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 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, 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 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 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, 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 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 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 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 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 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 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 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 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 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 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 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 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 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)