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authorStefan Israelsson Tampe <stefan.itampe@gmail.com>2019-03-12 18:30:03 +0100
committerStefan Israelsson Tampe <stefan.itampe@gmail.com>2019-03-12 18:30:03 +0100
commit0bd6e0b49bf32eaef5419485611d48361bf482bb (patch)
treeebd504a1d3eb8fbffe3b651e22ea96d1740683db /modules/language/python/module/xml/dom/domreg.py~
parentb8a78bac9e310893bb5b931d46016a95be1899c8 (diff)
cleanup
Diffstat (limited to 'modules/language/python/module/xml/dom/domreg.py~')
-rw-r--r--modules/language/python/module/xml/dom/domreg.py~97
1 files changed, 0 insertions, 97 deletions
diff --git a/modules/language/python/module/xml/dom/domreg.py~ b/modules/language/python/module/xml/dom/domreg.py~
deleted file mode 100644
index 8c3d901..0000000
--- a/modules/language/python/module/xml/dom/domreg.py~
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@@ -1,97 +0,0 @@
-"""Registration facilities for DOM. This module should not be used
-directly. Instead, the functions getDOMImplementation and
-registerDOMImplementation should be imported from xml.dom."""
-
-# This is a list of well-known implementations. Well-known names
-# should be published by posting to xml-sig@python.org, and are
-# subsequently recorded in this file.
-
-well_known_implementations = {
- 'minidom':'xml.dom.minidom',
- '4DOM': 'xml.dom.DOMImplementation',
- }
-
-# DOM implementations not officially registered should register
-# themselves with their
-
-registered = {}
-
-def registerDOMImplementation(name, factory):
- """registerDOMImplementation(name, factory)
-
- Register the factory function with the name. The factory function
- should return an object which implements the DOMImplementation
- interface. The factory function can either return the same object,
- or a new one (e.g. if that implementation supports some
- customization)."""
-
- registered[name] = factory
-
-def _good_enough(dom, features):
- "_good_enough(dom, features) -> Return 1 if the dom offers the features"
- for f,v in features:
- if not dom.hasFeature(f,v):
- return 0
- return 1
-
-def getDOMImplementation(name=None, features=()):
- """getDOMImplementation(name = None, features = ()) -> DOM implementation.
-
- Return a suitable DOM implementation. The name is either
- well-known, the module name of a DOM implementation, or None. If
- it is not None, imports the corresponding module and returns
- DOMImplementation object if the import succeeds.
-
- If name is not given, consider the available implementations to
- find one with the required feature set. If no implementation can
- be found, raise an ImportError. The features list must be a sequence
- of (feature, version) pairs which are passed to hasFeature."""
-
- import os
- creator = None
- mod = well_known_implementations.get(name)
- if mod:
- mod = __import__(mod, {}, {}, ['getDOMImplementation'])
- return mod.getDOMImplementation()
- elif name:
- return registered[name]()
- elif "PYTHON_DOM" in os.environ:
- return getDOMImplementation(name = os.environ["PYTHON_DOM"])
-
- # User did not specify a name, try implementations in arbitrary
- # order, returning the one that has the required features
- if isinstance(features, str):
- features = _parse_feature_string(features)
- for creator in registered.values():
- dom = creator()
- if _good_enough(dom, features):
- return dom
-
- for creator in well_known_implementations.keys():
- try:
- dom = getDOMImplementation(name = creator)
- except Exception: # typically ImportError, or AttributeError
- continue
- if _good_enough(dom, features):
- return dom
-
- raise ImportError("no suitable DOM implementation found")
-
-def _parse_feature_string(s):
- features = []
- parts = s.split()
- i = 0
- length = len(parts)
- while i < length:
- feature = parts[i]
- if feature[0] in "0123456789":
- raise ValueError("bad feature name: %r" % (feature,))
- i = i + 1
- version = None
- if i < length:
- v = parts[i]
- if v[0] in "0123456789":
- i = i + 1
- version = v
- features.append((feature, version))
- return tuple(features)