def addExpression(self, expression):
try:
self.dumpContent(Expression(expression).evaluate(self.env.context))
except Exception, e:
PodError.dump(self,
EVAL_EXPR_ERROR % (expression, e),
dumpTb=False)
def evaluate(self, subElements=True, removeMainElems=False):
result = self.getFileBuffer()
if not subElements:
# Dump the root tag in this buffer, but not its content.
res = self.reTagContent.match(self.content.strip())
if not res: result.write(self.content)
else:
g = res.group
result.write('<%s:%s%s></%s:%s>' %
(g(1), g(2), g(3), g(1), g(2)))
else:
iter = BufferIterator(self)
currentIndex = self.getStartIndex(removeMainElems)
while iter.hasNext():
index, evalEntry = iter.next()
result.write(self.content[currentIndex:index])
currentIndex = index + 1
if isinstance(evalEntry, Expression):
try:
result.dumpContent(evalEntry.evaluate(
self.env.context))
except Exception, e:
PodError.dump(result,
EVAL_EXPR_ERROR % (evalEntry.expr, e),
dumpTb=False)
else: # It is a subBuffer
if evalEntry.action:
evalEntry.action.execute()
else:
result.write(evalEntry.content)
stopIndex = self.getStopIndex(removeMainElems)
if currentIndex < (stopIndex - 1):
result.write(self.content[currentIndex:stopIndex])
def manageError(self, result, context, errorMessage, originalError=None):
'''Manage the encountered error: dump it into the buffer or raise an
exception.'''
if self.buffer.env.raiseOnError:
if not self.buffer.pod:
# Add in the error message the line nb where the errors occurs
# within the PX.
locator = self.buffer.env.parser.locator
# The column number may not be given
col = locator.getColumnNumber()
if col == None: col = ''
else: col = ', column %d' % col
errorMessage += ' (line %s%s)' % (locator.getLineNumber(), col)
# Integrate the traceback (at least, its last lines)
errorMessage += '\n' + Traceback.get(6).decode('utf-8')
if originalError:
raise EvaluationError(originalError, errorMessage)
raise Exception(errorMessage)
# Create a temporary buffer to dump the error. If I reuse this buffer to
# dump the error (what I did before), and we are, at some depth, in a
# for loop, this buffer will contain the error message and not the
# content to repeat anymore. It means that this error will also show up
# for every subsequent iteration.
tempBuffer = self.buffer.clone()
PodError.dump(tempBuffer, errorMessage, withinElement=self.elem)
tempBuffer.evaluate(result, context)
def evaluate(self, result, context, subElements=True,
removeMainElems=False):
'''Evaluates this buffer given the current p_context and add the result
into p_result. With pod, p_result is the root file buffer; with px
it is a memory buffer.'''
if not subElements:
# Dump the root tag in this buffer, but not its content.
res = self.reTagContent.match(self.content.strip())
if not res: result.write(self.content)
else:
g = res.group
result.write('<%s:%s%s></%s:%s>' % (g(1),g(2),g(3),g(1),g(2)))
else:
iter = BufferIterator(self)
currentIndex = self.getStartIndex(removeMainElems)
while iter.hasNext():
index, evalEntry = iter.next()
result.write(self.content[currentIndex:index])
currentIndex = index + 1
if isinstance(evalEntry, Expression):
try:
res, escape = evalEntry.evaluate(context)
if escape: result.dumpContent(res)
else: result.write(res)
except Exception, e:
if not self.env.raiseOnError:
PodError.dump(result, EVAL_EXPR_ERROR % (
evalEntry.expr, e), dumpTb=False)
else:
raise Exception(EVAL_EXPR_ERROR %(evalEntry.expr,e))
elif isinstance(evalEntry, Attributes) or \
isinstance(evalEntry, Attribute):
result.write(evalEntry.evaluate(context))
else: # It is a subBuffer
def manageError(self, result, context, errorMessage, dumpTb=True):
'''Manage the encountered error: dump it into the buffer or raise an
exception.'''
if self.buffer.env.raiseOnError:
if not self.buffer.pod:
# Add in the error message the line nb where the errors occurs
# within the PX.
locator = self.buffer.env.parser.locator
# The column number may not be given.
col = locator.getColumnNumber()
if col == None: col = ''
else: col = ', column %d' % col
errorMessage += ' (line %s%s)' % (locator.getLineNumber(), col)
raise Exception(errorMessage)
# Create a temporary buffer to dump the error. If I reuse this buffer to
# dump the error (what I did before), and we are, at some depth, in a
# for loop, this buffer will contain the error message and not the
# content to repeat anymore. It means that this error will also show up
# for every subsequent iteration.
tempBuffer = self.buffer.clone()
PodError.dump(tempBuffer,
errorMessage,
withinElement=self.elem,
dumpTb=dumpTb)
tempBuffer.evaluate(result, context)
def evaluate(self, subElements=True, removeMainElems=False):
result = self.getFileBuffer()
if not subElements:
