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import io
from zipfile import ZipFile
from nose.tools import istest, assert_equal
from mammoth.docx.style_map import write_style_map, read_style_map
from mammoth.zips import open_zip
from mammoth.docx import xmlparser as xml
@istest
def reading_embedded_style_map_on_document_without_embedded_style_map_returns_none():
fileobj = _normal_docx()
assert_equal(None, read_style_map(fileobj))
@istest
def writing_style_map_preserves_unrelated_files():
fileobj = _normal_docx()
write_style_map(fileobj, "p => h1")
with open_zip(fileobj, "r") as zip_file:
assert_equal("placeholder", zip_file.read_str("placeholder"))
@istest
def embedded_style_map_can_be_read_after_being_written():
fileobj = _normal_docx()
write_style_map(fileobj, "p => h1")
assert_equal("p => h1", read_style_map(fileobj))
@istest
def embedded_style_map_is_written_to_separate_file():
fileobj = _normal_docx()
write_style_map(fileobj, "p => h1")
with open_zip(fileobj, "r") as zip_file:
assert_equal("p => h1", zip_file.read_str("mammoth/style-map"))
@istest
def embedded_style_map_is_referenced_in_relationships():
fileobj = _normal_docx()
write_style_map(fileobj, "p => h1")
assert_equal(expected_relationships_xml, _read_relationships_xml(fileobj))
@istest
def embedded_style_map_has_override_content_type_in_content_types_xml():
fileobj = _normal_docx()
write_style_map(fileobj, "p => h1")
assert_equal(expected_content_types_xml, _read_content_types_xml(fileobj))
@istest
def can_overwrite_existing_style_map():
fileobj = _normal_docx()
write_style_map(fileobj, "p => h1")
write_style_map(fileobj, "p => h2")
with open_zip(fileobj, "r") as zip_file:
assert_equal("p => h2", read_style_map(fileobj))
_assert_no_duplicates(zip_file._zip_file.namelist())
assert_equal(expected_relationships_xml, _read_relationships_xml(fileobj))
assert_equal(expected_content_types_xml, _read_content_types_xml(fileobj))
def _read_relationships_xml(fileobj):
with open_zip(fileobj, "r") as zip_file:
return xml.parse_xml(
io.StringIO(zip_file.read_str("word/_rels/document.xml.rels")),
[("r", "http://schemas.openxmlformats.org/package/2006/relationships")],
)
def _read_content_types_xml(fileobj):
with open_zip(fileobj, "r") as zip_file:
return xml.parse_xml(
io.StringIO(zip_file.read_str("[Content_Types].xml")),
[("ct", "http://schemas.openxmlformats.org/package/2006/content-types")],
)
original_relationships_xml = ('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' +
'<Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships">' +
'<Relationship Id="rId3" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings" Target="settings.xml"/>' +
'</Relationships>')
expected_relationships_xml = xml.element("r:Relationships", {}, [
xml.element("r:Relationship", {"Id": "rId3", "Type": "http://schemas.openxmlformats.org/officeDocument/2006/relationships/settings", "Target": "settings.xml"}),
xml.element("r:Relationship", {"Id": "rMammothStyleMap", "Type": "http://schemas.zwobble.org/mammoth/style-map", "Target": "/mammoth/style-map"}),
])
original_content_types_xml = ('<?xml version="1.0" encoding="UTF-8" standalone="yes"?>' +
'<Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types">' +
'<Default Extension="png" ContentType="image/png"/>' +
'</Types>'
)
expected_content_types_xml = xml.element("ct:Types", {}, [
xml.element("ct:Default", {"Extension": "png", "ContentType": "image/png"}),
xml.element("ct:Override", {"PartName": "/mammoth/style-map", "ContentType": "text/prs.mammoth.style-map"}),
])
def _normal_docx():
fileobj = io.BytesIO()
zip_file = ZipFile(fileobj, "w")
try:
zip_file.writestr("placeholder", "placeholder")
zip_file.writestr("word/_rels/document.xml.rels", original_relationships_xml)
zip_file.writestr("[Content_Types].xml", original_content_types_xml)
expected_relationships_xml
finally:
zip_file.close()
return fileobj
def _assert_no_duplicates(values):
counts = {}
for value in values:
counts[value] = counts.get(value, 0) + 1
for value, count in counts.items():
if count != 1:
assert False, "{0} has count of {1}".format(value, count)
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