top level, lower levels always use shutil.copy2

    The destination directory must not already exist.
    If exception(s) occur, an shutil.Error is raised with a list of reasons.

    If the optional symlinks flag is true, symbolic links in the
    source tree result in symbolic links in the destination tree; if
    it is false, the contents of the files pointed to by symbolic
    links are copied.
    """
    copies = []
    names  = os.listdir(src)
    if not os.path.exists(dst):
      os.makedirs(dst)
    elif not os.path.isdir(dst):
      raise shutil.Error('Destination is not a directory')
    errors = []
    srclinks = []
    dstlinks = []
    for name in names:
      srcname = os.path.join(src, name)
      dstname = os.path.join(dst, name)
      try:
        if symlinks and os.path.islink(srcname):
          linkto = os.readlink(srcname)
          os.symlink(linkto, dstname)
        elif os.path.isdir(srcname) and recurse and not os.path.basename(srcname) in exclude:
          copies.extend(self.copytree(srcname, dstname, symlinks,exclude = exclude, exclude_ext = exclude_ext))
        elif os.path.isfile(srcname) and not os.path.basename(srcname) in exclude and os.path.splitext(name)[1] not in exclude_ext :
          if os.path.islink(srcname):
            srclinks.append(srcname)
            dstlinks.append(dstname)
          else:
            copyFunc(srcname, dstname)
            copies.append((srcname, dstname))
        # XXX What about devices, sockets etc.?
      except (IOError, os.error) as why:
        errors.append((srcname, dstname, str(why)))
      # catch the Error from the recursive copytree so that we can
      # continue with other files
      except shutil.Error as err:
        errors.append((srcname,dstname,str(err.args[0])))
    for srcname, dstname in zip(srclinks, dstlinks):
      try:
        copyFunc(srcname, dstname)
        copies.append((srcname, dstname))
      except (IOError, os.error) as why:
        errors.append((srcname, dstname, str(why)))
      # catch the Error from the recursive copytree so that we can
      # continue with other files
      except shutil.Error as err:
        errors.append((srcname,dstname,str(err.args[0])))
    try:
      shutil.copystat(src, dst)
    except OSError as e:
      if WindowsError is not None and isinstance(e, WindowsError):
        # Copying file access times may fail on Windows
        pass
      else:
        errors.append((src, dst, str(e)))
    if errors:
      raise shutil.Error(errors)
    return copies


  def fixConfFile(self, src):
    lines   = []
    oldFile = open(src, 'r')
    for line in oldFile.readlines():
      if line.startswith('PETSC_CC_INCLUDES =') or line.startswith('PETSC_FC_INCLUDES ='):
        continue
      line = line.replace('PETSC_CC_INCLUDES_INSTALL', 'PETSC_CC_INCLUDES')
      line = line.replace('PETSC_FC_INCLUDES_INSTALL', 'PETSC_FC_INCLUDES')
      # remove PETSC_DIR/PETSC_ARCH variables from conf-makefiles. They are no longer necessary
      line = line.replace('${PETSC_DIR}/${PETSC_ARCH}', self.installDir)
      line = line.replace('PETSC_ARCH=${PETSC_ARCH}', '')
      line = line.replace('${PETSC_DIR}', self.installDir)
      # replace PETSC_DIR/PETSC_ARCH/lib (i.e., build location) with prefix/lib
      line = line.replace(self.archLibDir,self.installLibDir)
      # replace PETSC_DIR/lib/petsc/bin with prefix/lib/petsc/bin
      line = line.replace(self.rootBinDir,self.destBinDir)
      lines.append(line)
    oldFile.close()
    newFile = open(src, 'w')
    newFile.write(''.join(lines))
    newFile.close()
    return

  def fixConf(self):
    import shutil
    for file in ['rules', 'rules_doc.mk', 'rules_util.mk', 'variables', 'petscrules', 'petscvariables']:
      self.fixConfFile(os.path.join(self.destConfDir,file))
    return