# Dump the root tag in this buffer, but not its content.
res = self.reTagContent.match(self.content.strip())
if not res: result.write(self.content)
else:
g = res.group
result.write('<%s:%s%s></%s:%s>' % (g(1),g(2),g(3),g(1),g(2)))
else:
iter = BufferIterator(self)
currentIndex = self.getStartIndex(removeMainElems)
while iter.hasNext():
index, evalEntry = iter.next()
result.write(self.content[currentIndex:index])
currentIndex = index + 1
if isinstance(evalEntry, Expression):
try:
result.dumpContent(evalEntry.evaluate(self.env.context))
except Exception, e:
PodError.dump(result, EVAL_EXPR_ERROR % (
evalEntry.expr, e), dumpTb=False)
else: # It is a subBuffer
if evalEntry.action:
evalEntry.action.execute()
else:
result.write(evalEntry.content)
stopIndex = self.getStopIndex(removeMainElems)
if currentIndex < (stopIndex-1):
result.write(self.content[currentIndex:stopIndex])
def reifyNote(self):
'''Recreate the note as close to the original as possible'''
# Use some fake buffer and dump the note in it. Reuse the code for
# dumping an error, also dumped as a note.
r = self.StringBuffer()
PodError.dump(r, '</text:p>\n<text:p>'.join(self.statements),
dumpTb=False)
return r
def writeError(self, errorMessage, dumpTb=True):
# Empty the buffer
self.buffer.__init__(self.buffer.env, self.buffer.parent)
PodError.dump(self.buffer,
errorMessage,
withinElement=self.elem,
dumpTb=dumpTb)
self.buffer.evaluate()
def importDocument(self, content=None, at=None, format=None,
anchor='as-char', wrapInPara=True, size=None,
sizeUnit='cm', style=None):
'''If p_at is not None, it represents a path or url allowing to find
the document. If p_at is None, the content of the document is
supposed to be in binary format in p_content. The document
p_format may be: odt or any format in imageFormats.
p_anchor, p_wrapInPara and p_size are only relevant for images:
* p_anchor defines the way the image is anchored into the document;
Valid values are 'page','paragraph', 'char' and 'as-char';
* p_wrapInPara, if true, wraps the resulting 'image' tag into a 'p'
tag;
* p_size, if specified, is a tuple of float or integers
(width, height) expressing size in p_sizeUnit (see below).
If not specified, size will be computed from image info.
* p_sizeUnit is the unit for p_size elements, it can be "cm"
(centimeters) or "px" (pixels).
* If p_style is given, it is the content of a "style" attribute,
containing CSS attributes. If "width" and "heigth" attributes are
found there, they will override p_size and p_sizeUnit.
'''
importer = None
# Is there someting to import?
if not content and not at:
raise PodError(DOC_NOT_SPECIFIED)
# Guess document format
if isinstance(content, FileWrapper):
format = content.mimeType
elif hasattr(content, 'filename') and content.filename:
format = os.path.splitext(content.filename)[1][1:]
content = content.data
if not format:
# It should be deduced from p_at
if not at:
raise PodError(DOC_FORMAT_ERROR)
format = os.path.splitext(at)[1][1:]
else:
# If format is a mimeType, convert it to an extension
if mimeTypesExts.has_key(format):
format = mimeTypesExts[format]
isImage = False
if format in self.ooFormats:
importer = OdtImporter
self.forceOoCall = True
elif (format in self.imageFormats) or not format:
# If the format can't be guessed, we suppose it is an image.
importer = ImageImporter
isImage = True
elif format == 'pdf':
importer = PdfImporter
else:
raise PodError(DOC_WRONG_FORMAT % format)
imp = importer(content, at, format, self)
# Initialise image-specific parameters
if isImage: imp.setImageInfo(anchor, wrapInPara, size, sizeUnit, style)
res = imp.run()
return res
def createPodActions(self, statements):
'''Tries to create action(s) based on p_statements. If the statement is
not correct, r_ is -1. Else, r_ is the index of the element within
the buffer that is the object of the action(s).'''
r = -1
try:
# Check that the statement group is not empty
if not statements: raise ParsingError(EMPTY_NOTE)
# Get the main statement (starting with "do...") and check it
main = statements[0]
aRes = self.Rex.action.match(main)
if not aRes:
raise ParsingError(BAD_STATEMENT % main)
statementName, podElem, minus, actionType, subExpr = aRes.groups()
if not (podElem in PodElement.POD_ELEMS):
raise ParsingError(BAD_ELEMENT % podElem)
if minus and (not podElem in PodElement.MINUS_ELEMS):
raise ParsingError(BAD_MINUS % (podElem,PodElement.MINUS_ELEMS))
# Find the target element in the buffer
i = self.getIndex(podElem)
if i == -1:
raise ParsingError(ELEMENT_NOT_FOUND % (podElem, str([
e.__class__.__name__.lower() \
for e in self.elements.values()])))
podElem = self.elements[i]
# Create the main action
self.action = self.createPodAction(actionType, statements,
statementName, subExpr, podElem, minus)
# Parse the remaining statements, that can contain any number of
# secondary actions and a from clause.
fromClause = last = None
for statement in statements[1:]:
# Get the "from" clause
if statement.startswith('from') or \
statement.startswith('from+'):
fromInfo = self.Rex.from_.match(statement)
if not fromInfo:
raise ParsingError(BAD_FROM_CLAUSE % fromClause)
fromClause = fromInfo.groups()
# Get any secondary statement
else:
info = self.Rex.subAction.match(statement)
if not info:
raise ParsingError(BAD_SUB_STATEMENT % statement)
actionType, subExpr = info.groups()
last = self.createPodAction(actionType, statements, '',
subExpr, podElem, None, main=False)
self.action.addSubAction(last)
# Link the "from" clause
if fromClause:
target = last or self.action
target.setFrom(*fromClause)
success, msg = self.action.check()
if not success: raise ParsingError(msg)
r = i
except ParsingError as ppe:
PodError.dump(self, ppe, removeFirstLine=True)
return r
def addExpression(self, expression, tiedHook=None):
