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-rw-r--r--bitbake-dev/lib/bb/utils.py37
1 files changed, 37 insertions, 0 deletions
diff --git a/bitbake-dev/lib/bb/utils.py b/bitbake-dev/lib/bb/utils.py
index 17e22e389..0a0c9ada3 100644
--- a/bitbake-dev/lib/bb/utils.py
+++ b/bitbake-dev/lib/bb/utils.py
@@ -96,7 +96,34 @@ def explode_deps(s):
#r[-1] += ' ' + ' '.join(j)
return r
+def explode_dep_versions(s):
+ """
+ Take an RDEPENDS style string of format:
+ "DEPEND1 (optional version) DEPEND2 (optional version) ..."
+ and return a dictonary of dependencies and versions.
+ """
+ r = {}
+ l = s.split()
+ lastdep = None
+ lastver = ""
+ inversion = False
+ for i in l:
+ if i[0] == '(':
+ inversion = True
+ lastver = i[1:] or ""
+ #j = []
+ elif inversion and i.endswith(')'):
+ inversion = False
+ lastver = lastver + " " + (i[:-1] or "")
+ r[lastdep] = lastver
+ elif not inversion:
+ r[i] = None
+ lastdep = i
+ lastver = ""
+ elif inversion:
+ lastver = lastver + " " + i
+ return r
def _print_trace(body, line):
"""
@@ -268,3 +295,13 @@ def sha256_file(filename):
for line in open(filename):
s.update(line)
return s.hexdigest()
+
+def prunedir(topdir):
+ # Delete everything reachable from the directory named in 'topdir'.
+ # CAUTION: This is dangerous!
+ for root, dirs, files in os.walk(topdir, topdown=False):
+ for name in files:
+ os.remove(os.path.join(root, name))
+ for name in dirs:
+ os.rmdir(os.path.join(root, name))
+ os.rmdir(topdir)