Repository: mitsuhiko/minijinja
Pull request #550 (2024-07-31 16:15:34)

Align |int filter with Jinja2
This aligns the behavior of the `|int` filter close with Jinja2.


Patch:
diff --git a/minijinja/src/filters.rs b/minijinja/src/filters.rs
index 14a431b..aef99da 100644
--- a/minijinja/src/filters.rs
+++ b/minijinja/src/filters.rs
@@ -642,23 +642,18 @@ mod builtins {
             ValueRepr::U64(_) | ValueRepr::I64(_) | ValueRepr::U128(_) | ValueRepr::I128(_) => {
                 Ok(value)
             }
-            ValueRepr::F64(v) => {
-                let x = *v as i128;
-                if x as f64 == *v {
-                    Ok(Value::from(x))
+            ValueRepr::F64(v) => Ok(Value::from(*v as i128)),
+            ValueRepr::String(..) | ValueRepr::SmallStr(_) => {
+                let s = value.as_str().unwrap();
+                if let Ok(i) = s.parse::<i128>() {
+                    Ok(Value::from(i))
                 } else {
-                    Err(Error::new(
-                        ErrorKind::InvalidOperation,
-                        format!("cannot convert float {} to integer", v),
-                    ))
+                    match s.parse::<f64>() {
+                        Ok(f) => Ok(Value::from(f as i128)),
+                        Err(err) => Err(Error::new(ErrorKind::InvalidOperation, err.to_string())),
+                    }
                 }
             }
-            ValueRepr::String(..) | ValueRepr::SmallStr(_) => value
-                .as_str()
-                .unwrap()
-                .parse::<i128>()
-                .map(Value::from)
-                .map_err(|err| Error::new(ErrorKind::InvalidOperation, err.to_string())),
             ValueRepr::Bytes(_) | ValueRepr::Object(_) => Err(Error::new(
                 ErrorKind::InvalidOperation,
                 format!("cannot convert {} to integer", value.kind()),


Test patch:
diff --git a/minijinja/tests/inputs/filters.txt b/minijinja/tests/inputs/filters.txt
index 5ce2613..e705ca9 100644
--- a/minijinja/tests/inputs/filters.txt
+++ b/minijinja/tests/inputs/filters.txt
@@ -102,7 +102,7 @@ map-attr-int: {{ [[1], [1, 2]]|map(attribute=1, default=999) }}
 attr-filter: {{ map|attr("a") }}
 unique-filter: {{ [1, 1, 1, 4, 3, 0, 0, 5]|unique }}
 pprint-filter: {{ objects|pprint }}
-int-filter: {{ true|int }}, {{ "42"|int }}, {{ "-23"|int }}, {{ 42.0|int }}
+int-filter: {{ true|int }}, {{ "42"|int }}, {{ "-23"|int }}, {{ 42.0|int }}, {{ 42.42|int }}, {{ "42.42"|int }}
 float-filter: {{ true|float }}, {{ "42"|float }}, {{ "-23.5"|float }}, {{ 42.5|float }}
 split: {{ three_words|split|list }}
 split-at-and: {{ three_words|split(" and ")|list }}
diff --git a/minijinja/tests/snapshots/test_templates__vm@filters.txt.snap b/minijinja/tests/snapshots/test_templates__vm@filters.txt.snap
index 504ec68..240887a 100644
--- a/minijinja/tests/snapshots/test_templates__vm@filters.txt.snap
+++ b/minijinja/tests/snapshots/test_templates__vm@filters.txt.snap
@@ -1,6 +1,6 @@
 ---
 source: minijinja/tests/test_templates.rs
-description: "lower: {{ word|lower }}\nupper: {{ word|upper }}\ntitle: {{ word|title }}\ntitle-sentence: {{ \"the bIrd, is The:word\"|title }}\ntitle-three-words: {{ three_words|title }}\ncapitalize: {{ word|capitalize }}\ncapitalize-three-words: {{ three_words|capitalize }}\nreplace: {{ word|replace(\"B\", \"th\") }}\nescape: {{ \"<\"|escape }}\ne: {{ \"<\"|e }}\ndouble-escape: {{ \"<\"|escape|escape }}\nsafe: {{ \"<\"|safe|escape }}\nlist-length: {{ list|length }}\nlist-from-list: {{ list|list }}\nlist-from-map: {{ map|list }}\nlist-from-word: {{ word|list }}\nlist-from-undefined: {{ undefined|list }}\nbool-empty-string: {{ \"\"|bool }}\nbool-non-empty-string: {{ \"hello\"|bool }}\nbool-empty-list: {{ []|bool }}\nbool-non-empty-list: {{ [42]|bool }}\nbool-undefined: {{ undefined|bool }}\nmap-length: {{ map|length }}\nstring-length: {{ word|length }}\nstring-count: {{ word|count }}\nreverse-list: {{ list|reverse }}\nreverse-string: {{ word|reverse }}\ntrim: |{{ word_with_spaces|trim }}|\ntrim-bird: {{ word|trim(\"Bd\") }}\njoin-default: {{ list|join }}\njoin-pipe: {{ list|join(\"|\") }}\njoin_string: {{ word|join('-') }}\ndefault: {{ undefined|default == \"\" }}\ndefault-value: {{ undefined|default(42) }}\nfirst-list: {{ list|first }}\nfirst-word: {{ word|first }}\nfirst-undefined: {{ []|first is undefined }}\nlast-list: {{ list|last }}\nlast-word: {{ word|last }}\nlast-undefined: {{ []|first is undefined }}\nmin: {{ other_list|min }}\nmax: {{ other_list|max }}\nsort: {{ other_list|sort }}\nsort-reverse: {{ other_list|sort(reverse=true) }}\nsort-case-insensitive: {{ [\"B\", \"a\", \"C\", \"z\"]|sort }}\nsort-case-sensitive: {{ [\"B\", \"a\", \"C\", \"z\"]|sort(case_sensitive=true) }}\nsort-case-insensitive-mixed: {{ [0, 1, \"true\", \"false\", \"True\", \"False\", true, false]|sort }}\nsort-case-sensitive-mixed: {{ [0, 1, \"true\", \"false\", \"True\", \"False\", true, false]|sort(case_sensitive=true) }}\nsort-attribute {{ objects|sort(attribute=\"name\") }}\nd: {{ undefined|d == \"\" }}\njson: {{ map|tojson }}\njson-pretty: {{ map|tojson(true) }}\njson-scary-html: {{ scary_html|tojson }}\nurlencode: {{ \"hello world/foo-bar_baz.txt\"|urlencode }}\nurlencode-kv: {{ dict(a=\"x y\", b=2, c=3, d=None)|urlencode }}\nbatch: {{ range(10)|batch(3) }}\nbatch-fill: {{ range(10)|batch(3, '-') }}\nslice: {{ range(10)|slice(3) }}\nslice-fill: {{ range(10)|slice(3, '-') }}\nitems: {{ dict(a=1)|items }}\nindent: {{ \"foo\\nbar\\nbaz\"|indent(2)|tojson }}\nindent-first-line: {{ \"foo\\nbar\\nbaz\"|indent(2, true)|tojson }}\nint-abs: {{ -42|abs }}\nfloat-abs: {{ -42.5|abs }}\nint-round: {{ 42|round }}\nfloat-round: {{ 42.5|round }}\nfloat-round-prec2: {{ 42.512345|round(2) }}\nselect-odd: {{ [1, 2, 3, 4, 5, 6]|select(\"odd\") }}\nselect-truthy: {{ [undefined, null, 0, 42, 23, \"\", \"aha\"]|select }}\nreject-truthy: {{ [undefined, null, 0, 42, 23, \"\", \"aha\"]|reject }}\nreject-odd: {{ [1, 2, 3, 4, 5, 