  def fixPythonWheel(self):
    import glob
    import shutil
    #
    for pattern in (
        self.destLibDir  + '/*.a',
        self.destLibDir  + '/*.la',
        self.destLibDir  + '/pkgconfig',  # TODO: keep?
        self.destConfDir + '/configure-hash',
        self.destConfDir + '/uninstall.py',
        self.destConfDir + '/reconfigure-*.py',
        self.destConfDir + '/pkg.conf.*',
        self.destConfDir + '/pkg.git*.*',
        self.destConfDir + '/modules',  # TODO: keep?
        self.destShareDir + '/*/examples/src/*',
        self.destShareDir + '/*/datafiles',
    ):
      for pathname in glob.glob(pattern):
        if os.path.isdir(pathname):
          shutil.rmtree(pathname)
        elif os.path.exists(pathname):
          os.remove(pathname)
    #
    if self.relocate_py_env:
      pydir = sys.prefix
      pylibdir = os.path.join(pydir, 'lib')
      pysitedir = sysconfig.get_paths()["platlib"]
      # petsc is installed in site-packages
      petscdir = os.path.join(pysitedir, 'petsc')
      petsclibdir = os.path.join(petscdir, 'lib')
    for filename in (
      self.destIncludeDir + '/petscconf.h',
      self.destIncludeDir + '/petscconfiginfo.h',
      self.destIncludeDir + '/petscmachineinfo.h',
      self.destShareDir + '/petsc/examples/gmakefile.test',
      self.destConfDir + '/rules',
      self.destConfDir + '/rules_doc.mk',
      self.destConfDir + '/rules_util.mk',
      self.destConfDir + '/petscrules',
      self.destConfDir + '/variables',
      self.destConfDir + '/petscvariables',
    ):
      with open(filename, 'r') as oldFile:
        contents = oldFile.read()
      contents = contents.replace(self.installDir, '${PETSC_DIR}')
      contents = contents.replace(self.rootDir, '${PETSC_DIR}')
      if self.relocate_py_env:
        pydir_from_petsc = os.path.relpath(pydir, petscdir)
        contents = contents.replace(pydir, os.path.join('${PETSC_DIR}', pydir_from_petsc))
      contents = re.sub(
        r'^(PYTHON(_EXE)?) = (.*)$',
        r'\1 = python%d' % sys.version_info[0],
        contents, flags=re.MULTILINE,
      )
      with open(filename, 'w') as newFile:
        newFile.write(contents)
    #
    def lsdir(dirname, *patterns):
      return glob.glob(os.path.join(dirname, *patterns))
    def shell(*args):
      return self.executeShellCommand(' '.join(args))[0]
    libdir = os.path.join(self.installDir, 'lib')
    if sys.platform == 'linux':
      libraries = [
        lib for lib in lsdir(self.destLibDir, 'lib*.so*')
        if not os.path.islink(lib)
      ]
      for shlib in libraries:
        # fix shared library rpath
        rpath = shell('patchelf', '--print-rpath', shlib)
        rpath = rpath.split(os.path.pathsep)
        if not self.relocate_py_env:
          if libdir in rpath:
            rpath.insert(0, '$ORIGIN')
            while libdir in rpath:
              rpath.remove(libdir)
        else:
          rpathold = rpath
          rpath = []
          # strip all rpath info, except for libraries in Python
          # sys prefix, site-packages, or petsc/lib
          rpath.insert(0, '$ORIGIN')
          for libdir in rpathold:
            if libdir.startswith(pysitedir):
              libdir_from_petsc = os.path.relpath(libdir, petsclibdir)
              rpath.insert(0, os.path.join('$ORIGIN',libdir_from_petsc))
          pylibdir_from_petsc = os.path.relpath(pylibdir, petsclibdir)
          rpath.insert(0, os.path.join('$ORIGIN',pylibdir_from_petsc))
        if rpath:
          rpath = os.path.pathsep.join(rpath)
          shell('patchelf', '--set-rpath', "'%s'" % rpath, shlib)
        # fix shared library file and symlink
        basename = os.path.basename(shlib)
        libname, ext, _ = basename.partition('.so')
        liblink = libname + ext
        soname = shell('patchelf', '--print-soname', shlib)
        for symlink in lsdir(self.destLibDir, liblink + '*'):
          if os.path.islink(symlink):
            os.unlink(symlink)
        curdir = os.getcwd()
        try:
          os.chdir(os.path.dirname(shlib))
          if soname != basename:
            os.rename(basename, soname)
          if soname != liblink:
            with open(liblink, 'w') as f:
              f.write('INPUT(' + soname + ')\n')
        finally:
          os.chdir(curdir)
    if sys.platform == 'darwin':
      def otool(cmd, dylib):
        pattern = r'''
          ^\s+ cmd \s %s$\n
          ^\s+ cmdsize \s \d+$\n
          ^\s+ (?:name|path) \s (.*) \s \(offset \s \d+\)$
        ''' % cmd
        return re.findall(
          pattern, shell('otool', '-l', dylib),
          flags=re.VERBOSE | re.MULTILINE,
        )
      libraries = [
        lib for lib in lsdir(self.destLibDir, 'lib*.dylib')
        if not os.path.islink(lib)
      ]
      for dylib in libraries:
        install_name = otool('LC_ID_DYLIB', dylib)[0]
        dependencies = otool('LC_LOAD_DYLIB', dylib)
        runtime_path = otool('LC_RPATH', dylib)
        # fix shared library install name and rpath
        install_name = '@rpath/' + os.path.basename(install_name)
        shell('install_name_tool', '-id', install_name, dylib)
        if libdir in runtime_path:
          shell('install_name_tool', '-delete_rpath', libdir, dylib)
        for rpath in ('@loader_path',):
          if rpath not in runtime_path:
            shell('install_name_tool', '-add_rpath', rpath, dylib)
        for dep in dependencies:
          if os.path.dirname(dep) in (libdir,):
            newid = '@rpath/' + os.path.basename(dep)
            shell('install_name_tool', '-change', dep, newid, dylib)
        # fix shared library file and symlink
        basename = os.path.basename(dylib)
        libname, ext = os.path.splitext(basename)
        libname = libname.partition('.')[0]
        liblink = libname + ext
        dyname = os.path.basename(install_name)
        for symlink in lsdir(self.destLibDir, libname + '*' + ext):
          if os.path.islink(symlink):
            os.unlink(symlink)
        curdir = os.getcwd()
        try:
          os.chdir(os.path.dirname(dylib))
          if dyname != basename:
            os.rename(basename, dyname)
          if dyname != liblink:
            os.symlink(dyname, liblink)
        finally:
          os.chdir(curdir)
    #
    return

