lib/oe: Import oe lib from OE.dev

This library moves the common Python methods into modules of an 'oe' Python
package.

Signed-off-by: Joshua Lock <josh@linux.intel.com>

1 files changed, 69 insertions, 0 deletions

diff --git a/meta/lib/oe/utils.py b/meta/lib/oe/utils.py
new file mode 100644
index 0000000000..e61d663a50
--- /dev/null
+++ b/meta/lib/oe/utils.py
@@ -0,0 +1,69 @@
+def read_file(filename):
+    try:
+        f = file( filename, "r" )
+    except IOError, reason:
+        return "" # WARNING: can't raise an error now because of the new RDEPENDS handling. This is a bit ugly. :M:
+    else:
+        return f.read().strip()
+    return None
+
+def ifelse(condition, iftrue = True, iffalse = False):
+    if condition:
+        return iftrue
+    else:
+        return iffalse
+
+def conditional(variable, checkvalue, truevalue, falsevalue, d):
+    if bb.data.getVar(variable,d,1) == checkvalue:
+        return truevalue
+    else:
+        return falsevalue
+
+def less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
+    if float(bb.data.getVar(variable,d,1)) <= float(checkvalue):
+        return truevalue
+    else:
+        return falsevalue
+
+def version_less_or_equal(variable, checkvalue, truevalue, falsevalue, d):
+    result = bb.vercmp(bb.data.getVar(variable,d,True), checkvalue)
+    if result <= 0:
+        return truevalue
+    else:
+        return falsevalue
+
+def contains(variable, checkvalues, truevalue, falsevalue, d):
+    val = bb.data.getVar(variable,d,1)
+    if not val:
+        return falsevalue
+    matches = 0
+    if type(checkvalues).__name__ == "str":
+        checkvalues = [checkvalues]
+    for value in checkvalues:
+        if val.find(value) != -1:
+            matches = matches + 1
+    if matches == len(checkvalues):
+        return truevalue
+    return falsevalue
+
+def both_contain(variable1, variable2, checkvalue, d):
+    if bb.data.getVar(variable1,d,1).find(checkvalue) != -1 and bb.data.getVar(variable2,d,1).find(checkvalue) != -1:
+        return checkvalue
+    else:
+        return ""
+
+def prune_suffix(var, suffixes, d):
+    # See if var ends with any of the suffixes listed and 
+    # remove it if found
+    for suffix in suffixes:
+        if var.endswith(suffix):
+            return var.replace(suffix, "")
+    return var
+
+def str_filter(f, str, d):
+    from re import match
+    return " ".join(filter(lambda x: match(f, x, 0), str.split()))
+
+def str_filter_out(f, str, d):
+    from re import match
+    return " ".join(filter(lambda x: not match(f, x, 0), str.split()))