environment/lib/python2.7/site-packages/IPython/lib/irunner.py
def run_source(self,source,interact=False,get_output=False):
        """Run the given source code interactively.

        Inputs:

          - source: a string of code to be executed, or an open file object we
          can iterate over.

        Optional inputs:

          - interact(False): if true, start to interact with the running
          program at the end of the script.  Otherwise, just exit.

          - get_output(False): if true, capture the output of the child process
          (filtering the input commands out) and return it as a string.

        Returns:
          A string containing the process output, but only if requested.
          """

        # if the source is a string, chop it up in lines so we can iterate
        # over it just as if it were an open file.
        if isinstance(source, basestring):
            source = source.splitlines(True)

        if self.echo:
            # normalize all strings we write to use the native OS line
            # separators.
            linesep  = os.linesep
            stdwrite = self.out.write
            write    = lambda s: stdwrite(s.replace('\r\n',linesep))
        else:
            # Quiet mode, all writes are no-ops
            write = lambda s: None

        c = self.child
        prompts = c.compile_pattern_list(self.prompts)
        prompt_idx = c.expect_list(prompts)

        # Flag whether the script ends normally or not, to know whether we can
        # do anything further with the underlying process.
        end_normal = True

        # If the output was requested, store it in a list for return at the end
        if get_output:
            output = []
            store_output = output.append

        for cmd in source:
            # skip blank lines for all matches to the 'main' prompt, while the
            # secondary prompts do not
            if prompt_idx==0 and \
                   (cmd.isspace() or cmd.lstrip().startswith('#')):
                write(cmd)
                continue

            # write('AFTER: '+c.after)  # dbg
            write(c.after)
            c.send(cmd)
            try:
                prompt_idx = c.expect_list(prompts)
            except pexpect.EOF:
                # this will happen if the child dies unexpectedly
                write(c.before)
                end_normal = False
                break

            write(c.before)

            # With an echoing process, the output we get in c.before contains
            # the command sent, a newline, and then the actual process output
            if get_output:
                store_output(c.before[len(cmd+'\n'):])
                #write('CMD: <<%s>>' % cmd)  # dbg
                #write('OUTPUT: <<%s>>' % output[-1])  # dbg

        self.out.flush()
        if end_normal:
            if interact:
                c.send('\n')
                print '<< Starting interactive mode >>',
                try:
                    c.interact()
                except OSError:
                    # This is what fires when the child stops.  Simply print a
                    # newline so the system prompt is aligned.  The extra
                    # space is there to make sure it gets printed, otherwise
                    # OS buffering sometimes just suppresses it.
                    write(' \n')
                    self.out.flush()
        else:
            if interact:
                e="Further interaction is not possible: child process is dead."
                print >> sys.stderr, e

        # Leave the child ready for more input later on, otherwise select just
        # hangs on the second invocation.
        if c.isalive():
            c.send('\n')

        # Return any requested output
        if get_output:
            return ''.join(output)
def run_source(self,source,interact=False,get_output=False):
        """Run the given source code interactively.

        Inputs:

          - source: a string of code to be executed, or an open file object we
          can iterate over.

        Optional inputs:

          - interact(False): if true, start to interact with the running
          program at the end of the script.  Otherwise, just exit.

          - get_output(False): if true, capture the output of the child process
          (filtering the input commands out) and return it as a string.

        Returns:
          A string containing the process output, but only if requested.
          """

        # if the source is a string, chop it up in lines so we can iterate
        # over it just as if it were an open file.
        if isinstance(source, basestring):
            source = source.splitlines(True)

        if self.echo:
            # normalize all strings we write to use the native OS line
            # separators.
            linesep  = os.linesep
            stdwrite = self.out.write
            write    = lambda s: stdwrite(s.replace('\r\n',linesep))
        else:
            # Quiet mode, all writes are no-ops
            write = lambda s: None

        c = self.child
        prompts = c.compile_pattern_list(self.prompts)
        prompt_idx = c.expect_list(prompts)

        # Flag whether the script ends normally or not, to know whether we can
        # do anything further with the underlying process.
        end_normal = True

