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import zipfile
import contextlib
import os
from .. import results, lists
from .xmlparser import parse_xml
from .document_xml import read_document_xml_element
from .content_types_xml import read_content_types_xml_element
from .relationships_xml import read_relationships_xml_element, Relationships
from .numbering_xml import read_numbering_xml_element, Numbering
from .styles_xml import read_styles_xml_element
from .notes_xml import create_footnotes_reader, create_endnotes_reader
from .files import Files
from . import body_xml
_namespaces = [
("w", "http://schemas.openxmlformats.org/wordprocessingml/2006/main"),
("wp", "http://schemas.openxmlformats.org/drawingml/2006/wordprocessingDrawing"),
("a", "http://schemas.openxmlformats.org/drawingml/2006/main"),
("pic", "http://schemas.openxmlformats.org/drawingml/2006/picture"),
("content-types", "http://schemas.openxmlformats.org/package/2006/content-types"),
("r", "http://schemas.openxmlformats.org/officeDocument/2006/relationships"),
("relationships", "http://schemas.openxmlformats.org/package/2006/relationships"),
("v", "urn:schemas-microsoft-com:vml"),
("mc", "http://schemas.openxmlformats.org/markup-compatibility/2006"),
]
def read(fileobj):
zip_file = zipfile.ZipFile(fileobj)
body_readers = _body_readers(getattr(fileobj, "name"), zip_file)
return _read_notes(zip_file, body_readers).bind(lambda notes:
_read_document(zip_file, body_readers, notes))
def _read_notes(zip_file, body_readers):
empty_result = results.success([])
read_footnotes_xml = create_footnotes_reader(body_readers("footnotes"))
footnotes = _try_read_entry_or_default(
zip_file, "word/footnotes.xml", read_footnotes_xml, default=empty_result)
read_endnotes_xml = create_endnotes_reader(body_readers("endnotes"))
endnotes = _try_read_entry_or_default(
zip_file, "word/endnotes.xml", read_endnotes_xml, default=empty_result)
return results.combine([footnotes, endnotes]).map(lists.collect)
def _read_document(zip_file, body_readers, notes):
with _open_entry(zip_file, "word/document.xml") as document_fileobj:
document_xml = _parse_docx_xml(document_fileobj)
return read_document_xml_element(
document_xml,
body_reader=body_readers("document"),
notes=notes,
)
def _body_readers(document_path, zip_file):
with _open_entry(zip_file, "[Content_Types].xml") as content_types_fileobj:
content_types = read_content_types_xml_element(_parse_docx_xml(content_types_fileobj))
numbering = _try_read_entry_or_default(
zip_file, "word/numbering.xml", read_numbering_xml_element, default=Numbering({}))
with _open_entry(zip_file, "word/styles.xml") as styles_fileobj:
styles = read_styles_xml_element(_parse_docx_xml(styles_fileobj))
def for_name(name):
relationships_path = "word/_rels/{0}.xml.rels".format(name)
relationships = _try_read_entry_or_default(
zip_file, relationships_path, read_relationships_xml_element,
default=Relationships({}))
return body_xml.reader(
numbering=numbering,
content_types=content_types,
relationships=relationships,
styles=styles,
docx_file=zip_file,
files=Files(os.path.dirname(document_path)),
)
return for_name
def _parse_docx_xml(fileobj):
return parse_xml(fileobj, _namespaces)
@contextlib.contextmanager
def _open_entry(zip_file, name):
entry = zip_file.open(name)
try:
yield entry
finally:
entry.close()
def _try_read_entry_or_default(zip_file, name, reader, default):
if _has_entry(zip_file, name):
with _open_entry(zip_file, name) as fileobj:
return reader(_parse_docx_xml(fileobj))
else:
return default
def _has_entry(zip_file, name):
try:
zip_file.getinfo(name)
return True
except KeyError:
return False
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