[gentoo-commits] proj/R_overlay:master commit in: roverlay/ebuild/

[André Erdmann]

commit:     5a5de449586726eaa99a807781552753659d32c1
Author:     André Erdmann <dywi <AT> mailerd <DOT> de>
AuthorDate: Wed Jan 30 20:02:30 2013 +0000
Commit:     André Erdmann <dywi <AT> mailerd <DOT> de>
CommitDate: Wed Jan 30 20:02:30 2013 +0000
URL:        http://git.overlays.gentoo.org/gitweb/?p=proj/R_overlay.git;a=commit;h=5a5de449

ebuild/ebuilder: has(<name>), get_names()

Added helper functions that can be used to add an evar only if it does not
already exist (etc.).

---
 roverlay/ebuild/ebuilder.py |   20 ++++++++++++++++++++
 1 files changed, 20 insertions(+), 0 deletions(-)

diff --git a/roverlay/ebuild/ebuilder.py b/roverlay/ebuild/ebuilder.py
index 2032d25..fb15e18 100644
--- a/roverlay/ebuild/ebuilder.py
+++ b/roverlay/ebuild/ebuilder.py
@@ -16,6 +16,7 @@ class Ebuilder ( object ):
 	"""Used to create ebuilds."""
 
 	def __init__ ( self ):
+		# or use dict() to speed up has(<>) calls
 		self._evars = list()
 		# newlines \n will be inserted after an evar if the priority
 		# delta (current evar, next evar) is >= this value.
@@ -60,3 +61,22 @@ class Ebuilder ( object ):
 		"""
 		for e in evar_list:
 			if e is not None: self._evars.append ( e )
+	# --- end of use (...) ---
+
+	def has ( self, evar_name ):
+		"""Returns True if an evar with name evar_name exists.
+
+		arguments:
+		* evar_name --
+		"""
+		for e in self._evars:
+			if e.name == evar_name:
+				return True
+		return False
+	# --- end of has (...) ---
+
+	def get_names ( self ):
+		"""Yields all evar names."""
+		for e in self._evars:
+			yield e.name
+	# --- end of get_names (...) ---