# At 2013-02-06, this method was not called within the whole test suite.
try:
expr = Expression(expression, self.pod)
if tiedHook: tiedHook.tiedExpression = expr
res, escape = expr.evaluate(self.env.context)
if escape: self.dumpContent(res)
else: self.write(res)
except Exception, e:
PodError.dump(self, EVAL_EXPR_ERROR % (expression, e), dumpTb=False)
def prepareFolders(self):
# Check if I can write the result
if not self.overwriteExisting and os.path.exists(self.result):
raise PodError(RESULT_FILE_EXISTS % self.result)
try:
f = open(self.result, 'w')
f.write('Hello')
f.close()
except OSError, oe:
raise PodError(CANT_WRITE_RESULT % (self.result, oe))
def importDocument(self,
content=None,
at=None,
format=None,
anchor='as-char',
wrapInPara=True,
size=None):
'''If p_at is not None, it represents a path or url allowing to find
the document. If p_at is None, the content of the document is
supposed to be in binary format in p_content. The document
p_format may be: odt or any format in imageFormats.
p_anchor, p_wrapInPara and p_size are only relevant for images:
* p_anchor defines the way the image is anchored into the document;
Valid values are 'page','paragraph', 'char' and 'as-char';
* p_wrapInPara, if true, wraps the resulting 'image' tag into a 'p'
tag;
* p_size, if specified, is a tuple of float or integers
(width, height) expressing size in centimeters. If not
specified, size will be computed from image info.'''
ns = self.currentParser.env.namespaces
importer = None
# Is there someting to import?
if not content and not at:
raise PodError(DOC_NOT_SPECIFIED)
# Guess document format
if isinstance(content, FileWrapper):
format = content.mimeType
if not format:
# It should be deduced from p_at
if not at:
raise PodError(DOC_FORMAT_ERROR)
format = os.path.splitext(at)[1][1:]
else:
# If format is a mimeType, convert it to an extension
if mimeTypesExts.has_key(format):
format = mimeTypesExts[format]
isImage = False
if format in self.ooFormats:
importer = OdtImporter
self.forceOoCall = True
elif format in self.imageFormats:
importer = ImageImporter
isImage = True
elif format == 'pdf':
importer = PdfImporter
else:
raise PodError(DOC_WRONG_FORMAT % format)
imp = importer(content, at, format, self.tempFolder, ns,
self.fileNames)
# Initialise image-specific parameters
if isImage: imp.setImageInfo(anchor, wrapInPara, size)
res = imp.run()
return res
def addExpression(self, expression, tiedHook=None):
# At 2013-02-06, this method was not called within the whole test suite.
try:
expr = Expression(expression, self.pod)
if tiedHook: tiedHook.tiedExpression = expr
res, escape = expr.evaluate(self.env.context)
if escape: self.dumpContent(res)
else: self.write(res)
except Exception, e:
PodError.dump(self,
EVAL_EXPR_ERROR % (expression, e),
dumpTb=False)
def addExpression(self, expression, elem=None, tiedHook=None):
try:
expr = Expression(expression, self.pod)
if tiedHook: tiedHook.tiedExpression = expr
res, escape = expr.evaluate(self.env.context)
if escape: self.dumpContent(res)
else: self.write(res)
except Exception as e:
if not self.env.raiseOnError:
PodError.dump(self, EVAL_EXPR_ERROR % (expression, e),
dumpTb=False)
else:
raise Exception(EVAL_EXPR_ERROR % (expression, e))
def finalize(self):
'''Re-zip the result and potentially call LibreOffice if target format
is not among self.templateTypes or if forceOoCall is True.'''
for innerFile in ('content.xml', 'styles.xml'):
shutil.copy(os.path.join(self.tempFolder, innerFile),
os.path.join(self.unzipFolder, innerFile))
# Insert dynamic styles
contentXml = os.path.join(self.unzipFolder, 'content.xml')
f = open(contentXml, 'r+', encoding='utf-8')
dynamicStyles = ''.join(self.dynamicStyles)
content = f.read().replace('<!DYNAMIC_STYLES!>', dynamicStyles)
f.seek(0)
f.truncate(0)
f.write(content)
f.close()
# Call the user-defined "finalize" function when present
if self.finalizeFunction:
try:
self.finalizeFunction(self.unzipFolder)
except Exception as e:
print((WARNING_FINALIZE_ERROR % str(e)))
# Re-zip the result, first as an OpenDocument file of the same type as
# the POD template (odt, ods...)
resultExt = self.getTemplateType()
resultName = os.path.join(self.tempFolder, 'result.%s' % resultExt)
zip(resultName, self.unzipFolder, odf=True)
resultType = os.path.splitext(self.result)[1].strip('.')
