def _find_httpd()

in build/generator/gen_win_dependencies.py [0:0]
82 lines of code
16 McCabe index (conditional complexity)

  def _find_httpd(self, show_warnings):
    "Find Apache HTTPD and version"

    minimal_httpd_version = (2, 2, 0)
    if not self.httpd_path:
      return

    inc_base = os.path.join(self.httpd_path, 'include')

    if os.path.isfile(os.path.join(inc_base, 'apache26', 'ap_release.h')):
      inc_path = os.path.join(inc_base, 'apache26')
    elif os.path.isfile(os.path.join(inc_base, 'apache24', 'ap_release.h')):
      inc_path = os.path.join(inc_base, 'apache24')
    elif os.path.isfile(os.path.join(inc_base, 'apache22', 'ap_release.h')):
      inc_path = os.path.join(inc_base, 'apache22')
    elif os.path.isfile(os.path.join(inc_base, 'apache20', 'ap_release.h')):
      inc_path = os.path.join(inc_base, 'apache20')
    elif os.path.isfile(os.path.join(inc_base, 'apache2', 'ap_release.h')):
      inc_path = os.path.join(inc_base, 'apache2')
    elif os.path.isfile(os.path.join(inc_base, 'apache', 'ap_release.h')):
      inc_path = os.path.join(inc_base, 'apache')
    elif os.path.isfile(os.path.join(inc_base, 'ap_release.h')):
      inc_path = inc_base
    else:
      if show_warnings:
        print('WARNING: \'ap_release.h\' not found')
        print("Use '--with-httpd' to configure openssl location.");
      return

    version_file_path = os.path.join(inc_path, 'ap_release.h')
    txt = open(version_file_path).read()

    vermatch = re.search(r'^\s*#define\s+AP_SERVER_MAJORVERSION_NUMBER\s+(\d+)',
                         txt, re.M)
    major = int(vermatch.group(1))

    vermatch = re.search(r'^\s*#define\s+AP_SERVER_MINORVERSION_NUMBER\s+(\d+)',
                         txt, re.M)
    minor = int(vermatch.group(1))

    vermatch = re.search(r'^\s*#define\s+AP_SERVER_PATCHLEVEL_NUMBER\s+(\d+)',
                         txt, re.M)
    patch = int(vermatch.group(1))

    version = (major, minor, patch)
    httpd_version = '%d.%d.%d' % version

    if version < minimal_httpd_version:
      if show_warnings:
        print("WARNING: httpd %s or higher is required "
                        "(%s found)\n" % (
                          '.'.join(str(v) for v in minimal_httpd_version),
                          httpd_version))
      return

    lib_name = 'libhttpd.lib'
    lib_base = self.httpd_path

    debug_lib_dir = None

    if os.path.isfile(os.path.join(lib_base, 'lib', lib_name)):
      # Install location
      lib_dir = os.path.join(lib_base, 'lib')
    elif os.path.isfile(os.path.join(lib_base, 'Release', lib_name)):
      # Source location
      lib_dir = os.path.join(lib_base, 'Release')
      if os.path.isfile(os.path.join(lib_base, 'Debug', lib_name)):
        debug_lib_dir = os.path.join(lib_base, 'Debug')

    # Our modules run inside httpd, so we don't have to find binaries

    self._libraries['httpd'] = SVNCommonLibrary('httpd', inc_path, lib_dir, lib_name,
                                                httpd_version,
                                                debug_lib_dir=debug_lib_dir,
                                                defines=['AP_DECLARE_EXPORT'])

    # And now find mod_dav

    if os.path.isfile(os.path.join(inc_path, 'mod_dav.h')):
      # Install location, we are lucky
      inc_path = inc_path
    elif os.path.isfile(os.path.join(lib_base, 'modules/dav/main/mod_dav.h')):
      # Source location
      inc_path = os.path.join(lib_base, 'modules/dav/main')
    else:
      if show_warnings:
        print("WARNING: Can't find mod_dav.h in the httpd directory")
        return

    lib_name = 'mod_dav.lib'
    if os.path.isfile(os.path.join(lib_dir, lib_name)):
      # Same location as httpd
      lib_dir = lib_dir
    elif os.path.isfile(os.path.join(lib_base, 'modules/dav/main/Release', lib_name)):
      # Source location
      lib_dir = os.path.join(lib_base, 'modules/dav/main/Release')

      if os.path.isfile(os.path.join(lib_base, 'modules/dav/main/Debug', lib_name)):
        debug_lib_dir = os.path.join(lib_base, 'modules/dav/main/Debug')
      else:
        debug_lib_dir = None
    else:
      if show_warnings:
        print("WARNING: Can't find mod_dav.lib in the httpd directory")
        return

    self._libraries['mod_dav'] = SVNCommonLibrary('mod_dav', inc_path, lib_dir, lib_name,
                                                  httpd_version,
                                                  debug_lib_dir=debug_lib_dir)