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Use the draft option for microtype

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Instead of redefining \usepackage for avoiding the microtype package
when generating previews in dvi mode, the draft option can be used
for disabling it. This also allows to somewhat simplify the
fix_latex_file function.
This commit is contained in:
Enrico Forestieri 2015-06-20 21:58:19 +02:00
parent cabc7c4be1
commit dd09a5cabc
1 changed files with 21 additions and 47 deletions
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68
lib/scripts/lyxpreview2bitmap.py
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@ -160,59 +160,33 @@ def extract_metrics_info(dvipng_stdout):
def fix_latex_file(latex_file, pdf_output):
documentclass_re = re.compile("(\\\\documentclass\[)(1[012]pt,?)(.+)")
def_re = re.compile(r"(\\newcommandx|\\global\\long\\def)(\\[a-zA-Z]+)(.+)")
usepackage_re = re.compile("\\\\usepackage")
userpreamble_re = re.compile("User specified LaTeX commands")
enduserpreamble_re = re.compile("\\\\makeatother")
def_re = re.compile(r"(\\newcommandx|\\global\\long\\def)(\\[a-zA-Z]+)")
tmp = mkstemp()
in_user_preamble = 0
usepkg = 0
changed = 0
changed = False
macros = []
for line in open(latex_file, 'r').readlines():
match = documentclass_re.match(line)
if match != None:
changed = 1
tmp.write("%s%s\n" % (match.group(1), match.group(3)))
continue
if not pdf_output and not usepkg:
if userpreamble_re.search(line) != None:
in_user_preamble = 1
elif enduserpreamble_re.search(line) != None:
in_user_preamble = 0
if usepackage_re.match(line) != None and in_user_preamble:
usepkg = 1
changed = 1
tmp.write("\\def\\t@a{microtype}\n")
tmp.write("\\let\\oldusepkg\\usepackage\n")
tmp.write("\\def\\usepackage{\\@ifnextchar[\\@usepkg{\\@usepkg[]}}\n")
tmp.write("\\def\\@usepkg[#1]#2{\\@ifnextchar[")
tmp.write("{\\@@usepkg[#1]{#2}}{\\@@usepkg[#1]{#2}[]}}\n")
tmp.write("\\def\@@usepkg[#1]#2[#3]{\\def\\t@b{#2}")
tmp.write("\\ifx\\t@a\\t@b\\else\\oldusepkg[#1]{#2}[#3]\\fi}\n")
tmp.write(line)
continue
match = def_re.match(line)
if match == None:
tmp.write(line)
continue
macroname = match.group(2)
if not macroname in macros:
macros.append(macroname)
tmp.write(line)
continue
definecmd = match.group(1)
if definecmd == "\\global\\long\\def":
tmp.write(line)
if line.startswith("\\documentclass"):
match = documentclass_re.match(line)
if match != None:
changed = True
line = match.group(1) + match.group(3) + "\n"
if not pdf_output:
changed = True
line += "\\PassOptionsToPackage{draft}{microtype}\n"
else:
changed = 1
tmp.write("\\renewcommandx%s%s\n" % (match.group(2), match.group(3)))
match = def_re.match(line)
if match != None:
macroname = match.group(2)
if macroname in macros:
definecmd = match.group(1)
if definecmd == "\\newcommandx":
changed = True
line = line.replace(definecmd, "\\renewcommandx")
else:
macros.append(macroname)
tmp.write(line)
if changed:
copyfileobj(tmp, open(latex_file,"wb"), 1)