diff options
Diffstat (limited to 'src/pyssg/database.py')
| -rw-r--r-- | src/pyssg/database.py | 87 |
1 files changed, 35 insertions, 52 deletions
diff --git a/src/pyssg/database.py b/src/pyssg/database.py index 913adb7..5a174c9 100644 --- a/src/pyssg/database.py +++ b/src/pyssg/database.py @@ -1,9 +1,11 @@ import os import sys +import csv from logging import Logger, getLogger from configparser import ConfigParser from .utils import get_checksum +from .database_entry import DatabaseEntry log: Logger = getLogger(__name__) @@ -11,27 +13,28 @@ log: Logger = getLogger(__name__) # db class that works for both html and md files class Database: __COLUMN_NUM: int = 5 + __COLUMN_DELIMITER: str = '|' def __init__(self, db_path: str, config: ConfigParser): log.debug('initializing the page db on path "%s"', db_path) self.db_path: str = db_path self.config: ConfigParser = config - self.e: dict[str, tuple[float, float, str, list[str]]] = dict() + self.e: dict[str, DatabaseEntry] = dict() # updates the tags for a specific entry (file) - # file_name only contains the entry name (without the absolute path) + # file_name only contains the entry name (not an absolute path) def update_tags(self, file_name: str, - tags: list[str]) -> None: + new_tags: list[str]) -> None: if file_name in self.e: log.debug('updating tags for entry "%s"', file_name) - cts, mts, checksum, old_tags = self.e[file_name] - log.debug('entry "%s" old content: (%s, %s, %s, (%s))', - file_name, cts, mts, checksum, ', '.join(old_tags)) - self.e[file_name] = (cts, mts, checksum, tags) - log.debug('entry "%s" new content: (%s, %s, %s, (%s))', - file_name, cts, mts, checksum, ', '.join(tags)) + log.debug('entry "%s" old content: %s', + file_name, self.e[file_name]) + + self.e[file_name].update_tags(new_tags) + log.debug('entry "%s" new content: %s', + file_name, self.e[file_name]) else: log.error('can\'t update tags for entry "%s",' ' as it is not present in db', file_name) @@ -64,23 +67,22 @@ class Database: #1) if f not in self.e: log.debug('entry "%s" didn\'t exist, adding with defaults', f) - self.e[f] = (time, 0.0, checksum, tags) + self.e[f] = DatabaseEntry([f, time, 0.0, checksum, tags]) return True - old_time, old_mod_time, old_checksum, tags = self.e[f] - log.debug('entry "%s" old content: (%s, %s, %s, (%s))', - f, old_time, old_mod_time, old_checksum, ', '.join(tags)) + # old_e is old entity + old_e: DatabaseEntry = self.e[f] + log.debug('entry "%s" old content: %s', f, old_e) # 2) - if checksum != old_checksum: - if old_mod_time == 0.0: + if checksum != old_e.checksum: + if old_e.mtimestamp == 0.0: log.debug('entry "%s" has been modified for the first' ' time, updating', f) else: log.debug('entry "%s" has been modified, updating', f) - self.e[f] = (old_time, time, checksum, tags) - log.debug('entry "%s" new content: (%s, %s, %s, (%s))', - f, old_time, time, checksum, ', '.join(tags)) + self.e[f] = DatabaseEntry([f, old_e.ctimestamp, time, checksum, tags]) + log.debug('entry "%s" new content: (%s, %s, %s, (%s))', f, self.e[f]) return True # 3) else: @@ -91,19 +93,10 @@ class Database: def write(self) -> None: log.debug('writing db') with open(self.db_path, 'w') as file: - for k, v in self.e.items(): - log.debug('parsing row for page "%s"', k) - t: str - row: str - if len(v[3]) == 0: - t = '-' - else: - t = ','.join(v[3]) - - row = f'{k} {v[0]} {v[1]} {v[2]} {t}' - - log.debug('writing row: "%s\\n"', row) - file.write(f'{row}\n') + for _, v in self.e.items(): + log.debug('writing row: %s', v) + csv_writer = csv.writer(file, delimiter=self.__COLUMN_DELIMITER) + csv_writer.writerow(v.get_raw_entry()) def _db_path_exists(self) -> bool: @@ -121,10 +114,11 @@ class Database: return True - def _read_raw(self) -> list[str]: - rows: list[str] - with open(self.db_path, 'r') as file: - rows = file.readlines() + def _get_csv_rows(self) -> list[list[str]]: + rows: list[list[str]] + with open(self.db_path, 'r') as f: + csv_reader = csv.reader(f, delimiter=self.__COLUMN_DELIMITER) + rows = list(csv_reader) log.debug('db contains %d rows', len(rows)) return rows @@ -135,30 +129,19 @@ class Database: if not self._db_path_exists(): return - rows: list[str] = self._read_raw() + rows: list[list[str]] = self._get_csv_rows() # l=list of values in entry log.debug('parsing rows from db') for it, row in enumerate(rows): i: int = it + 1 - r: str = row.strip() - log.debug('row %d content: "%s"', i, r) - # ignoring type error, as i'm doing the check later - # (file_name, ctimestamp, mtimestamp, checksum, [tags]) - cols: tuple[str, float, float, str, list[str]] = tuple(r.split()) # type: ignore - col_num: int = len(cols) + col_num: int = len(row) + log.debug('row %d content: "%s"', i, row) if col_num != self.__COLUMN_NUM: log.critical('row %d doesn\'t contain %s columns, contains %d' ' columns: "%s"', - i, self.__COLUMN_NUM, col_num, r) + i, self.__COLUMN_NUM, col_num, row) sys.exit(1) - t: list[str] - if cols[4] == '-': - t = [] - else: - # ignoring type error, the "check" is done in this whole if/else - t = cols[4].split(',') # type: ignore - log.debug('tag content: (%s)', ', '.join(t)) - - self.e[cols[0]] = (float(cols[1]), float(cols[2]), cols[3], t) + entry: DatabaseEntry = DatabaseEntry(row) + self.e[entry.fname] = entry |