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<!doctype html>
<html>
<head>
<title>traceface</title>
<link rel="stylesheet" href="style.css">
<script src="frames.js"></script>
</head>
<body>
<button id="expand-all">expand all</button>
<button id="collapse-all">collapse all</button>
<div class="frame" style="padding-left: 0px" data-depth="0">
<p>
<b>match</b>
(/usr/lib/python3.6/re.py:172)
</p>
<code><span class="def">def match(pattern, string, flags=0):</span>
"""Try to apply the pattern at the start of the string, returning
a match object, or None if no match was found."""
<span class="call"> return _compile(pattern, flags).match(string)</span>
def fullmatch(pattern, string, flags=0):
"""Try to apply the pattern to all of the string, returning
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>string</td>
<td>'a'</td>
</tr>
<tr>
<td>pattern</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 50px" data-depth="1">
<p>
<b>_compile</b>
(/usr/lib/python3.6/re.py:289)
</p>
<code><span class="def">def _compile(pattern, flags):</span>
# internal: compile pattern
try:
<span class="call"> p, loc = _cache[type(pattern), pattern, flags]</span>
if loc is None or loc == _locale.setlocale(_locale.LC_CTYPE):
return p
except KeyError:
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>pattern</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 50px" data-depth="1">
<p>
<b>_compile</b>
(/usr/lib/python3.6/re.py:299)
</p>
<code><span class="def">def _compile(pattern, flags):</span>
raise ValueError(
"cannot process flags argument with a compiled pattern")
return pattern
<span class="call"> if not sre_compile.isstring(pattern):</span>
raise TypeError("first argument must be string or compiled pattern")
p = sre_compile.compile(pattern, flags)
if not (flags & DEBUG):
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>pattern</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 50px" data-depth="1">
<p>
<b>_compile</b>
(/usr/lib/python3.6/re.py:301)
</p>
<code><span class="def">def _compile(pattern, flags):</span>
return pattern
if not sre_compile.isstring(pattern):
raise TypeError("first argument must be string or compiled pattern")
<span class="call"> p = sre_compile.compile(pattern, flags)</span>
if not (flags & DEBUG):
if len(_cache) >= _MAXCACHE:
_cache.clear()
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>pattern</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 100px" data-depth="2">
<p>
<b>compile</b>
(/usr/lib/python3.6/sre_compile.py:560)
</p>
<code><span class="def">def compile(p, flags=0):</span>
# internal: convert pattern list to internal format
<span class="call"> if isstring(p):</span>
pattern = p
p = sre_parse.parse(p, flags)
else:
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>p</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 100px" data-depth="2">
<p>
<b>compile</b>
(/usr/lib/python3.6/sre_compile.py:562)
</p>
<code><span class="def">def compile(p, flags=0):</span>
if isstring(p):
pattern = p
<span class="call"> p = sre_parse.parse(p, flags)</span>
else:
pattern = None
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>p</td>
<td>'['</td>
</tr>
<tr>
<td>pattern</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 150px" data-depth="3">
<p>
<b>parse</b>
(/usr/lib/python3.6/sre_parse.py:847)
</p>
<code><span class="def">def parse(str, flags=0, pattern=None):</span>
# parse 're' pattern into list of (opcode, argument) tuples
<span class="call"> source = Tokenizer(str)</span>
if pattern is None:
pattern = Pattern()
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>pattern</td>
<td>None</td>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>str</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 200px" data-depth="4">
<p>
<b>__init__</b>
(/usr/lib/python3.6/sre_parse.py:231)
</p>
<code><span class="def"> def __init__(self, string):</span>
self.decoded_string = string
self.index = 0
self.next = None
<span class="call"> self.__next()</span>
def __next(self):
index = self.index
try:
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>string</td>
<td>'['</td>
</tr>
<tr>
<td>self</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 150px" data-depth="3">
<p>
<b>parse</b>
(/usr/lib/python3.6/sre_parse.py:850)
</p>
<code><span class="def">def parse(str, flags=0, pattern=None):</span>
source = Tokenizer(str)
if pattern is None:
<span class="call"> pattern = Pattern()</span>
pattern.flags = flags
pattern.str = str
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>pattern</td>
<td>None</td>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>str</td>
<td>'['</td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 150px" data-depth="3">
<p>
<b>parse</b>
(/usr/lib/python3.6/sre_parse.py:855)
</p>
<code><span class="def">def parse(str, flags=0, pattern=None):</span>
pattern.str = str
try:
<span class="call"> p = _parse_sub(source, pattern, flags & SRE_FLAG_VERBOSE, 0)</span>
except Verbose:
