reorg to avoid circular import

src/pycalver/__main__.py

@@ -71,9 +71,9 @@ def incr(old_version: str, verbose: int = 0, release: str = None) -> None:
     """Increment a version number for demo purposes."""
     _init_logging(verbose=max(_VERBOSE, verbose))
 
-    if release and release not in parse.VALID_RELESE_VALUES:
+    if release and release not in parse.VALID_RELEASE_VALUES:
         log.error(f"Invalid argument --release={release}")
-        log.error(f"Valid arguments are: {', '.join(parse.VALID_RELESE_VALUES)}")
+        log.error(f"Valid arguments are: {', '.join(parse.VALID_RELEASE_VALUES)}")
         sys.exit(1)
 
     new_version    = version.incr(old_version, release=release)
@@ -91,7 +91,7 @@ def _update_cfg_from_vcs(cfg: config.Config, fetch: bool) -> config.Config:
             log.info(f"fetching tags from remote")
             _vcs.fetch()
 
-        version_tags = [tag for tag in _vcs.ls_tags() if parse.PYCALVER_RE.match(tag)]
+        version_tags = [tag for tag in _vcs.ls_tags() if version.PYCALVER_RE.match(tag)]
         if version_tags:
             version_tags.sort(reverse=True)
             log.debug(f"found {len(version_tags)} tags: {version_tags[:2]}")
@@ -110,7 +110,9 @@ def _update_cfg_from_vcs(cfg: config.Config, fetch: bool) -> config.Config:
 
 @cli.command()
 @click.option('-v', '--verbose', count=True, help="Control log level. -vv for debug level.")
-@click.option('-f', "--fetch/--no-fetch", is_flag=True, default=True, help="Sync tags from remote origin.")
+@click.option(
+    '-f', "--fetch/--no-fetch", is_flag=True, default=True, help="Sync tags from remote origin."
+)
 def show(verbose: int = 0, fetch: bool = True) -> None:
     """Show current version."""
     _init_logging(verbose=max(_VERBOSE, verbose))
@@ -232,9 +234,9 @@ def bump(
     verbose = max(_VERBOSE, verbose)
     _init_logging(verbose)
 
-    if release and release not in parse.VALID_RELESE_VALUES:
+    if release and release not in parse.VALID_RELEASE_VALUES:
         log.error(f"Invalid argument --release={release}")
-        log.error(f"Valid arguments are: {', '.join(parse.VALID_RELESE_VALUES)}")
+        log.error(f"Valid arguments are: {', '.join(parse.VALID_RELEASE_VALUES)}")
         sys.exit(1)
 
     ctx: config.ProjectContext = config.init_project_ctx(project_path=".")

src/pycalver/config.py

@@ -15,7 +15,6 @@ import datetime as dt
 
 import logging
 
-from .parse import PYCALVER_RE
 from . import version
 
 log = logging.getLogger("pycalver.config")
@@ -179,7 +178,7 @@ def _parse_config(raw_cfg: RawConfig) -> Config:
     version_str = raw_cfg['current_version']
     version_str = raw_cfg['current_version'] = version_str.strip("'\" ")
 
-    if PYCALVER_RE.match(version_str) is None:
+    if version.PYCALVER_RE.match(version_str) is None:
         raise ValueError(f"Invalid current_version = {version_str}")
 
     pep440_version = version.pycalver_to_pep440(version_str)

src/pycalver/parse.py

@@ -3,63 +3,18 @@
 #
 # Copyright (c) 2018 Manuel Barkhau (@mbarkhau) - MIT License
 # SPDX-License-Identifier: MIT
-"""Parse PyCalVer strings.
+"""Parse PyCalVer strings from files."""
-
->>> version_info = PYCALVER_RE.match("v201712.0123-alpha").groupdict()
->>> assert version_info == {
-...     "version" : "v201712.0123-alpha",
-...     "calver"  : "v201712",
-...     "year"    : "2017",
-...     "month"   : "12",
-...     "build"   : ".0123",
-...     "release" : "-alpha",
-... }
->>>
->>> version_info = PYCALVER_RE.match("v201712.0033").groupdict()
->>> assert version_info == {
-...     "version" : "v201712.0033",
-...     "calver"  : "v201712",
-...     "year"    : "2017",
-...     "month"   : "12",
-...     "build"   : ".0033",
-...     "release" : None,
-... }
-"""
 
 import re
 import logging
 import typing as typ
 
-from . import version
-
 log = logging.getLogger("pycalver.parse")
 
