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#!/usr/bin/env python3 |
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"""This module is used for dealing with SQL databases, including CSV export.""" |
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import sqlite3 # the sql library |
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import csv # write to csv |
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import os # paths |
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import operator # for sorting |
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import time # current date |
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from bbarchivist import decorators # sql handlers |
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__author__ = "Thurask" |
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__license__ = "WTFPL v2" |
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__copyright__ = "Copyright 2015-2016 Thurask" |
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def prepare_path(): |
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""" |
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Figure out where the path is. |
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""" |
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sqlpath = os.path.join(os.path.expanduser("~"), "bbarchivist.db") |
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return sqlpath |
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@decorators.sql_excepthandler("False") |
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def prepare_sw_db(): |
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""" |
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Create SQLite database, if not already existing. |
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""" |
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cnxn = sqlite3.connect(prepare_path()) |
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with cnxn: |
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crs = cnxn.cursor() |
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reqid = "INTEGER PRIMARY KEY" |
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reqs = "TEXT NOT NULL UNIQUE COLLATE NOCASE" |
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reqs2 = "TEXT NOT NULL" |
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table = "Swrelease(Id {0}, Os {1}, Software {1}, Available {2}, Date {2})".format( |
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reqid, reqs, reqs2) |
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crs.execute("CREATE TABLE IF NOT EXISTS " + table) |
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@decorators.sql_excepthandler("True") |
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def insert(osversion, swrelease, available, curdate=None): |
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""" |
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Insert values into main SQLite database. |
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:param osversion: OS version. |
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:type osversion: str |
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:param swrelease: Software release. |
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:type swrelease: str |
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:param servers: If release is available. String converted boolean. |
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:type servers: str |
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:param curdate: If None, today. For manual dates, specify this. |
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:type curdate: str |
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""" |
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if curdate is None: |
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curdate = time.strftime("%Y %B %d") |
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cnxn = sqlite3.connect(prepare_path()) |
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with cnxn: |
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crs = cnxn.cursor() |
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try: # insert if new |
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crs.execute( |
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"INSERT INTO Swrelease(Os, Software, Available, Date) VALUES (?,?,?,?)", |
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(osversion, |
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swrelease, |
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available, |
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curdate)) |
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except sqlite3.IntegrityError: # update if not new |
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crs.execute("UPDATE Swrelease SET Available=? WHERE Os=? AND Software=?", |
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(available, osversion, swrelease)) |
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@decorators.sql_excepthandler("False") |
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def pop_sw_release(osversion, swrelease): |
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""" |
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Remove given entry from database. |
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:param osversion: OS version. |
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:type osversion: str |
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:param swrelease: Software release. |
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:type swrelease: str |
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""" |
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cnxn = sqlite3.connect(prepare_path()) |
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with cnxn: |
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crs = cnxn.cursor() |
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crs.execute("DELETE FROM Swrelease WHERE Os=? AND Software=?", (osversion, swrelease)) |
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@decorators.sql_excepthandler("False") |
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def check_exists(osversion, swrelease): |
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""" |
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Check if we did this one already. |
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:param osversion: OS version. |
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:type osversion: str |
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:param swrelease: Software release. |
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:type swrelease: str |
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""" |
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cnxn = sqlite3.connect(prepare_path()) |
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with cnxn: # check if exists |
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crs = cnxn.cursor() |
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exis = crs.execute( |
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"SELECT EXISTS (SELECT 1 FROM Swrelease WHERE Os=? AND Software=?)", |
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(osversion, |
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swrelease)).fetchone()[0] |
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return bool(exis) |
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@decorators.sql_excepthandler("False") |
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@decorators.sql_existhandler(prepare_path()) |
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def export_sql_db(): |
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""" |
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Export main SQL database into a CSV file. |
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""" |
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cnxn = sqlite3.connect(prepare_path()) |
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with cnxn: |
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csvpath = os.path.join(os.path.expanduser("~"), "swrelease.csv") |
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csvw = csv.writer(open(csvpath, "w"), dialect='excel') |
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crs = cnxn.cursor() |
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crs.execute("SELECT Os, Software, Available, Date FROM Swrelease") |
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rows = crs.fetchall() |
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sortedrows = sorted(rows, key=operator.itemgetter(0)) |
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csvw.writerow(('OS Version', 'Software Release', 'Available', 'Date Modified')) |
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csvw.writerows(sortedrows) |
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@decorators.sql_excepthandler("False") |
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@decorators.sql_existhandler(prepare_path()) |
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def list_sw_releases(avail=False): |
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""" |
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Return every SW/OS pair in the database. |
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:param avail: If we filter out non-available results. Default is false. |
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:type avail: bool |
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""" |
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cnxn = sqlite3.connect(prepare_path()) |
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with cnxn: |
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crs = cnxn.cursor() |
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query = "SELECT Os, Software, Available, Date FROM Swrelease" |
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if avail: |
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query += " WHERE Available= 'available'" |
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crs.execute(query) |
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rows = crs.fetchall() |
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return rows |
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thurask /
bbarchivist
