Add a new Python install script and clean up the makefile templates

1 files changed, 171 insertions, 0 deletions

diff --git a/src/scripts/install.py b/src/scripts/install.py
new file mode 100755
index 000000000..f3daa9f44
--- /dev/null
+++ b/src/scripts/install.py
@@ -0,0 +1,171 @@
+#!/usr/bin/python
+
+import errno
+import logging
+import optparse
+import os
+import shutil
+import string
+import sys
+
+def parse_command_line(args):
+
+    parser = optparse.OptionParser()
+
+    parser.add_option('--verbose', action='store_true', default=False,
+                      help='Show debug messages')
+    parser.add_option('--quiet', action='store_true', default=False,
+                      help='Show only warnings and errors')
+
+    build_group = optparse.OptionGroup(parser, 'Source options')
+    build_group.add_option('--build-dir', metavar='DIR', default='build',
+                           help='Location of build output (default \'%default\')')
+    parser.add_option_group(build_group)
+
+    install_group = optparse.OptionGroup(parser, 'Installation options')
+    install_group.add_option('--destdir', default='/tmp/local',
+                             help='Set output directory (default %default)')
+    install_group.add_option('--bindir', default='bin', metavar='DIR',
+                             help='Set binary subdir (default %default)')
+    install_group.add_option('--libdir', default='lib', metavar='DIR',
+                             help='Set library subdir (default %default)')
+    install_group.add_option('--includedir', default='include', metavar='DIR',
+                             help='Set include subdir (default %default)')
+    install_group.add_option('--docdir', default='share/doc', metavar='DIR',
+                             help='Set documentation subdir (default %default)')
+    install_group.add_option('--pkgconfigdir', default='pkgconfig', metavar='DIR',
+                             help='Set pkgconfig subdir (default %default)')
+
+    install_group.add_option('--include-dir-suffix', metavar='SUFFIX', default='',
+                             help='Set optional suffix on include dir')
+    install_group.add_option('--doc-dir-suffix', metavar='SUFFIX', default='',
+                             help='Set optional suffix on doc dir')
+
+    install_group.add_option('--umask', metavar='MASK', default='022',
+                             help='Umask to set (default %default)')
+    parser.add_option_group(install_group)
+
+    (options, args) = parser.parse_args(args)
+
+    def log_level():
+        if options.verbose:
+            return logging.DEBUG
+        if options.quiet:
+            return logging.WARNING
+        return logging.INFO
+
+    logging.getLogger().setLevel(log_level())
+
+    return (options, args)
+
+def makedirs(dirname, exist_ok = True):
+    try:
+        logging.debug('Creating directory %s' % (dirname))
+        os.makedirs(dirname)
+    except OSError as e:
+        if e.errno != errno.EEXIST or not exist_ok:
+            raise e
+
+def main(args = None):
+    if args is None:
+        args = sys.argv
+
+    logging.basicConfig(stream = sys.stdout,
+                        format = '%(levelname) 7s: %(message)s')
+
+    (options, args) = parse_command_line(args)
+
+    exe_mode = 0777
+
+    if 'umask' in os.__dict__:
+        umask = int(options.umask, 8)
+        logging.debug('Setting umask to %s' % oct(umask))
+        os.umask(int(options.umask, 8))
+        exe_mode &= (umask ^ 0777)
+
+    def copy_executable(src, dest):
+        shutil.copyfile(src, dest)
+        logging.debug('Copied %s to %s' % (src, dest))
+        os.chmod(dest, exe_mode)
+
+    build_vars = eval(open(os.path.join(options.build_dir, 'build_config.py')).read())
+
+    def process_template(template_str):
+        class PercentSignTemplate(string.Template):
+            delimiter = '%'
+
+        try:
+            template = PercentSignTemplate(template_str)
+            return template.substitute(build_vars)
+        except KeyError as e:
+            raise Exception('Unbound var %s in template' % (e))
+        except Exception as e:
+            raise Exception('Exception %s in template' % (e))
+
+    bin_dir = os.path.join(options.destdir, options.bindir)
+    lib_dir = os.path.join(options.destdir, options.libdir)
+    doc_dir = os.path.join(options.destdir, options.docdir)
+    include_dir = os.path.join(options.destdir, options.includedir)
+    botan_doc_dir = os.path.join(doc_dir, 'botan' + options.doc_dir_suffix)
+    botan_include_dir = os.path.join(include_dir, 'botan' + options.include_dir_suffix)
+
+    out_dir = process_template('%{out_dir}')
+    app_exe = process_template('botan%{program_suffix}')
+
+    makedirs(options.destdir)
+    makedirs(lib_dir)
+    makedirs(bin_dir)
+    makedirs(doc_dir)
+    makedirs(include_dir)
+    makedirs(botan_include_dir) # False
+
+    build_include_dir = os.path.join(options.build_dir, 'include', 'botan')
+
+    for include in os.listdir(build_include_dir):
+        if include == 'internal':
+            continue
+        shutil.copyfile(os.path.join(build_include_dir, include),
+                        os.path.join(botan_include_dir, include))
+
+    static_lib = process_template('%{lib_prefix}%{libname}.%{static_suffix}')
+    shutil.copyfile(static_lib, os.path.join(lib_dir, os.path.basename(static_lib)))
+
+    if bool(build_vars['with_shared_lib']):
+        shared_lib = process_template('%{lib_prefix}%{libname}.%{so_suffix}.%{so_abi_rev}.%{version_patch}')
+        soname = process_template('%{lib_prefix}%{libname}.%{so_suffix}.%{so_abi_rev}')
+        baselib = process_template('%{lib_prefix}%{libname}.%{so_suffix}')
+
+        copy_executable(shared_lib, os.path.join(lib_dir, os.path.basename(shared_lib)))
+
+        prev_cwd = os.getcwd()
+        try:
+            os.chdir(lib_dir)
+            os.symlink(shared_lib, soname)
+            os.symlink(soname, baselib)
+        finally:
+            os.chdir(prev_cwd)
+
+    copy_executable(os.path.join(out_dir, app_exe), os.path.join(bin_dir, app_exe))
+
+    if 'botan_config' in build_vars:
+        copy_executable(build_vars['botan_config'],
+                        os.path.join(bin_dir, os.path.basename(build_vars['botan_config'])))
+
+    if 'botan_pkgconfig' in build_vars:
+        pkgconfig_dir = os.path.join(options.destdir, options.pkgconfigdir)
+        makedirs(pkgconfig_dir)
+        shutil.copyfile(build_vars['botan_pkgconfig'],
+                        os.path.join(pkgconfig_dir, os.path.basename(build_vars['botan_pkgconfig'])))
+
+    shutil.copytree(build_vars['doc_output_dir'], botan_doc_dir)
+
+    logging.info('Botan %s installation complete', build_vars['version'])
+
+if __name__ == '__main__':
+    try:
+        sys.exit(main())
+    except Exception as e:
+        logging.error('Failure: %s' % (e))
+        import traceback
+        logging.debug(traceback.format_exc())
+        sys.exit(1)