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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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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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1 |
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from .render.environment import CFDIEnvironment |
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11
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12
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13
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1 |
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class Representable: |
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14
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1 |
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tag = None |
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15
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16
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1 |
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def html_write(self, target, templates_path=None): |
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17
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if templates_path: |
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18
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env = CFDIEnvironment(templates_path=templates_path) |
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19
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init_template = env.get_template("_init.html") |
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20
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else: |
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21
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init_template = PDF_INIT_TEMPLATE |
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22
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23
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init_template.stream({"c": self, "k": QName(self.tag).localname}).dump(target) |
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24
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25
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1 |
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def html_str(self, templates_path=None) -> str: |
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26
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1 |
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if templates_path: |
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27
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1 |
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env = CFDIEnvironment(templates_path=templates_path) |
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28
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1 |
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init_template = env.get_template("_init.html") |
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29
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else: |
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30
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1 |
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init_template = PDF_INIT_TEMPLATE |
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31
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32
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1 |
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return init_template.render({"c": self, "k": QName(self.tag).localname}) |
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33
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34
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1 |
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def pdf_write(self, target, templates_path=None): |
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35
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1 |
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if weasyprint is None: |
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36
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raise ImportError("weasyprint is not installed") |
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37
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38
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1 |
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weasyprint.HTML(string=self.html_str(templates_path=templates_path)).write_pdf( |
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39
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target=target, |
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40
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stylesheets=[PDF_CSS] |
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41
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) |
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42
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43
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1 |
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def pdf_bytes(self, templates_path=None) -> bytes: |
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44
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if weasyprint is None: |
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45
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raise ImportError("weasyprint is not installed") |
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46
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47
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return weasyprint.HTML(string=self.html_str(templates_path=templates_path)).write_pdf( |
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48
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stylesheets=[PDF_CSS] |
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49
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) |
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50
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51
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1 |
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@staticmethod |
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52
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1 |
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def html_write_all(objs, target, templates_path=None): |
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53
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1 |
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if templates_path: |
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54
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env = CFDIEnvironment(templates_path=templates_path) |
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55
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init_template = env.get_template("_multiple.html") |
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56
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else: |
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57
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1 |
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init_template = PDF_INIT_TEMPLATE |
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58
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59
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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) |
|
60
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|
61
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1 |
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@staticmethod |
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62
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1 |
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def html_str_all(objs, templates_path=None) -> str: |
|
63
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1 |
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if templates_path: |
|
64
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env = CFDIEnvironment(templates_path=templates_path) |
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65
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init_template = env.get_template("_multiple.html") |
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66
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else: |
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67
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1 |
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init_template = PDF_INIT_TEMPLATE |
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68
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69
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return init_template.render({"c": [(QName(a.tag).localname, a) for a in objs], "k": '_multiple'}) |
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70
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SAT-CFDI /
python-satcfdi
