83 lines
2.6 KiB
Python
Executable file
83 lines
2.6 KiB
Python
Executable file
#!/usr/bin/env python
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from __future__ import print_function
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import sys
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import os
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import re
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def append2x(content, dir):
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header = """/* BEGIN 2X BLOCK -- DO NOT EDIT MANUALLY -- USE 2XIZE */
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@media (min-resolution: 1.25dppx) {\n"""
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footer = "\n}\n"
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output = ""
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for line in content.split("\n"):
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matches = re.match('(.+chrome://zotero/skin/)(.+(?<!@2x)\.png)(.+)', line)
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if not matches:
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# Skip lines that are indented but don't reference an image, which are
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# hopefully rule lines
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if re.match('\s', line):
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continue
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# Pass other lines through as is, since those are likely selector lines
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output += line
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continue
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png = matches.group(2)
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png2x = png.replace('.png', '@2x.png')
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if os.path.exists(os.path.join(root_dir, png2x)):
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output += matches.group(1) + png2x + matches.group(3)
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else:
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output += line
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output += "}"
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# Collapse all spaces
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output = re.sub("\s+", " ", output)
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# Add space before and after "{"
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output = re.sub("(?!: ){\s*", " { ", output)
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# Add newline after }
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output = re.sub("}", "}\n", output)
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# Add space before }
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output = re.sub("(?!: )}", " }", output)
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# Strip comments
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output = re.sub("/\*[^*]+\*/", "", output)
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# Remove all blocks without 2x rules
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output = "\n".join(["\t" + line for line in output.split("\n") if "2x.png" in line])
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return header + output + footer
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if __name__ == "__main__":
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if len(sys.argv) < 2:
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print("""Appends 2x image rules to a CSS file for all images with @2x.png versions in the same directory
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Usage: {0} /path/to/css/file [/path/to/image/directory]""".format(sys.argv[0]))
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sys.exit(1)
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css_file = sys.argv[1]
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if not os.path.exists(css_file):
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print("File not found: " + css_file)
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sys.exit(1)
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try:
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root_dir = sys.argv[2]
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if not os.path.exists(root_dir):
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print("Directory not found: " + root_dir)
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sys.exit(1)
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if not os.path.isdir(root_dir):
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print("{0} is not a directory".format(root_dir))
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sys.exit(1)
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except IndexError:
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root_dir = os.path.dirname(os.path.realpath(css_file))
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# Get file contents through 2x block, which has to be at the end
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css = ""
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with open(css_file) as f:
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for line in f:
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if "BEGIN 2X BLOCK" in line:
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break
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css += line
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css = css.strip()
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# Add 2x block
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css += "\n\n\n" + append2x(css, root_dir)
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with open(css_file, 'w') as f:
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f.write(css)
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