Merge pull request #4 from davidfischer/davidfischer/use-cairosvg-to-…

…pdfs

Use CairoSVG to generate PDFs

README.md

@@ -28,11 +28,11 @@ It requires Python 3.6+ and has a few dependencies.
 
 
     pip install -r requirements.txt  # Install dependencies
-    python label-generator.py        # Creates files in output/
+    python label-generator.py        # Creates SVG & PDF files in output/
 
-By default, this will create one or more SVG files.
-These files are vector image files that can be customized further
-or printed using most modern browsers and many other tools.
+By default, this will create SVG & PDF files.
+The SVG files are vector image files that can be customized further.
+The PDF files are ready to print.
 
 The SVGs use the free fonts [EB Garamond][garamond] bold and [Source Sans Pro][source-sans] regular.
 
@@ -41,16 +41,6 @@ The SVGs use the free fonts [EB Garamond][garamond] bold and [Source Sans Pro][s
 [source-sans]: https://fonts.google.com/specimen/Source+Sans+Pro
 
 
-### Tips for printing
-
-The output SVGs are precisely sized for a sheet of paper (US Letter by default).
-Make sure while printing in your browser or otherwise to set the margins to None.
-
-<img src="readme-img/browser-printing.png">
-
-You can also "print" to a PDF.
-
-
 ### Customizing
 
 A lot of features can be customized by changing constants at the top of `label-generator.py`.
@@ -66,6 +56,19 @@ You can change how the labels are actually displayed and rendered by customizing
 If you change the fonts, you may also need to resize things to fit.
 
 
+### Tips for printing SVGs
+
+If you're just using the default PDFs, you probably won't need this.
+However, if you are customizing the SVGs and printing them, this section is for you.
+
+The output SVGs are precisely sized for a sheet of paper (US Letter by default).
+Make sure while printing in your browser or otherwise to set the margins to None.
+
+<img src="readme-img/browser-printing.png">
+
+You can also "print" to a PDF.
+
+
 ## License
 
 The code is available at [GitHub][home] under the [MIT license][license].

label-generator.py

@@ -2,15 +2,17 @@
 import os
 import subprocess
 from datetime import datetime
+from pathlib import Path
 
+import cairosvg
 import jinja2
 import requests
 
 
-BASE_DIR = os.path.abspath(os.path.dirname(os.path.abspath(__file__)))
+BASE_DIR = Path(os.path.abspath(os.path.dirname(__file__)))
 
 ENV = jinja2.Environment(
-    loader=jinja2.FileSystemLoader(os.path.join(BASE_DIR, "templates")),
+    loader=jinja2.FileSystemLoader(BASE_DIR / "templates"),
     autoescape=jinja2.select_autoescape(["html", "xml"]),
 )
 
@@ -93,7 +95,7 @@
 
 class LabelGenerator:
 
-    DEFAULT_OUTPUT_DIR = os.path.join(BASE_DIR, "output")
+    DEFAULT_OUTPUT_DIR = BASE_DIR / "output"
 
     COLS = 4
     ROWS = 15
@@ -118,7 +120,7 @@ def __init__(self, paper_size=None, output_dir=None):
         self.delta_x = (self.width - (2 * self.MARGIN)) / self.COLS
         self.delta_y = (self.height - (2 * self.MARGIN)) / self.ROWS
 
-        self.output_dir = output_dir or DEFAULT_OUTPUT_DIR
+        self.output_dir = Path(output_dir or DEFAULT_OUTPUT_DIR)
 
         # Set data from scryfall
         self.set_data = self.get_set_data()
@@ -140,13 +142,21 @@ def generate_labels(self):
                 WIDTH=self.width,
                 HEIGHT=self.height,
             )
-            outfile = os.path.join(
-                self.output_dir, f"labels-{self.paper_size}-{page:02}.svg"
+            outfile_svg = self.output_dir / f"labels-{self.paper_size}-{page:02}.svg"
+            outfile_pdf = str(
+                self.output_dir / f"labels-{self.paper_size}-{page:02}.pdf"
             )
-            print(f"Writing {outfile}...")
-            with open(outfile, "w") as fd:
+
+            print(f"Writing {outfile_svg}...")
+            with open(outfile_svg, "w") as fd:
                 fd.write(output)
 
+            print(f"Writing {outfile_pdf}...")
+            with open(outfile_svg, "rb") as fd:
+                cairosvg.svg2pdf(
+                    file_obj=fd, write_to=outfile_pdf,
+                )
+
             page += 1
 
     def get_set_data(self):
@@ -259,7 +269,7 @@ def create_vertical_cutting_guides(self):
     parser.add_argument(
         "--output-dir",
         default=LabelGenerator.DEFAULT_OUTPUT_DIR,
-        help='Output labels to this directory',
+        help="Output labels to this directory",
     )
     parser.add_argument(
         "--paper-size",

requirements.txt

@@ -1,5 +1,6 @@
 Jinja2==2.11.3
 requests==2.22.0
+CairoSVG==2.5.2
 
 # For development only
 black==19.10b0