Ad5001/LogarithmPlotter
Ad5001/LogarithmPlotter
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Improving testing of LaTeX configuration.

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This commit is contained in:
Adsooi 2024-09-16 20:01:35 +02:00
parent 4b1cf2cd9d
commit 7b76a8fe08
Signed by: Ad5001
GPG key ID: EF45F9C6AFE20160
3 changed files with 36 additions and 16 deletions
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2
LogarithmPlotter/logarithmplotter.py
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@ -142,7 +142,7 @@ def run():
# Check for LaTeX installation if LaTeX support is enabled
if config.getSetting("enable_latex"):
latex.check_latex_install()
latex.checkLatexInstallation()
# Check for updates
if config.getSetting("check_for_updates"):

2
LogarithmPlotter/qml/eu/ad5001/LogarithmPlotter/js/preferences/general.mjs
View file

@ -36,10 +36,12 @@ class EnableLatex extends BoolSetting {
}
set(value) {
if(!value || Latex.checkLatexInstallation()) {
super.set(value)
Modules.Latex.enabled = value
Modules.Canvas.requestPaint()
}
}
}
export default [

34
LogarithmPlotter/util/latex.py
View file

@ -64,23 +64,34 @@ class Latex(QObject):
QObject.__init__(self)
self.tempdir = tempdir
def check_latex_install(self):
@Property(bool)
def latexSupported(self):
return LATEX_PATH is not None and DVIPNG_PATH is not None
@Slot(result=bool)
def checkLatexInstallation(self):
"""
Checks if the current latex installation is valid.
"""
valid_install = True
if LATEX_PATH is None:
print("No Latex installation found.")
if "--test-build" not in argv:
QMessageBox.warning(None, "LogarithmPlotter - Latex setup",
QCoreApplication.translate("latex", "No Latex installation found.\nIf you already have a latex distribution installed, make sure it's installed on your path.\nOtherwise, you can download a Latex distribution like TeX Live at https://tug.org/texlive/."))
valid_install = False
elif DVIPNG_PATH is None:
print("DVIPNG not found.")
if "--test-build" not in argv:
QMessageBox.warning(None, "LogarithmPlotter - Latex setup", QCoreApplication.translate("latex", "DVIPNG was not found. Make sure you include it from your Latex distribution."))
valid_install = False
else:
try:
self.render("", 14, QColor(0, 0, 0, 255))
except Exception as e:
valid_install = False # Should have sent an error message if failed to render
return valid_install
@Property(bool)
def latexSupported(self):
return LATEX_PATH is not None and DVIPNG_PATH is not None
@Slot(str, float, QColor, result=str)
def render(self, latex_markup: str, font_size: float, color: QColor) -> str:
@ -156,19 +167,26 @@ class Latex(QObject):
out, err = proc.communicate(timeout=2) # 2 seconds is already FAR too long.
if proc.returncode != 0:
# Process errored
output = str(out, 'utf8') + "\n" + str(err, 'utf8')
QMessageBox.warning(None, "LogarithmPlotter - Latex",
QCoreApplication.translate("latex", "An exception occured within the creation of the latex formula.\nProcess '{}' ended with a non-zero return code {}:\n\n{}\nPlease make sure your latex installation is correct and report a bug if so.")
.format(" ".join(process), proc.returncode,
str(out, 'utf8') + "\n" + str(err, 'utf8')))
.format(" ".join(process), proc.returncode, output))
raise Exception("{0} process exited with return code {1}:\n{2}\n{3}".format(" ".join(process), str(proc.returncode), str(out, 'utf8'), str(err, 'utf8')))
except TimeoutExpired as e:
# Process timed out
proc.kill()
out, err = proc.communicate()
output = str(out, 'utf8') + "\n" + str(err, 'utf8')
if 'calligra.sty' in output and 'not found' in output:
# Calligra package not installed.
QMessageBox.warning(None, "LogarithmPlotter - Latex",
QCoreApplication.translate("latex", "Your LaTeX installation does not include the '{}' package. Make sure said package is installed, or disable the LaTeX rendering in LogarithmPlotter.")
.format('calligra'))
else:
QMessageBox.warning(None, "LogarithmPlotter - Latex",
QCoreApplication.translate("latex", "An exception occured within the creation of the latex formula.\nProcess '{}' took too long to finish:\n{}\nPlease make sure your latex installation is correct and report a bug if so.")
.format(" ".join(process), str(out, 'utf8') + "\n" + str(err, 'utf8')))
raise Exception(" ".join(process) + " process timed out:\n" + str(out, 'utf8') + "\n" + str(err, 'utf8'))
.format(" ".join(process), output))
raise Exception(" ".join(process) + " process timed out:\n" + output)
def cleanup(self, export_path):
"""