diff options
Diffstat (limited to 'configure.py')
| -rw-r--r-- | configure.py | 75 |
1 files changed, 66 insertions, 9 deletions
diff --git a/configure.py b/configure.py index 212bd57..8fc6e04 100644 --- a/configure.py +++ b/configure.py @@ -22,6 +22,9 @@ import argparse import os import sys import logging +from distutils.spawn import find_executable +import subprocess +from subprocess import Popen # This script so far generates config.mk. # The only value it produces is prefix, @@ -32,6 +35,56 @@ import logging # TODO: Also respect DESTDIR ($PREFIX/$DESTDIR/rest). +def _existence(name): + return find_executable(name) is not None + + +def _tool_version(name): + return subprocess.getstatusoutput(name)[1] + + +def _tool_node(): + if _existence('node') is None: + sys.exit('Error: node executable not found.\nIf you are using Linux, Ubuntu or Debian, try installing the\nnode-legacy package or symlink node to nodejs.') + else: + if subprocess.getstatusoutput("node -p 'process.exit(!(/v([0-9]+)/.exec(process.version)[1] >= 4))'")[1] is '': + # and exit(1) here? + sys.exit('Your node version is too old, use Node 4.x or newer') + else: + node_version = _tool_version("node --version") + return f"Using Node version {node_version}" + + +def _tool_yarn(): + if _existence('yarn'): + p1 = Popen(['yarn', 'help'], stderr=subprocess.STDOUT, stdout=subprocess.PIPE) + p2 = Popen(['grep', 'No such file or directory'], stdin=p1.stdout, stdout=subprocess.PIPE) + p1.stdout.close() # Allow p1 to receive a SIGPIPE if p2 exits + output = p2.communicate()[0] + if output is b'': + if _existence('cmdtest'): + print('WARNING: cmdtest is installed, this can lead\nto know issues with yarn.') + sys.exit('ERROR: wrong yarn binary installed, please remove the\nconflicting binary before continuing.') + return 'yarn' + elif _existence('yarnpkg'): + return 'yarnpkg' + else: + sys.exit('ERROR: yarn missing. See https://yarnpkg.com/en/docs/install\n') + + +def _tool_posix(): + tool_find = _existence('find') + if tool_find is None: + msg_find = 'prerequiste find(1) not found.' + tool_xargs = _existence('xargs') + if tool_xargs is None: + msg_xargs = 'prerequiste xargs(1) not found.' + tool_msgmerge = _existence('msgmerge') + if tool_msgmerge is None: + msg_msgmerge = 'prerequiste msgmerge(1) not found.' + return [msg_find, msg_xargs, msg_msgmerge] + + def _read_prefix(): logging.basicConfig(level=logging.DEBUG) logger = logging.getLogger(__name__) @@ -40,16 +93,14 @@ def _read_prefix(): if 'DEBUG' in os.environ: logger.debug('PREFIX from argv') parser = argparse.ArgumentParser() - parser.add_argument("-p", - "--prefix", + parser.add_argument('-p', + '--prefix', type=str, - default="/usr/local", - # required=True, + default='/usr/local', help='Directory prefix for installation') - parser.add_argument("-y", - "--yarn", + parser.add_argument('-y', + '--yarn', type=str, - required=True, help='name of yarn executable') if 'DEBUG' in os.environ: logger.debug('parser.parse_args step') @@ -66,14 +117,16 @@ def _read_prefix(): myprefix = p_myprefix else: myprefix = args.prefix - yarnexe = args.yarn + if args.yarn is not None: + yarnexe = args.yarn + else: + yarnexe = str(_tool_yarn()) if 'DEBUG' in os.environ: logger.debug('%s', repr(myprefix)) if args.prefix and os.path.isdir(myprefix) is True: return [myprefix, yarnexe]; def main(): - # mylist = str(_read_prefix()) mylist = _read_prefix() myprefix = mylist[0] yarnexe = mylist[1] @@ -82,6 +135,10 @@ def main(): f'prefix={myprefix}\n', f'yarnexe={yarnexe}\n']) f.close() + _tool_node() + posixlist = _tool_posix() + for x in range(len(posixlist)): + print(posixlist[x] + "\n") main() |