 
-VALID_RELESE_VALUES = ("alpha", "beta", "dev", "rc", "post")
+VALID_RELEASE_VALUES = ("alpha", "beta", "dev", "rc", "post")
 
 
-# https://regex101.com/r/fnj60p/10
-PYCALVER_PATTERN = r"""
-\b
-(?P<version>
-    (?P<calver>
-       v                        # "v" version prefix
-       (?P<year>\d{4})
-       (?P<month>\d{2})
-    )
-    (?P<build>
-        \.                      # "." build nr prefix
-        \d{4,}
-    )
-    (?P<release>
-        \-                      # "-" release prefix
-        (?:alpha|beta|dev|rc|post)
-    )?
-)(?:\s|$)
-"""
-
-PYCALVER_RE: typ.Pattern[str] = re.compile(PYCALVER_PATTERN, flags=re.VERBOSE)
-
 PATTERN_ESCAPES = [
     ("\u005c", "\u005c\u005c"),
     ("-"     , "\u005c-"),
@@ -86,41 +41,6 @@ RE_PATTERN_PARTS = {
 }
 
 
-class VersionInfo(typ.NamedTuple):
-    """Container for parsed version string."""
-
-    version       : str
-    pep440_version: str
-    calver        : str
-    year          : str
-    month         : str
-    build         : str
-    release       : typ.Optional[str]
-
-
-def parse_version_info(version_str: str) -> VersionInfo:
-    """Parse a PyCalVer string.
-
-    >>> vnfo = parse_version_info("v201712.0033-beta")
-    >>> assert vnfo == VersionInfo(
-    ...     version="v201712.0033-beta",
-    ...     pep440_version="201712.33b0",
-    ...     calver="v201712",
-    ...     year="2017",
-    ...     month="12",
-    ...     build=".0033",
-    ...     release="-beta",
-    ... )
-    """
-    match = PYCALVER_RE.match(version_str)
-    if match is None:
-        raise ValueError(f"Invalid PyCalVer string: {version_str}")
-
-    kwargs = match.groupdict()
-    kwargs['pep440_version'] = version.pycalver_to_pep440(kwargs['version'])
-    return VersionInfo(**kwargs)
-
-
 class PatternMatch(typ.NamedTuple):
     """Container to mark a version string in a file."""
 

src/pycalver/rewrite.py

@@ -12,6 +12,7 @@ import typing as typ
 
 from . import parse
 from . import config
+from . import version
 
 
 log = logging.getLogger("pycalver.rewrite")
@@ -47,7 +48,7 @@ def rewrite_lines(
     >>> new_lines = rewrite_lines(patterns, "v201811.0123-beta", old_lines)
     >>> assert new_lines == ['__version__ = "v201811.0123-beta"']
     """
-    new_version_nfo        = parse.parse_version_info(new_version)
+    new_version_nfo        = version.parse_version_info(new_version)
     new_version_fmt_kwargs = new_version_nfo._asdict()
 
     new_lines = old_lines.copy()

src/pycalver/version.py

@@ -3,19 +3,98 @@
 #
 # Copyright (c) 2018 Manuel Barkhau (@mbarkhau) - MIT License
 # SPDX-License-Identifier: MIT
-"""Functions related to version string manipulation."""
+"""Functions related to version string manipulation.
 
