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/opt/alt/python36/lib64/python3.6/idlelib/

/opt/alt/python36/lib64/python3.6/idlelib

Name	Size	Mode	Actions
Icons/	-	0755	rm
idle_test/	-	0755	rm
__pycache__/	-	0755	rm
autocomplete.py	9324	0644	edit dl rm
autocomplete_w.py	19829	0644	edit dl rm
autoexpand.py	3216	0644	edit dl rm
browser.py	8281	0644	edit dl rm
calltip.py	6067	0644	edit dl rm
calltip_w.py	7111	0644	edit dl rm
ChangeLog	56360	0644	edit dl rm
codecontext.py	10490	0644	edit dl rm
colorizer.py	11275	0644	edit dl rm
config-extensions.def	2266	0644	edit dl rm
config-highlight.def	2687	0644	edit dl rm
config-keys.def	10775	0644	edit dl rm
config-main.def	3128	0644	edit dl rm
config.py	38878	0644	edit dl rm
configdialog.py	101057	0644	edit dl rm
config_key.py	13408	0644	edit dl rm
CREDITS.txt	1866	0644	edit dl rm
debugger.py	19097	0644	edit dl rm
debugger_r.py	12140	0644	edit dl rm
debugobj.py	4055	0644	edit dl rm
debugobj_r.py	1082	0644	edit dl rm
delegator.py	1043	0644	edit dl rm
dynoption.py	2017	0644	edit dl rm
editor.py	67275	0644	edit dl rm
extend.txt	3642	0644	edit dl rm
filelist.py	3896	0644	edit dl rm
grep.py	6742	0644	edit dl rm
help.html	55114	0644	edit dl rm
help.py	11325	0644	edit dl rm
help_about.py	8981	0644	edit dl rm
history.py	4043	0644	edit dl rm
HISTORY.txt	10312	0644	edit dl rm
hyperparser.py	12882	0644	edit dl rm
idle.py	454	0644	edit dl rm
idle.pyw	570	0644	edit dl rm
iomenu.py	20734	0644	edit dl rm
macosx.py	9660	0644	edit dl rm
mainmenu.py	3703	0644	edit dl rm
multicall.py	18648	0644	edit dl rm
NEWS.txt	39839	0644	edit dl rm
NEWS2x.txt	27172	0644	edit dl rm
outwin.py	5808	0644	edit dl rm
paragraph.py	7167	0644	edit dl rm
parenmatch.py	7204	0644	edit dl rm
pathbrowser.py	3193	0644	edit dl rm
percolator.py	3130	0644	edit dl rm
pyparse.py	20118	0644	edit dl rm
pyshell.py	57728	0755	edit dl rm
query.py	12434	0644	edit dl rm
README.txt	9592	0644	edit dl rm
redirector.py	6875	0644	edit dl rm
replace.py	7502	0644	edit dl rm
rpc.py	21137	0644	edit dl rm
rstrip.py	868	0644	edit dl rm
run.py	17272	0644	edit dl rm
runscript.py	7841	0644	edit dl rm
scrolledlist.py	4458	0644	edit dl rm
search.py	3164	0644	edit dl rm
searchbase.py	7451	0644	edit dl rm
searchengine.py	7472	0644	edit dl rm
squeezer.py	13308	0644	edit dl rm
stackviewer.py	4454	0644	edit dl rm
statusbar.py	1441	0644	edit dl rm
textview.py	6121	0644	edit dl rm
TODO.txt	8478	0644	edit dl rm
tooltip.py	6486	0644	edit dl rm
tree.py	15089	0644	edit dl rm
undo.py	11047	0644	edit dl rm
window.py	2588	0644	edit dl rm
zoomheight.py	1340	0644	edit dl rm
zzdummy.py	961	0644	edit dl rm
_pyclbr.py	15199	0644	edit dl rm
__init__.py	396	0644	edit dl rm
__main__.py	159	0644	edit dl rm

Edit: /opt/alt/python36/lib64/python3.6/idlelib/hyperparser.py (12882B)

"""Provide advanced parsing abilities for ParenMatch and other extensions.

HyperParser uses PyParser.  PyParser mostly gives information on the
proper indentation of code.  HyperParser gives additional information on
the structure of code.
"""
from keyword import iskeyword
import string

from idlelib import pyparse

# all ASCII chars that may be in an identifier
_ASCII_ID_CHARS = frozenset(string.ascii_letters + string.digits + "_")
# all ASCII chars that may be the first char of an identifier
_ASCII_ID_FIRST_CHARS = frozenset(string.ascii_letters + "_")

# lookup table for whether 7-bit ASCII chars are valid in a Python identifier
_IS_ASCII_ID_CHAR = [(chr(x) in _ASCII_ID_CHARS) for x in range(128)]
# lookup table for whether 7-bit ASCII chars are valid as the first
# char in a Python identifier
_IS_ASCII_ID_FIRST_CHAR = \
    [(chr(x) in _ASCII_ID_FIRST_CHARS) for x in range(128)]

class HyperParser:
    def __init__(self, editwin, index):
        "To initialize, analyze the surroundings of the given index."

