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Diffstat (limited to 'Lib/setuptools/command/easy_install.py')
| -rwxr-xr-x | Lib/setuptools/command/easy_install.py | 1555 |
1 files changed, 1555 insertions, 0 deletions
diff --git a/Lib/setuptools/command/easy_install.py b/Lib/setuptools/command/easy_install.py new file mode 100755 index 0000000..3ddcec4 --- /dev/null +++ b/Lib/setuptools/command/easy_install.py @@ -0,0 +1,1555 @@ +#!python +"""\ +Easy Install +------------ + +A tool for doing automatic download/extract/build of distutils-based Python +packages. For detailed documentation, see the accompanying EasyInstall.txt +file, or visit the `EasyInstall home page`__. + +__ http://peak.telecommunity.com/DevCenter/EasyInstall +""" +import sys, os.path, zipimport, shutil, tempfile, zipfile, re, stat, random +from glob import glob +from setuptools import Command +from setuptools.sandbox import run_setup +from distutils import log, dir_util +from distutils.sysconfig import get_python_lib +from distutils.errors import DistutilsArgError, DistutilsOptionError, \ + DistutilsError +from setuptools.archive_util import unpack_archive +from setuptools.package_index import PackageIndex, parse_bdist_wininst +from setuptools.package_index import URL_SCHEME +from setuptools.command import bdist_egg, egg_info +from pkg_resources import * +sys_executable = os.path.normpath(sys.executable) + +__all__ = [ + 'samefile', 'easy_install', 'PthDistributions', 'extract_wininst_cfg', + 'main', 'get_exe_prefixes', +] + +def samefile(p1,p2): + if hasattr(os.path,'samefile') and ( + os.path.exists(p1) and os.path.exists(p2) + ): + return os.path.samefile(p1,p2) + return ( + os.path.normpath(os.path.normcase(p1)) == + os.path.normpath(os.path.normcase(p2)) + ) + +class easy_install(Command): + """Manage a download/build/install process""" + description = "Find/get/install Python packages" + command_consumes_arguments = True + + user_options = [ + ('prefix=', None, "installation prefix"), + ("zip-ok", "z", "install package as a zipfile"), + ("multi-version", "m", "make apps have to require() a version"), + ("upgrade", "U", "force upgrade (searches PyPI for latest versions)"), + ("install-dir=", "d", "install package to DIR"), + ("script-dir=", "s", "install scripts to DIR"), + ("exclude-scripts", "x", "Don't install scripts"), + ("always-copy", "a", "Copy all needed packages to install dir"), + ("index-url=", "i", "base URL of Python Package Index"), + ("find-links=", "f", "additional URL(s) to search for packages"), + ("delete-conflicting", "D", "no longer needed; don't use this"), + ("ignore-conflicts-at-my-risk", None, + "no longer needed; don't use this"), + ("build-directory=", "b", + "download/extract/build in DIR; keep the results"), + ('optimize=', 'O', + "also compile with optimization: -O1 for \"python -O\", " + "-O2 for \"python -OO\", and -O0 to disable [default: -O0]"), + ('record=', None, + "filename in which to record list of installed files"), + ('always-unzip', 'Z', "don't install as a zipfile, no matter what"), + ('site-dirs=','S',"list of directories where .pth files work"), + ('editable', 'e', "Install specified packages in editable form"), + ('no-deps', 'N', "don't install dependencies"), + ('allow-hosts=', 'H', "pattern(s) that hostnames must match"), + ] + boolean_options = [ + 'zip-ok', 'multi-version', 'exclude-scripts', 'upgrade', 'always-copy', + 'delete-conflicting', 'ignore-conflicts-at-my-risk', 'editable', + 'no-deps', + ] + negative_opt = {'always-unzip': 'zip-ok'} + create_index = PackageIndex + + + def initialize_options(self): + self.zip_ok = None + self.install_dir = self.script_dir = self.exclude_scripts = None + self.index_url = None + self.find_links = None + self.build_directory = None + self.args = None + self.optimize = self.record = None + self.upgrade = self.always_copy = self.multi_version = None + self.editable = self.no_deps = self.allow_hosts = None + self.root = self.prefix = self.no_report = None + + # Options not specifiable via command line + self.package_index = None + self.pth_file = None + self.delete_conflicting = None + self.ignore_conflicts_at_my_risk = None + self.site_dirs = None + self.installed_projects = {} + self.sitepy_installed = False + # Always read easy_install options, even if we are subclassed, or have + # an independent instance created. This ensures that defaults will + # always come from the standard configuration file(s)' "easy_install" + # section, even if this is a "develop" or "install" command, or some + # other embedding. + self._dry_run = None + self.verbose = self.distribution.verbose + self.distribution._set_command_options( + self, self.distribution.get_option_dict('easy_install') + ) + + def delete_blockers(self, blockers): + for filename in blockers: + if os.path.exists(filename) or os.path.islink(filename): + log.info("Deleting %s", filename) + if not self.dry_run: + if os.path.isdir(filename) and not os.path.islink(filename): + rmtree(filename) + else: + os.unlink(filename) + + def finalize_options(self): + self._expand('install_dir','script_dir','build_directory','site_dirs') + # If a non-default installation directory was specified, default the + # script directory to match it. + if self.script_dir is None: + self.script_dir = self.install_dir + + # Let install_dir get set by install_lib command, which in turn + # gets its info from the install command, and takes into account + # --prefix and --home and all that other crud. + self.set_undefined_options('install_lib', + ('install_dir','install_dir') + ) + # Likewise, set default script_dir from 'install_scripts.install_dir' + self.set_undefined_options('install_scripts', + ('install_dir', 'script_dir') + ) + # default --record from the install command + self.set_undefined_options('install', ('record', 'record')) + normpath = map(normalize_path, sys.path) + self.all_site_dirs = get_site_dirs() + if self.site_dirs is not None: + site_dirs = [ + os.path.expanduser(s.strip()) for s in self.site_dirs.split(',') + ] + for d in site_dirs: + if not os.path.isdir(d): + log.warn("%s (in --site-dirs) does not exist", d) + elif normalize_path(d) not in normpath: + raise DistutilsOptionError( + d+" (in --site-dirs) is not on sys.path" + ) + else: + self.all_site_dirs.append(normalize_path(d)) + self.check_site_dir() + self.index_url = self.index_url or "http://www.python.org/pypi" + self.shadow_path = self.all_site_dirs[:] + for path_item in self.install_dir, normalize_path(self.script_dir): + if path_item not in self.shadow_path: + self.shadow_path.insert(0, path_item) + + if self.allow_hosts is not None: + hosts = [s.strip() for s in self.allow_hosts.split(',')] + else: + hosts = ['*'] + + if self.package_index is None: + self.package_index = self.create_index( + self.index_url, search_path = self.shadow_path, hosts=hosts + ) + self.local_index = Environment(self.shadow_path) + + if self.find_links is not None: + if isinstance(self.find_links, basestring): + self.find_links = self.find_links.split() + else: + self.find_links = [] + + self.package_index.add_find_links(self.find_links) + self.set_undefined_options('install_lib', ('optimize','optimize')) + if not isinstance(self.optimize,int): + try: + self.optimize = int(self.optimize) + if not (0 <= self.optimize <= 2): raise ValueError + except ValueError: + raise DistutilsOptionError("--optimize must be 0, 1, or 2") + + if self.delete_conflicting and self.ignore_conflicts_at_my_risk: + raise DistutilsOptionError( + "Can't use both --delete-conflicting and " + "--ignore-conflicts-at-my-risk at the same time" + ) + if self.editable and not self.build_directory: + raise DistutilsArgError( + "Must specify a build directory (-b) when using --editable" + ) + if not self.args: + raise DistutilsArgError( + "No urls, filenames, or requirements specified (see --help)") + + self.outputs = [] + + def run(self): + if self.verbose<>self.distribution.verbose: + log.set_verbosity(self.verbose) + try: + for spec in self.args: + self.easy_install(spec, not self.no_deps) + if self.record: + outputs = self.outputs + if self.root: # strip any package prefix + root_len = len(self.root) + for counter in xrange(len(outputs)): + outputs[counter] = outputs[counter][root_len:] + from distutils import file_util + self.execute( + file_util.write_file, (self.record, outputs), + "writing list of installed files to '%s'" % + self.record + ) + self.warn_deprecated_options() + finally: + log.set_verbosity(self.distribution.verbose) + + def pseudo_tempname(self): + """Return a pseudo-tempname base in the install directory. + This code is intentionally naive; if a malicious party can write to + the target directory you're already in deep doodoo. + """ + try: + pid = os.getpid() + except: + pid = random.randint(0,sys.maxint) + return os.path.join(self.install_dir, "test-easy-install-%s" % pid) + + def warn_deprecated_options(self): + if self.delete_conflicting or self.ignore_conflicts_at_my_risk: + log.warn( + "Note: The -D, --delete-conflicting and" + " --ignore-conflicts-at-my-risk no longer have any purpose" + " and should not be used." + ) + + def check_site_dir(self): + """Verify that self.install_dir is .pth-capable dir, if needed""" + + instdir = normalize_path(self.install_dir) + pth_file = os.path.join(instdir,'easy-install.pth') + + # Is it a configured, PYTHONPATH, implicit, or explicit site dir? + is_site_dir = instdir in self.all_site_dirs + + if not is_site_dir: + # No? Then directly test whether it does .pth file processing + is_site_dir = self.check_pth_processing() + else: + # make sure we can write to target dir + testfile = self.pseudo_tempname()+'.write-test' + test_exists = os.path.exists(testfile) + try: + if test_exists: os.unlink(testfile) + open(testfile,'w').close() + os.unlink(testfile) + except (OSError,IOError): + self.cant_write_to_target() + + if not is_site_dir and not self.multi_version: + # Can't install non-multi to non-site dir + raise DistutilsError(self.no_default_version_msg()) + + if is_site_dir: + if self.pth_file is None: + self.pth_file = PthDistributions(pth_file) + else: + self.pth_file = None + + PYTHONPATH = os.environ.get('PYTHONPATH','').split(os.pathsep) + if instdir not in map(normalize_path, filter(None,PYTHONPATH)): + # only PYTHONPATH dirs need a site.py, so pretend it's there + self.sitepy_installed = True + + self.install_dir = instdir + + + def cant_write_to_target(self): + msg = """can't create or remove files in install directory + +The following error occurred while trying to add or remove files in the +installation directory: + + %s + +The installation directory you specified (via --install-dir, --prefix, or +the distutils default setting) was: + + %s +""" % (sys.exc_info()[1], self.install_dir,) + + if not os.path.exists(self.install_dir): + msg += """ +This directory does not currently exist. Please create it and try again, or +choose a different installation directory (using the -d or --install-dir +option). +""" + else: + msg += """ +Perhaps your account does not have write access to this directory? If the +installation directory is a system-owned directory, you may need to sign in +as the administrator or "root" account. If you do not have administrative +access to this machine, you may wish to choose a different installation +directory, preferably one that is listed in your PYTHONPATH environment +variable. + +For information on other options, you may wish to consult the +documentation at: + + http://peak.telecommunity.com/EasyInstall.html + +Please make the appropriate changes for your system and try again. +""" + raise DistutilsError(msg) + + + + + def check_pth_processing(self): + """Empirically