Source code for scipion.install.funcs

# **************************************************************************
# *
# * Authors: J.M. De la Rosa Trevin ( [1]
# *
# * [1] SciLifeLab, Stockholm University
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# * This program is free software; you can redistribute it and/or modify
# * it under the terms of the GNU General Public License as published by
# * the Free Software Foundation; either version 3 of the License, or
# * (at your option) any later version.
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# * This program is distributed in the hope that it will be useful,
# * but WITHOUT ANY WARRANTY; without even the implied warranty of
# * GNU General Public License for more details.
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# * You should have received a copy of the GNU General Public License
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# * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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# *  All comments concerning this program package may be sent to the
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import os
import platform
import sys
import time
from glob import glob
from os.path import join, exists, islink, abspath
from subprocess import STDOUT, call

from pyworkflow import Config
import pwem

    unicode = unicode
except NameError:  # 'unicode' is undefined, must be Python 3
    unicode = str
    basestring = (str, bytes)

# Then we get some OS vars
MACOSX = (platform.system() == 'Darwin')
WINDOWS = (platform.system() == 'Windows')
LINUX = (platform.system() == 'Linux')
VOID_TGZ = "void.tgz"

[docs]def ansi(n): """Return function that escapes text with ANSI color n.""" return lambda txt: '\x1b[%dm%s\x1b[0m' % (n, txt)
black, red, green, yellow, blue, magenta, cyan, white = map(ansi, range(30, 38)) # We don't take them from pyworkflow.utils because this has to run # with all python versions (and so it is simplified).
[docs]def progInPath(prog): """ Is program prog in PATH? """ for base in os.environ.get('PATH', '').split(os.pathsep): if exists('%s/%s' % (base, prog)): return True return False
[docs]def checkLib(lib, target=None): """ See if we have library lib """ try: ret = call(['pkg-config', '--cflags', '--libs', lib], stdout=open(os.devnull, 'w'), stderr=STDOUT) if ret != 0: raise OSError except OSError: try: ret = call(['%s-config' % lib, '--cflags']) if ret != 0: raise OSError except OSError: print(""" ************************************************************************ Warning: %s not found. Please consider installing it first. ************************************************************************ Continue anyway? (y/n)""" % lib) if input().upper() != 'Y': sys.exit(2)
# TODO: maybe write the result of the check in # software/log/lib_...log so we don't check again if we already said "no"
[docs]class Command: def __init__(self, env, cmd, targets=None, **kwargs): self._env = env self._cmd = cmd if targets is None: self._targets = [] elif isinstance(targets, basestring): self._targets = [targets] else: self._targets = targets self._cwd = kwargs.get('cwd', None) self._out = kwargs.get('out', None) self._always = kwargs.get('always', False) self._environ = kwargs.get('environ', None) def _existsAll(self): """ Return True if all targets exist. """ for t in self._targets: if not glob(t): return False return True
[docs] def execute(self): if not self._always and self._targets and self._existsAll(): print(" Skipping command: %s" % cyan(self._cmd)) print(" All targets exist.") else: cwd = os.getcwd() if self._cwd is not None: if not self._env.showOnly: os.chdir(self._cwd) print(cyan("cd %s" % self._cwd)) # Actually allow self._cmd to be a list or a # '\n'-separated list of commands, and run them all. if isinstance(self._cmd, basestring): cmds = self._cmd.split('\n') # create list of commands elif callable(self._cmd): cmds = [self._cmd] # a function call else: cmds = self._cmd # already a list of whatever for cmd in cmds: if self._out is not None: cmd += ' > %s 2>&1' % self._out # TODO: more general, this only works for bash. print(cyan(cmd)) if self._env.showOnly: continue # we don't really execute the command here if callable(cmd): # cmd could be a function: call it cmd() else: # if not, it's a command: make a system call call(cmd, shell=True, env=self._environ, stdout=sys.stdout, stderr=sys.stderr) # Return to working directory, useful when we change dir # before executing the command. os.chdir(cwd) if not self._env.showOnly: for t in self._targets: assert glob(t), ("target '%s' not built (after " "running '%s')" % (t, cmd))