  def createUninstaller(self):
    uninstallscript = os.path.join(self.destConfDir, 'uninstall.py')
    f = open(uninstallscript, 'w')
    # Could use the Python AST to do this
    f.write('#!'+sys.executable+'\n')
    f.write('import os\n')
    f.write('prefixdir = "'+self.installDir+'"\n')
    files = [dst.replace(self.destDir,self.installDir) for src, dst in self.copies]
    files.append(uninstallscript.replace(self.destDir,self.installDir))
    f.write('files = '+repr(files))
    f.write('''
for file in files:
  if os.path.exists(file) or os.path.islink(file):
    os.remove(file)
    dir = os.path.dirname(file)
    while dir not in [os.path.dirname(prefixdir),'/']:
      try: os.rmdir(dir)
      except: break
      dir = os.path.dirname(dir)
''')
    f.close()
    os.chmod(uninstallscript,0o744)
    return

  def installIncludes(self):
    exclude = ['makefile']
    if not hasattr(self.compilers.setCompilers, 'FC'):
      exclude.append('finclude')
    if not self.mpi.usingMPIUni:
      exclude.append('mpiuni')
    self.copies.extend(self.copytree(self.rootIncludeDir, self.destIncludeDir,exclude = exclude))
    self.copies.extend(self.copytree(self.archIncludeDir, self.destIncludeDir))
    return

  def installConf(self):
    self.copies.extend(self.copytree(self.rootConfDir, self.destConfDir, exclude = ['test.log']))
    self.copies.extend(self.copytree(self.archConfDir, self.destConfDir, exclude = ['sowing', 'configure.log.bkp','configure.log','make.log','gmake.log','test.log','error.log','memoryerror.log','files','testfiles','RDict.db']))
    return

  def installBin(self):
    exclude = ['bib2html','doc2lt','doctext','mapnames', 'pstogif','pstoxbm','tohtml']
    self.copies.extend(self.copytree(self.archBinDir, self.destBinDir, exclude = exclude ))
    exclude = ['maint']
    if not self.mpi.usingMPIUni:
      exclude.append('petsc-mpiexec.uni')
    self.setCompilers.pushLanguage('C')
    if self.setCompilers.getCompiler().find('win32fe') < 0:
      exclude.append('win32fe')
    self.setCompilers.popLanguage()
    self.copies.extend(self.copytree(self.rootBinDir, self.destBinDir, exclude = exclude ))
    return

