@@ -161,10 +161,9 @@ def get_basefile(self, tex, fontsize, dpi=None):
161161"""
162162 Return a filename based on a hash of the string, fontsize, and dpi.
163163 """
164- s = '' .join ([tex ,self .get_font_config (),'%f' % fontsize ,
165- self .get_custom_preamble (),str (dpi or '' )])
164+ src = self ._get_tex_source (tex ,fontsize )+ str (dpi )
166165return os .path .join (
167- self .texcache ,hashlib .md5 (s .encode ('utf-8' )).hexdigest ())
166+ self .texcache ,hashlib .md5 (src .encode ('utf-8' )).hexdigest ())
168167
169168def get_font_preamble (self ):
170169"""
@@ -176,7 +175,13 @@ def get_custom_preamble(self):
176175"""Return a string containing user additions to the tex preamble."""
177176return rcParams ['text.latex.preamble' ]
178177
179- def _get_preamble (self ):
178+ def _get_tex_source (self ,tex ,fontsize ):
179+ """Return the complete TeX source for processing a TeX string."""
180+ self .get_font_config ()# Updates self._font_preamble.
181+ baselineskip = 1.25 * fontsize
182+ fontcmd = (r'\sffamily' if self ._font_family == 'sans-serif' else
183+ r'\ttfamily' if self ._font_family == 'monospace' else
184+ r'\rmfamily' )
180185return "\n " .join ([
181186r"\documentclass{article}" ,
182187# Pass-through \mathdefault, which is used in non-usetex mode to
@@ -196,6 +201,15 @@ def _get_preamble(self):
196201# Custom packages (e.g. newtxtext) may already have loaded textcomp
197202# with different options.
198203_usepackage_if_not_loaded ("textcomp" ),
204+ r"\pagestyle{empty}" ,
205+ r"\begin{document}" ,
206+ r"% The empty hbox ensures that a page is printed even for empty " ,
207+ r"% inputs, except when using psfrag which gets confused by it." ,
208+ r"\fontsize{%f}{%f}%%" % (fontsize ,baselineskip ),
209+ r"\ifdefined\psfrag\else\hbox{}\fi%" ,
210+ r"{\obeylines%s %s}\special{matplotlibbaselinemarker}"
211+ % (fontcmd ,tex ),
212+ r"\end{document}" ,
199213 ])
200214
201215def make_tex (self ,tex ,fontsize ):
@@ -204,30 +218,8 @@ def make_tex(self, tex, fontsize):
204218
205219 Return the file name.
206220 """
207- basefile = self .get_basefile (tex ,fontsize )
208- texfile = '%s.tex' % basefile
209- fontcmd = (r'\sffamily' if self ._font_family == 'sans-serif' else
210- r'\ttfamily' if self ._font_family == 'monospace' else
211- r'\rmfamily' )
212- tex_template = r"""
213- %(preamble)s
214- \pagestyle{empty}
215- \begin{document}
216- %% The empty hbox ensures that a page is printed even for empty inputs, except
217- %% when using psfrag which gets confused by it.
218- \fontsize{%(fontsize)f}{%(baselineskip)f}%%
219- \ifdefined\psfrag\else\hbox{}\fi%%
220- {\obeylines%(fontcmd)s %(tex)s}\special{matplotlibbaselinemarker}
221- \end{document}
222- """
223- Path (texfile ).write_text (tex_template % {
224- "preamble" :self ._get_preamble (),
225- "fontsize" :fontsize ,
226- "baselineskip" :fontsize * 1.25 ,
227- "fontcmd" :fontcmd ,
228- "tex" :tex ,
229- },encoding = "utf-8" )
230-
221+ texfile = self .get_basefile (tex ,fontsize )+ ".tex"
222+ Path (texfile ).write_text (self ._get_tex_source (tex ,fontsize ))
231223return texfile
232224
233225def _run_checked_subprocess (self ,command ,tex ,* ,cwd = None ):