if (resultType in self.templateTypes) and not self.forceOoCall:
# Simply move the ODT result to the result
os.rename(resultName, self.result)
else:
if resultType not in FILE_TYPES:
raise PodError(BAD_RESULT_TYPE %
(self.result, FILE_TYPES.keys()))
# Call LibreOffice to perform the conversion or document update.
output = self.callLibreOffice(resultName, resultType)
# I (should) have the result. Move it to the correct name.
resPrefix = os.path.splitext(resultName)[0]
if resultType in self.templateTypes:
# converter.py has (normally!) created a second file
# suffixed .res.[resultType]
finalResultName = '%s.res.%s' % (resPrefix, resultType)
if not os.path.exists(finalResultName):
finalResultName = resultName
# In this case OO in server mode could not be called to
# update indexes, sections, etc.
else:
finalResultName = '%s.%s' % (resPrefix, resultType)
if not os.path.exists(finalResultName):
raise PodError(CONVERT_ERROR % output)
os.rename(finalResultName, self.result)
def evaluate(self,
result,
context,
subElements=True,
removeMainElems=False):
'''Evaluates this buffer given the current p_context and add the result
into p_result. With pod, p_result is the root file buffer; with px
it is a memory buffer.'''
if not subElements:
# Dump the root tag in this buffer, but not its content
res = self.reTagContent.match(self.content.strip())
if not res: result.write(self.content)
else:
g = res.group
result.write('<%s:%s%s></%s:%s>' %
(g(1), g(2), g(3), g(1), g(2)))
else:
if removeMainElems: self.removeAutomaticExpressions()
iter = BufferIterator(self)
currentIndex = self.getStartIndex(removeMainElems)
while iter.hasNext():
index, evalEntry = next(iter)
result.write(self.content[currentIndex:index])
currentIndex = index + 1
if isinstance(evalEntry, Expression):
try:
res, escape = evalEntry.evaluate(context)
if escape: result.dumpContent(res)
else: result.write(res)
except EvaluationError as e:
# This exception has already been treated (see the
# "except" block below). Simply re-raise it when needed.
if self.env.raiseOnError: raise e
except Exception as e:
if not self.env.raiseOnError:
PodError.dump(
result, EVAL_EXPR_ERROR % (evalEntry.expr, e))
else:
raise EvaluationError(EVAL_EXPR_ERROR % \
(evalEntry.expr, '\n'+Traceback.get(5)))
elif isinstance(evalEntry, Attributes) or \
isinstance(evalEntry, Attribute):
result.write(evalEntry.evaluate(context))
else: # It is a subBuffer
if evalEntry.action:
evalEntry.action.execute(result, context)
else:
result.write(evalEntry.content)
stopIndex = self.getStopIndex(removeMainElems)
if currentIndex < (stopIndex - 1):
result.write(self.content[currentIndex:stopIndex])
def evaluate(self,
result,
context,
subElements=True,
removeMainElems=False):
'''Evaluates this buffer given the current p_context and add the result
into p_result. With pod, p_result is the root file buffer; with px
it is a memory buffer.'''
if not subElements:
# Dump the root tag in this buffer, but not its content.
res = self.reTagContent.match(self.content.strip())
if not res: result.write(self.content)
else:
g = res.group
result.write('<%s:%s%s></%s:%s>' %
(g(1), g(2), g(3), g(1), g(2)))
else:
iter = BufferIterator(self)
currentIndex = self.getStartIndex(removeMainElems)
while iter.hasNext():
index, evalEntry = iter.next()
result.write(self.content[currentIndex:index])
currentIndex = index + 1
if isinstance(evalEntry, Expression):
try:
res, escape = evalEntry.evaluate(context)
if escape: result.dumpContent(res)
else: result.write(res)
except (Exception, e):
#print "OHHH YEAHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH"
#result.dumpContent('')
if not self.env.raiseOnError:
PodError.dump(result,
EVAL_EXPR_ERROR %
(evalEntry.expr, e),
dumpTb=False)
else:
raise Exception(EVAL_EXPR_ERROR %
(evalEntry.expr, e))
elif isinstance(evalEntry, Attributes) or \
isinstance(evalEntry, Attribute):
result.write(evalEntry.evaluate(context))
else: # It is a subBuffer
if evalEntry.action:
evalEntry.action.execute(result, context)
else:
result.write(evalEntry.content)
stopIndex = self.getStopIndex(removeMainElems)
if currentIndex < (stopIndex - 1):
result.write(self.content[currentIndex:stopIndex])
def importPod(self,
content=None,
at=None,
format='odt',
context=None,
pageBreakBefore=False,
pageBreakAfter=False):
'''Similar to m_importDocument, but allows to import the result of
executing the POD template specified in p_content or p_at, and
include it in the POD result.'''
# Is there a pod template defined?
if not content and not at:
raise PodError(DOC_NOT_SPECIFIED)
# If the POD template is specified as a Zope file, convert it into a
# Appy FileWrapper.
if content.__class__.__name__ == 'File':
content = FileWrapper(content)
imp = PodImporter(content, at, format, self)
self.forceOoCall = True
# Define the context to use: either the current context of the current
# POD renderer, or p_context if given.
if context:
ctx = context
else:
ctx = self.contentParser.env.context
imp.init(ctx, pageBreakBefore, pageBreakAfter)
return imp.run()
def setImageInfo(self, anchor, wrapInPara, size):
# Initialise anchor
if anchor not in self.anchorTypes:
raise PodError(self.WRONG_ANCHOR % str(self.anchorTypes))
self.anchor = anchor
self.wrapInPara = wrapInPara
self.size = size
def createPodParser(self, odtFile, context, inserts=None):
'''Creates the parser with its environment for parsing the given
p_odtFile (content.xml or styles.xml). p_context is given by the pod
user, while p_inserts depends on the ODT file we must parse.'''