def __str__(self): return "Command: %s, targets: %s" % (self._cmd, self._targets)
[docs]class Target: def __init__(self, env, name, *commands, **kwargs): self._env = env self._name = name self._default = kwargs.get('default', False) self._always = kwargs.get('always', False) # Adding always here to allow getting to Commands where always=True self._commandList = list(commands) # copy the list/tuple of commands self._finalCommands = [] # their targets will be used to check if we need to re-build self._deps = [] # names of dependency targets
[docs] def getCommands(self): return self._commandList
[docs] def addCommand(self, cmd, **kwargs): if isinstance(cmd, Command): c = cmd else: c = Command(self._env, cmd, **kwargs) self._commandList.append(c) if kwargs.get('final', False): self._finalCommands.append(c) return c
[docs] def addDep(self, dep): self._deps.append(dep)
[docs] def getDeps(self): return self._deps
def _existsAll(self): for c in self._finalCommands: if not c._existsAll(): return False return True
[docs] def isDefault(self): return self._default
[docs] def setDefault(self, default): self._default = default
[docs] def getName(self): return self._name
[docs] def execute(self): t1 = time.time() print(green("Building %s ..." % self._name)) if not self._always and self._existsAll(): print(" All targets exist, skipping.") else: for command in self._commandList: command.execute() if not self._env.showOnly: dt = time.time() - t1 if dt < 60: print(green('Done (%.2f seconds)' % dt)) else: print(green('Done (%d m %02d s)' % (dt / 60, int(dt) % 60)))
def __str__(self): return self._name
[docs]class Environment: def __init__(self, **kwargs): self._targetDict = {} self._targetList = [] # We need a targetList which has the targetDict.keys() in order # (OrderedDict is not available in python < 2.7) self._packages = {} # dict of available packages (to show in --help) self._args = kwargs.get('args', []) self.showOnly = '--show' in self._args # Find if the -j arguments was passed to get the number of processors if '-j' in self._args: j = self._args.index('-j') self._processors = int(self._args[j + 1]) else: self._processors = 1 if LINUX: self._libSuffix = 'so' # Shared libraries extension name else: self._libSuffix = 'dylib' self._downloadCmd = ('wget -nv -c -O %(tar)s.part %(url)s\n' 'mv -v %(tar)s.part %(tar)s') # Removed the z: "The tar command auto-detects compression type and extracts the archive" # From self._tarCmd = 'tar -xf %s' self._pipCmd = kwargs.get('pipCmd', 'pip install %s==%s')
[docs] def getLibSuffix(self): return self._libSuffix
[docs] def getProcessors(self): return self._processors
[docs] @staticmethod def getSoftware(*paths): return os.path.join(Config.SCIPION_SOFTWARE, *paths)
[docs] @staticmethod def getLibFolder(*paths): return Environment.getSoftware("lib", *paths)
[docs] @staticmethod def getPython(): return sys.executable
# Pablo: A quick search didn't find usages. # @staticmethod # def getPythonFolder(): # return Environment.getLibFolder() + '/python2.7'
[docs] @staticmethod def getPythonPackagesFolder(): # This does not work on MAC virtual envs # import site # return site.getsitepackages()[0] from distutils.sysconfig import get_python_lib return get_python_lib()
[docs] @staticmethod def getIncludeFolder(): return Environment.getSoftware('include')
[docs] def getLib(self, name): return Environment.getLibFolder('lib%s.%s' % (name, self._libSuffix))
[docs] @staticmethod def getBinFolder(*paths): return os.path.join(mkdir(Environment.getSoftware('bin')), *paths)
[docs] @staticmethod def getBin(name): return Environment.getBinFolder(name)
[docs] @staticmethod def getTmpFolder(): return mkdir(Environment.getSoftware('tmp'))
[docs] @staticmethod def getLogFolder(*path): return os.path.join(mkdir(Environment.getSoftware('log')), *path)
[docs] @staticmethod def getEmFolder(): return mkdir(pwem.Config.EM_ROOT)
[docs] @staticmethod def getEm(name): return '%s/%s' % (Environment.getEmFolder(), name)
[docs] def getTargetList(self): return self._targetList
[docs] def addTarget(self, name, *commands, **kwargs): if name in self._targetDict: raise Exception("Duplicated target '%s'" % name) t = Target(self, name, *commands, **kwargs) self._targetList.append(t) self._targetDict[name] = t return t
[docs] def addTargetAlias(self, name, alias): """ Add an alias to an existing target. This function will be used for installing the last version of each package. """ if name not in self._targetDict: raise Exception("Can't add alias, target name '%s' not found. " % name) self._targetDict[alias] = self._targetDict[name]
