v0.24.0: Add timestamp seconds to human readable

pyproject.toml

@@ -1,7 +1,7 @@
 # MARK: Project info
 [project]
 name = "corelibs"
-version = "0.23.0"
+version = "0.24.0"
 description = "Collection of utils for Python scripts"
 readme = "README.md"
 requires-python = ">=3.13"

src/corelibs/string_handling/timestamp_strings.py

@@ -110,3 +110,57 @@ def convert_to_seconds(time_string: str | int | float) -> int:
         seen_units.append(unit)
 
     return total_seconds
+
+
+def seconds_to_string(seconds: str | int | float, show_microseconds: bool = False) -> str:
+    """
+    Convert seconds to compact human readable format (e.g., "1d 2h 3m 4.567s")
+    Supports negative values with "-" prefix
+
+    Args:
+        seconds (float): Time in seconds (can be negative)
+        show_microseconds (bool): Whether to show microseconds precision
+
+    Returns:
+        str: Compact human readable time format
+    """
+    # if not int or float, return as is
+    if not isinstance(seconds, (int, float)):
+        return seconds
+    # Handle negative values
+    negative = seconds < 0
+    seconds = abs(seconds)
+
+    whole_seconds = int(seconds)
+    fractional = seconds - whole_seconds
+
+    days = whole_seconds // 86400
+    hours = (whole_seconds % 86400) // 3600
+    minutes = (whole_seconds % 3600) // 60
+    secs = whole_seconds % 60
+
+    parts: list[str] = []
+    if days > 0:
+        parts.append(f"{days}d")
+    if hours > 0:
+        parts.append(f"{hours}h")
+    if minutes > 0:
+        parts.append(f"{minutes}m")
+
+    # Handle seconds with fractional part
+    if fractional > 0:
+        if show_microseconds:
+            total_seconds = secs + fractional
+            formatted = f"{total_seconds:.6f}".rstrip('0').rstrip('.')
+            parts.append(f"{formatted}s")
+        else:
+            total_seconds = secs + fractional
+            formatted = f"{total_seconds:.3f}".rstrip('0').rstrip('.')
+            parts.append(f"{formatted}s")
+    elif secs > 0 or not parts:
+        parts.append(f"{secs}s")
+
+    result = " ".join(parts)
+    return f"-{result}" if negative else result
+
+# __END__

test-run/string_handling/timestamp_strings.py

@@ -4,7 +4,9 @@
 timestamp string checks
 """
 
-from corelibs.string_handling.timestamp_strings import convert_to_seconds, TimeParseError, TimeUnitError
+from corelibs.string_handling.timestamp_strings import (
+    seconds_to_string, convert_to_seconds, TimeParseError, TimeUnitError
+)
 
 
 def main() -> None:
@@ -21,10 +23,9 @@ def main() -> None:
         "1d 12h",          # 1 day, 12 hours
         "3M 2d 4h",        # 3 months, 2 days, 4 hours
         "45s",             # 45 seconds
-        "1 year 2 months", # 1 year, 2 months
+        "1 year 2 months",  # 1 year, 2 months
         "2Y 6M 15d 8h 30m 45s",  # Complex example
-    # ]
-    # invalid_test_cases = [
+        # invalid tests
         "5M 6d 2M",        # months appears twice
         "2h 30m 45s 1h",   # hours appears twice
         "1d 2 days",       # days appears twice (short and long form)
@@ -43,10 +44,33 @@ def main() -> None:
     for time_string in test_cases:
         try:
             result = convert_to_seconds(time_string)
-            print(f"{time_string} => {result}")
+            print(f"Human readable to seconds: {time_string} => {result}")
         except (TimeParseError, TimeUnitError) as e:
             print(f"Error encountered for {time_string}: {type(e).__name__}: {e}")
 
+    test_values = [
+        'as is string',
+        -172800.001234,  # -2 days, -0.001234 seconds
+        -90061.789,      # -1 day, -1 hour, -1 minute, -1.789 seconds
+        -3661.456,       # -1 hour, -1 minute, -1.456 seconds
+        -65.123,         # -1 minute, -5.123 seconds
+        -1.5,            # -1.5 seconds
+        -0.001,          # -1 millisecond
+        -0.000001,       # -1 microsecond
+        0,               # 0 seconds
+        0.000001,        # 1 microsecond
+        0.001,           # 1 millisecond
+        1.5,             # 1.5 seconds
+        65.123,          # 1 minute, 5.123 seconds
+        3661.456,        # 1 hour, 1 minute, 1.456 seconds
+        90061.789,       # 1 day, 1 hour, 1 minute, 1.789 seconds
+        172800.001234    # 2 days, 0.001234 seconds
+    ]
+
+    for time_value in test_values:
+        result = seconds_to_string(time_value, show_microseconds=True)
+        print(f"Seconds to human readable: {time_value} => {result}")
+
 
