util/portage_regex: add wildcard module

matches package strings (CATEGORY/PF, PF, P, PN, PV, PVR, ...) containing
wildcard characters, e.g. "sys-*/a*-5.*-r1?".

1 files changed, 75 insertions, 0 deletions

diff --git a/roverlay/util/portage_regex/wildcard.py b/roverlay/util/portage_regex/wildcard.py
new file mode 100644
index 0000000..fd6308f
--- /dev/null
+++ b/roverlay/util/portage_regex/wildcard.py
@@ -0,0 +1,75 @@
+# R overlay -- roverlay package, util, portage regex - wildcard
+# -*- coding: utf-8 -*-
+# Copyright (C) 2014 André Erdmann <dywi@mailerd.de>
+# Distributed under the terms of the GNU General Public License;
+# either version 2 of the License, or (at your option) any later version.
+
+import roverlay.util.portage_regex.default as pre_default
+#from . import default as pre_default
+
+
+PAT_WILDCARD_PACKAGE_NAME = pre_default.FMT_PAT_A_PACKAGE_NAME.format (
+   a=r'a-zA-Z+*?', b=r'0-9', c=r'-_'
+)
+PAT_WILDCARD_CATEGORY_NAME = pre_default.FMT_PAT_A_CATEGORY_NAME.format (
+   r'a-zA-Z+0-9*?', r'\-_'
+)
+
+PAT_WILDCARD_DOT_DIGITS = pre_default.FMT_PAT_DOT_DIGITS.format ( '0-9*?', '.' )
+PAT_WILDCARD_VERSION    = (
+   # no wildcard support for the optional a-zA-Z at the end of the str
+   r'(?P<version>{}[a-zA-Z]?)'.format ( PAT_WILDCARD_DOT_DIGITS )
+)
+##PAT_WILDCARD_VSUFFIX    = <version suffix not supported>
+##                           (using PAT_A_DEP_ATOM_VERSION_SUFFIXES,
+##                            which may or may not work)
+
+PAT_WILDCARD_REVISION   = r'(?:r(?P<revision>[0-9*?]+))'
+
+
+PAT_WILDCARD_PVR = pre_default.FMT_PAT_PVR.format (
+   version          = PAT_WILDCARD_VERSION,
+   version_suffixes = pre_default.PAT_A_DEP_ATOM_VERSION_SUFFIXES,
+   revision         = PAT_WILDCARD_REVISION,
+)
+
+PAT_WILDCARD_PN = pre_default.FMT_PAT_PN.format (
+   package_name = PAT_WILDCARD_PACKAGE_NAME,
+)
+
+PAT_WILDCARD_PF  = pre_default.FMT_PAT_PF.format (
+   pn  = PAT_WILDCARD_PN,
+   pvr = PAT_WILDCARD_PVR,
+)
+
+PAT_WILDCARD_CATEGORY = pre_default.FMT_PAT_CATEGORY.format (
+   category_name = PAT_WILDCARD_CATEGORY_NAME
+)
+
+PAT_WILDCARD_PACKAGE = pre_default.FMT_PAT_PACKAGE.format (
+   category = PAT_WILDCARD_CATEGORY,
+   pf       = PAT_WILDCARD_PF
+)
+
+RE_WILDCARD_CATEGORY = pre_default.MultiRegexProxy.compile_exact (
+      PAT_WILDCARD_CATEGORY
+)
+RE_WILDCARD_PACKAGE  = pre_default.MultiRegexProxy.compile_exact (
+   PAT_WILDCARD_PACKAGE
+)
+
+
+if __name__ == '__main__':
+   import sys
+
+   for s in sys.argv[1:]:
+      match = RE_WILDCARD_PACKAGE.match(s)
+      k,h,x = s.partition("/")
+      if h:
+         print(k,RE_WILDCARD_CATEGORY.match(k),PAT_WILDCARD_CATEGORY)
+
+
+      if match:
+         print ( "{!s} : {!s}".format ( s, match.groupdict() ) )
+      else:
+         print ( "{!s} not matched".format ( s ) )