# The default evaluation context
evalContext = {}
if hasattr(context, '__dict__'):
evalContext.update(context.__dict__)
elif isinstance(context, dict) or isinstance(context, UserDict):
evalContext.update(context)
else:
raise PodError(BAD_CONTEXT)
# Incorporate the default, unalterable, context
evalContext.update({'xhtml': self.renderXhtml,
'test': self.evalIfExpression, 'document': self.importDocument,
'pod': self.importPod, 'TableProperties': TableProperties,
'BulletedProperties': BulletedProperties,
'NumberedProperties': NumberedProperties,
'pageBreak': self.insertPageBreak,
'columnBreak': self.insertColumnBreak,
# Variables to use for representing pod-reserved chars
'PIPE': '|', 'SEMICOLON': ';'})
# Developer, forget the following line
if '_ctx_' not in evalContext: evalContext['_ctx_'] = evalContext
env = PodEnvironment(evalContext, inserts)
fileBuffer = FileBuffer(env, os.path.join(self.tempFolder,odtFile))
env.currentBuffer = fileBuffer
return PodParser(env, self)
def run(self):
# Split the PDF into images with Ghostscript
imagesFolder = os.path.dirname(self.importPath)
cmd = 'gs -dNOPAUSE -dBATCH -sDEVICE=jpeg -r125x125 ' \
'-sOutputFile=%s/%s%%d.jpg %s' % \
(imagesFolder, self.imagePrefix, self.importPath)
os.system(cmd)
# Check that at least one image was generated
succeeded = False
firstImage = '%s1.jpg' % self.imagePrefix
for fileName in os.listdir(imagesFolder):
if fileName == firstImage:
succeeded = True
break
if not succeeded: raise PodError(PDF_TO_IMG_ERROR)
# Insert images into the result.
noMoreImages = False
i = 0
while not noMoreImages:
i += 1
nextImage = '%s/%s%d.jpg' % (imagesFolder, self.imagePrefix, i)
if os.path.exists(nextImage):
# Use internally an Image importer for doing this job.
imgImporter =ImageImporter(None, nextImage, 'jpg',self.renderer)
imgImporter.setImageInfo('paragraph', True, None, None, None)
self.res += imgImporter.run()
os.remove(nextImage)
else:
noMoreImages = True
return self.res
def evaluate(self, result, context, subElements=True,
removeMainElems=False):
'''Evaluates this buffer given the current p_context and add the result
into p_result. With pod, p_result is the root file buffer; with px
it is a memory buffer.'''
if not subElements:
# Dump the root tag in this buffer, but not its content
res = self.reTagContent.match(self.content.strip())
if not res: result.write(self.content)
else:
g = res.group
result.write('<%s:%s%s></%s:%s>' % (g(1),g(2),g(3),g(1),g(2)))
else:
if removeMainElems: self.removeAutomaticExpressions()
iter = BufferIterator(self)
currentIndex = self.getStartIndex(removeMainElems)
while iter.hasNext():
index, evalEntry = next(iter)
result.write(self.content[currentIndex:index])
currentIndex = index + 1
if isinstance(evalEntry, Expression):
try:
res, escape = evalEntry.evaluate(context)
if escape: result.dumpContent(res)
else: result.write(res)
except EvaluationError as e:
# This exception has already been treated (see the
# "except" block below). Simply re-raise it when needed.
if self.env.raiseOnError: raise e
except Exception as e:
if not self.env.raiseOnError:
PodError.dump(result, EVAL_EXPR_ERROR % (
evalEntry.expr, e))
else:
raise EvaluationError(EVAL_EXPR_ERROR % \
(evalEntry.expr, '\n'+Traceback.get(5)))
elif isinstance(evalEntry, Attributes) or \
isinstance(evalEntry, Attribute):
result.write(evalEntry.evaluate(context))
else: # It is a subBuffer
if evalEntry.action:
evalEntry.action.execute(result, context)
else:
result.write(evalEntry.content)
stopIndex = self.getStopIndex(removeMainElems)
if currentIndex < (stopIndex-1):
result.write(self.content[currentIndex:stopIndex])
def checkAt(self, at, raiseOnError=True):
'''Check and apply some transform to p_at'''
# Resolve relative path
if at.startswith('./'): at = os.path.join(os.getcwd(), at[2:])
# Checks that p_at corresponds to an existing file if given
if raiseOnError and not os.path.isfile(at):
raise PodError(FILE_NOT_FOUND % at)
return at
def run(self):
# Convert the document into PDF with LibreOffice
output = self.renderer.callLibreOffice(self.importPath, 'pdf')
if output: raise PodError(TO_PDF_ERROR % output)
pdfFile = '%s.pdf' % os.path.splitext(self.importPath)[0]
# Launch a PdfImporter to import this PDF into the POD result.
pdfImporter = PdfImporter(None, pdfFile, 'pdf', self.renderer)
return pdfImporter.run()
def callLibreOffice(self, resultName, resultType):
'''Call LibreOffice in server mode to convert or update the result.'''