[docs] def getTarget(self, name): return self._targetDict[name]
[docs] def hasTarget(self, name): return name in self._targetDict
[docs] def getTargets(self): return self._targetList
def _addTargetDeps(self, target, deps): """ Add the dependencies to target. Check that each dependency correspond to a previous target. """ for d in deps: if isinstance(d, str): targetName = d elif isinstance(d, Target): targetName = d.getName() else: raise Exception("Dependencies should be either string or " "Target, received: %s" % d) if targetName not in self._targetDict: raise Exception("Dependency '%s' does not exists. " % targetName) target.addDep(targetName) def _addDownloadUntar(self, name, **kwargs): """ Buid a basic target and add commands for Download and Untar. This is the base for addLibrary, addModule and addPackage. """ # Use reasonable defaults. tar = kwargs.get('tar', '%s.tgz' % name) urlSuffix = kwargs.get('urlSuffix', 'external') url = kwargs.get('url', '%s/%s/%s' % (Config.SCIPION_URL_SOFTWARE, urlSuffix, tar)) downloadDir = kwargs.get('downloadDir', self.getTmpFolder()) buildDir = kwargs.get('buildDir', tar.rsplit('.tar.gz', 1)[0].rsplit('.tgz', 1)[0]) targetDir = kwargs.get('targetDir', buildDir) createBuildDir = kwargs.get('createBuildDir', False) deps = kwargs.get('deps', []) # Download library tgz tarFile = join(downloadDir, tar) buildPath = join(downloadDir, buildDir) targetPath = join(downloadDir, targetDir) t = self.addTarget(name, default=kwargs.get('default', True)) self._addTargetDeps(t, deps) t.buildDir = buildDir t.buildPath = buildPath t.targetPath = targetPath # check if tar exists and has size >0 so that we can download again if os.path.isfile(tarFile) and os.path.getsize(tarFile) == 0: os.remove(tarFile) if url.startswith('file:'): t.addCommand('ln -s %s %s' % (url.replace('file:', ''), tar), targets=tarFile, cwd=downloadDir) else: t.addCommand(self._downloadCmd % {'tar': tarFile, 'url': url}, targets=tarFile) if createBuildDir: tarCmd = '{0} -C {1}'.format(self._tarCmd % tar, buildDir) t.addCommand('mkdir %s' % buildPath, targets=[buildPath], cwd=downloadDir) else: tarCmd = self._tarCmd % tar finalTarget = join(downloadDir, kwargs.get('target', buildDir)) t.addCommand(tarCmd, targets=finalTarget, cwd=downloadDir) return t
[docs] def addLibrary(self, name, **kwargs): """Add library <name> to the construction process. Checks that the needed programs are in PATH, needed libraries can be found, downloads the given url, untars the resulting tar file, configures the library with the given flags, compiles it (in the given buildDir) and installs it. If default=False, the library will not be built. Returns the final targets, the ones that Make will create. """ configTarget = kwargs.get('configTarget', 'Makefile') configAlways = kwargs.get('configAlways', False) flags = kwargs.get('flags', []) targets = kwargs.get('targets', [self.getLib(name)]) clean = kwargs.get('clean', False) # Execute make clean at the end?? cmake = kwargs.get('cmake', False) # Use cmake instead of configure?? default = kwargs.get('default', True) neededProgs = kwargs.get('neededProgs', []) libChecks = kwargs.get('libChecks', []) if default or name in sys.argv[2:]: # Check that we have the necessary programs and libraries in place. for prog in neededProgs: assert progInPath(prog), ("Cannot find necessary program: %s\n" "Please install and try again" % prog) for lib in libChecks: checkLib(lib) # If passing a command list (of tuples (command, target)) those actions # will be performed instead of the normal ./configure / cmake + make commands = kwargs.get('commands', []) t = self._addDownloadUntar(name, **kwargs) configDir = kwargs.get('configDir', t.buildDir) configPath = join(self.getTmpFolder(), configDir) makeFile = '%s/%s' % (configPath, configTarget) prefix = abspath(Environment.getSoftware()) # If we specified the commands to run to obtain the target, # that's the only thing we will do. if commands: for cmd, tgt in commands: t.addCommand(cmd, targets=tgt, final=True) # Note that we don't use cwd=t.buildDir, so paths are # relative to SCIPION_HOME. return t # If we didn't specify the commands, we can either compile # with autotools (so we have to run "configure") or cmake. environ = os.environ.copy() for envVar, value in [('CPPFLAGS', '-I%s/include' % prefix), ('LDFLAGS', '-L%s/lib' % prefix)]: environ[envVar] = '%s %s' % (value, os.environ.get(envVar, '')) if not cmake: flags.append('--prefix=%s' % prefix) flags.append('--libdir=%s/lib' % prefix) t.addCommand('./configure %s' % ' '.join(flags), targets=makeFile, cwd=configPath, out=self.getLogFolder('%s_configure.log' % name), always=configAlways, environ=environ) else: assert progInPath('cmake') or 'cmake' in sys.argv[2:], \ "Cannot run 'cmake'. Please install it in your system first." flags.append('-DCMAKE_INSTALL_PREFIX:PATH=%s .' % prefix) t.addCommand('cmake %s' % ' '.join(flags), targets=makeFile, cwd=configPath, out=self.getLogFolder('%s_cmake.log' % name), environ=environ) t.addCommand('make -j %d' % self._processors, cwd=t.buildPath, out=self.getLogFolder('%s_make.log' % name)) t.addCommand('make install', targets=targets, cwd=t.buildPath, out=self.getLogFolder('%s_make_install.log' % name), final=True) if clean: t.addCommand('make clean', cwd=t.buildPath, out=self.getLogFolder('%s_make_clean.log' % name)) t.addCommand('rm %s' % makeFile) return t
[docs] def addPipModule(self, name, version="", pipCmd=None, target=None, default=True, deps=[]): """Add a new module to our built Python . Params in kwargs: name: pip module name version: module version - must be specified to prevent undesired updates. default: True if this module is build by default. """ target = name if target is None else target pipCmd = pipCmd or self._pipCmd % (name, version) t = self.addTarget(name, default=default, always=True) # we set always=True to let pip decide if updating # Add the dependencies defaultDeps = [] self._addTargetDeps(t, defaultDeps + deps) t.addCommand(pipCmd, final=True, targets="%s/%s" % (self.getPythonPackagesFolder(), target), always=True # execute pip command always. Pip will handle target existence ) return t
[docs] def addPackage(self, name, **kwargs): """ Download a package tgz, untar it and create a link in software/em. Params in kwargs: tar: the package tar file, by default the name + .tgz. Pass None or VOID_TGZ if there is no tar file. commands: a list with actions to be executed to install the package """ # Add to the list of available packages, for reference (used in --help). neededProgs = kwargs.get('neededProgs', []) if name in sys.argv[2:]: # Check that we have the necessary programs in place. for prog in neededProgs: assert progInPath(prog), ("Cannot find necessary program: %s\n" "Please install and try again" % prog) if name not in self._packages: self._packages[name] = [] # Get the version from the kwargs if 'version' in kwargs: version = kwargs['version'] extName = self._getExtName(name, version) else: version = '' extName = name self._packages[name].append((name, version)) environ = (self.updateCudaEnviron(name) if kwargs.get('updateCuda', False) else None) # Set environment variables = kwargs.get('vars', {}) if variables: environ = {} if environ is None else environ environ.update(variables) # We reuse the download and untar from the addLibrary method # and pass the createLink as a new command tar = kwargs.get('tar', '%s.tgz' % extName) # If tar is None or void.tgz if tar is None or tar == VOID_TGZ: tar = VOID_TGZ kwargs["buildDir"] = extName kwargs["createBuildDir"] = True buildDir = kwargs.get('buildDir', tar.rsplit('.tar.gz', 1)[0].rsplit('.tgz', 1)[0]) targetDir = kwargs.get('targetDir', buildDir) libArgs = {'downloadDir': self.getEmFolder(), 'urlSuffix': 'em', 'default': False} # This will be updated with value in kwargs libArgs.update(kwargs) target = self._addDownloadUntar(extName, **libArgs) commands = kwargs.get('commands', []) for cmd, tgt in commands: if isinstance(tgt, basestring): tgt = [tgt] # Take all package targets relative to package build dir normTgt = [] for t in tgt: # Check for empty targets and warn about them if not t: print("WARNING: Target empty for command %s" % cmd) normTgt.append(join(target.targetPath, t)) target.addCommand(cmd, targets=normTgt, cwd=target.buildPath, final=True, environ=environ) target.addCommand(Command(self, Link(extName, targetDir), targets=[self.getEm(extName), self.getEm(targetDir)], cwd=self.getEm('')), final=True) # Create an alias with the name for that version # this imply that the last package version added will be # the one installed by default, so the last versions should # be the last ones to be inserted self.addTargetAlias(extName, name) return target