self.editwin = editwin
        self.text = text = editwin.text

parser = pyparse.Parser(editwin.indentwidth, editwin.tabwidth)

def index2line(index):
            return int(float(index))
        lno = index2line(text.index(index))

if not editwin.context_use_ps1:
            for context in editwin.num_context_lines:
                startat = max(lno - context, 1)
                startatindex = repr(startat) + ".0"
                stopatindex = "%d.end" % lno
                # We add the newline because PyParse requires a newline
                # at end. We add a space so that index won't be at end
                # of line, so that its status will be the same as the
                # char before it, if should.
                parser.set_code(text.get(startatindex, stopatindex)+' \n')
                bod = parser.find_good_parse_start(
                          editwin._build_char_in_string_func(startatindex))
                if bod is not None or startat == 1:
                    break
            parser.set_lo(bod or 0)
        else:
            r = text.tag_prevrange("console", index)
            if r:
                startatindex = r[1]
            else:
                startatindex = "1.0"
            stopatindex = "%d.end" % lno
            # We add the newline because PyParse requires it. We add a
            # space so that index won't be at end of line, so that its
            # status will be the same as the char before it, if should.
            parser.set_code(text.get(startatindex, stopatindex)+' \n')
            parser.set_lo(0)

# We want what the parser has, minus the last newline and space.
        self.rawtext = parser.code[:-2]
        # Parser.code apparently preserves the statement we are in, so
        # that stopatindex can be used to synchronize the string with
        # the text box indices.
        self.stopatindex = stopatindex
        self.bracketing = parser.get_last_stmt_bracketing()
        # find which pairs of bracketing are openers. These always
        # correspond to a character of rawtext.
        self.isopener = [i>0 and self.bracketing[i][1] >
                         self.bracketing[i-1][1]
                         for i in range(len(self.bracketing))]

self.set_index(index)

def set_index(self, index):
        """Set the index to which the functions relate.

The index must be in the same statement.
        """
        indexinrawtext = (len(self.rawtext) -
                          len(self.text.get(index, self.stopatindex)))
        if indexinrawtext < 0:
            raise ValueError("Index %s precedes the analyzed statement"
                             % index)
        self.indexinrawtext = indexinrawtext
        # find the rightmost bracket to which index belongs
        self.indexbracket = 0
        while (self.indexbracket < len(self.bracketing)-1 and
               self.bracketing[self.indexbracket+1][0] < self.indexinrawtext):
            self.indexbracket += 1
        if (self.indexbracket < len(self.bracketing)-1 and
            self.bracketing[self.indexbracket+1][0] == self.indexinrawtext and
           not self.isopener[self.indexbracket+1]):
            self.indexbracket += 1

def is_in_string(self):
        """Is the index given to the HyperParser in a string?"""
        # The bracket to which we belong should be an opener.
        # If it's an opener, it has to have a character.
        return (self.isopener[self.indexbracket] and
                self.rawtext[self.bracketing[self.indexbracket][0]]
                in ('"', "'"))

def is_in_code(self):
        """Is the index given to the HyperParser in normal code?"""
        return (not self.isopener[self.indexbracket] or
                self.rawtext[self.bracketing[self.indexbracket][0]]
                not in ('#', '"', "'"))

def get_surrounding_brackets(self, openers='([{', mustclose=False):
        """Return bracket indexes or None.

If the index given to the HyperParser is surrounded by a
        bracket defined in openers (or at least has one before it),
        return the indices of the opening bracket and the closing
        bracket (or the end of line, whichever comes first).

If it is not surrounded by brackets, or the end of line comes
        before the closing bracket and mustclose is True, returns None.
        """

bracketinglevel = self.bracketing[self.indexbracket][1]
        before = self.indexbracket
        while (not self.isopener[before] or
              self.rawtext[self.bracketing[before][0]] not in openers or
              self.bracketing[before][1] > bracketinglevel):
            before -= 1
            if before < 0:
                return None
            bracketinglevel = min(bracketinglevel, self.bracketing[before][1])
        after = self.indexbracket + 1
        while (after < len(self.bracketing) and
              self.bracketing[after][1] >= bracketinglevel):
            after += 1

beforeindex = self.text.index("%s-%dc" %
            (self.stopatindex, len(self.rawtext)-self.bracketing[before][0]))
        if (after >= len(self.bracketing) or
           self.bracketing[after][0] > len(self.rawtext)):
            if mustclose:
                return None
            afterindex = self.stopatindex
        else:
            # We are after a real char, so it is a ')' and we give the
            # index before it.
            afterindex = self.text.index(
                "%s-%dc" % (self.stopatindex,
                 len(self.rawtext)-(self.bracketing[after][0]-1)))

return beforeindex, afterindex

# the set of built-in identifiers which are also keywords,
    # i.e. keyword.iskeyword() returns True for them
    _ID_KEYWORDS = frozenset({"True", "False", "None"})

@classmethod
    def _eat_identifier(cls, str, limit, pos):
        """Given a string and pos, return the number of chars in the
        identifier which ends at pos, or 0 if there is no such one.

