def is_installed(self, environ, version=None, strict=False):
options.set_debug(self.debug)
self.found = system_uses_macports()
if self.found:
self.ports_found = os.path.exists(python_executable())
exe_ok = False
for exe in python_sys_executables():
if exe.startswith(sys.exec_prefix):
exe_ok = True
break
if self.ports_found and not exe_ok:
if self.debug:
print(sys.exec_prefix + "/bin/python not in " + \
repr(python_sys_executables()))
switch_python()
return self.found and self.ports_found
def install(self, environ, version, strict=False, locally=True):
if not self.found:
website = ('http://gcc.gnu.org',)
if 'windows' in platform.system().lower():
if version is None:
version = '20120426'
website = ('http://sourceforge.net/projects/mingw/',
'files/Installer/mingw-get-inst/mingw-get-inst-' +
str(version) + '/')
if 'darwin' in platform.system().lower() and system_uses_macports():
raise Exception('GFortran does not appear to be installed.')
global_install('GFortran', website,
winstaller='mingw-get-inst-' + str(version) + '.exe',
brew='gfortran ', #+ os.path.join(here, 'g77.rb'),
deb='gfortran', rpm='gcc-gfortran')
if not self.is_installed(environ, version, strict):
raise Exception('GFortran installation failed.')
def configure_system(
prerequisite_list,
version,
required_python_version="2.4",
install=None,
quiet=False,
sublevel=None,
out=sys.stdout,
err=sys.stderr,
locally=None,
download=None,
options=dict(),
):
"""
Given a list of required software and optionally a Python version,
verify that python is the proper version and that
other required software is installed.
Install missing prerequisites that have an installer defined.
"""
if locally is None: ## parameter value overrides
if "locally" in options.keys():
locally = options["locally"]
else:
locally = True ## default value
if install is None: ## parameter value overrides
if "install" in options.keys():
install = options["install"]
else:
install = True ## default value
if download is None: ## parameter value overrides
if "download" in options.keys():
download = options["download"]
else:
download = False ## default value
if sublevel is None: ## parameter value overrides
if "sublevel" in options.keys():
opts.set_top_level(options["sublevel"])
environment = dict()
try:
environment = read_cache()
skip = False
for arg in sys.argv:
if arg.startswith("clean"):
skip = True
quiet = True
pyver = simplify_version(platform.python_version())
reqver = simplify_version(required_python_version)
if pyver < reqver:
raise FatalError("Python version >= " + reqver + " is required. " + "You are running version " + pyver)
if not quiet:
out.write("CONFIGURE ")
if len(environment):
out.write("(from cache)")
out.write("\n")
environment["PACKAGE_VERSION"] = version
prerequisite_list.insert(0, "httpsproxy_urllib2")
if (
"windows" in platform.system().lower()
and in_prerequisites("mingw", prerequisite_list)
and in_prerequisites("boost", prerequisite_list)
and not in_prerequisites("msvcrt", prerequisite_list)
):
err.write("WARNING: if you're using the boost-python DLL, " + "also add 'msvcrt' as a prerequisite.\n")
if (
"darwin" in platform.system().lower()
and not in_prerequisites("macports", prerequisite_list)
and not in_prerequisites("homebrew", prerequisite_list)
):
if system_uses_macports():
prerequisite_list.insert(0, "macports")
elif system_uses_homebrew():
prerequisite_list.insert(0, "homebrew")
else:
err.write(
"WARNING: neither MacPorts nor Homebrew "
+ "detected. All required libraries will be "
+ "built locally.\n"
)
for help_name in prerequisite_list:
if len(help_name) > 0:
environment = find_package_config(
help_name, __run_helper__, environment, skip, install, quiet, out, err, locally, download
)
save_cache(environment)
except Exception: # pylint: disable=W0703
logfile = os.path.join(opts.target_build_dir, "config.log")
if not os.path.exists(opts.target_build_dir):
mkdir(opts.target_build_dir)
log = open(logfile, "a")
log.write("** Configuration error. **\n" + traceback.format_exc())
log.close()
err.write(
"Configuration error; see "
+ logfile
+ " for details.\n"
+ "If the build fails, run 'python setup.py dependencies "
+ "--show'\nand install the listed packages by hand.\n"
)
raise
return environment