loOutput = ''
try:
if (not isinstance(self.ooPort, int)) and \
(not isinstance(self.ooPort, int)):
raise PodError(BAD_OO_PORT % str(self.ooPort))
try:
from appy.pod.converter import Converter, ConverterError
try:
Converter(resultName, resultType, self.ooPort,
self.stylesTemplate).run()
except ConverterError as ce:
raise PodError(CONVERT_ERROR % str(ce))
except ImportError:
# I do not have UNO. So try to launch a UNO-enabled Python
# interpreter which should be in self.pyPath.
if not self.pyPath:
raise PodError(NO_PY_PATH % resultType)
if self.pyPath.find(' ') != -1:
raise PodError(BLANKS_IN_PATH % self.pyPath)
if not os.path.isfile(self.pyPath):
raise PodError(PY_PATH_NOT_FILE % self.pyPath)
if resultName.find(' ') != -1:
qResultName = '"%s"' % resultName
else:
qResultName = resultName
convScript = '%s/converter.py' % \
os.path.dirname(appy.pod.__file__)
if convScript.find(' ') != -1:
convScript = '"%s"' % convScript
cmd = '%s %s %s %s -p%d' % \
(self.pyPath, convScript, qResultName, resultType,
self.ooPort)
if self.stylesTemplate: cmd += ' -t%s' % self.stylesTemplate
loOutput = executeCommand(cmd)
except PodError as pe:
# When trying to call LO in server mode for producing ODT or ODS
# (=forceOoCall=True), if an error occurs we have nevertheless
# an ODT or ODS to return to the user. So we produce a warning
# instead of raising an error.
if (resultType in self.templateTypes) and self.forceOoCall:
print((WARNING_INCOMPLETE_OD % str(pe)))
else:
raise pe
return loOutput
def callLibreOffice(self, resultName, resultType):
'''Call LibreOffice in server mode to convert or update the result'''
loOutput = ''
try:
if (not isinstance(self.ooPort, int)) and \
(not isinstance(self.ooPort, long)):
raise PodError(BAD_OO_PORT % str(self.ooPort))
try:
from appy.pod.converter import Converter, ConverterError
try:
Converter(resultName, resultType, self.ooPort,
self.stylesTemplate, self.optimalColumnWidths,
self.script).run()
except ConverterError as ce:
raise PodError(CONVERT_ERROR % str(ce))
except ImportError:
# I do not have UNO. So try to launch a UNO-enabled Python
# interpreter which should be in self.pyPath.
if not self.pyPath:
raise PodError(NO_PY_PATH % resultType)
if not os.path.isfile(self.pyPath):
raise PodError(PY_PATH_NOT_FILE % self.pyPath)
convScript = '%s/converter.py' % \
os.path.dirname(appy.pod.__file__)
cmd = [self.pyPath, convScript, resultName, resultType,
'-p%d' % self.ooPort]
if self.stylesTemplate:
cmd.append('-t%s' % self.stylesTemplate)
if self.optimalColumnWidths:
cmd.append('-o')
cmd.append('%s' % str(self.optimalColumnWidths))
if self.script:
cmd.append('-s')
cmd.append('%s' % self.script)
out, loOutput = utils.executeCommand(cmd)
except PodError as pe:
# When trying to call LO in server mode for producing ODT or ODS
# (=forceOoCall=True), if an error occurs we have nevertheless
# an ODT or ODS to return to the user. So we produce a warning
# instead of raising an error.
if (resultType in self.templateTypes) and self.forceOoCall:
print(WARNING_INCOMPLETE_OD % str(pe))
else:
raise pe
return loOutput
def callOpenOffice(self, resultOdtName, resultType):
'''Call Open Office in server mode to convert or update the ODT
result.'''
ooOutput = ''
try:
if (not isinstance(self.ooPort, int)) and \
(not isinstance(self.ooPort, long)):
raise PodError(BAD_OO_PORT % str(self.ooPort))
try:
from appy.pod.converter import Converter, ConverterError
try:
Converter(resultOdtName, resultType,
self.ooPort).run()
except ConverterError, ce:
raise PodError(CONVERT_ERROR % str(ce))
except ImportError:
# I do not have UNO. So try to launch a UNO-enabled Python
# interpreter which should be in self.pyPath.
if not self.pyPath:
raise PodError(NO_PY_PATH % resultType)
if self.pyPath.find(' ') != -1:
raise PodError(BLANKS_IN_PATH % self.pyPath)
if not os.path.isfile(self.pyPath):
raise PodError(PY_PATH_NOT_FILE % self.pyPath)
if resultOdtName.find(' ') != -1:
qResultOdtName = '"%s"' % resultOdtName
else:
qResultOdtName = resultOdtName
convScript = '%s/converter.py' % \
os.path.dirname(appy.pod.__file__)
if convScript.find(' ') != -1:
convScript = '"%s"' % convScript
cmd = '%s %s %s %s -p%d' % \
(self.pyPath, convScript, qResultOdtName, resultType,
self.ooPort)
ooOutput = executeCommand(cmd)
except PodError, pe:
# When trying to call OO in server mode for producing
# ODT (=forceOoCall=True), if an error occurs we still
# have an ODT to return to the user. So we produce a
# warning instead of raising an error.
if (resultType == 'odt') and self.forceOoCall:
print WARNING_INCOMPLETE_ODT % str(pe)
else:
raise pe
def manageError(self, result, context, errorMessage, dumpTb=True):
'''Manage the encountered error: dump it into the buffer or raise an
exception.'''