verify whether .pth files are supported in inst. dir""" + instdir = self.install_dir + log.info("Checking .pth file support in %s", instdir) + pth_file = self.pseudo_tempname()+".pth" + ok_file = pth_file+'.ok' + ok_exists = os.path.exists(ok_file) + try: + if ok_exists: os.unlink(ok_file) + f = open(pth_file,'w') + except (OSError,IOError): + self.cant_write_to_target() + else: + try: + f.write("import os;open(%r,'w').write('OK')\n" % (ok_file,)) + f.close(); f=None + executable = sys.executable + if os.name=='nt': + dirname,basename = os.path.split(executable) + alt = os.path.join(dirname,'pythonw.exe') + if basename.lower()=='python.exe' and os.path.exists(alt): + # use pythonw.exe to avoid opening a console window + executable = alt + if ' ' in executable: executable='"%s"' % executable + from distutils.spawn import spawn + spawn([executable,'-E','-c','pass'],0) + + if os.path.exists(ok_file): + log.info( + "TEST PASSED: %s appears to support .pth files", + instdir + ) + return True + finally: + if f: f.close() + if os.path.exists(ok_file): os.unlink(ok_file) + if os.path.exists(pth_file): os.unlink(pth_file) + if not self.multi_version: + log.warn("TEST FAILED: %s does NOT support .pth files", instdir) + return False + + def install_egg_scripts(self, dist): + """Write all the scripts for `dist`, unless scripts are excluded""" + + self.install_wrapper_scripts(dist) + if self.exclude_scripts or not dist.metadata_isdir('scripts'): + return + + for script_name in dist.metadata_listdir('scripts'): + self.install_script( + dist, script_name, + dist.get_metadata('scripts/'+script_name).replace('\r','\n') + ) + + def add_output(self, path): + if os.path.isdir(path): + for base, dirs, files in os.walk(path): + for filename in files: + self.outputs.append(os.path.join(base,filename)) + else: + self.outputs.append(path) + + def not_editable(self, spec): + if self.editable: + raise DistutilsArgError( + "Invalid argument %r: you can't use filenames or URLs " + "with --editable (except via the --find-links option)." + % (spec,) + ) + + def check_editable(self,spec): + if not self.editable: + return + + if os.path.exists(os.path.join(self.build_directory, spec.key)): + raise DistutilsArgError( + "%r already exists in %s; can't do a checkout there" % + (spec.key, self.build_directory) + ) + + + + def easy_install(self, spec, deps=False): + tmpdir = tempfile.mkdtemp(prefix="easy_install-") + download = None + self.install_site_py() + + try: + if not isinstance(spec,Requirement): + if URL_SCHEME(spec): + # It's a url, download it to tmpdir and process + self.not_editable(spec) + download = self.package_index.download(spec, tmpdir) + return self.install_item(None, download, tmpdir, deps, True) + + elif os.path.exists(spec): + # Existing file or directory, just process it directly + self.not_editable(spec) + return self.install_item(None, spec, tmpdir, deps, True) + else: + spec = parse_requirement_arg(spec) + + self.check_editable(spec) + dist = self.package_index.fetch_distribution( + spec, tmpdir, self.upgrade, self.editable, not self.always_copy + ) + + if dist is None: + msg = "Could not find suitable distribution for %r" % spec + if self.always_copy: + msg+=" (--always-copy skips system and development eggs)" + raise DistutilsError(msg) + elif dist.precedence==DEVELOP_DIST: + # .egg-info dists don't need installing, just process deps + self.process_distribution(spec, dist, deps, "Using") + return dist + else: + return self.install_item(spec, dist.location, tmpdir, deps) + + finally: + if os.path.exists(tmpdir): + rmtree(tmpdir) + + def install_item(self, spec, download, tmpdir, deps, install_needed=False): + + # Installation is also needed if file in tmpdir or is not an egg + install_needed = install_needed or os.path.dirname(download) == tmpdir + install_needed = install_needed or not download.endswith('.egg') + + log.info("Processing %s", os.path.basename(download)) + + if install_needed or self.always_copy: + dists = self.install_eggs(spec, download, tmpdir) + for dist in dists: + self.process_distribution(spec, dist, deps) + else: + dists = [self.check_conflicts(self.egg_distribution(download))] + self.process_distribution(spec, dists[0], deps, "Using") + + if spec is not None: + for dist in dists: + if dist in spec: + return dist + + + + + + + + + + + + + + + + + + + + + + def process_distribution(self, requirement, dist, deps=True, *info): + self.update_pth(dist) + self.package_index.add(dist) + self.local_index.add(dist) + self.install_egg_scripts(dist) + self.installed_projects[dist.key] = dist + log.warn(self.installation_report(requirement, dist, *info)) + if not deps and not self.always_copy: + return + elif requirement is not None and dist.key != requirement.key: + log.warn("Skipping dependencies for %s", dist) + return # XXX this is not the distribution we were looking for + elif requirement is None or dist not in requirement: + # if we wound up with a different version, resolve what we've got + distreq = dist.as_requirement() + requirement = requirement or distreq + requirement = Requirement( + distreq.project_name, distreq.specs, requirement.extras + ) + if dist.has_metadata('dependency_links.txt'): + self.package_index.add_find_links( + dist.get_metadata_lines('dependency_links.txt') + ) + log.info("Processing dependencies for %s", requirement) + try: + distros = WorkingSet([]).resolve( + [requirement], self.local_index, self.easy_install + ) + except DistributionNotFound, e: + raise DistutilsError( + "Could not find required distribution %s" % e.args + ) + except VersionConflict, e: + raise DistutilsError( + "Installed distribution %s conflicts with requirement %s" + % e.args + ) + if self.always_copy: + # Force all the relevant distros to be copied or activated + for dist in distros: + if dist.key not in self.installed_projects: + self.easy_install(dist.as_requirement()) + + def should_unzip(self, dist): + if self.zip_ok is not None: + return not self.zip_ok + if dist.has_metadata('not-zip-safe'): + return True + if not dist.has_metadata('zip-safe'): + return True + return False + + def maybe_move(self, spec, dist_filename, setup_base): + dst = os.path.join(self.build_directory, spec.key) + if os.path.exists(dst): + log.warn( + "%r already exists in %s; build directory %s will not be kept", + spec.key, self.build_directory, setup_base + ) + return setup_base + if os.path.isdir(dist_filename): + setup_base = dist_filename + else: + if os.path.dirname(dist_filename)==setup_base: + os.unlink(dist_filename) # get it out of the tmp dir + contents = os.listdir(setup_base) + if len(contents)==1: + dist_filename = os.path.join(setup_base,contents[0]) + if os.path.isdir(dist_filename): + # if the only thing there is a directory, move it instead + setup_base = dist_filename + ensure_directory(dst); shutil.move(setup_base, dst) + return dst + + def install_wrapper_scripts(self, dist): + if not self.exclude_scripts: + for args in get_script_args(dist): + self.write_script(*args) + + + + + + + def install_script(self, dist, script_name, script_text, dev_path=None): + """Generate a legacy script wrapper and install it""" + spec = str(dist.as_requirement()) + + if dev_path: + script_text = get_script_header(script_text) + ( + "# EASY-INSTALL-DEV-SCRIPT: %(spec)r,%(script_name)r\n" + "__requires__ = %(spec)r\n" + "from pkg_resources import require; require(%(spec)r)\n" + "del require\n" + "__file__ = %(dev_path)r\n" + "execfile(__file__)\n" + ) % locals() + else: + script_text = get_script_header(script_text) + ( + "# EASY-INSTALL-SCRIPT: %(spec)r,%(script_name)r\n" + "__requires__ = %(spec)r\n" + "import pkg_resources\n" + "pkg_resources.run_script(%(spec)r, %(script_name)r)\n" + ) % locals() + + self.write_script(script_name, script_text) + + def write_script(self, script_name, contents, mode="t", blockers=()): + """Write an executable file to the scripts directory""" + self.delete_blockers( # clean up old .py/.pyw w/o a script + [os.path.join(self.script_dir,x) for x in blockers]) + log.info("Installing %s script to %s", script_name, self.script_dir) + target = os.path.join(self.script_dir, script_name) + self.add_output(target) + + if not self.dry_run: + ensure_directory(target) + f = open(target,"w"+mode) + f.write(contents) + f.close() + try: + os.chmod(target,0755) + except (AttributeError, os.error): + pass + + def install_eggs(self, spec, dist_filename, tmpdir): + # .egg dirs or files are already built, so just return them + if dist_filename.lower().endswith('.egg'): + return [self.install_egg(dist_filename, tmpdir)] + elif dist_filename.lower().endswith('.exe'): + return [self.install_exe(dist_filename, tmpdir)] + + # Anything else, try to extract and build + setup_base = tmpdir + if os.path.isfile(dist_filename) and not dist_filename.endswith('.py'): + unpack_archive(dist_filename, tmpdir, self.unpack_progress) + elif os.path.isdir(dist_filename): + setup_base = os.path.abspath(dist_filename) + + if (setup_base.startswith(tmpdir) # something we downloaded + and self.build_directory and spec is not None + ): + setup_base = self.maybe_move(spec, dist_filename, setup_base) + + # Find the setup.py file + setup_script = os.path.join(setup_base, 'setup.py') + + if not os.path.exists(setup_script): + setups = glob(os.path.join(setup_base, '*', 'setup.py')) + if not setups: + raise DistutilsError( + "Couldn't find a setup script in %s" % dist_filename + ) + if len(setups)>1: + raise DistutilsError( + "Multiple setup scripts in %s" % dist_filename + ) + setup_script = setups[0] + + # Now run it, and return the result + if self.editable: + log.warn(self.report_editable(spec, setup_script)) + return [] + else: + return self.build_and_install(setup_script, setup_base) + + def egg_distribution(self, egg_path): + if os.path.isdir(egg_path): + metadata = PathMetadata(egg_path,os.path.join(egg_path,'EGG-INFO')) + else: + metadata = EggMetadata(zipimport.zipimporter(egg_path)) + return Distribution.from_filename(egg_path,metadata=metadata) + + def install_egg(self, egg_path, tmpdir): + destination = os.path.join(self.install_dir,os.path.basename(egg_path)) + destination = os.path.abspath(destination) + if not self.dry_run: + ensure_directory(destination) + + dist = self.egg_distribution(egg_path) + self.check_conflicts(dist) + if not samefile(egg_path, destination): + if os.path.isdir(destination) and not os.path.islink(destination): + dir_util.remove_tree(destination, dry_run=self.dry_run) + elif os.path.exists(destination): + self.execute(os.unlink,(destination,),"Removing "+destination) + uncache_zipdir(destination) + if os.path.isdir(egg_path): + if egg_path.startswith(tmpdir): + f,m = shutil.move, "Moving" + else: + f,m = shutil.copytree, "Copying" + elif self.should_unzip(dist): + self.mkpath(destination) + f,m = self.unpack_and_compile, "Extracting" + elif egg_path.startswith(tmpdir): + f,m = shutil.move, "Moving" + else: + f,m = shutil.copy2, "Copying" + + self.execute(f, (egg_path, destination), + (m+" %s to %s") % + (os.path.basename(egg_path),os.path.dirname(destination))) + + self.add_output(destination) + return self.egg_distribution(destination) + + def install_exe(self, dist_filename, tmpdir): + # See if it's valid, get data + cfg = extract_wininst_cfg(dist_filename) + if cfg is None: + raise DistutilsError( + "%s is not a valid distutils Windows .exe" % dist_filename + ) + # Create a dummy distribution object until we build the real distro + dist = Distribution(None, + project_name=cfg.get('metadata','name'), + version=cfg.get('metadata','version'), platform="win32" + ) + + # Convert the .exe to an unpacked egg + egg_path = dist.location = os.path.join(tmpdir, dist.egg_name()+'.egg') + egg_tmp = egg_path+'.tmp' + egg_info = os.path.join(egg_tmp, 'EGG-INFO') + pkg_inf = os.path.join(egg_info, 'PKG-INFO') + ensure_directory(pkg_inf) # make sure EGG-INFO dir exists + dist._provider = PathMetadata(egg_tmp, egg_info) # XXX + self.exe_to_egg(dist_filename, egg_tmp) + + # Write EGG-INFO/PKG-INFO + if not os.path.exists(pkg_inf): + f = open(pkg_inf,'w') + f.write('Metadata-Version: 1.0\n') + for k,v in cfg.items('metadata'): + if k<>'target_version': + f.write('%s: %s\n' % (k.replace('_','-').title(), v)) + f.close() + script_dir = os.path.join(egg_info,'scripts') + self.delete_blockers( # delete entry-point scripts to avoid duping + [os.path.join(script_dir,args[0]) for args in get_script_args(dist)] + ) + # Build .egg file from tmpdir + bdist_egg.make_zipfile( + egg_path, egg_tmp, verbose=self.verbose, dry_run=self.dry_run + ) + # install the .egg + return self.install_egg(egg_path, tmpdir) + + def exe_to_egg(self, dist_filename, egg_tmp): + """Extract a bdist_wininst to the directories an egg would use""" + # Check for .pth file and set up prefix translations + prefixes = get_exe_prefixes(dist_filename) + to_compile = [] + native_libs = [] + top_level = {} + + def process(src,dst): + for old,new in prefixes: + if src.startswith(old): + src = new+src[len(old):] + parts = src.split('/') + dst = os.path.join(egg_tmp, *parts) + dl = dst.lower() + if dl.endswith('.pyd') or dl.endswith('.dll'): + top_level[os.path.splitext(parts[0])[0]] = 1 + native_libs.append(src) + elif dl.endswith('.py') and old!='SCRIPTS/': + top_level[os.path.splitext(parts[0])[0]] = 1 + to_compile.append(dst) + return dst + if not src.endswith('.pth'): + log.warn("WARNING: can't process %s", src) + return None + + # extract, tracking .pyd/.dll->native_libs and .py -> to_compile + unpack_archive(dist_filename, egg_tmp, process) + stubs = [] + for res in native_libs: + if res.lower().endswith('.pyd'): # create stubs for .pyd's + parts = res.split('/') + resource, parts[-1] = parts[-1], parts[-1][:-1] + pyfile = os.path.join(egg_tmp, *parts) + to_compile.append(pyfile); stubs.append(pyfile) + bdist_egg.write_stub(resource, pyfile) + + self.byte_compile(to_compile) # compile .py's + bdist_egg.write_safety_flag(os.path.join(egg_tmp,'EGG-INFO'), + bdist_egg.analyze_egg(egg_tmp, stubs)) # write zip-safety flag + + for name in 'top_level','native_libs': + if locals()[name]: + txt = os.path.join(egg_tmp, 'EGG-INFO', name+'.txt') + if not os.path.exists(txt): + open(txt,'w').write('\n'.join(locals()[name])+'\n') + + def check_conflicts(self, dist): + """Verify that there are no conflicting "old-style" packages""" + + return dist # XXX temporarily disable until new strategy is stable + from imp import find_module, get_suffixes + from glob import glob + + blockers = [] + names = dict.fromkeys(dist._get_metadata('top_level.txt')) # XXX private attr + + exts = {'.pyc':1, '.pyo':1} # get_suffixes() might leave one out + for ext,mode,typ in get_suffixes(): + exts[ext] = 1 + + for path,files in expand_paths([self.install_dir]+self.all_site_dirs): + for filename in files: + base,ext = os.path.splitext(filename) + if base in names: + if not ext: + # no extension, check for package + try: + f, filename, descr = find_module(base, [path]) + except ImportError: + continue + else: + if f: f.close() + if filename not in blockers: + blockers.append(filename) + elif ext in exts and base!='site': # XXX ugh + blockers.append(os.path.join(path,filename)) + if blockers: + self.found_conflicts(dist, blockers) + + return dist + + def found_conflicts(self, dist, blockers): + if self.delete_conflicting: + log.warn("Attempting to delete conflicting packages:") + return self.delete_blockers(blockers) + + msg = """\ +------------------------------------------------------------------------- +CONFLICT WARNING: + +The following modules or packages have the same names as modules or +packages being installed, and will be *before* the installed packages in +Python's search path. You MUST remove all of the relevant files and +directories before you will be able to use the package(s) you are +installing: + + %s + +""" % '\n '.join(blockers) + + if self.ignore_conflicts_at_my_risk: + msg += """\ +(Note: you can run EasyInstall on '%s' with the +--delete-conflicting option to attempt deletion of the above files +and/or directories.) +""" % dist.project_name + else: + msg += """\ +Note: you can attempt this installation again with EasyInstall, and use +either the --delete-conflicting (-D) option or the +--ignore-conflicts-at-my-risk option, to either delete the above files +and directories, or to ignore the conflicts, respectively. Note that if +you ignore the conflicts, the installed package(s) may not work. +""" + msg += """\ +------------------------------------------------------------------------- +""" + sys.stderr.write(msg) + sys.stderr.flush() + if not self.ignore_conflicts_at_my_risk: + raise DistutilsError("Installation aborted due to conflicts") + + def installation_report(self, req, dist, what="Installed"): + """Helpful installation message for display to package users""" + msg = "\n%(what)s %(eggloc)s%(extras)s" + if self.multi_version and not self.no_report: + msg += """ + +Because this distribution was installed --multi-version or --install-dir, +before you can import modules from this package in an application, you +will need to 'import pkg_resources' and then use a 'require()' call +similar to one of these examples, in order to select the desired version: + + pkg_resources.require("%(name)s") # latest installed version + pkg_resources.require("%(name)s==%(version)s") # this exact version + pkg_resources.require("%(name)s>=%(version)s") # this version or higher +""" + if self.install_dir not in map(normalize_path,sys.path): + msg += """ + +Note also that the installation directory must be on sys.path