 if __name__ == "__main__":
     main()

tests/unit/string_handling/test_seconds_to_string.py

@@ -0,0 +1,186 @@
+"""
+PyTest: string_handling/timestamp_strings - seconds_to_string function
+"""
+
+from corelibs.string_handling.timestamp_strings import seconds_to_string
+
+
+class TestSecondsToString:
+    """Test suite for seconds_to_string function"""
+
+    def test_basic_integer_seconds(self):
+        """Test conversion of basic integer seconds"""
+        assert seconds_to_string(0) == "0s"
+        assert seconds_to_string(1) == "1s"
+        assert seconds_to_string(30) == "30s"
+        assert seconds_to_string(59) == "59s"
+
+    def test_minutes_conversion(self):
+        """Test conversion involving minutes"""
+        assert seconds_to_string(60) == "1m"
+        assert seconds_to_string(90) == "1m 30s"
+        assert seconds_to_string(120) == "2m"
+        assert seconds_to_string(3599) == "59m 59s"
+
+    def test_hours_conversion(self):
+        """Test conversion involving hours"""
+        assert seconds_to_string(3600) == "1h"
+        assert seconds_to_string(3660) == "1h 1m"
+        assert seconds_to_string(3661) == "1h 1m 1s"
+        assert seconds_to_string(7200) == "2h"
+        assert seconds_to_string(7260) == "2h 1m"
+
+    def test_days_conversion(self):
+        """Test conversion involving days"""
+        assert seconds_to_string(86400) == "1d"
+        assert seconds_to_string(86401) == "1d 1s"
+        assert seconds_to_string(90000) == "1d 1h"
+        assert seconds_to_string(90061) == "1d 1h 1m 1s"
+        assert seconds_to_string(172800) == "2d"
+
+    def test_complex_combinations(self):
+        """Test complex time combinations"""
+        # 1 day, 2 hours, 3 minutes, 4 seconds
+        total = 86400 + 7200 + 180 + 4
+        assert seconds_to_string(total) == "1d 2h 3m 4s"
+
+        # 5 days, 23 hours, 59 minutes, 59 seconds
+        total = 5 * 86400 + 23 * 3600 + 59 * 60 + 59
+        assert seconds_to_string(total) == "5d 23h 59m 59s"
+
+    def test_fractional_seconds_default_precision(self):
+        """Test fractional seconds with default precision (3 decimal places)"""
+        assert seconds_to_string(0.1) == "0.1s"
+        assert seconds_to_string(0.123) == "0.123s"
+        assert seconds_to_string(0.1234) == "0.123s"
+        assert seconds_to_string(1.5) == "1.5s"
+        assert seconds_to_string(1.567) == "1.567s"
+        assert seconds_to_string(1.5678) == "1.568s"
+
+    def test_fractional_seconds_microsecond_precision(self):
+        """Test fractional seconds with microsecond precision"""
+        assert seconds_to_string(0.1, show_microseconds=True) == "0.1s"
+        assert seconds_to_string(0.123456, show_microseconds=True) == "0.123456s"
+        assert seconds_to_string(0.1234567, show_microseconds=True) == "0.123457s"
+        assert seconds_to_string(1.5, show_microseconds=True) == "1.5s"
+        assert seconds_to_string(1.567890, show_microseconds=True) == "1.56789s"
+
+    def test_fractional_seconds_with_larger_units(self):
+        """Test fractional seconds combined with larger time units"""
+        # 1 minute and 30.5 seconds
+        assert seconds_to_string(90.5) == "1m 30.5s"
+        assert seconds_to_string(90.5, show_microseconds=True) == "1m 30.5s"
+
+        # 1 hour, 1 minute, and 1.123 seconds
+        total = 3600 + 60 + 1.123
+        assert seconds_to_string(total) == "1h 1m 1.123s"
+        assert seconds_to_string(total, show_microseconds=True) == "1h 1m 1.123s"
+
+    def test_negative_values(self):
+        """Test negative time values"""
+        assert seconds_to_string(-1) == "-1s"
+        assert seconds_to_string(-60) == "-1m"
+        assert seconds_to_string(-90) == "-1m 30s"
+        assert seconds_to_string(-3661) == "-1h 1m 1s"
+        assert seconds_to_string(-86401) == "-1d 1s"
+        assert seconds_to_string(-1.5) == "-1.5s"
+        assert seconds_to_string(-90.123) == "-1m 30.123s"
+
+    def test_zero_handling(self):
+        """Test various zero values"""
+        assert seconds_to_string(0) == "0s"
+        assert seconds_to_string(0.0) == "0s"
+        assert seconds_to_string(-0) == "0s"
+        assert seconds_to_string(-0.0) == "0s"
+
+    def test_float_input_types(self):
+        """Test various float input types"""
