def createImage(self, tempFileSet, exportType, source, insParams):
"""
"""
# Retrieve quoted content of the insertion
if self.extAppExe == "":
# No path to executable -> show message
return u"Please set path to GraphViz executables in options", None
# Get exporters temporary file set (manages creation and deletion of
# temporary files)
tfs = tempFileSet
source = lineendToOs(utf8Enc(source, "replace")[0])
pythonUrl = (exportType != "html_previewWX")
dstFullPath = tfs.createTempFile("", ".png", relativeTo="")
url = tfs.getRelativeUrl(None, dstFullPath, pythonUrl=pythonUrl)
# Store token content in a temporary file
srcfilepath = createTempFile(source, ".dot")
try:
cmdline = subprocess.list2cmdline(
(self.extAppExe, "-Tpng", "-o" + dstFullPath, srcfilepath))
# Run external application
# childIn, childOut, childErr = os.popen3(cmdline, "b")
popenObject = subprocess.Popen(cmdline,
shell=True,
stderr=subprocess.PIPE,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE)
childErr = popenObject.stderr
# See http://bytes.com/topic/python/answers/634409-subprocess-handle-invalid-error
# why this is necessary
popenObject.stdin.close()
popenObject.stdout.close()
if u"noerror" in [a.strip() for a in insParams]:
childErr.read()
errResponse = None
else:
errResponse = childErr.read()
childErr.close()
finally:
os.unlink(srcfilepath)
if errResponse is not None and errResponse != "":
appname = mbcsDec(self.EXAPPNAME, "replace")[0]
errResponse = mbcsDec(errResponse, "replace")[0]
return (_(u"%s Error: %s") % (appname, errResponse)), None
return None, url
def createImage(self, tempFileSet, exportType, source, insParams):
"""
"""
# Retrieve quoted content of the insertion
if self.extAppExe == "":
# No path to executable -> show message
return "Please set path to GraphViz executables in options", None
# Get exporters temporary file set (manages creation and deletion of
# temporary files)
tfs = tempFileSet
source = lineendToOs(utf8Enc(source, "replace")[0])
pythonUrl = (exportType != "html_previewWX")
dstFullPath = tfs.createTempFile("", ".png", relativeTo="")
url = tfs.getRelativeUrl(None, dstFullPath, pythonUrl=pythonUrl)
# Store token content in a temporary file
srcfilepath = createTempFile(source, ".dot")
try:
cmdline = subprocess.list2cmdline((self.extAppExe, "-Tpng", "-o" + dstFullPath,
srcfilepath))
# Run external application
# childIn, childOut, childErr = os.popen3(cmdline, "b")
popenObject = subprocess.Popen(cmdline, shell=True,
stderr=subprocess.PIPE, stdout=subprocess.PIPE,
stdin=subprocess.PIPE)
childErr = popenObject.stderr
# See http://bytes.com/topic/python/answers/634409-subprocess-handle-invalid-error
# why this is necessary
popenObject.stdin.close()
popenObject.stdout.close()
if "noerror" in [a.strip() for a in insParams]:
childErr.read()
errResponse = None
else:
errResponse = childErr.read()
childErr.close()
finally:
os.unlink(srcfilepath)
if errResponse is not None and errResponse != "":
appname = mbcsDec(self.EXAPPNAME, "replace")[0]
errResponse = mbcsDec(errResponse, "replace")[0]
return (_("%s Error: %s") % (appname, errResponse)), None
return None, url
def createContent(self, exporter, exportType, insToken):
"""
Handle an insertion and create the appropriate content.
exporter -- Exporter object calling the handler
exportType -- string describing the export type
insToken -- insertion token to create content for
An insertion token has the following member variables:
key: insertion key (unistring)
value: value of an insertion (unistring)
appendices: sequence of strings with the appendices
Meaning and type of return value is solely defined by the type
of the calling exporter.