def _showTargetGraph(self, targetList): """ Traverse the targets taking into account their dependencies and print them in DOT format. """ print('digraph libraries {') for tgt in targetList: deps = tgt.getDeps() if deps: print('\n'.join(" %s -> %s" % (tgt, x) for x in deps)) else: print(" %s" % tgt) print('}') def _showTargetTree(self, targetList, maxLevel=-1): """ Print the tree of dependencies for the given targets, up to a depth level of maxLevel (-1 for unlimited). """ # List of (indent level, target) nodes = [(0, tgt) for tgt in targetList[::-1]] while nodes: lvl, tgt = nodes.pop() print("%s- %s" % (" " * lvl, tgt)) if maxLevel != -1 and lvl >= maxLevel: continue nodes.extend((lvl + 1, self._targetDict[x]) for x in tgt.getDeps()) def _executeTargets(self, targetList): """ Execute the targets in targetList, running all their dependencies first. """ executed = set() # targets already executed exploring = set() # targets whose dependencies we are exploring targets = targetList[::-1] while targets: tgt = targets.pop() if tgt.getName() in executed: continue deps = tgt.getDeps() if set(deps) - executed: # there are dependencies not yet executed if tgt.getName() in exploring: raise RuntimeError("Cyclic dependency on %s" % tgt) exploring.add(tgt.getName()) targets.append(tgt) targets.extend(self._targetDict[x] for x in deps) else: tgt.execute() executed.add(tgt.getName()) exploring.discard(tgt.getName()) @staticmethod def _getExtName(name, version): """ Return folder name for a given package-version """ return '%s-%s' % (name, version) def _isInstalled(self, name, version): """ Return true if the package-version seems to be installed. """ pydir = self.getPythonPackagesFolder() extName = self._getExtName(name, version) return (exists(join(self.getEmFolder(), extName)) or extName in [x[:len(extName)] for x in os.listdir(pydir)])
[docs] def printHelp(self): printStr = "" if self._packages: printStr = ("Available binaries: " "([ ] not installed, [X] seems already installed)\n\n") keys = sorted(self._packages.keys()) for k in keys: pVersions = self._packages[k] printStr += "{0:25}".format(k) for name, version in pVersions: installed = self._isInstalled(name, version) printStr += '{0:8}[{1}]{2:5}'.format(version, 'X' if installed else ' ', ' ') printStr += '\n' return printStr
[docs] def execute(self): if '--help' in self._args: print(self.printHelp()) return # Check if there are explicit targets and only install # the selected ones, ignore starting with 'xmipp' cmdTargets = [a for a in self._args if a[0].isalpha()] if cmdTargets: # Check that they are all command targets for t in cmdTargets: if t not in self._targetDict: raise RuntimeError("Unknown target: %s" % t) # Grab the targets passed in the command line targetList = [self._targetDict[t] for t in cmdTargets] else: # use all targets marked as default targetList = [t for t in self._targetList if t.isDefault()] if '--show-tree' in self._args: if '--dot' in self._args: self._showTargetGraph(targetList) else: self._showTargetTree(targetList) else: self._executeTargets(targetList)
[docs] def updateCudaEnviron(self, package): """ Update the environment adding CUDA_LIB and/or CUDA_BIN to support packages that uses CUDA. package: package that needs CUDA to compile. """ packUpper = package.upper() cudaLib = os.environ.get(packUpper + '_CUDA_LIB') cudaBin = os.environ.get(packUpper + '_CUDA_BIN') if cudaLib is None: cudaLib = pwem.Config.CUDA_LIB cudaBin = pwem.Config.CUDA_BIN environ = os.environ.copy() # If there isn't any CUDA in the environment if cudaLib is None and cudaBin is None: # Exit not update the environment return environ elif cudaLib is not None and cudaBin is None: raise Exception("CUDA_LIB (or %s_CUDA_LIB) is defined, but not " "CUDA_BIN (or %s_CUDA_BIN), please execute " "scipion config --update" % (packUpper, packUpper)) elif cudaBin is not None and cudaLib is None: raise Exception("CUDA_BIN (or %s_CUDA_BIN) is defined, but not " "CUDA_LIB (or %s_CUDA_LIB), please execute " "scipion config --update" % (packUpper, packUpper)) elif os.path.exists(cudaLib) and os.path.exists(cudaBin): environ.update({'LD_LIBRARY_PATH': cudaLib + ":" + environ['LD_LIBRARY_PATH']}) environ.update({'PATH': cudaBin + ":" + environ['PATH']}) return environ
[docs] def setDefault(self, default): """Set default values of all packages to the passed parameter""" for t in self._targetList: t.setDefault(default)
[docs] def getPackages(self): """Return all plugin packages""" return self._packages
[docs] def hasPackage(self, name): """ Returns true if it has the package""" return name in self._packages
[docs] def getPackage(self, name): return self._packages.get(name, None)
[docs]def mkdir(path): """ Creates a folder if it does not exists""" if not exists(path): os.makedirs(path) return path