+        assert seconds_to_string(1.0) == "1s"
+        assert seconds_to_string(60.0) == "1m"
+        assert seconds_to_string(3600.0) == "1h"
+        assert seconds_to_string(86400.0) == "1d"
+
+    def test_large_values(self):
+        """Test handling of large time values"""
+        # 365 days (1 year)
+        year_seconds = 365 * 86400
+        assert seconds_to_string(year_seconds) == "365d"
+
+        # 1000 days
+        assert seconds_to_string(1000 * 86400) == "1000d"
+
+        # Large number with all units
+        large_time = 999 * 86400 + 23 * 3600 + 59 * 60 + 59.999
+        result = seconds_to_string(large_time)
+        assert result.startswith("999d")
+        assert "23h" in result
+        assert "59m" in result
+        assert "59.999s" in result
+
+    def test_rounding_behavior(self):
+        """Test rounding behavior for fractional seconds"""
+        # Default precision (3 decimal places) - values are truncated via rstrip
+        assert seconds_to_string(1.0004) == "1s"  # Truncates trailing zeros after rstrip
+        assert seconds_to_string(1.0005) == "1s"  # Truncates trailing zeros after rstrip
+        assert seconds_to_string(1.9999) == "2s"  # Rounds up and strips .000
+
+        # Microsecond precision (6 decimal places)
+        assert seconds_to_string(1.0000004, show_microseconds=True) == "1s"
+        assert seconds_to_string(1.0000005, show_microseconds=True) == "1.000001s"
+
+    def test_trailing_zero_removal(self):
+        """Test that trailing zeros are properly removed"""
+        assert seconds_to_string(1.100) == "1.1s"
+        assert seconds_to_string(1.120) == "1.12s"
+        assert seconds_to_string(1.123) == "1.123s"
+        assert seconds_to_string(1.100000, show_microseconds=True) == "1.1s"
+        assert seconds_to_string(1.123000, show_microseconds=True) == "1.123s"
+
+    def test_invalid_input_types(self):
+        """Test handling of invalid input types"""
+        # String inputs should be returned as-is
+        assert seconds_to_string("invalid") == "invalid"
+        assert seconds_to_string("not a number") == "not a number"
+        assert seconds_to_string("") == ""
+
+    def test_edge_cases_boundary_values(self):
+        """Test edge cases at unit boundaries"""
+        # Exactly 1 minute - 1 second
+        assert seconds_to_string(59) == "59s"
+        assert seconds_to_string(59.999) == "59.999s"
+
+        # Exactly 1 hour - 1 second
+        assert seconds_to_string(3599) == "59m 59s"
+        assert seconds_to_string(3599.999) == "59m 59.999s"
+
+        # Exactly 1 day - 1 second
+        assert seconds_to_string(86399) == "23h 59m 59s"
+        assert seconds_to_string(86399.999) == "23h 59m 59.999s"
+
+    def test_very_small_fractional_seconds(self):
+        """Test very small fractional values"""
+        assert seconds_to_string(0.001) == "0.001s"
+        assert seconds_to_string(0.0001) == "0s"  # Below default precision
+        assert seconds_to_string(0.000001, show_microseconds=True) == "0.000001s"
+        assert seconds_to_string(0.0000001, show_microseconds=True) == "0s"  # Below microsecond precision
+
+    def test_precision_consistency(self):
+        """Test that precision is consistent across different scenarios"""
+        # With other units present
+        assert seconds_to_string(61.123456) == "1m 1.123s"
+        assert seconds_to_string(61.123456, show_microseconds=True) == "1m 1.123456s"
+
+        # Large values with fractional seconds
+        large_val = 90061.123456  # 1d 1h 1m 1.123456s
+        assert seconds_to_string(large_val) == "1d 1h 1m 1.123s"
+        assert seconds_to_string(large_val, show_microseconds=True) == "1d 1h 1m 1.123456s"
+
+    def test_string_numeric_inputs(self):
+        """Test string inputs that represent numbers"""
+        # String inputs should be returned as-is, even if they look like numbers
+        assert seconds_to_string("60") == "60"
+        assert seconds_to_string("1.5") == "1.5"
+        assert seconds_to_string("0") == "0"
+        assert seconds_to_string("-60") == "-60"
+
+# __END__

uv.lock

@@ -53,7 +53,7 @@ wheels = [
 
 [[package]]
 name = "corelibs"
-version = "0.22.6"
+version = "0.23.0"
 source = { editable = "." }
 dependencies = [
     { name = "jmespath" },