For HtmlExporter a unistring is returned with the HTML code
to insert instead of the insertion.
"""
# Retrieve quoted content of the insertion
bstr = lineendToOs(utf8Enc(insToken.value, "replace")[0]) # mbcsEnc
if not bstr:
# Nothing in, nothing out
return u""
if self.extAppExe == "":
# No path to MimeTeX executable -> show message
return u"<pre>" + _(u"[Please set path to GraphViz executables]") + "</pre>"
# Get exporters temporary file set (manages creation and deletion of
# temporary files)
tfs = exporter.getTempFileSet()
pythonUrl = exportType != "html_previewWX"
dstFullPath = tfs.createTempFile("", ".png", relativeTo="")
url = tfs.getRelativeUrl(None, dstFullPath, pythonUrl=pythonUrl)
# Store token content in a temporary file
srcfilepath = createTempFile(bstr, ".dot")
try:
cmdline = subprocess.list2cmdline((self.extAppExe, "-Tpng", "-o" + dstFullPath, srcfilepath))
# Run external application
# childIn, childOut, childErr = os.popen3(cmdline, "b")
popenObject = subprocess.Popen(
cmdline, shell=True, stderr=subprocess.PIPE, stdout=subprocess.PIPE, stdin=subprocess.PIPE
)
childErr = popenObject.stderr
# See http://bytes.com/topic/python/answers/634409-subprocess-handle-invalid-error
# why this is necessary
popenObject.stdin.close()
popenObject.stdout.close()
if u"noerror" in [a.strip() for a in insToken.appendices]:
childErr.read()
errResponse = ""
else:
errResponse = childErr.read()
childErr.close()
finally:
os.unlink(srcfilepath)
if errResponse != "":
appname = mbcsDec(self.EXAPPNAME, "replace")[0]
errResponse = mbcsDec(errResponse, "replace")[0]
return u"<pre>" + _(u"[%s Error: %s]") % (appname, errResponse) + u"</pre>"
# Return appropriate HTML code for the image
if exportType == "html_previewWX":
# Workaround for internal HTML renderer
return (u'<img src="%s" border="0" align="bottom" alt="formula" />' u" ") % url
else:
return u'<img src="%s" border="0" align="bottom" alt="formula" />' % url
def createContent(self, exporter, exportType, insToken):
"""
Handle an insertion and create the appropriate content.
exporter -- Exporter object calling the handler
exportType -- string describing the export type
insToken -- insertion token to create content for
An insertion token has the following member variables:
key: insertion key (unistring)
value: value of an insertion (unistring)
appendices: sequence of strings with the appendices
Meaning and type of return value is solely defined by the type
of the calling exporter.
For HtmlExporter a unistring is returned with the HTML code
to insert instead of the insertion.
"""
if not insToken.value:
# Nothing in, nothing out
return ""
if self.extAppExe == "":
# No path to Gnuplot executable -> show message
return '<pre>' + _('[Please set path to Gnuplot executable]') +\
'</pre>'
# Get exporters temporary file set (manages creation and deletion of
# temporary files)
tfs = exporter.getTempFileSet()
pythonUrl = (exportType != "html_previewWX")
dstFullPath = tfs.createTempFile("", ".png", relativeTo="")
url = tfs.getRelativeUrl(None, dstFullPath, pythonUrl=pythonUrl)
baseDir = os.path.dirname(
exporter.getMainControl().getWikiConfigPath())
# Prepend source code with appropriate settings for PNG output
srcCode = ("set terminal png\nset output '%s'\n" % dstFullPath) + \
insToken.value
# Retrieve quoted content of the insertion
bstr = lineendToOs(mbcsEnc(srcCode, "replace")[0])
# Store token content in a temporary file
srcfilepath = createTempFile(bstr, ".gpt")
try:
cmdline = subprocess.list2cmdline((self.extAppExe, srcfilepath))
