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99 lines
2.3 KiB
Python
99 lines
2.3 KiB
Python
#
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# Copyright 2006, 2013 Red Hat, Inc.
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#
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# This work is licensed under the GNU GPLv2 or later.
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# See the COPYING file in the top-level directory.
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#
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import os
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class DevError(RuntimeError):
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def __init__(self, msg):
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RuntimeError.__init__(self, "programming error: %s" % msg)
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def listify(l):
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if l is None:
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return []
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elif not isinstance(l, list):
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return [l]
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else:
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return l
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def xml_escape(xml):
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"""
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Replaces chars ' " < > & with xml safe counterparts
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"""
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if xml:
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xml = xml.replace("&", "&")
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xml = xml.replace("'", "'")
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xml = xml.replace("\"", """)
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xml = xml.replace("<", "<")
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xml = xml.replace(">", ">")
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return xml
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def get_prop_path(obj, prop_path):
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"""Return value of attribute identified by `prop_path`
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Look up the attribute of `obj` identified by `prop_path`
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(separated by "."). If any component along the path is missing an
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`AttributeError` is raised.
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"""
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parent = obj
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pieces = prop_path.split(".")
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for piece in pieces[:-1]:
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parent = getattr(parent, piece)
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return getattr(parent, pieces[-1])
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def set_prop_path(obj, prop_path, value):
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"""Set value of attribute identified by `prop_path`
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Set the attribute of `obj` identified by `prop_path` (separated by
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".") to `value`. If any component along the path is missing an
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`AttributeError` is raised.
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"""
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parent = obj
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pieces = prop_path.split(".")
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for piece in pieces[:-1]:
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parent = getattr(parent, piece)
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return setattr(parent, pieces[-1], value)
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def in_testsuite():
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return "VIRTINST_TEST_SUITE" in os.environ
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def diff(origstr, newstr, fromfile="Original", tofile="New"):
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import difflib
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dlist = difflib.unified_diff(
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origstr.splitlines(1), newstr.splitlines(1),
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fromfile=fromfile, tofile=tofile)
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return "".join(dlist)
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def unindent_device_xml(xml):
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import re
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lines = xml.splitlines()
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if not lines:
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return xml # pragma: no cover
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ret = ""
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unindent = 0
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for c in lines[0]:
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if c != " ":
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break
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unindent += 1
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for line in lines:
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if re.match(r"^%s *<.*$" % (unindent * " "), line):
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line = line[unindent:]
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ret += line + "\n"
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return ret
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