@@ -279,11 +279,9 @@ def make_dvi(cls, tex, fontsize):
279279
280280 Return the file name.
281281 """
282- basefile = cls .get_basefile (tex ,fontsize )
283- dvifile = '%s.dvi' % basefile
284- if not os .path .exists (dvifile ):
285- texfile = Path (cls .make_tex (tex ,fontsize ))
286- # Generate the dvi in a temporary directory to avoid race
282+ dvifile = Path (cls .get_basefile (tex ,fontsize )).with_suffix (".dvi" )
283+ if not dvifile .exists ():
284+ # Generate the tex and dvi in a temporary directory to avoid race
287285# conditions e.g. if multiple processes try to process the same tex
288286# string at the same time. Having tmpdir be a subdirectory of the
289287# final output dir ensures that they are on the same filesystem,
@@ -292,15 +290,17 @@ def make_dvi(cls, tex, fontsize):
292290# the absolute path may contain characters (e.g. ~) that TeX does
293291# not support; n.b. relative paths cannot traverse parents, or it
294292# will be blocked when `openin_any = p` in texmf.cnf).
295- cwd = Path ( dvifile ) .parent
296- with TemporaryDirectory ( dir = cwd ) as tmpdir :
297- tmppath = Path ( tmpdir )
293+ with TemporaryDirectory ( dir = dvifile .parent ) as tmpdir :
294+ Path ( tmpdir , "file.tex" ). write_text (
295+ cls . _get_tex_source ( tex , fontsize ), encoding = 'utf-8' )
298296cls ._run_checked_subprocess (
299297 ["latex" ,"-interaction=nonstopmode" ,"--halt-on-error" ,
300- f"--output-directory={ tmppath .name } ,
301- f"{ texfile .name } ],tex ,cwd = cwd )
302- (tmppath / Path (dvifile ).name ).replace (dvifile )
303- return dvifile
298+ "file.tex" ],tex ,cwd = tmpdir )
299+ Path (tmpdir ,"file.dvi" ).replace (dvifile )
300+ # Also move the tex source to the main cache directory, but
301+ # only for backcompat.
302+ Path (tmpdir ,"file.tex" ).replace (dvifile .with_suffix (".tex" ))
303+ return str (dvifile )
304304
305305@classmethod
306306def make_png (cls ,tex ,fontsize ,dpi ):
@@ -309,22 +309,23 @@ def make_png(cls, tex, fontsize, dpi):
309309
310310 Return the file name.
311311 """
312- basefile = cls .get_basefile (tex ,fontsize ,dpi )
313- pngfile = '%s.png' % basefile
312+ pngfile = Path (cls .get_basefile (tex ,fontsize )).with_suffix (".png" )
314313# see get_rgba for a discussion of the background
315- if not os . path . exists (pngfile ):
314+ if not pngfile . exists ():
316315dvifile = cls .make_dvi (tex ,fontsize )
317- cmd = ["dvipng" ,"-bg" ,"Transparent" ,"-D" ,str (dpi ),
318- "-T" ,"tight" ,"-o" ,pngfile ,dvifile ]
319- # When testing, disable FreeType rendering for reproducibility; but
320- # dvipng 1.16 has a bug (fixed in f3ff241) that breaks --freetype0
321- # mode, so for it we keep FreeType enabled; the image will be
322- # slightly off.
323- if (getattr (mpl ,"_called_from_pytest" ,False )and
324- mpl ._get_executable_info ("dvipng" ).raw_version != "1.16" ):
325- cmd .insert (1 ,"--freetype0" )
326- cls ._run_checked_subprocess (cmd ,tex )
327- return pngfile
316+ with TemporaryDirectory (dir = pngfile .parent )as tmpdir :
317+ cmd = ["dvipng" ,"-bg" ,"Transparent" ,"-D" ,str (dpi ),
318+ "-T" ,"tight" ,"-o" ,"file.png" ,dvifile ]
319+ # When testing, disable FreeType rendering for reproducibility;
320+ # but dvipng 1.16 has a bug (fixed in f3ff241) that breaks
321+ # --freetype0 mode, so for it we keep FreeType enabled; the
322+ # image will be slightly off.
323+ if (getattr (mpl ,"_called_from_pytest" ,False )and
324+ mpl ._get_executable_info ("dvipng" ).raw_version != "1.16" ):
325+ cmd .insert (1 ,"--freetype0" )
326+ cls ._run_checked_subprocess (cmd ,tex ,cwd = tmpdir )
327+ Path (tmpdir ,"file.png" ).replace (pngfile )
328+ return str (pngfile )
328329
329330@classmethod
330331def get_grey (cls ,tex ,fontsize = None ,dpi = None ):