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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
from secretary import Renderer
from lxml import etree
from xml.dom.minidom import parseString
from xml.parsers.expat import ExpatError, ErrorString
from datetime import datetime
import locale
from num2words import num2words
from PIL import Image
import re
from django.conf import settings
def set_locale():
language_code = settings.LANGUAGE_CODE.split("-")
language_code = language_code[0] + "_" + language_code[1].upper()
for language_suffix in (".utf8", ""):
try:
locale.setlocale(locale.LC_TIME, language_code + language_suffix)
break
except locale.Error:
pass
RE_UNITS = re.compile("([.0-9]+)([a-z]+)")
def parse_value_unit(value):
m = RE_UNITS.match(value)
if not m:
return None, None
value, unit = m.groups()
value = float(value)
return value, unit
def float_format(value):
"""
10350.5 -> 10 350,5
5 -> 5
5.449999 -> 5,45
"""
if value is None or value == "":
return ""
try:
value = float(value)
except ValueError:
return ""
locale.setlocale(locale.LC_ALL, "fr_FR.UTF-8")
if int(value) != value:
value = float(f"{value:.2f}")
return f"{value:n}"
def euro_format(value):
"""
15000 -> 15 000,00 €
5 -> 5,00 €
"""
value = float_format(value)
if not value:
return ""
parts = value.split(",")
if len(parts) < 2:
return value + ",00 €"
elif len(parts[1]) == 1:
return value + "0 €"
return value + " €"
def number_to_words(value):
if value is None or value == "":
return ""
try:
value = float(value)
except ValueError:
return ""
return num2words(value, lang=settings.LANGUAGE_CODE.split("-")[0])
def replace_line_breaks(value):
return (value or "").replace("\r\n", "\n")
def capfirst_filter(value):
return value[0].upper() + value[1:] if value else value
def lowerfirst_filter(value):
return value[0].lower() + value[1:] if value else value
def add_filter(value1, value2):
try:
return float(value1 or 0) + float(value2 or 0)
except ValueError:
return 0
def sub_filter(value1, value2):
try:
return float(value1 or 0) - float(value2 or 0)
except ValueError:
return 0
def multiply_filter(value1, value2):
try:
return float(value1 or 0) * float(value2 or 0)
except ValueError:
return 0
RE_CAP = re.compile(r"[^-' ]+")
SEP = ("un", "une", "le", "la", "les", "lez", "d", "l", "de", "des", "du", "sur", "sous", "en")
def capitalize_filter(value):
if not value:
return ""
value = value.lower()
res = ""
for m in RE_CAP.finditer(value):
start = m.start()
if start:
res += value[start - 1]
v = m.group()
if v not in SEP:
v = v[0].upper() + v[1:]
res += v
return res
def human_date_filter(value):
try:
value = datetime.strptime(value, "%Y-%m-%d")
except (ValueError, TypeError) as __:
return ""
set_locale()
return value.strftime(settings.DATE_FORMAT)
def splitpart(value, index, index_end=None, char=",", merge_character=None):
if index_end:
try:
index_end = int(index_end)
if not merge_character: # merge is assumed
merge_character = char
except ValueError:
# old filter use - manage compatibility
merge_character = char
char = index_end
index_end = None
if not value or (not index and index != 0):
return ""
if merge_character is True: # old filter use
merge_character = char
splited = value.split(char)
if len(splited) <= index:
return ""
if not merge_character:
return splited[index]
if index_end:
splited = splited[index:index_end]
else:
splited = splited[index:]
return merge_character.join(splited)
class IshtarSecretaryRenderer(Renderer):
def __init__(self, *args, **kwargs):
super(IshtarSecretaryRenderer, self).__init__(*args, **kwargs)
self.media_callback = self.ishtar_media_loader
self.media_path = settings.MEDIA_ROOT
self.environment.filters["human_date"] = human_date_filter
self.environment.filters["capfirst"] = capfirst_filter
self.environment.filters["lowerfirst"] = lowerfirst_filter
self.environment.filters["capitalize"] = capitalize_filter
self.environment.filters["float_format"] = float_format
self.environment.filters["euro_format"] = euro_format
self.environment.filters["number_to_words"] = number_to_words
self.environment.filters["replace_line_breaks"] = replace_line_breaks
self.environment.filters["splitpart"] = splitpart
self.environment.filters["multiply"] = multiply_filter
self.environment.filters["add"] = add_filter
self.environment.filters["sub"] = sub_filter
def ishtar_media_loader(self, media, *args, **kwargs):
res = self.fs_loader(media, *args, **kwargs)
if not res or not res[0]:
return
image_file, mime = res
if "width" in kwargs:
kwargs["frame_attrs"]["svg:width"] = kwargs["width"]
if "height" in kwargs:
kwargs["frame_attrs"]["svg:height"] = kwargs["height"]
if "keep_ratio" in args:
image = Image.open(image_file.name)
width, width_unit = parse_value_unit(kwargs["frame_attrs"]["svg:width"])
height, height_unit = parse_value_unit(kwargs["frame_attrs"]["svg:height"])
if "height" not in kwargs and width:
new_height = width * image.height / image.width
kwargs["frame_attrs"]["svg:height"] = "{}{}".format(
new_height, width_unit
)
if "width" not in kwargs and height:
new_width = height * image.width / image.height
kwargs["frame_attrs"]["svg:width"] = "{}{}".format(
new_width, height_unit
)
return image_file, mime
def _render_xml(self, xml_document, **kwargs):
# Prepare the xml object to be processed by jinja2
self.log.debug("Rendering XML object")
template_string = ""
try:
self.template_images = dict()
self._prepare_document_tags(xml_document)
xml_source = xml_document.toxml()
xml_source = xml_source.encode("ascii", "xmlcharrefreplace")
jinja_template = self.environment.from_string(
self._unescape_entities(xml_source.decode("utf-8"))
)
result = jinja_template.render(**kwargs)
# try to fix xml with mismatched tags
parser = etree.XMLParser(recover=True)
recovered_xml = etree.fromstring(result.encode("ascii", "xmlcharrefreplace"), parser)
final_xml = parseString(etree.tostring(recovered_xml))
if self.template_images:
self.replace_images(final_xml)
return final_xml
except ExpatError as e:
if "result" not in locals():
result = xml_source
### changes
try:
near = result.split("\n")[e.lineno - 1][e.offset - 500 : e.offset + 500]
except IndexError:
near = "..."
print(result)
### endchanges
raise ExpatError(
'ExpatError "%s" at line %d, column %d\nNear of: "[...]%s[...]"'
% (ErrorString(e.code), e.lineno, e.offset, near)
)
except:
self.log.error(
"Error rendering template:\n%s",
xml_document.toprettyxml(),
exc_info=True,
)
self.log.error("Unescaped template was:\n{0}".format(template_string))
raise
finally:
self.log.debug("Rendering xml object finished")
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