# the VERBOSE flag was switched on inside the pattern. to be
# on the safe side, we'll parse the whole thing again...
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>pattern</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>flags</td>
<td>0</td>
</tr>
<tr>
<td>str</td>
<td>'['</td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 200px" data-depth="4">
<p>
<b>_parse_sub</b>
(/usr/lib/python3.6/sre_parse.py:413)
</p>
<code><span class="def">def _parse_sub(source, state, verbose, nested):</span>
items = []
itemsappend = items.append
sourcematch = source.match
<span class="call"> start = source.tell()</span>
while True:
itemsappend(_parse(source, state, verbose, nested + 1,
not nested and not items))
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>nested</td>
<td>0</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>items</td>
<td>[]</td>
</tr>
<tr>
<td>itemsappend</td>
<td><built-in method append of list object at 0x7fc74832ea88></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 200px" data-depth="4">
<p>
<b>_parse_sub</b>
(/usr/lib/python3.6/sre_parse.py:416)
</p>
<code><span class="def">def _parse_sub(source, state, verbose, nested):</span>
start = source.tell()
while True:
itemsappend(_parse(source, state, verbose, nested + 1,
<span class="call"> not nested and not items))</span>
if not sourcematch("|"):
break
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>nested</td>
<td>0</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>items</td>
<td>[]</td>
</tr>
<tr>
<td>itemsappend</td>
<td><built-in method append of list object at 0x7fc74832ea88></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>start</td>
<td>0</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:472)
</p>
<code>
<span class="def">def _parse(source, state, verbose, nested, first=False):</span>
# parse a simple pattern
<span class="call"> subpattern = SubPattern(state)</span>
# precompute constants into local variables
subpatternappend = subpattern.append
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:488)
</p>
<code><span class="def">def _parse(source, state, verbose, nested, first=False):</span>
break # end of pattern
if this in "|)":
break # end of subpattern
<span class="call"> sourceget()</span>
if verbose:
# skip whitespace and comments
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>subpattern</td>
<td>[]</td>
</tr>
<tr>
<td>subpatternappend</td>
<td><bound method SubPattern.append of []></td>
</tr>
<tr>
<td>sourceget</td>
<td><bound method Tokenizer.get of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>_len</td>
<td><built-in function len></td>
</tr>
<tr>
<td>_ord</td>
<td><built-in function ord></td>
</tr>
<tr>
<td>this</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 300px" data-depth="6">
<p>
<b>get</b>
(/usr/lib/python3.6/sre_parse.py:255)
</p>
<code> return False
<span class="def"> def get(self):</span>
this = self.next
<span class="call"> self.__next()</span>
return this
def getwhile(self, n, charset):
result = ''
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>self</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>this</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 350px" data-depth="7">
<p>
<b>__next</b>
(/usr/lib/python3.6/sre_parse.py:235)
</p>
<code><span class="def"> def __next(self):</span>
index = self.index
try:
<span class="call"> char = self.decoded_string[index]</span>
except IndexError:
self.next = None
return
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>self</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>index</td>
<td>1</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:509)
</p>
<code><span class="def">def _parse(source, state, verbose, nested, first=False):</span>
subpatternappend((LITERAL, _ord(this)))
elif this == "[":
<span class="call"> here = source.tell() - 1</span>
# character set
set = []
setappend = set.append
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>subpattern</td>
<td>[]</td>
</tr>
<tr>
<td>subpatternappend</td>
<td><bound method SubPattern.append of []></td>
</tr>
<tr>
<td>sourceget</td>
<td><bound method Tokenizer.get of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>_len</td>
<td><built-in function len></td>
</tr>
<tr>
<td>_ord</td>
<td><built-in function ord></td>
</tr>
<tr>
<td>this</td>
<td>'['</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:515)
</p>
<code><span class="def">def _parse(source, state, verbose, nested, first=False):</span>