at runtime for +this to work. (e.g. by being the application's script directory, by being on +PYTHONPATH, or by being added to sys.path by your code.) +""" + eggloc = dist.location + name = dist.project_name + version = dist.version + extras = '' # TODO: self.report_extras(req, dist) + return msg % locals() + + def report_editable(self, spec, setup_script): + dirname = os.path.dirname(setup_script) + python = sys.executable + return """\nExtracted editable version of %(spec)s to %(dirname)s + +If it uses setuptools in its setup script, you can activate it in +"development" mode by going to that directory and running:: + + %(python)s setup.py develop + +See the setuptools documentation for the "develop" command for more info. +""" % locals() + + def run_setup(self, setup_script, setup_base, args): + sys.modules.setdefault('distutils.command.bdist_egg', bdist_egg) + sys.modules.setdefault('distutils.command.egg_info', egg_info) + + args = list(args) + if self.verbose>2: + v = 'v' * (self.verbose - 1) + args.insert(0,'-'+v) + elif self.verbose<2: + args.insert(0,'-q') + if self.dry_run: + args.insert(0,'-n') + log.info( + "Running %s %s", setup_script[len(setup_base)+1:], ' '.join(args) + ) + try: + run_setup(setup_script, args) + except SystemExit, v: + raise DistutilsError("Setup script exited with %s" % (v.args[0],)) + + def build_and_install(self, setup_script, setup_base): + args = ['bdist_egg', '--dist-dir'] + dist_dir = tempfile.mkdtemp( + prefix='egg-dist-tmp-', dir=os.path.dirname(setup_script) + ) + try: + args.append(dist_dir) + self.run_setup(setup_script, setup_base, args) + all_eggs = Environment([dist_dir]) + eggs = [] + for key in all_eggs: + for dist in all_eggs[key]: + eggs.append(self.install_egg(dist.location, setup_base)) + if not eggs and not self.dry_run: + log.warn("No eggs found in %s (setup script problem?)", + dist_dir) + return eggs + finally: + rmtree(dist_dir) + log.set_verbosity(self.verbose) # restore our log verbosity + + def update_pth(self,dist): + if self.pth_file is None: + return + + for d in self.pth_file[dist.key]: # drop old entries + if self.multi_version or d.location != dist.location: + log.info("Removing %s from easy-install.pth file", d) + self.pth_file.remove(d) + if d.location in self.shadow_path: + self.shadow_path.remove(d.location) + + if not self.multi_version: + if dist.location in self.pth_file.paths: + log.info( + "%s is already the active version in easy-install.pth", + dist + ) + else: + log.info("Adding %s to easy-install.pth file", dist) + self.pth_file.add(dist) # add new entry + if dist.location not in self.shadow_path: + self.shadow_path.append(dist.location) + + if not self.dry_run: + + self.pth_file.save() + + if dist.key=='setuptools': + # Ensure that setuptools itself never becomes unavailable! + # XXX should this check for latest version? + filename = os.path.join(self.install_dir,'setuptools.pth') + if os.path.islink(filename): os.unlink(filename) + f = open(filename, 'wt') + f.write(self.pth_file.make_relative(dist.location)+'\n') + f.close() + + def unpack_progress(self, src, dst): + # Progress filter for unpacking + log.debug("Unpacking %s to %s", src, dst) + return dst # only unpack-and-compile skips files for dry run + + def unpack_and_compile(self, egg_path, destination): + to_compile = [] + + def pf(src,dst): + if dst.endswith('.py') and not src.startswith('EGG-INFO/'): + to_compile.append(dst) + self.unpack_progress(src,dst) + return not self.dry_run and dst or None + + unpack_archive(egg_path, destination, pf) + self.byte_compile(to_compile) + + + def byte_compile(self, to_compile): + from distutils.util import byte_compile + try: + # try to make the byte compile messages quieter + log.set_verbosity(self.verbose - 1) + + byte_compile(to_compile, optimize=0, force=1, dry_run=self.dry_run) + if self.optimize: + byte_compile( + to_compile, optimize=self.optimize, force=1, + dry_run=self.dry_run + ) + finally: + log.set_verbosity(self.verbose) # restore original verbosity + + + + + + + + + + + + + + + def no_default_version_msg(self): + return """bad install directory or PYTHONPATH + +You are attempting to install a package to a directory that is not +on PYTHONPATH and which Python does not read ".pth" files from. The +installation directory you specified (via --install-dir, --prefix, or +the distutils default setting) was: + + %s + +and your PYTHONPATH environment variable currently contains: + + %r + +Here are some of your options for correcting the problem: + +* You can choose a different installation directory, i.e., one that is + on PYTHONPATH or supports .pth files + +* You can add the installation directory to the PYTHONPATH environment + variable. (It must then also be on PYTHONPATH whenever you run + Python and want to use the package(s) you are installing.) + +* You can set up the installation directory to support ".pth" files by + using one of the approaches described here: + + http://peak.telecommunity.com/EasyInstall.html#custom-installation-locations + +Please make the appropriate changes for your system and try again.""" % ( + self.install_dir, os.environ.get('PYTHONPATH','') + ) + + + + + + + + + + + def install_site_py(self): + """Make sure there's a site.py in the target dir, if needed""" + + if self.sitepy_installed: + return # already did it, or don't need to + + sitepy = os.path.join(self.install_dir, "site.py") + source = resource_string("setuptools", "site-patch.py") + current = "" + + if os.path.exists(sitepy): + log.debug("Checking existing site.py in %s", self.install_dir) + current = open(sitepy,'rb').read() + if not current.startswith('def __boot():'): + raise DistutilsError( + "%s is not a setuptools-generated site.py; please" + " remove it." % sitepy + ) + + if current != source: + log.info("Creating %s", sitepy) + if not self.dry_run: + ensure_directory(sitepy) + f = open(sitepy,'wb') + f.write(source) + f.close() + self.byte_compile([sitepy]) + + self.sitepy_installed = True + + + + + + + + + + + + + INSTALL_SCHEMES = dict( + posix = dict( + install_dir = '$base/lib/python$py_version_short/site-packages', + script_dir = '$base/bin', + ), + ) + + DEFAULT_SCHEME = dict( + install_dir = '$base/Lib/site-packages', + script_dir = '$base/Scripts', + ) + + def _expand(self, *attrs): + config_vars = self.get_finalized_command('install').config_vars + + if self.prefix: + # Set default install_dir/scripts from --prefix + config_vars = config_vars.copy() + config_vars['base'] = self.prefix + scheme = self.INSTALL_SCHEMES.get(os.name,self.DEFAULT_SCHEME) + for attr,val in scheme.items(): + if getattr(self,attr,None) is None: + setattr(self,attr,val) + + from distutils.util import subst_vars + for attr in attrs: + val = getattr(self, attr) + if val is not None: + val = subst_vars(val, config_vars) + if os.name == 'posix': + val = os.path.expanduser(val) + setattr(self, attr, val) + + + + + + + + + +def get_site_dirs(): + # return a list of 'site' dirs + sitedirs = filter(None,os.environ.get('PYTHONPATH','').split(os.pathsep)) + prefixes = [sys.prefix] + if sys.exec_prefix != sys.prefix: + prefixes.append(sys.exec_prefix) + for prefix in prefixes: + if prefix: + if sys.platform in ('os2emx', 'riscos'): + sitedirs.append(os.path.join(prefix, "Lib", "site-packages")) + elif os.sep == '/': + sitedirs.extend([os.path.join(prefix, + "lib", + "python" + sys.version[:3], + "site-packages"), + os.path.join(prefix, "lib", "site-python")]) + else: + sitedirs.extend( + [prefix, os.path.join(prefix, "lib", "site-packages")] + ) + if sys.platform == 'darwin': + # for framework builds *only* we add the standard Apple + # locations. Currently only per-user, but /Library and + # /Network/Library could be added too + if 'Python.framework' in prefix: + home = os.environ.get('HOME') + if home: + sitedirs.append( + os.path.join(home, + 'Library', + 'Python', + sys.version[:3], + 'site-packages')) + for plat_specific in (0,1): + site_lib = get_python_lib(plat_specific) + if site_lib not in sitedirs: sitedirs.append(site_lib) + + sitedirs = map(normalize_path, sitedirs) + return sitedirs + + +def expand_paths(inputs): + """Yield sys.path directories that might contain "old-style" packages""" + + seen = {} + + for dirname in inputs: + dirname = normalize_path(dirname) + if dirname in seen: + continue + + seen[dirname] = 1 + if not os.path.isdir(dirname): + continue + + files = os.listdir(dirname) + yield dirname, files + + for name in files: + if not name.endswith('.pth'): + # We only care about the .pth files + continue + if name in ('easy-install.pth','setuptools.pth'): + # Ignore .pth files that we control + continue + + # Read the .pth file + f = open(os.path.join(dirname,name)) + lines = list(yield_lines(f)) + f.close() + + # Yield existing non-dupe, non-import directory lines from it + for line in lines: + if not line.startswith("import"): + line = normalize_path(line.rstrip()) + if line not in seen: + seen[line] = 1 + if not os.path.isdir(line): + continue + yield line, os.listdir(line) + + +def extract_wininst_cfg(dist_filename): + """Extract configuration data from a bdist_wininst .exe + + Returns a ConfigParser.RawConfigParser, or None + """ + f = open(dist_filename,'rb') + try: + endrec = zipfile._EndRecData(f) + if endrec is None: + return None + + prepended = (endrec[9] - endrec[5]) - endrec[6] + if prepended < 12: # no wininst data here + return None + f.seek(prepended-12) + + import struct, StringIO, ConfigParser + tag, cfglen, bmlen = struct.unpack("<iii",f.read(12)) + if tag not in (0x1234567A, 0x1234567B): + return None # not a valid tag + + f.seek(prepended-(12+cfglen+bmlen)) + cfg = ConfigParser.RawConfigParser({'version':'','target_version':''}) + try: + cfg.readfp(StringIO.StringIO(f.read(cfglen).split(chr(0),1)[0])) + except ConfigParser.Error: + return None + if not cfg.has_section('metadata') or not cfg.has_section('Setup'): + return None + return cfg + + finally: + f.close() + + + + + + + + +def get_exe_prefixes(exe_filename): + """Get exe->egg path translations for a given .exe file""" + + prefixes = [ + ('PURELIB/', ''), + ('PLATLIB/', ''), + ('SCRIPTS/', 'EGG-INFO/scripts/') + ] + z = zipfile.ZipFile(exe_filename) + try: + for info in z.infolist(): + name = info.filename + parts = name.split('/') + if len(parts)==3 and parts[2]=='PKG-INFO': + if parts[1].endswith('.egg-info'): + prefixes.insert(0,('/'.join(parts[:2]), 'EGG-INFO/')) + break + if len(parts)<>2 or not name.endswith('.pth'): + continue + if name.endswith('-nspkg.pth'): + continue + if parts[0] in ('PURELIB','PLATLIB'): + for pth in yield_lines(z.read(name)): + pth = pth.strip().replace('\\','/') + if not pth.startswith('import'): + prefixes.append((('%s/%s/' % (parts[0],pth)), '')) + finally: + z.close() + + prefixes.sort(); prefixes.reverse() + return prefixes + + +def parse_requirement_arg(spec): + try: + return Requirement.parse(spec) + except ValueError: + raise DistutilsError( + "Not a URL, existing file, or requirement spec: %r" % (spec,) + ) + +class PthDistributions(Environment): + """A .pth file with Distribution paths in it""" + + dirty = False + + def __init__(self, filename): + self.filename = filename + self.basedir = normalize_path(os.path.dirname(self.filename)) + self._load(); Environment.