1import config.base 2import os 3import re 4 5class Configure(config.base.Configure): 6 def __init__(self, framework): 7 config.base.Configure.__init__(self, framework) 8 self.headerPrefix = 'PETSC' 9 self.substPrefix = 'PETSC' 10 return 11 12 def __str1__(self): 13 if not hasattr(self, 'arch'): 14 return '' 15 desc = ['PETSc:'] 16 desc.append(' PETSC_ARCH: '+str(self.arch)) 17 return '\n'.join(desc)+'\n' 18 19 def setupHelp(self, help): 20 import nargs 21 help.addArgument('PETSc', '-PETSC_ARCH=<string>', nargs.Arg(None, None, 'The configuration name')) 22 help.addArgument('PETSc', '-with-petsc-arch=<string>',nargs.Arg(None, None, 'The configuration name')) 23 help.addArgument('PETSc', '-force=<bool>', nargs.ArgBool(None, 0, 'Bypass configure hash caching, and run to completion')) 24 return 25 26 def setupDependencies(self, framework): 27 self.sourceControl = framework.require('config.sourceControl',self) 28 self.petscdir = framework.require('PETSc.options.petscdir', self) 29 return 30 31 def setNativeArchitecture(self): 32 import sys 33 arch = 'arch-' + sys.platform.replace('cygwin','mswin') 34 # use opt/debug, c/c++ tags.s 35 arch+= '-'+self.framework.argDB['with-clanguage'].lower().replace('+','x') 36 if self.framework.argDB['with-debugging']: 37 arch += '-debug' 38 else: 39 arch += '-opt' 40 self.nativeArch = arch 41 return 42 43 def configureArchitecture(self): 44 '''Checks PETSC_ARCH and sets if not set''' 45 # Warn if PETSC_ARCH doesn't match env variable 46 if 'PETSC_ARCH' in self.framework.argDB and 'PETSC_ARCH' in os.environ and self.framework.argDB['PETSC_ARCH'] != os.environ['PETSC_ARCH']: 47 self.logPrintBox('''\ 48Warning: PETSC_ARCH from environment does not match command-line or name of script. 49Warning: Using from command-line or name of script: %s, ignoring environment: %s''' % (str(self.framework.argDB['PETSC_ARCH']), str(os.environ['PETSC_ARCH']))) 50 os.environ['PETSC_ARCH'] = self.framework.argDB['PETSC_ARCH'] 51 if 'with-petsc-arch' in self.framework.argDB: 52 self.arch = self.framework.argDB['with-petsc-arch'] 53 msg = 'option -with-petsc-arch='+str(self.arch) 54 elif 'PETSC_ARCH' in self.framework.argDB: 55 self.arch = self.framework.argDB['PETSC_ARCH'] 56 msg = 'option PETSC_ARCH='+str(self.arch) 57 elif 'PETSC_ARCH' in os.environ: 58 self.arch = os.environ['PETSC_ARCH'] 59 msg = 'environment variable PETSC_ARCH='+str(self.arch) 60 else: 61 self.arch = self.nativeArch 62 if self.arch.find('/') >= 0 or self.arch.find('\\') >= 0: 63 raise RuntimeError('PETSC_ARCH should not contain path characters, but you have specified with '+msg) 64 if self.arch.startswith('-'): 65 raise RuntimeError('PETSC_ARCH should not start with "-", but you have specified with '+msg) 66 if self.arch.startswith('.'): 67 raise RuntimeError('PETSC_ARCH should not start with ".", but you have specified with '+msg) 68 if not len(self.arch): 69 raise RuntimeError('PETSC_ARCH cannot be empty string. Use a valid string or do not set one. Currently set with '+msg) 70 self.archBase = re.sub(r'^(\w+)[-_]?.*$', r'\1', self.arch) 71 return 72 73 def makeDependency(self,hash,hashfile,hashfilepackages): 74 '''Deletes the current hashfile and saves the hashfile names and its value in framework so that''' 75 '''framework.Configure can create the file upon success of configure''' 76 import os 77 if hash: 78 self.framework.hash = hash 79 self.framework.hashfile = hashfile 80 self.logPrint('Setting hashfile: '+hashfile) 81 if hashfilepackages: self.framework.hashfilepackages = hashfilepackages 82 try: 83 self.logPrint('Deleting configure hash file: '+hashfile) 84 os.remove(hashfile) 85 self.logPrint('Deleted configure hash file: '+hashfile) 86 except: 87 self.logPrint('Unable to delete configure hash file: '+hashfile) 88 89 90 def checkDependency(self): 91 '''Checks if files in config have changed, the command line options have changed or the PATH has changed''' 92 ''' By default - checks if configure needs to be run''' 93 ''' If --arch-hash it manages the same information but it:''' 94 ''' * computes a short hash for the configuration <hashvalue>''' 95 ''' * sets self.arch and PETSC_ARCH to arch-<hashvalue>''' 96 ''' This results in the downloaded packages being installed once to the arch-<hasvalue> directory''' 97 ''' and a new directory with a different hash is created if the configuration changes.''' 