setappend = set.append
## if sourcematch(":"):
## pass # handle character classes
<span class="call"> if sourcematch("^"):</span>
setappend((NEGATE, None))
# check remaining characters
start = set[:]
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>subpattern</td>
<td>[]</td>
</tr>
<tr>
<td>subpatternappend</td>
<td><bound method SubPattern.append of []></td>
</tr>
<tr>
<td>sourceget</td>
<td><bound method Tokenizer.get of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>_len</td>
<td><built-in function len></td>
</tr>
<tr>
<td>_ord</td>
<td><built-in function ord></td>
</tr>
<tr>
<td>this</td>
<td>'['</td>
</tr>
<tr>
<td>here</td>
<td>0</td>
</tr>
<tr>
<td>set</td>
<td>[]</td>
</tr>
<tr>
<td>setappend</td>
<td><built-in method append of list object at 0x7fc748875fc8></td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:520)
</p>
<code><span class="def">def _parse(source, state, verbose, nested, first=False):</span>
# check remaining characters
start = set[:]
while True:
<span class="call"> this = sourceget()</span>
if this is None:
raise source.error("unterminated character set",
source.tell() - here)
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>subpattern</td>
<td>[]</td>
</tr>
<tr>
<td>subpatternappend</td>
<td><bound method SubPattern.append of []></td>
</tr>
<tr>
<td>sourceget</td>
<td><bound method Tokenizer.get of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>_len</td>
<td><built-in function len></td>
</tr>
<tr>
<td>_ord</td>
<td><built-in function ord></td>
</tr>
<tr>
<td>this</td>
<td>'['</td>
</tr>
<tr>
<td>here</td>
<td>0</td>
</tr>
<tr>
<td>set</td>
<td>[]</td>
</tr>
<tr>
<td>setappend</td>
<td><built-in method append of list object at 0x7fc748875fc8></td>
</tr>
<tr>
<td>start</td>
<td>[]</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 300px" data-depth="6">
<p>
<b>get</b>
(/usr/lib/python3.6/sre_parse.py:255)
</p>
<code> return False
<span class="def"> def get(self):</span>
this = self.next
<span class="call"> self.__next()</span>
return this
def getwhile(self, n, charset):
result = ''
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>self</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>this</td>
<td>None</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:523)
</p>
<code><span class="def">def _parse(source, state, verbose, nested, first=False):</span>
this = sourceget()
if this is None:
raise source.error("unterminated character set",
<span class="call"> source.tell() - here)</span>
if this == "]" and set != start:
break
elif this[0] == "\\":
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>subpattern</td>
<td>[]</td>
</tr>
<tr>
<td>subpatternappend</td>
<td><bound method SubPattern.append of []></td>
</tr>
<tr>
<td>sourceget</td>
<td><bound method Tokenizer.get of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>_len</td>
<td><built-in function len></td>
</tr>
<tr>
<td>_ord</td>
<td><built-in function ord></td>
</tr>
<tr>
<td>this</td>
<td>None</td>
</tr>
<tr>
<td>here</td>
<td>0</td>
</tr>
<tr>
<td>set</td>
<td>[]</td>
</tr>
<tr>
<td>setappend</td>
<td><built-in method append of list object at 0x7fc748875fc8></td>
</tr>
<tr>
<td>start</td>
<td>[]</td>
</tr>
</table>
</div>
<div class="frame" style="padding-left: 250px" data-depth="5">
<p>
<b>_parse</b>
(/usr/lib/python3.6/sre_parse.py:523)
</p>
<code><span class="def">def _parse(source, state, verbose, nested, first=False):</span>
this = sourceget()
if this is None:
raise source.error("unterminated character set",
<span class="call"> source.tell() - here)</span>
if this == "]" and set != start:
break
elif this[0] == "\\":
</code>
<table class="local-vars">
<tr>
<th>Local variable</th>
<th>Value</th>
</tr>
<tr>
<td>first</td>
<td>True</td>
</tr>
<tr>
<td>nested</td>
<td>1</td>
</tr>
<tr>
<td>verbose</td>
<td>0</td>
</tr>
<tr>
<td>state</td>
<td><sre_parse.Pattern object at 0x7fc74833b160></td>
</tr>
<tr>
<td>source</td>
<td><sre_parse.Tokenizer object at 0x7fc74833b710></td>
</tr>
<tr>
<td>subpattern</td>
<td>[]</td>
</tr>
<tr>
<td>subpatternappend</td>
<td><bound method SubPattern.append of []></td>
</tr>
<tr>
<td>sourceget</td>
<td><bound method Tokenizer.get of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>sourcematch</td>
<td><bound method Tokenizer.match of <sre_parse.Tokenizer object at 0x7fc74833b710>></td>
</tr>
<tr>
<td>_len</td>
<td><built-in function len></td>
</tr>
<tr>
<td>_ord</td>