This ignores non-identifier eywords are not identifiers.
        """
        is_ascii_id_char = _IS_ASCII_ID_CHAR

# Start at the end (pos) and work backwards.
        i = pos

# Go backwards as long as the characters are valid ASCII
        # identifier characters. This is an optimization, since it
        # is faster in the common case where most of the characters
        # are ASCII.
        while i > limit and (
                ord(str[i - 1]) < 128 and
                is_ascii_id_char[ord(str[i - 1])]
        ):
            i -= 1

# If the above loop ended due to reaching a non-ASCII
        # character, continue going backwards using the most generic
        # test for whether a string contains only valid identifier
        # characters.
        if i > limit and ord(str[i - 1]) >= 128:
            while i - 4 >= limit and ('a' + str[i - 4:pos]).isidentifier():
                i -= 4
            if i - 2 >= limit and ('a' + str[i - 2:pos]).isidentifier():
                i -= 2
            if i - 1 >= limit and ('a' + str[i - 1:pos]).isidentifier():
                i -= 1

# The identifier candidate starts here. If it isn't a valid
            # identifier, don't eat anything. At this point that is only
            # possible if the first character isn't a valid first
            # character for an identifier.
            if not str[i:pos].isidentifier():
                return 0
        elif i < pos:
            # All characters in str[i:pos] are valid ASCII identifier
            # characters, so it is enough to check that the first is
            # valid as the first character of an identifier.
            if not _IS_ASCII_ID_FIRST_CHAR[ord(str[i])]:
                return 0

# All keywords are valid identifiers, but should not be
        # considered identifiers here, except for True, False and None.
        if i < pos and (
                iskeyword(str[i:pos]) and
                str[i:pos] not in cls._ID_KEYWORDS
        ):
            return 0

return pos - i

# This string includes all chars that may be in a white space
    _whitespace_chars = " \t\n\\"

def get_expression(self):
        """Return a string with the Python expression which ends at the
        given index, which is empty if there is no real one.
        """
        if not self.is_in_code():
            raise ValueError("get_expression should only be called "
                             "if index is inside a code.")

rawtext = self.rawtext
        bracketing = self.bracketing

brck_index = self.indexbracket
        brck_limit = bracketing[brck_index][0]
        pos = self.indexinrawtext

last_identifier_pos = pos
        postdot_phase = True

while 1:
            # Eat whitespaces, comments, and if postdot_phase is False - a dot
            while 1:
                if pos>brck_limit and rawtext[pos-1] in self._whitespace_chars:
                    # Eat a whitespace
                    pos -= 1
                elif (not postdot_phase and
                      pos > brck_limit and rawtext[pos-1] == '.'):
                    # Eat a dot
                    pos -= 1
                    postdot_phase = True
                # The next line will fail if we are *inside* a comment,
                # but we shouldn't be.
                elif (pos == brck_limit and brck_index > 0 and
                      rawtext[bracketing[brck_index-1][0]] == '#'):
                    # Eat a comment
                    brck_index -= 2
                    brck_limit = bracketing[brck_index][0]
                    pos = bracketing[brck_index+1][0]
                else:
                    # If we didn't eat anything, quit.
                    break

if not postdot_phase:
                # We didn't find a dot, so the expression end at the
                # last identifier pos.
                break

ret = self._eat_identifier(rawtext, brck_limit, pos)
            if ret:
                # There is an identifier to eat
                pos = pos - ret
                last_identifier_pos = pos
                # Now, to continue the search, we must find a dot.
                postdot_phase = False
                # (the loop continues now)

elif pos == brck_limit:
                # We are at a bracketing limit. If it is a closing
                # bracket, eat the bracket, otherwise, stop the search.
                level = bracketing[brck_index][1]
                while brck_index > 0 and bracketing[brck_index-1][1] > level:
                    brck_index -= 1
                if bracketing[brck_index][0] == brck_limit:
                    # We were not at the end of a closing bracket
                    break
                pos = bracketing[brck_index][0]
                brck_index -= 1
                brck_limit = bracketing[brck_index][0]
                last_identifier_pos = pos
                if rawtext[pos] in "([":
                    # [] and () may be used after an identifier, so we
                    # continue. postdot_phase is True, so we don't allow a dot.
                    pass
                else:
                    # We can't continue after other types of brackets
                    if rawtext[pos] in "'\"":
                        # Scan a string prefix
                        while pos > 0 and rawtext[pos - 1] in "rRbBuU":
                            pos -= 1
                        last_identifier_pos = pos
                    break

else:
                # We've found an operator or something.
                break

return rawtext[last_identifier_pos:self.indexinrawtext]

if __name__ == '__main__':
    from unittest import main
    main('idlelib.idle_test.test_hyperparser', verbosity=2)

cmd: