Remove a last println and use a static default parser

Heap profilers are fun

build_pycompat.py

@@ -1,3 +1,4 @@
#!/usr/bin/python3
from dateutil.parser import parse
from dateutil.tz import tzutc
from datetime import datetime
@@ -232,7 +233,7 @@ def test_fuzzy_simple(i, s):
    tzinfos: &HashMap<String, i32>,
) {

    let mut parser = Parser::new(info);
    let parser = Parser::new(info);
    let rs_parsed = parser.parse(
        s,
        dayfirst,
@@ -282,7 +283,7 @@ def test_fuzzy_simple(i, s):
    tzinfos: &HashMap<String, i32>,
) {

    let mut parser = Parser::new(info);
    let parser = Parser::new(info);
    let rs_parsed = parser.parse(
        s,
        dayfirst,

build_pycompat_tokenizer.py

@@ -1,3 +1,4 @@
#!/usr/bin/python3
from dateutil.parser import _timelex

from build_pycompat import tests

src/lib.rs

@@ -108,6 +108,7 @@ lazy_static! {
    static ref ONE: Decimal = Decimal::new(1, 0);
    static ref TWENTY_FOUR: Decimal = Decimal::new(24, 0);
    static ref SIXTY: Decimal = Decimal::new(60, 0);
    static ref DEFAULT_PARSER: Parser = Parser::default();
}

impl From<DecimalError> for ParseError {
@@ -670,7 +671,7 @@ impl Parser {
    /// order to be resolved.
    #[cfg_attr(feature = "cargo-clippy", allow(too_many_arguments))] // Need to release a 2.0 for changing public API
    pub fn parse(
        &mut self,
        &self,
        timestr: &str,
        dayfirst: Option<bool>,
        yearfirst: Option<bool>,
@@ -699,7 +700,7 @@ impl Parser {

    #[cfg_attr(feature = "cargo-clippy", allow(cyclomatic_complexity))] // Imitating Python API is priority
    fn parse_with_tokens(
        &mut self,
        &self,
        timestr: &str,
        dayfirst: Option<bool>,
        yearfirst: Option<bool>,
@@ -953,7 +954,6 @@ impl Parser {
    ) -> ParseResult<Option<FixedOffset>> {
        // TODO: Actual timezone support
        if let Some(offset) = res.tzoffset {
            println!("offset={}", offset);
            Ok(Some(FixedOffset::east(offset)))
        } else if res.tzoffset == None
            && (res.tzname == Some(" ".to_owned()) || res.tzname == Some(".".to_owned())
@@ -1283,7 +1283,7 @@ fn ljust(s: &str, chars: usize, replace: char) -> String {
/// The default implementation assumes English values for names of months,
/// days of the week, etc. It is equivalent to Python's `dateutil.parser.parse()`
pub fn parse(timestr: &str) -> ParseResult<(NaiveDateTime, Option<FixedOffset>)> {
    let res = Parser::default().parse(
    let res = DEFAULT_PARSER.parse(
        timestr,
        None,
        None,

src/tests/fuzzing.rs

@@ -16,7 +16,7 @@ fn test_fuzz() {
    // OverflowError: Python int too large to convert to C long
    // assert_eq!(parse("8888884444444888444444444881"), Err(ParseError::AmPmWithoutHour));
    let default = NaiveDate::from_ymd(2016, 6, 29).and_hms(0, 0, 0);
    let mut p = Parser::default();
    let p = Parser::default();
    let res = p.parse("\x0D\x31", None, None, false, false, Some(&default), false, &HashMap::new()).unwrap();
    assert_eq!(res.0, default);

src/tests/pycompat_parser.rs

@@ -39,7 +39,7 @@ fn parse_and_assert(
    tzinfos: &HashMap<String, i32>,
) {

    let mut parser = Parser::new(info);
    let parser = Parser::new(info);
    let rs_parsed = parser.parse(
        s,
        dayfirst,
@@ -89,7 +89,7 @@ fn parse_fuzzy_and_assert(
    tzinfos: &HashMap<String, i32>,
) {

    let mut parser = Parser::new(info);
    let parser = Parser::new(info);
    let rs_parsed = parser.parse(
        s,
        dayfirst,