@@ -9,6 +9,7 @@
# SPDX-License-Identifier: GPL-2.0-only
#
+import sys
import bb
from bb import methodpool
from bb.parse import logger
@@ -269,6 +270,24 @@ class BBHandlerNode(AstNode):
data.setVarFlag(h, "handler", 1)
data.setVar('__BBHANDLERS', bbhands)
+class PyLibNode(AstNode):
+ def __init__(self, filename, lineno, libdir, namespace):
+ AstNode.__init__(self, filename, lineno)
+ self.libdir = libdir
+ self.namespace = namespace
+
+ def eval(self, data):
+ libdir = data.expand(self.libdir)
+ if libdir not in sys.path:
+ sys.path.append(libdir)
+ try:
+ bb.utils._context[self.namespace] = __import__(self.namespace)
+ toimport = getattr(bb.utils._context[self.namespace], "BBIMPORTS", [])
+ for i in toimport:
+ bb.utils._context[i.split(".", 1)[0]] = __import__(i)
+ except AttributeError as e:
+ bb.error("Error importing OE modules: %s" % str(e))
+
class InheritNode(AstNode):
def __init__(self, filename, lineno, classes):
AstNode.__init__(self, filename, lineno)
@@ -320,6 +339,9 @@ def handleDelTask(statements, filename, lineno, m):
def handleBBHandlers(statements, filename, lineno, m):
statements.append(BBHandlerNode(filename, lineno, m.group(1)))
+def handlePyLib(statements, filename, lineno, m):
+ statements.append(PyLibNode(filename, lineno, m.group(1), m.group(2)))
+
def handleInherit(statements, filename, lineno, m):
classes = m.group(1)
statements.append(InheritNode(filename, lineno, classes))
@@ -46,6 +46,7 @@ __require_regexp__ = re.compile( r"require\s+(.+)" )
__export_regexp__ = re.compile( r"export\s+([a-zA-Z0-9\-_+.${}/~]+)$" )
__unset_regexp__ = re.compile( r"unset\s+([a-zA-Z0-9\-_+.${}/~]+)$" )
__unset_flag_regexp__ = re.compile( r"unset\s+([a-zA-Z0-9\-_+.${}/~]+)\[([a-zA-Z0-9\-_+.]+)\]$" )
+__addpylib_regexp__ = re.compile(r"addpylib\s+(.+)\s+(.+)" )
def init(data):
return
@@ -189,6 +190,11 @@ def feeder(lineno, s, fn, statements):
ast.handleUnsetFlag(statements, fn, lineno, m)
return
+ m = __addpylib_regexp__.match(s)
+ if m:
+ ast.handlePyLib(statements, fn, lineno, m)
+ return
+
raise ParseError("unparsed line: '%s'" % s, fn, lineno);
# Add us to the handlers list
For many years OE-Core has injected it's own python modules into the python namespace using an immediate expansion of a variable in base.bbclass. We really need this to become a first class citizen of the langauge, this new addpylib directive allows that. Usage is of the form: addpylib <directory> <namespace> The namespace is imported and if there is an attribute BBIMPORT, that list of names is iterated and imported too. This mirrors what OE-Core has done for a long time with one difference in implmentation, sys.path is only appended to. This means later imported namespaces can't overwrite an earlier one and can't overwrite the main python module space. In practice we've never done that and it isn't something we should encourage or support. Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org> --- lib/bb/parse/ast.py | 22 ++++++++++++++++++++++ lib/bb/parse/parse_py/ConfHandler.py | 6 ++++++ 2 files changed, 28 insertions(+)