if self.buffer.env.raiseOnError:
if not self.buffer.pod:
# Add in the error message the line nb where the errors occurs
# within the PX.
locator = self.buffer.env.parser.locator
# The column number may not be given.
col = locator.getColumnNumber()
if col == None: col = ''
else: col = ', column %d' % col
errorMessage += ' (line %s%s)' % (locator.getLineNumber(), col)
raise Exception(errorMessage)
# Empty the buffer (pod-only)
self.buffer.__init__(self.buffer.env, self.buffer.parent)
PodError.dump(self.buffer, errorMessage, withinElement=self.elem,
dumpTb=dumpTb)
self.buffer.evaluate(result, context)
def run(self):
# This feature is only available in the open source version
if utils.commercial: raise utils.CommercialError()
# Convert the document into PDF with LibreOffice
output = self.renderer.callLibreOffice(self.importPath, 'pdf')
if output: raise PodError(TO_PDF_ERROR % output)
pdfFile = '%s.pdf' % os.path.splitext(self.importPath)[0]
# Launch a PdfImporter to import this PDF into the POD result
pdfImporter = PdfImporter(None, pdfFile, 'pdf', self.renderer)
return pdfImporter.run()
def prepareFolders(self):
# Check if I can write the result
if not self.overwriteExisting and os.path.exists(self.result):
raise PodError(RESULT_FILE_EXISTS % self.result)
try:
f = open(self.result, 'w')
f.write('Hello')
f.close()
except OSError as oe:
raise PodError(CANT_WRITE_RESULT % (self.result, oe))
except IOError as ie:
raise PodError(CANT_WRITE_RESULT % (self.result, ie))
self.result = os.path.abspath(self.result)
os.remove(self.result)
# Create a temp folder for storing temporary files
absResult = os.path.abspath(self.result)
self.tempFolder = '%s.%f' % (absResult, time.time())
try:
os.mkdir(self.tempFolder)
except OSError as oe:
raise PodError(CANT_WRITE_TEMP_FOLDER % (self.result, oe))
def setImageInfo(self, anchor, wrapInPara, size, sizeUnit, style):
# Initialise anchor
if anchor not in self.anchorTypes:
raise PodError(self.WRONG_ANCHOR % str(self.anchorTypes))
self.anchor = anchor
self.wrapInPara = wrapInPara
self.size = size
self.sizeUnit = sizeUnit
# Put CSS attributes from p_style in a dict.
self.cssAttrs = {}
if style:
for attr in style.split(';'):
if not attr.strip(): continue
name, value = attr.strip().split(':')
value = value.strip()
if value.endswith('px'): value = value[:-2]
if value.isdigit(): value=int(value)
self.cssAttrs[name.strip()] = value
def createPodParser(self, odtFile, context, inserts):
'''Creates the parser with its environment for parsing the given
p_odtFile (content.xml or styles.xml). p_context is given by the pod
user, while p_inserts depends on the ODT file we must parse.'''
evalContext = {'xhtml': self.renderXhtml,
'text': self.renderText,
'test': self.evalIfExpression,
'document': self.importDocument} # Default context
if hasattr(context, '__dict__'):
evalContext.update(context.__dict__)
elif isinstance(context, dict) or isinstance(context, UserDict):
evalContext.update(context)
else:
raise PodError(BAD_CONTEXT)
env = PodEnvironment(evalContext, inserts)
fileBuffer = FileBuffer(env, os.path.join(self.tempFolder,odtFile))
env.currentBuffer = fileBuffer
return PodParser(env, self)
def run(self):
# This feature is only available in the open source version
if utils.commercial: raise utils.CommercialError()
imagePrefix = os.path.splitext(os.path.basename(self.importPath))[0]
# Split the PDF into images with Ghostscript. Create a sub-folder in the
# OS temp folder to store those images.
imagesFolder = getOsTempFolder(sub=True)
device = 'png16m'
ext = PdfImporter.gsDevices[device]
dpi = '125'
cmd = [
'gs', '-dSAFER', '-dNOPAUSE', '-dBATCH',
'-sDEVICE=%s' % device,
'-r%s' % dpi, '-dTextAlphaBits=4', '-dGraphicsAlphaBits=4',
'-sOutputFile=%s/%s%%d.%s' % (imagesFolder, imagePrefix, ext),
self.importPath
]
utils.executeCommand(cmd)
# Check that at least one image was generated
succeeded = False
firstImage = '%s1.%s' % (imagePrefix, ext)
for fileName in os.listdir(imagesFolder):
if fileName == firstImage:
succeeded = True
break
if not succeeded: raise PodError(PDF_TO_IMG_ERROR)
# Insert images into the result
noMoreImages = False
i = 0
while not noMoreImages:
i += 1
nextImage = '%s/%s%d.%s' % (imagesFolder, imagePrefix, i, ext)
if os.path.exists(nextImage):
# Use internally an Image importer for doing this job
imgImporter = ImageImporter(None, nextImage, ext,
self.renderer)
imgImporter.init('paragraph', True, None, None, None, True,
None)
self.res += imgImporter.run()
os.remove(nextImage)
else:
noMoreImages = True
os.rmdir(imagesFolder)
return self.res
def __init__(self, content, at, format, renderer):