6]|reject(\"odd\") }}\nselect-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|selectattr(\"active\") }}\nreject-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|rejectattr(\"active\") }}\nselect-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|selectattr(\"key\", \"even\") }}\nreject-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|rejectattr(\"key\", \"even\") }}\nmap-maps: {{ [-1, -2, 3, 4, -5]|map(\"abs\") }}\nmap-attr: {{ [dict(a=1), dict(a=2), {}]|map(attribute='a', default=None) }}\nmap-attr-undefined: {{ [dict(a=1), dict(a=2), {}]|map(attribute='a', default=definitely_undefined) }}\nmap-attr-deep: {{ [dict(a=[1]), dict(a=[2]), dict(a=[])]|map(attribute='a.0', default=None) }}\nmap-attr-int: {{ [[1], [1, 2]]|map(attribute=1, default=999) }}\nattr-filter: {{ map|attr(\"a\") }}\nunique-filter: {{ [1, 1, 1, 4, 3, 0, 0, 5]|unique }}\npprint-filter: {{ objects|pprint }}\nint-filter: {{ true|int }}, {{ \"42\"|int }}, {{ \"-23\"|int }}, {{ 42.0|int }}\nfloat-filter: {{ true|float }}, {{ \"42\"|float }}, {{ \"-23.5\"|float }}, {{ 42.5|float }}\nsplit: {{ three_words|split|list }}\nsplit-at-and: {{ three_words|split(\" and \")|list }}\nsplit-n-ws: {{ three_words|split(none, 1)|list }}\nsplit-n-d: {{ three_words|split(\"d\", 1)|list }}\nsplit-n-ws-filter-empty: {{ \"  foo    bar baz  \"|split(none, 1)|list }}"
+description: "lower: {{ word|lower }}\nupper: {{ word|upper }}\ntitle: {{ word|title }}\ntitle-sentence: {{ \"the bIrd, is The:word\"|title }}\ntitle-three-words: {{ three_words|title }}\ncapitalize: {{ word|capitalize }}\ncapitalize-three-words: {{ three_words|capitalize }}\nreplace: {{ word|replace(\"B\", \"th\") }}\nescape: {{ \"<\"|escape }}\ne: {{ \"<\"|e }}\ndouble-escape: {{ \"<\"|escape|escape }}\nsafe: {{ \"<\"|safe|escape }}\nlist-length: {{ list|length }}\nlist-from-list: {{ list|list }}\nlist-from-map: {{ map|list }}\nlist-from-word: {{ word|list }}\nlist-from-undefined: {{ undefined|list }}\nbool-empty-string: {{ \"\"|bool }}\nbool-non-empty-string: {{ \"hello\"|bool }}\nbool-empty-list: {{ []|bool }}\nbool-non-empty-list: {{ [42]|bool }}\nbool-undefined: {{ undefined|bool }}\nmap-length: {{ map|length }}\nstring-length: {{ word|length }}\nstring-count: {{ word|count }}\nreverse-list: {{ list|reverse }}\nreverse-string: {{ word|reverse }}\ntrim: |{{ word_with_spaces|trim }}|\ntrim-bird: {{ word|trim(\"Bd\") }}\njoin-default: {{ list|join }}\njoin-pipe: {{ list|join(\"|\") }}\njoin_string: {{ word|join('-') }}\ndefault: {{ undefined|default == \"\" }}\ndefault-value: {{ undefined|default(42) }}\nfirst-list: {{ list|first }}\nfirst-word: {{ word|first }}\nfirst-undefined: {{ []|first is undefined }}\nlast-list: {{ list|last }}\nlast-word: {{ word|last }}\nlast-undefined: {{ []|first is undefined }}\nmin: {{ other_list|min }}\nmax: {{ other_list|max }}\nsort: {{ other_list|sort }}\nsort-reverse: {{ other_list|sort(reverse=true) }}\nsort-case-insensitive: {{ [\"B\", \"a\", \"C\", \"z\"]|sort }}\nsort-case-sensitive: {{ [\"B\", \"a\", \"C\", \"z\"]|sort(case_sensitive=true) }}\nsort-case-insensitive-mixed: {{ [0, 1, \"true\", \"false\", \"True\", \"False\", true, false]|sort }}\nsort-case-sensitive-mixed: {{ [0, 1, \"true\", \"false\", \"True\", \"False\", true, false]|sort(case_sensitive=true) }}\nsort-attribute {{ objects|sort(attribute=\"name\") }}\nd: {{ undefined|d == \"\" }}\njson: {{ map|tojson }}\njson-pretty: {{ map|tojson(true) }}\njson-scary-html: {{ scary_html|tojson }}\nurlencode: {{ \"hello world/foo-bar_baz.txt\"|urlencode }}\nurlencode-kv: {{ dict(a=\"x y\", b=2, c=3, d=None)|urlencode }}\nbatch: {{ range(10)|batch(3) }}\nbatch-fill: {{ range(10)|batch(3, '-') }}\nslice: {{ range(10)|slice(3) }}\nslice-fill: {{ range(10)|slice(3, '-') }}\nitems: {{ dict(a=1)|items }}\nindent: {{ \"foo\\nbar\\nbaz\"|indent(2)|tojson }}\nindent-first-line: {{ \"foo\\nbar\\nbaz\"|indent(2, true)|tojson }}\nint-abs: {{ -42|abs }}\nfloat-abs: {{ -42.5|abs }}\nint-round: {{ 42|round }}\nfloat-round: {{ 42.5|round }}\nfloat-round-prec2: {{ 42.512345|round(2) }}\nselect-odd: {{ [1, 2, 3, 4, 5, 6]|select(\"odd\") }}\nselect-truthy: {{ [undefined, null, 0, 42, 23, \"\", \"aha\"]|select }}\nreject-truthy: {{ [undefined, null, 0, 42, 23, \"\", \"aha\"]|reject }}\nreject-odd: {{ [1, 2, 3, 4, 5, 6]|reject(\"odd\") }}\nselect-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|selectattr(\"active\") }}\nreject-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|rejectattr(\"active\") }}\nselect-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|selectattr(\"key\", \"even\") }}\nreject-attr: {{ [dict(active=true, key=1), dict(active=false, key=2)]|rejectattr(\"key\", \"even\") }}\nmap-maps: {{ [-1, -2, 3, 4, -5]|map(\"abs\") }}\nmap-attr: {{ [dict(a=1), dict(a=2), {}]|map(attribute='a', default=None) }}\nmap-attr-undefined: {{ [dict(a=1), dict(a=2), {}]|map(attribute='a', default=definitely_undefined) }}\nmap-attr-deep: {{ [dict(a=[1]), dict(a=[2]), dict(a=[])]|map(attribute='a.0', default=None) }}\nmap-attr-int: {{ [[1], [1, 2]]|map(attribute=1, default=999) }}\nattr-filter: {{ map|attr(\"a\") }}\nunique-filter: {{ [1, 1, 1, 4, 3, 0, 0, 5]|unique }}\npprint-filter: {{ objects|pprint }}\nint-filter: {{ true|int }}, {{ \"42\"|int }}, {{ \"-23\"|int }}, {{ 42.0|int }}, {{ 42.42|int }}, {{ \"42.42\"|int }}\nfloat-filter: {{ true|float }}, {{ \"42\"|float }}, {{ \"-23.5\"|float }}, {{ 42.5|float }}\nsplit: {{ three_words|split|list }}\nsplit-at-and: {{ three_words|split(\" and \")|list }}\nsplit-n-ws: {{ three_words|split(none, 1)|list }}\nsplit-n-d: {{ three_words|split(\"d\", 1)|list }}\nsplit-n-ws-filter-empty: {{ \"  foo    bar baz  \"|split(none, 1)|list }}"
 info:
   word: Bird
   word_with_spaces: " Spacebird\n"
@@ -117,7 +117,7 @@ pprint-filter: [
         "name": "a",
     },
 ]
-int-filter: 1, 42, -23, 42
+int-filter: 1, 42, -23, 42, 42, 42
 float-filter: 1.0, 42.0, -23.5, 42.5
 split: ["bird", "and", "dinosaur"]
 split-at-and: ["bird", "dinosaur"]