+>>> version_info = PYCALVER_RE.match("v201712.0123-alpha").groupdict()
+>>> assert version_info == {
+...     "version" : "v201712.0123-alpha",
+...     "calver"  : "v201712",
+...     "year"    : "2017",
+...     "month"   : "12",
+...     "build"   : ".0123",
+...     "release" : "-alpha",
+... }
+>>>
+>>> version_info = PYCALVER_RE.match("v201712.0033").groupdict()
+>>> assert version_info == {
+...     "version" : "v201712.0033",
+...     "calver"  : "v201712",
+...     "year"    : "2017",
+...     "month"   : "12",
+...     "build"   : ".0033",
+...     "release" : None,
+... }
+"""
+
+import re
 import logging
 import pkg_resources
 import typing as typ
 import datetime as dt
 
 from . import lex_id
-from . import parse
 
 log = logging.getLogger("pycalver.version")
 
 
+# https://regex101.com/r/fnj60p/10
+PYCALVER_PATTERN = r"""
+\b
+(?P<version>
+    (?P<calver>
+       v                        # "v" version prefix
+       (?P<year>\d{4})
+       (?P<month>\d{2})
+    )
+    (?P<build>
+        \.                      # "." build nr prefix
+        \d{4,}
+    )
+    (?P<release>
+        \-                      # "-" release prefix
+        (?:alpha|beta|dev|rc|post)
+    )?
+)(?:\s|$)
+"""
+
+PYCALVER_RE: typ.Pattern[str] = re.compile(PYCALVER_PATTERN, flags=re.VERBOSE)
+
+
+class VersionInfo(typ.NamedTuple):
+    """Container for parsed version string."""
+
+    version       : str
+    pep440_version: str
+    calver        : str
+    year          : str
+    month         : str
+    build         : str
+    release       : typ.Optional[str]
+
+
+def parse_version_info(version_str: str) -> VersionInfo:
+    """Parse a PyCalVer string.
+
+    >>> vnfo = parse_version_info("v201712.0033-beta")
+    >>> assert vnfo == VersionInfo(
+    ...     version="v201712.0033-beta",
+    ...     pep440_version="201712.33b0",
+    ...     calver="v201712",
+    ...     year="2017",
+    ...     month="12",
+    ...     build=".0033",
+    ...     release="-beta",
+    ... )
+    """
+    match = PYCALVER_RE.match(version_str)
+    if match is None:
+        raise ValueError(f"Invalid PyCalVer string: {version_str}")
+
+    kwargs = match.groupdict()
+    kwargs['pep440_version'] = pycalver_to_pep440(kwargs['version'])
+    return VersionInfo(**kwargs)
+
+
 def current_calver() -> str:
     """Generate calver version string based on current date.
 
@@ -30,7 +109,7 @@ def incr(old_version: str, *, release: str = None) -> str:
     Old_version is assumed to be a valid calver string,
     already validated in pycalver.config.parse.
     """
-    old_ver = parse.parse_version_info(old_version)
+    old_ver = parse_version_info(old_version)
 
     new_calver = current_calver()
 

test/test_parse.py

@@ -2,34 +2,6 @@ import re
 from pycalver import parse
 
 
-def test_readme_pycalver1():
-    version_str  = "v201712.0001-alpha"
-    version_info = parse.PYCALVER_RE.match(version_str).groupdict()
-
-    assert version_info == {
-        'version': "v201712.0001-alpha",
-        'calver' : "v201712",
-        'year'   : "2017",
-        'month'  : "12",
-        'build'  : ".0001",
-        'release': "-alpha",
-    }
-
-
-def test_readme_pycalver2():
-    version_str  = "v201712.0033"
-    version_info = parse.PYCALVER_RE.match(version_str).groupdict()
-
-    assert version_info == {
-        'version': "v201712.0033",
-        'calver' : "v201712",
-        'year'   : "2017",
-        'month'  : "12",
-        'build'  : ".0033",
-        'release': None,
-    }
-
-
 def test_re_pattern_parts():
     part_re_by_name = {
         part_name: re.compile(part_re_str)
@@ -73,30 +45,6 @@ def test_re_pattern_parts():
             assert result_val == expected, (part_name, line)
 