# Run external application
# childIn, childOut, childErr = os.popen3(cmdline, "b")
popenObject = subprocess.Popen(cmdline,
shell=True,
stderr=subprocess.PIPE,
stdout=subprocess.PIPE,
stdin=subprocess.PIPE)
childErr = popenObject.stderr
# See http://bytes.com/topic/python/answers/634409-subprocess-handle-invalid-error
# why this is necessary
popenObject.stdin.close()
popenObject.stdout.close()
if "noerror" in [a.strip() for a in insToken.appendices]:
childErr.read()
errResponse = b""
else:
errResponse = childErr.read()
childErr.close()
finally:
os.unlink(srcfilepath)
if errResponse != b"":
errResponse = mbcsDec(errResponse, "replace")[0]
return '<pre>' + _('[Gnuplot error: %s]') % errResponse +\
'</pre>'
# Return appropriate HTML code for the image
if exportType == "html_previewWX":
# Workaround for internal HTML renderer
return ('<img src="%s" border="0" align="bottom" alt="gnuplot" />'
' ') % url
else:
return '<img src="%s" border="0" align="bottom" alt="gnuplot" />' \
% url
def createContent(self, exporter, exportType, insToken):
"""
Handle an insertion and create the appropriate content.
exporter -- Exporter object calling the handler
exportType -- string describing the export type
insToken -- insertion token to create content for
An insertion token has the following member variables:
key: insertion key (unistring)
value: value of an insertion (unistring)
appendices: sequence of strings with the appendices
Meaning and type of return value is solely defined by the type
of the calling exporter.
For HtmlExporter a unistring is returned with the HTML code
to insert instead of the insertion.
"""
if not insToken.value:
# Nothing in, nothing out
return u""
if self.extAppExe == "":
# No path to Gnuplot executable -> show message
return u'<pre>' + _(u'[Please set path to Gnuplot executable]') +\
u'</pre>'
# Get exporters temporary file set (manages creation and deletion of
# temporary files)
tfs = exporter.getTempFileSet()
pythonUrl = (exportType != "html_previewWX")
dstFullPath = tfs.createTempFile("", ".png", relativeTo="")
url = tfs.getRelativeUrl(None, dstFullPath, pythonUrl=pythonUrl)
baseDir = os.path.dirname(exporter.getMainControl().getWikiConfigPath())
# Prepend source code with appropriate settings for PNG output
srcCode = ("set terminal png\nset output '%s'\n" % dstFullPath) + \
insToken.value
# Retrieve quoted content of the insertion
bstr = lineendToOs(mbcsEnc(srcCode, "replace")[0])
# Store token content in a temporary file
srcfilepath = createTempFile(bstr, ".gpt")
try:
cmdline = subprocess.list2cmdline((self.extAppExe, srcfilepath))
# Run external application
# childIn, childOut, childErr = os.popen3(cmdline, "b")
popenObject = subprocess.Popen(cmdline, shell=True,
stderr=subprocess.PIPE, stdout=subprocess.PIPE,
stdin=subprocess.PIPE)
childErr = popenObject.stderr
# See http://bytes.com/topic/python/answers/634409-subprocess-handle-invalid-error
# why this is necessary
popenObject.stdin.close()
popenObject.stdout.close()
if u"noerror" in [a.strip() for a in insToken.appendices]:
childErr.read()
errResponse = ""
else:
errResponse = childErr.read()
childErr.close()
finally:
os.unlink(srcfilepath)
if errResponse != "":
errResponse = mbcsDec(errResponse, "replace")[0]
return u'<pre>' + _(u'[Gnuplot error: %s]') % errResponse +\
u'</pre>'
# Return appropriate HTML code for the image
if exportType == "html_previewWX":
# Workaround for internal HTML renderer
return (u'<img src="%s" border="0" align="bottom" alt="gnuplot" />'
u' ') % url
else:
return u'<img src="%s" border="0" align="bottom" alt="gnuplot" />' \
% url