        # If the output was requested, store it in a list for return at the end
        if get_output:
            output = []
            store_output = output.append

        for cmd in source:
            # skip blank lines for all matches to the 'main' prompt, while the
            # secondary prompts do not
            if prompt_idx==0 and \
                   (cmd.isspace() or cmd.lstrip().startswith('#')):
                write(cmd)
                continue

            # write('AFTER: '+c.after)  # dbg
            write(c.after)
            c.send(cmd)
            try:
                prompt_idx = c.expect_list(prompts)
            except pexpect.EOF:
                # this will happen if the child dies unexpectedly
                write(c.before)
                end_normal = False
                break

            write(c.before)

            # With an echoing process, the output we get in c.before contains
            # the command sent, a newline, and then the actual process output
            if get_output:
                store_output(c.before[len(cmd+'\n'):])
                #write('CMD: <<%s>>' % cmd)  # dbg
                #write('OUTPUT: <<%s>>' % output[-1])  # dbg

        self.out.flush()
        if end_normal:
            if interact:
                c.send('\n')
                print '<< Starting interactive mode >>',
                try:
                    c.interact()
                except OSError:
                    # This is what fires when the child stops.  Simply print a
                    # newline so the system prompt is aligned.  The extra
                    # space is there to make sure it gets printed, otherwise
                    # OS buffering sometimes just suppresses it.
                    write(' \n')
                    self.out.flush()
        else:
            if interact:
                e="Further interaction is not possible: child process is dead."
                print >> sys.stderr, e

        # Leave the child ready for more input later on, otherwise select just
        # hangs on the second invocation.
        if c.isalive():
            c.send('\n')

        # Return any requested output
        if get_output:
            return ''.join(output)
def run_source ( self , source , interact = False , get_output = False ) : # if the source is a string, chop it up in lines so we can iterate # over it just as if it were an open file. if isinstance ( source , basestring ) : source = source . splitlines ( True ) if self . echo : # normalize all strings we write to use the native OS line # separators. linesep = os . linesep stdwrite = self . out . write write = lambda s : stdwrite ( s . replace ( '\r\n' , linesep ) ) else : # Quiet mode, all writes are no-ops write = lambda s : None c = self . child prompts = c . compile_pattern_list ( self . prompts ) prompt_idx = c . expect_list ( prompts ) # Flag whether the script ends normally or not, to know whether we can # do anything further with the underlying process. end_normal = True # If the output was requested, store it in a list for return at the end if get_output : output = [ ] store_output = output . append for cmd in source : # skip blank lines for all matches to the 'main' prompt, while the # secondary prompts do not if prompt_idx == 0 and ( cmd . isspace ( ) or cmd . lstrip ( ) . startswith ( '#' ) ) : write ( cmd ) continue # write('AFTER: '+c.after)  # dbg write ( c . after ) c . send ( cmd ) try : prompt_idx = c . expect_list ( prompts ) except pexpect . EOF : # this will happen if the child dies unexpectedly write ( c . before ) end_normal = False break write ( c . before ) # With an echoing process, the output we get in c.before contains # the command sent, a newline, and then the actual process output if get_output : store_output ( c . before [ len ( cmd + '\n' ) : ] ) #write('CMD: <<%s>>' % cmd)  # dbg #write('OUTPUT: <<%s>>' % output[-1])  # dbg self . out . flush ( ) if end_normal : if interact : c . send ( '\n' ) print '<< Starting interactive mode >>' , try : c . interact ( ) except OSError : # This is what fires when the child stops.  Simply print a # newline so the system prompt is aligned.  The extra # space is there to make sure it gets printed, otherwise # OS buffering sometimes just suppresses it. write ( ' \n' ) self . out . flush ( ) else : if interact : e = "Further interaction is not possible: child process is dead." print >> sys . stderr , e # Leave the child ready for more input later on, otherwise select just # hangs on the second invocation. if c . isalive ( ) : c . send ( '\n' ) # Return any requested output if get_output : return '' . join ( output )
Run the given source code interactively.

        Inputs:

          - source: a string of code to be executed, or an open file object we
          can iterate over.

        Optional inputs:

          - interact(False): if true, start to interact with the running
          program at the end of the script.  Otherwise, just exit.

          - get_output(False): if true, capture the output of the child process
          (filtering the input commands out) and return it as a string.

        Returns:
          A string containing the process output, but only if requested.
Run the given source code interactively .