 
-def test_parse_version_info():
-    version_str = "v201712.0001-alpha"
-    version_nfo = parse.parse_version_info(version_str)
-
-    assert version_nfo.pep440_version == "201712.1a0"
-    assert version_nfo.version        == "v201712.0001-alpha"
-    assert version_nfo.calver         == "v201712"
-    assert version_nfo.year           == "2017"
-    assert version_nfo.month          == "12"
-    assert version_nfo.build          == ".0001"
-    assert version_nfo.release        == "-alpha"
-
-    version_str = "v201712.0001"
-    version_nfo = parse.parse_version_info(version_str)
-
-    assert version_nfo.pep440_version == "201712.1"
-    assert version_nfo.version        == "v201712.0001"
-    assert version_nfo.calver         == "v201712"
-    assert version_nfo.year           == "2017"
-    assert version_nfo.month          == "12"
-    assert version_nfo.build          == ".0001"
-    assert version_nfo.release is None
-
-
 SETUP_PY_FIXTURE = """
 # setup.py
 import setuptools
@@ -167,27 +115,3 @@ def test_badge_parse_patterns():
 
     assert matches[0].match == "badge/CalVer-v201809.0002--beta-blue.svg"
     assert matches[1].match == ":alt: CalVer v201809.0002-beta"
-
-
-def test_parse_error_empty():
-    try:
-        parse.parse_version_info("")
-        assert False
-    except ValueError as err:
-        pass
-
-
-def test_parse_error_noprefix():
-    try:
-        parse.parse_version_info("201809.0002")
-        assert False
-    except ValueError as err:
-        pass
-
-
-def test_parse_error_nopadding():
-    try:
-        parse.parse_version_info("v201809.2b0")
-        assert False
-    except ValueError as err:
-        pass

test/test_version.py

@@ -52,3 +52,79 @@ def test_bump_random(monkeypatch):
         )
         assert cur_version < new_version
         cur_version = new_version
+
+
+def test_parse_version_info():
+    version_str = "v201712.0001-alpha"
+    version_nfo = version.parse_version_info(version_str)
+
+    assert version_nfo.pep440_version == "201712.1a0"
+    assert version_nfo.version        == "v201712.0001-alpha"
+    assert version_nfo.calver         == "v201712"
+    assert version_nfo.year           == "2017"
+    assert version_nfo.month          == "12"
+    assert version_nfo.build          == ".0001"
+    assert version_nfo.release        == "-alpha"
+
+    version_str = "v201712.0001"
+    version_nfo = version.parse_version_info(version_str)
+
+    assert version_nfo.pep440_version == "201712.1"
+    assert version_nfo.version        == "v201712.0001"
+    assert version_nfo.calver         == "v201712"
+    assert version_nfo.year           == "2017"
+    assert version_nfo.month          == "12"
+    assert version_nfo.build          == ".0001"
+    assert version_nfo.release is None
+
+
+def test_readme_pycalver1():
+    version_str  = "v201712.0001-alpha"
+    version_info = version.PYCALVER_RE.match(version_str).groupdict()
+
+    assert version_info == {
+        'version': "v201712.0001-alpha",
+        'calver' : "v201712",
+        'year'   : "2017",
+        'month'  : "12",
+        'build'  : ".0001",
+        'release': "-alpha",
+    }
+
+
+def test_readme_pycalver2():
+    version_str  = "v201712.0033"
+    version_info = version.PYCALVER_RE.match(version_str).groupdict()
+
+    assert version_info == {
+        'version': "v201712.0033",
+        'calver' : "v201712",
+        'year'   : "2017",
+        'month'  : "12",
+        'build'  : ".0033",
+        'release': None,
+    }
+
+
+def test_parse_error_empty():
+    try:
+        version.parse_version_info("")
+        assert False
+    except ValueError as err:
+        pass
+
+
+def test_parse_error_noprefix():
+    try:
+        version.parse_version_info("201809.0002")
+        assert False
+    except ValueError as err:
+        pass
+
+
+def test_parse_error_nopadding():
+    try:
+        version.parse_version_info("v201809.2b0")
+        assert False
+    except ValueError as err:
+        pass