diff options
Diffstat (limited to 'bitbake/lib/prserv/db.py')
| -rw-r--r-- | bitbake/lib/prserv/db.py | 140 |
1 files changed, 91 insertions, 49 deletions
diff --git a/bitbake/lib/prserv/db.py b/bitbake/lib/prserv/db.py index b4bda7078c..eb41508198 100644 --- a/bitbake/lib/prserv/db.py +++ b/bitbake/lib/prserv/db.py @@ -38,9 +38,9 @@ class PRTable(object): self.read_only = read_only self.dirty = False if nohist: - self.table = "%s_nohist" % table + self.table = "%s_nohist" % table else: - self.table = "%s_hist" % table + self.table = "%s_hist" % table if self.read_only: table_exists = self._execute( @@ -64,7 +64,7 @@ class PRTable(object): try: return self.conn.execute(*query) except sqlite3.OperationalError as exc: - if 'is locked' in str(exc) and end > time.time(): + if "is locked" in str(exc) and end > time.time(): continue raise exc @@ -78,7 +78,53 @@ class PRTable(object): self.sync() self.dirty = False - def _getValueHist(self, version, pkgarch, checksum): + def test_package(self, version, pkgarch): + """Returns whether the specified package version is found in the database for the specified architecture""" + + # Just returns the value if found or None otherwise + data=self._execute("SELECT value FROM %s WHERE version=? AND pkgarch=?;" % self.table, + (version, pkgarch)) + row=data.fetchone() + if row is not None: + return True + else: + return False + + def test_value(self, version, pkgarch, value): + """Returns whether the specified value is found in the database for the specified package and architecture""" + + # Just returns the value if found or None otherwise + data=self._execute("SELECT value FROM %s WHERE version=? AND pkgarch=? and value=?;" % self.table, + (version, pkgarch, value)) + row=data.fetchone() + if row is not None: + return True + else: + return False + + def find_value(self, version, pkgarch, checksum): + """Returns the value for the specified checksum if found or None otherwise.""" + + data=self._execute("SELECT value FROM %s WHERE version=? AND pkgarch=? AND checksum=?;" % self.table, + (version, pkgarch, checksum)) + row=data.fetchone() + if row is not None: + return row[0] + else: + return None + + def find_max_value(self, version, pkgarch): + """Returns the greatest value for (version, pkgarch), or None if not found. Doesn't create a new value""" + + data = self._execute("SELECT max(value) FROM %s where version=? AND pkgarch=?;" % (self.table), + (version, pkgarch)) + row = data.fetchone() + if row is not None: + return row[0] + else: + return None + + def _get_value_hist(self, version, pkgarch, checksum): data=self._execute("SELECT value FROM %s WHERE version=? AND pkgarch=? AND checksum=?;" % self.table, (version, pkgarch, checksum)) row=data.fetchone() @@ -87,7 +133,7 @@ class PRTable(object): else: #no value found, try to insert if self.read_only: - data = self._execute("SELECT ifnull(max(value)+1,0) FROM %s where version=? AND pkgarch=?;" % (self.table), + data = self._execute("SELECT ifnull(max(value)+1, 0) FROM %s where version=? AND pkgarch=?;" % (self.table), (version, pkgarch)) row = data.fetchone() if row is not None: @@ -96,9 +142,9 @@ class PRTable(object): return 0 try: - self._execute("INSERT INTO %s VALUES (?, ?, ?, (select ifnull(max(value)+1,0) from %s where version=? AND pkgarch=?));" - % (self.table,self.table), - (version,pkgarch, checksum,version, pkgarch)) + self._execute("INSERT INTO %s VALUES (?, ?, ?, (select ifnull(max(value)+1, 0) from %s where version=? AND pkgarch=?));" + % (self.table, self.table), + (version, pkgarch, checksum, version, pkgarch)) except sqlite3.IntegrityError as exc: logger.error(str(exc)) @@ -112,10 +158,10 @@ class PRTable(object): else: raise prserv.NotFoundError - def _getValueNohist(self, version, pkgarch, checksum): + def _get_value_no_hist(self, version, pkgarch, checksum): data=self._execute("SELECT value FROM %s \ WHERE version=? AND pkgarch=? AND checksum=? AND \ - value >= (select max(value) from %s where version=? AND pkgarch=?);" + value >= (select max(value) from %s where version=? AND pkgarch=?);" % (self.table, self.table), (version, pkgarch, checksum, version, pkgarch)) row=data.fetchone() @@ -124,17 +170,13 @@ class PRTable(object): else: #no value found, try to insert if self.read_only: - data = self._execute("SELECT ifnull(max(value)+1,0) FROM %s where version=? AND pkgarch=?;" % (self.table), + data = self._execute("SELECT ifnull(max(value)+1, 0) FROM %s where version=? AND pkgarch=?;" % (self.table), (version, pkgarch)) - row = data.fetchone() - if row is not None: - return row[0] - else: - return 0 + return data.fetchone()[0] try: - self._execute("INSERT OR REPLACE INTO %s VALUES (?, ?, ?, (select ifnull(max(value)+1,0) from %s where version=? AND pkgarch=?));" - % (self.table,self.table), + self._execute("INSERT OR REPLACE INTO %s VALUES (?, ?, ?, (select ifnull(max(value)+1, 0) from %s