  def installShare(self):
    self.copies.extend(self.copytree(self.rootShareDir, self.destShareDir))
    examplesdir=os.path.join(self.destShareDir,'petsc','examples')
    if os.path.exists(examplesdir):
      shutil.rmtree(examplesdir)
    os.mkdir(examplesdir)
    os.mkdir(os.path.join(examplesdir,'src'))
    self.copyConfig(self.rootDir,examplesdir)
    if not self.argDB['no-examples']:
        self.copyExamples(self.rootSrcDir,os.path.join(examplesdir,'src'))
        self.fixExamplesMakefile(os.path.join(examplesdir,'gmakefile.test'))
    return

  def copyLib(self, src, dst):
    '''Run ranlib on the destination library if it is an archive. Also run install_name_tool on dylib on Mac'''
    # Symlinks (assumed local) are recreated at dst
    if os.path.islink(src):
      linkto = os.readlink(src)
      try:
        os.remove(dst)            # In case it already exists
      except OSError:
        pass
      os.symlink(linkto, dst)
      return
    shutil.copy2(src, dst)
    if self.setCompilers.getCompiler().find('win32fe') < 0 and os.path.splitext(dst)[1] == '.'+self.arLibSuffix:
      import shlex
      self.executeShellCommand(shlex.split(self.ranlib) + [dst])
    if os.path.splitext(dst)[1] == '.dylib' and shutil.which('otool') and shutil.which('install_name_tool'):
      [output,err,flg] = self.executeShellCommand(['otool', '-D', src])
      oldname = output[output.find("\n")+1:]
      installName = oldname.replace(os.path.realpath(self.archDir), self.installDir)
      self.executeShellCommand(['install_name_tool', '-id', installName, dst])
    # preserve the original timestamps - so that the .a vs .so time order is preserved
    shutil.copystat(src,dst)
    return

  def installLib(self):
    self.copies.extend(self.copytree(self.archLibDir, self.destLibDir, copyFunc = self.copyLib, exclude = ['.DIR'],recurse = 0))
    self.copies.extend(self.copytree(os.path.join(self.archLibDir,'pkgconfig'), os.path.join(self.destLibDir,'pkgconfig'), copyFunc = self.copyLib, exclude = ['.DIR'],recurse = 0))
    return


  def outputInstallDone(self):
    from config.packages.make import getMakeUserPath
    print('''\
====================================
Install complete.
Now to check if the libraries are working do (in current directory):
%s PETSC_DIR=%s PETSC_ARCH="" check
====================================\
''' % (getMakeUserPath(self.arch), self.installDir))
    return

  def outputDestDirDone(self):
    print('''\
====================================
Copy to DESTDIR %s is now complete.
Before use - please copy/install over to specified prefix: %s
====================================\
''' % (self.destDir,self.installDir))
    return

  def runsetup(self):
    self.setup()
    self.setupDirectories()
    self.setupBuild()
    self.checkPrefix()
    self.checkDestdir()
    return

  def runcopy(self):
    if self.destDir == self.installDir:
      print('*** Installing PETSc at prefix location:',self.destDir, ' ***')
    else:
      print('*** Copying PETSc to DESTDIR location:',self.destDir, ' ***')
    if not os.path.exists(self.destDir):
      try:
        os.makedirs(self.destDir)
      except:
        print('********************************************************************')
        print('Unable to create', self.destDir, 'Perhaps you need to do "sudo make install"')
        print('********************************************************************')
        sys.exit(1)
    self.installIncludes()
    self.installConf()
    self.installBin()
    self.installLib()
    self.installShare()
    self.createUninstaller()
    return

  def runfix(self):
    self.fixConf()
    if self.using_build_backend:
      self.fixPythonWheel()
    return

  def rundone(self):
    if self.destDir == self.installDir:
      self.outputInstallDone()
    else:
      self.outputDestDirDone()
    return

  def run(self):
    self.runsetup()
    self.runcopy()
    self.runfix()
    self.rundone()
    return

if __name__ == '__main__':
  Installer(sys.argv[1:]).run()
  # temporary hack - delete log files created by BuildSystem - when 'sudo make install' is invoked
  delfiles=['RDict.db','RDict.log','buildsystem.log','default.log','buildsystem.log.bkp','default.log.bkp']
  for delfile in delfiles:
    if os.path.exists(delfile) and (os.stat(delfile).st_uid==0):
      os.remove(delfile)