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1
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import json |
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2
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from collections.abc import Sequence |
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3
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from lxml.etree import QName |
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4
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5
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1 |
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from .environment import DefaultCFDIEnvironment |
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6
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1 |
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from ..xelement import XElement |
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7
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8
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try: |
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9
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import weasyprint |
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10
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11
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PDF_CSS = weasyprint.CSS(string="@page {margin: 1.0cm 1.27cm 1.1cm 0.85cm;}") |
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12
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except OSError as ex: |
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13
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weasyprint = None |
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14
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15
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1 |
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PDF_INIT_TEMPLATE = DefaultCFDIEnvironment.get_template("_init.html") |
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16
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17
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18
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1 |
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def json_write(xlm: XElement, target, pretty_print=False): |
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19
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if isinstance(target, str): |
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20
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with open(target, 'w') as f: |
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21
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json.dump(xlm, f, ensure_ascii=False, default=str, indent=2 if pretty_print else None) |
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22
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return |
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23
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24
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json.dump(xlm, target, ensure_ascii=False, default=str, indent=2 if pretty_print else None) |
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25
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26
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27
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1 |
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def json_str(xlm: XElement, pretty_print=False) -> str: |
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28
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1 |
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return json.dumps(xlm, ensure_ascii=False, default=str, indent=2 if pretty_print else None) |
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29
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30
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31
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1 |
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def html_write(xlm: XElement | Sequence[XElement], target, init_template=PDF_INIT_TEMPLATE): |
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32
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1 |
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if isinstance(xlm, Sequence): |
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33
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1 |
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init_template.stream({"c": [(QName(a.tag).localname, a) for a in xlm], "k": '_multiple'}).dump(target) |
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34
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else: |
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35
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init_template.stream({"c": xlm, "k": QName(xlm.tag).localname}).dump(target) |
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36
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37
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38
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1 |
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def html_str(xlm: XElement | Sequence[XElement], init_template=PDF_INIT_TEMPLATE) -> str: |
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39
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1 |
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if isinstance(xlm, Sequence): |
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40
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1 |
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return init_template.render({"c": [(QName(a.tag).localname, a) for a in xlm], "k": '_multiple'}) |
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41
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else: |
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42
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1 |
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return init_template.render({"c": xlm, "k": QName(xlm.tag).localname}) |
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43
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44
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45
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1 |
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def pdf_write(xlm: XElement | Sequence[XElement], target, init_template=PDF_INIT_TEMPLATE): |
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46
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1 |
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if weasyprint is None: |
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47
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raise ImportError("weasyprint is not installed") |
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48
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49
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1 |
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weasyprint.HTML(string=html_str(xlm, init_template=init_template)).write_pdf( |
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50
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target=target, |
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51
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stylesheets=[PDF_CSS] |
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52
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) |
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53
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54
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1 |
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def pdf_bytes(xlm: XElement | Sequence[XElement], init_template=PDF_INIT_TEMPLATE) -> bytes: |
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55
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if weasyprint is None: |
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56
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raise ImportError("weasyprint is not installed") |
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57
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58
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return weasyprint.HTML(string=html_str(xlm, init_template=init_template)).write_pdf( |
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59
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stylesheets=[PDF_CSS] |
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60
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) |
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61
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SAT-CFDI /
python-satcfdi