__init__(self, [], None, None) + for path in yield_lines(self.paths): + map(self.add, find_distributions(path, True)) + + def _load(self): + self.paths = [] + saw_import = False + seen = {} + if os.path.isfile(self.filename): + for line in open(self.filename,'rt'): + if line.startswith('import'): + saw_import = True + continue + path = line.rstrip() + self.paths.append(path) + if not path.strip() or path.strip().startswith('#'): + continue + # skip non-existent paths, in case somebody deleted a package + # manually, and duplicate paths as well + path = self.paths[-1] = normalize_path( + os.path.join(self.basedir,path) + ) + if not os.path.exists(path) or path in seen: + self.paths.pop() # skip it + self.dirty = True # we cleaned up, so we're dirty now :) + continue + seen[path] = 1 + + if self.paths and not saw_import: + self.dirty = True # ensure anything we touch has import wrappers + while self.paths and not self.paths[-1].strip(): + self.paths.pop() + + def save(self): + """Write changed .pth file back to disk""" + if not self.dirty: + return + + data = '\n'.join(map(self.make_relative,self.paths)) + if data: + log.debug("Saving %s", self.filename) + data = ( + "import sys; sys.__plen = len(sys.path)\n" + "%s\n" + "import sys; new=sys.path[sys.__plen:];" + " del sys.path[sys.__plen:];" + " p=getattr(sys,'__egginsert',0); sys.path[p:p]=new;" + " sys.__egginsert = p+len(new)\n" + ) % data + + if os.path.islink(self.filename): + os.unlink(self.filename) + f = open(self.filename,'wb') + f.write(data); f.close() + + elif os.path.exists(self.filename): + log.debug("Deleting empty %s", self.filename) + os.unlink(self.filename) + + self.dirty = False + + def add(self,dist): + """Add `dist` to the distribution map""" + if dist.location not in self.paths: + self.paths.append(dist.location); self.dirty = True + Environment.add(self,dist) + + def remove(self,dist): + """Remove `dist` from the distribution map""" + while dist.location in self.paths: + self.paths.remove(dist.location); self.dirty = True + Environment.remove(self,dist) + + + def make_relative(self,path): + if normalize_path(os.path.dirname(path))==self.basedir: + return os.path.basename(path) + return path + + +def get_script_header(script_text, executable=sys_executable): + """Create a #! line, getting options (if any) from script_text""" + from distutils.command.build_scripts import first_line_re + first, rest = (script_text+'\n').split('\n',1) + match = first_line_re.match(first) + options = '' + if match: + script_text = rest + options = match.group(1) or '' + if options: + options = ' '+options + return "#!%(executable)s%(options)s\n" % locals() + + +def auto_chmod(func, arg, exc): + if func is os.remove and os.name=='nt': + os.chmod(arg, stat.S_IWRITE) + return func(arg) + exc = sys.exc_info() + raise exc[0], (exc[1][0], exc[1][1] + (" %s %s" % (func,arg))) + + +def uncache_zipdir(path): + """Ensure that the zip directory cache doesn't have stale info for path""" + from zipimport import _zip_directory_cache as zdc + if path in zdc: + del zdc[path] + else: + path = normalize_path(path) + for p in zdc: + if normalize_path(p)==path: + del zdc[p] + return + + +def get_script_args(dist, executable=sys_executable): + """Yield write_script() argument tuples for a distribution's entrypoints""" + spec = str(dist.as_requirement()) + header = get_script_header("", executable) + for group in 'console_scripts', 'gui_scripts': + for name,ep in dist.get_entry_map(group).items(): + script_text = ( + "# EASY-INSTALL-ENTRY-SCRIPT: %(spec)r,%(group)r,%(name)r\n" + "__requires__ = %(spec)r\n" + "import sys\n" + "from pkg_resources import load_entry_point\n" + "\n" + "sys.exit(\n" + " load_entry_point(%(spec)r, %(group)r, %(name)r)()\n" + ")\n" + ) % locals() + if sys.platform=='win32': + # On Windows, add a .py extension and an .exe launcher + if group=='gui_scripts': + ext, launcher = '-script.pyw', 'gui.exe' + old = ['.pyw'] + new_header = re.sub('(?i)python.exe','pythonw.exe',header) + else: + ext, launcher = '-script.py', 'cli.exe' + old = ['.py','.pyc','.pyo'] + new_header = re.sub('(?i)pythonw.exe','pythonw.exe',header) + + if os.path.exists(new_header[2:-1]): + hdr = new_header + else: + hdr = header + yield (name+ext, hdr+script_text, 't', [name+x for x in old]) + yield ( + name+'.exe', resource_string('setuptools', launcher), + 'b' # write in binary mode + ) + else: + # On other platforms, we assume the right thing to do is to + # just write the stub with no extension. + yield (name, header+script_text) + +def rmtree(path, ignore_errors=False, onerror=auto_chmod): + """Recursively delete a directory tree. + + This code is taken from the Python 2.4 version of 'shutil', because + the 2.3 version doesn't really work right. + """ + if ignore_errors: + def onerror(*args): + pass + elif onerror is None: + def onerror(*args): + raise + names = [] + try: + names = os.listdir(path) + except os.error, err: + onerror(os.listdir, path, sys.exc_info()) + for name in names: + fullname = os.path.join(path, name) + try: + mode = os.lstat(fullname).st_mode + except os.error: + mode = 0 + if stat.S_ISDIR(mode): + rmtree(fullname, ignore_errors, onerror) + else: + try: + os.remove(fullname) + except os.error, err: + onerror(os.remove, fullname, sys.exc_info()) + try: + os.rmdir(path) + except os.error: + onerror(os.rmdir, path, sys.exc_info()) + + + + + + + +def main(argv=None, **kw): + from setuptools import setup + from setuptools.dist import Distribution + import distutils.core + + USAGE = """\ +usage: %(script)s [options] requirement_or_url ... + or: %(script)s --help +""" + + def gen_usage (script_name): + script = os.path.basename(script_name) + return USAGE % vars() + + def with_ei_usage(f): + old_gen_usage = distutils.core.gen_usage + try: + distutils.core.gen_usage = gen_usage + return f() + finally: + distutils.core.gen_usage = old_gen_usage + + class DistributionWithoutHelpCommands(Distribution): + def _show_help(self,*args,**kw): + with_ei_usage(lambda: Distribution._show_help(self,*args,**kw)) + + if argv is None: + argv = sys.argv[1:] + + with_ei_usage(lambda: + setup( + script_args = ['-q','easy_install', '-v']+argv, + script_name = sys.argv[0] or 'easy_install', + distclass=DistributionWithoutHelpCommands, **kw + ) + ) |