self.content = content
# If content is None, p_at tells us where to find it (file system path,
# url, etc)
self.at = at
# Ensure this path exists, if it is a local path.
if at and not at.startswith('http') and not os.path.isfile(at):
raise PodError(FILE_NOT_FOUND % at)
self.format = format
self.res = u''
self.renderer = renderer
self.ns = renderer.currentParser.env.namespaces
# Unpack some useful namespaces
self.textNs = self.ns[OdfEnvironment.NS_TEXT]
self.linkNs = self.ns[OdfEnvironment.NS_XLINK]
self.drawNs = self.ns[OdfEnvironment.NS_DRAW]
self.svgNs = self.ns[OdfEnvironment.NS_SVG]
self.tempFolder = renderer.tempFolder
self.importFolder = self.getImportFolder()
# Create the import folder if it does not exist.
if not os.path.exists(self.importFolder): os.mkdir(self.importFolder)
self.importPath = self.getImportPath(at, format)
# A link to the global fileNames dict (explained in renderer.py)
self.fileNames = renderer.fileNames
if at:
# Move the file within the ODT, if it is an image and if this image
# has not already been imported.
self.importPath = self.moveFile(at, self.importPath)
else:
# We need to dump the file content (in self.content) in a temp file
# first. self.content may be binary, a file handler or a
# FileWrapper.
if isinstance(self.content, FileWrapper):
self.content.dump(self.importPath)
else:
if isinstance(self.content, file):
fileContent = self.content.read()
else:
fileContent = self.content
f = file(self.importPath, 'wb')
f.write(fileContent)
f.close()
def addExpression(self, expression, tiedHook=None):
# At 2013-02-06, this method was not called within the whole test suite.
try:
self.dumpContent(Expression(expression).evaluate(self.env.context))
except Exception, e:
PodError.dump(self, EVAL_EXPR_ERROR % (expression, e), dumpTb=False)
def addExpression(self, expression):
try:
self.dumpContent(Expression(expression).evaluate(self.env.context))
except Exception, e:
PodError.dump(self, EVAL_EXPR_ERROR % (expression, e), dumpTb=False)
def createAction(self, statementGroup):
'''Tries to create an action based on p_statementGroup. If the statement
is not correct, r_ is -1. Else, r_ is the index of the element within
the buffer that is the object of the action.'''
res = -1
try:
# Check the whole statement group
if not statementGroup or (len(statementGroup) > 2):
raise ParsingError(BAD_STATEMENT_GROUP % str(statementGroup))
# Check the statement
statement = statementGroup[0]
aRes = self.actionRex.match(statement)
if not aRes:
raise ParsingError(BAD_STATEMENT % statement)
statementName, podElem, minus, actionType, subExpr = aRes.groups()
if not (podElem in PodElement.POD_ELEMS):
raise ParsingError(BAD_ELEMENT % podElem)
if minus and (not podElem in PodElement.MINUS_ELEMS):
raise ParsingError(
BAD_MINUS % (podElem, PodElement.MINUS_ELEMS))
indexPodElem = self.getIndex(podElem)
if indexPodElem == -1:
raise ParsingError(
ELEMENT_NOT_FOUND % (podElem, str([
e.__class__.__name__.lower() \
for e in self.elements.values()])))
podElem = self.elements[indexPodElem]
# Check the 'from' clause
fromClause = None
source = 'buffer'
if len(statementGroup) > 1:
fromClause = statementGroup[1]
source = 'from'
if not fromClause.startswith('from '):
raise ParsingError(BAD_FROM_CLAUSE % fromClause)
fromClause = fromClause[5:]
# Create the action
if actionType == 'if':
self.action = IfAction(statementName, self, subExpr, podElem,
minus, source, fromClause)
self.env.ifActions.append(self.action)
if self.action.name:
# We must register this action as a named action
if self.env.namedIfActions.has_key(self.action.name):
raise ParsingError(DUPLICATE_NAMED_IF)
self.env.namedIfActions[self.action.name] = self.action
elif actionType == 'else':
if not self.env.ifActions:
raise ParsingError(ELSE_WITHOUT_IF)
# Does the "else" action reference a named "if" action?
ifReference = subExpr.strip()
if ifReference:
if not self.env.namedIfActions.has_key(ifReference):
raise ParsingError(ELSE_WITHOUT_NAMED_IF % ifReference)
linkedIfAction = self.env.namedIfActions[ifReference]
# This "else" action "consumes" the "if" action: this way,
# it is not possible to define two "else" actions related to
# the same "if".
del self.env.namedIfActions[ifReference]
self.env.ifActions.remove(linkedIfAction)
else:
linkedIfAction = self.env.ifActions.pop()
self.action = ElseAction(statementName, self, None, podElem,
minus, source, fromClause,
linkedIfAction)
elif actionType == 'for':
forRes = MemoryBuffer.forRex.match(subExpr.strip())
if not forRes:
raise ParsingError(BAD_FOR_EXPRESSION % subExpr)
iter, subExpr = forRes.groups()
self.action = ForAction(statementName, self, subExpr, podElem,
minus, iter, source, fromClause)
elif actionType == 'with':
variables = self._getVariables(subExpr)
self.action = VariablesAction(statementName, self, podElem,
minus, variables, source, fromClause)
else: # null action
if not fromClause:
raise ParsingError(NULL_ACTION_ERROR)
self.action = NullAction(statementName, self, None, podElem,
None, source, fromClause)
res = indexPodElem
except ParsingError, ppe:
PodError.dump(self, ppe, removeFirstLine=True)
def writeError(self, errorMessage, dumpTb=True):
# Empty the buffer
self.buffer.__init__(self.buffer.env, self.buffer.parent)
PodError.dump(self.buffer, errorMessage, withinElement=self.elem,
dumpTb=dumpTb)
self.buffer.evaluate()
