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1
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1 |
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from lxml.etree import QName |
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2
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3
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1 |
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try: |
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4
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1 |
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import weasyprint |
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5
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1 |
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PDF_CSS = weasyprint.CSS(string="@page {margin: 1.0cm 1.27cm 1.1cm 0.85cm;}") |
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6
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except OSError as ex: |
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7
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weasyprint = None |
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8
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9
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1 |
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from .render import PDF_INIT_TEMPLATE |
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10
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11
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12
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1 |
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class Representable: |
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13
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1 |
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tag = None |
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14
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15
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1 |
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def html_write(self, target, init_template=PDF_INIT_TEMPLATE): |
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16
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init_template.stream({"c": self, "k": QName(self.tag).localname}).dump(target) |
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17
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18
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1 |
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def html_str(self, init_template=PDF_INIT_TEMPLATE) -> str: |
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19
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1 |
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return init_template.render({"c": self, "k": QName(self.tag).localname}) |
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20
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21
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1 |
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def pdf_write(self, target, init_template=PDF_INIT_TEMPLATE): |
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22
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1 |
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if weasyprint is None: |
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23
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raise ImportError("weasyprint is not installed") |
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24
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25
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1 |
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weasyprint.HTML(string=self.html_str(init_template=init_template)).write_pdf( |
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26
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target=target, |
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27
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stylesheets=[PDF_CSS] |
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28
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) |
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29
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30
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1 |
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def pdf_bytes(self, init_template=PDF_INIT_TEMPLATE) -> bytes: |
|
31
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if weasyprint is None: |
|
32
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raise ImportError("weasyprint is not installed") |
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33
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|
34
|
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return weasyprint.HTML(string=self.html_str(init_template=init_template)).write_pdf( |
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35
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stylesheets=[PDF_CSS] |
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36
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) |
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37
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38
|
1 |
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@staticmethod |
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39
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1 |
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def html_write_all(objs, target, init_template=PDF_INIT_TEMPLATE): |
|
40
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1 |
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init_template.stream({"c": [(QName(a.tag).localname, a) for a in objs], "k": '_multiple'}).dump(target) |
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41
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|
42
|
1 |
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@staticmethod |
|
43
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1 |
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def html_str_all(objs, init_template=PDF_INIT_TEMPLATE) -> str: |
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44
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1 |
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return init_template.render({"c": [(QName(a.tag).localname, a) for a in objs], "k": '_multiple'}) |
|
45
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46
|
1 |
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@staticmethod |
|
47
|
1 |
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def pdf_write_all(objs, target, init_template=PDF_INIT_TEMPLATE): |
|
48
|
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if weasyprint is None: |
|
49
|
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raise ImportError("weasyprint is not installed") |
|
50
|
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|
|
51
|
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weasyprint.HTML(string=Representable.html_str_all(objs, init_template=init_template)).write_pdf( |
|
52
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target=target, |
|
53
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stylesheets=[PDF_CSS] |
|
54
|
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) |
|
55
|
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|
56
|
1 |
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@staticmethod |
|
57
|
1 |
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def pdf_bytes_all(objs, init_template=PDF_INIT_TEMPLATE) -> bytes: |
|
58
|
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if weasyprint is None: |
|
59
|
|
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raise ImportError("weasyprint is not installed") |
|
60
|
|
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|
|
61
|
|
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return weasyprint.HTML(string=Representable.html_str_all(objs, init_template=init_template)).write_pdf( |
|
62
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stylesheets=[PDF_CSS] |
|
63
|
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) |
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64
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SAT-CFDI /
python-satcfdi