98 ''' This mode is intended mostly for testing to reduce reconfigure and recompile times (not currently used)''' 99 ''' If --package-prefix-hash=directory is provided''' 100 ''' * computes a short hash for the configuration <hashvalue>''' 101 ''' * puts the downloaded external packages into location directory/hash''' 102 ''' This results in the downloaded packages being installed once''' 103 ''' and a new directory with a different hash is created if the configuration changes.''' 104 ''' This mode is intended mostly for testing to reduce time of reinstalling external packages''' 105 import os 106 import sys 107 import hashlib 108 args = sorted(set(filter(lambda x: not (x.startswith('PETSC_ARCH') or x == '--force'),sys.argv[1:]))) 109 hash = 'args:\n' + '\n'.join(' '+a for a in args) + '\n' 110 hash += 'PATH=' + os.environ.get('PATH', '') + '\n' 111 try: 112 for root, dirs, files in os.walk('config'): 113 if root == 'config': 114 dirs.remove('examples') 115 for f in files: 116 if not f.endswith('.py') or f.startswith('.') or f.startswith('#'): 117 continue 118 fname = os.path.join(root, f) 119 with open(fname,'rb') as f: 120 hash += hashlib.sha256(f.read()).hexdigest() + ' ' + fname + '\n' 121 except: 122 self.logPrint('Error generating file list/hash from config directory for configure hash, forcing new configuration') 123 return 124 125 hashfilepackages = None 126 # Generate short hash to use for the arch so the same arch can be reused if the configuration files don't change 127 if 'arch-hash' in self.argDB: 128 if self.argDB['prefix']: 129 raise RuntimeError('Cannot provide --prefix and --arch-hash') 130 if hasattr(self.argDB,'PETSC_ARCH'): 131 raise RuntimeError('Cannot provide PETSC_ARCH and --arch-hash') 132 if 'package-prefix-hash' in self.argDB: 133 raise RuntimeError('Cannot provide --arch-hash and --package-prefix-hash') 134 if os.getenv('PETSC_ARCH'): 135 raise RuntimeError('Do not set the environmental variable PETSC_ARCH and use --arch-hash') 136 if 'arch-hash' in self.argDB or 'package-prefix-hash' in self.argDB: 137 import hashlib 138 m = hashlib.md5() 139 m.update(hash) 140 hprefix = m.hexdigest() 141 if 'arch-hash' in self.argDB: 142 self.argDB['PETSC_ARCH'] = 'arch-'+hprefix[0:6] 143 self.arch = 'arch-'+hprefix[0:6] 144 else: 145 if not os.path.isdir(self.argDB['package-prefix-hash']): 146 raise RuntimeError('--package-prefix-hash '+self.argDB['package-prefix-hash']+' directory does not exist\n') 147 self.argDB['prefix'] = os.path.join(self.argDB['package-prefix-hash'],hprefix[0:6]) 148 if not os.path.isdir(self.argDB['prefix']): 149 os.mkdir(self.argDB['prefix']) 150 hashfilepackages = os.path.join(self.argDB['prefix'],'configure-hash') 151 else: 152 try: 153 with open(os.path.join(self.argDB['prefix'],'configure-hash'), 'r') as f: 154 a = f.read() 155 except: 156 self.logPrint('No previous hashfilepackages found') 157 a = '' 158 if a == hash: 159 self.logPrint('Reusing download packages in '+self.argDB['prefix']) 160 self.argDB['package-prefix-hash'] = 'reuse' # indicates prefix libraries already built, no need to rebuild 161 162 hashfile = os.path.join(self.arch,'lib','petsc','conf','configure-hash') 163 164 if self.argDB['force']: 165 self.logPrint('Forcing a new configuration requested by use') 166 self.makeDependency(hash,hashfile,None) 167 return 168 a = '' 169 try: 170 with open(hashfile, 'r') as f: 171 a = f.read() 172 except: 173 self.logPrint('No previous hashfile found') 174 self.makeDependency(hash,hashfile,hashfilepackages) 175 return 176 if a == hash: 177 try: 178 self.logPrint('Attempting to save lib/petsc/conf/petscvariables file') 179 with open(os.path.join('lib','petsc','conf','petscvariables'), 'w') as g: 180 g.write('PETSC_ARCH='+self.arch+'\n') 181 g.write('PETSC_DIR='+self.petscdir.dir+'\n') 182 g.write('include $(PETSC_DIR)/$(PETSC_ARCH)/lib/petsc/conf/petscvariables\n') 183 self.logPrint('Saved lib/petsc/conf/petscvariables file') 184 except: 185 self.logPrint('Unable to save lib/petsc/conf/petscvariables file') 186 self.logPrint('configure hash file: '+hashfile+' matches; no need to run configure.') 187 print('Your configure options and state has not changed; no need to run configure') 188 print('However you can force a configure run using the option: --force') 189 sys.exit() 190 self.logPrint('configure hash file: '+hashfile+' does not match\n'+a+'\n---\n'+hash+'\n need to run configure') 191 self.makeDependency(hash,hashfile,hashfilepackages) 192 193 def configure(self): 194 self.executeTest(self.setNativeArchitecture) 195 self.executeTest(self.configureArchitecture) 196 # required by top-level configure.py 197 self.framework.arch = self.arch 198 self.checkDependency() 199 return 200