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import sys
import os
import xml.dom.minidom
doc_cache = {}
class DraftResolution:
# See http://www.unicode.org/cldr/process.html for description
unconfirmed = 'unconfirmed'
provisional = 'provisional'
contributed = 'contributed'
approved = 'approved'
def findChild(parent, tag_name, arg_value, draft=None):
for node in parent.childNodes:
if node.nodeType != node.ELEMENT_NODE:
continue
if node.nodeName != tag_name:
continue
if arg_value:
if not node.attributes.has_key('type'):
continue
if node.attributes['type'].nodeValue != arg_value:
continue
if draft:
if node.attributes.has_key('draft'):
if node.attributes['draft'].nodeValue != draft:
continue
elif draft != DraftResolution.approved:
continue
return node
return False
def _findEntry(file, path, draft=None):
doc = False
if doc_cache.has_key(file):
doc = doc_cache[file]
else:
doc = xml.dom.minidom.parse(file)
doc_cache[file] = doc
elt = doc.documentElement
tag_spec_list = path.split("/")
last_entry = None
if draft is not None:
last_entry = tag_spec_list[-1]
tag_spec_list = tag_spec_list[:-1]
for tag_spec in tag_spec_list:
tag_name = tag_spec
arg_value = ''
left_bracket = tag_spec.find('[')
if left_bracket != -1:
tag_name = tag_spec[:left_bracket]
arg_value = tag_spec[left_bracket+1:-1]
elt = findChild(elt, tag_name, arg_value)
if not elt:
return ""
if last_entry is not None:
elt = findChild(elt, last_entry, '', draft)
if not elt:
return ""
return elt.firstChild.nodeValue
def findAlias(file):
doc = doc_cache[file]
alias_elt = findChild(doc.documentElement, "alias", "")
if not alias_elt:
return False
if not alias_elt.attributes.has_key('source'):
return False
return alias_elt.attributes['source'].nodeValue
def findEntry(base, path, draft=None):
file = base + ".xml"
if os.path.isfile(file):
result = _findEntry(file, path, draft)
if result:
return result
alias = findAlias(file)
if alias:
file = os.path.dirname(base) + "/" + alias + ".xml"
if os.path.isfile(file):
result = _findEntry(file, path, draft)
if result:
return result
file = base[:-3] + ".xml"
if os.path.isfile(file):
result = _findEntry(file, path, draft)
if result:
return result
alias = findAlias(file)
if alias:
file = os.path.dirname(base) + "/" + alias + ".xml"
if os.path.isfile(file):
result = _findEntry(file, path, draft)
if result:
return result
if not draft:
file = os.path.dirname(base) + "/root.xml"
result = _findEntry(file, path, draft)
return result
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