where version=? AND pkgarch=?));" + % (self.table, self.table), (version, pkgarch, checksum, version, pkgarch)) except sqlite3.IntegrityError as exc: logger.error(str(exc)) @@ -150,17 +192,17 @@ class PRTable(object): else: raise prserv.NotFoundError - def getValue(self, version, pkgarch, checksum): + def get_value(self, version, pkgarch, checksum): if self.nohist: - return self._getValueNohist(version, pkgarch, checksum) + return self._get_value_no_hist(version, pkgarch, checksum) else: - return self._getValueHist(version, pkgarch, checksum) + return self._get_value_hist(version, pkgarch, checksum) - def _importHist(self, version, pkgarch, checksum, value): + def _import_hist(self, version, pkgarch, checksum, value): if self.read_only: return None - val = None + val = None data = self._execute("SELECT value FROM %s WHERE version=? AND pkgarch=? AND checksum=?;" % self.table, (version, pkgarch, checksum)) row = data.fetchone() @@ -183,27 +225,27 @@ class PRTable(object): val = row[0] return val - def _importNohist(self, version, pkgarch, checksum, value): + def _import_no_hist(self, version, pkgarch, checksum, value): if self.read_only: return None try: #try to insert self._execute("INSERT INTO %s VALUES (?, ?, ?, ?);" % (self.table), - (version, pkgarch, checksum,value)) + (version, pkgarch, checksum, value)) except sqlite3.IntegrityError as exc: #already have the record, try to update try: - self._execute("UPDATE %s SET value=? WHERE version=? AND pkgarch=? AND checksum=? AND value<?" + self._execute("UPDATE %s SET value=? WHERE version=? AND pkgarch=? AND checksum=? AND value<?" % (self.table), - (value,version,pkgarch,checksum,value)) + (value, version, pkgarch, checksum, value)) except sqlite3.IntegrityError as exc: logger.error(str(exc)) self.dirty = True data = self._execute("SELECT value FROM %s WHERE version=? AND pkgarch=? AND checksum=? AND value>=?;" % self.table, - (version,pkgarch,checksum,value)) + (version, pkgarch, checksum, value)) row=data.fetchone() if row is not None: return row[0] @@ -212,33 +254,33 @@ class PRTable(object): def importone(self, version, pkgarch, checksum, value): if self.nohist: - return self._importNohist(version, pkgarch, checksum, value) + return self._import_no_hist(version, pkgarch, checksum, value) else: - return self._importHist(version, pkgarch, checksum, value) + return self._import_hist(version, pkgarch, checksum, value) def export(self, version, pkgarch, checksum, colinfo): metainfo = {} - #column info + #column info if colinfo: - metainfo['tbl_name'] = self.table - metainfo['core_ver'] = prserv.__version__ - metainfo['col_info'] = [] + metainfo["tbl_name"] = self.table + metainfo["core_ver"] = prserv.__version__ + metainfo["col_info"] = [] data = self._execute("PRAGMA table_info(%s);" % self.table) for row in data: col = {} - col['name'] = row['name'] - col['type'] = row['type'] - col['notnull'] = row['notnull'] - col['dflt_value'] = row['dflt_value'] - col['pk'] = row['pk'] - metainfo['col_info'].append(col) + col["name"] = row["name"] + col["type"] = row["type"] + col["notnull"] = row["notnull"] + col["dflt_value"] = row["dflt_value"] + col["pk"] = row["pk"] + metainfo["col_info"].append(col) #data info datainfo = [] if self.nohist: sqlstmt = "SELECT T1.version, T1.pkgarch, T1.checksum, T1.value FROM %s as T1, \ - (SELECT version,pkgarch,max(value) as maxvalue FROM %s GROUP BY version,pkgarch) as T2 \ + (SELECT version, pkgarch, max(value) as maxvalue FROM %s GROUP BY version, pkgarch) as T2 \ WHERE T1.version=T2.version AND T1.pkgarch=T2.pkgarch AND T1.value=T2.maxvalue " % (self.table, self.table) else: sqlstmt = "SELECT * FROM %s as T1 WHERE 1=1 " % self.table @@ -261,12 +303,12 @@ class PRTable(object): else: data = self._execute(sqlstmt) for row in data: - if row['version']: + if row["version"]: col = {} - col['version'] = row['version'] - col['pkgarch'] = row['pkgarch'] - col['checksum'] = row['checksum'] - col['value'] = row['value'] + col["version"] = row["version"] + col["pkgarch"] = row["pkgarch"] + col["checksum"] = row["checksum"] + col["value"] = row["value"] datainfo.append(col) return (metainfo, datainfo) @@ -275,7 +317,7 @@ class PRTable(object): for line in self.conn.iterdump(): writeCount = writeCount + len(line) + 1 fd.write(line) - fd.write('\n') + fd.write("\n") return writeCount class PRData(object): @@ -302,7 +344,7 @@ class PRData(object): def disconnect(self): self.connection.close() - def __getitem__(self,tblname): + def __getitem__(self, tblname): if not isinstance(tblname, str): raise TypeError("tblname argument must be a string, not '%s'" % type(tblname)) @@ -316,4 +358,4 @@ class PRData(object): if tblname in self._tables: del self._tables[tblname] logger.info("drop table %s" % (tblname)) - self.connection.execute("DROP TABLE IF EXISTS %s;" % tblname) + self.connection.execute("DROP TABLE IF EXISTS %s;" % tblname) |