/
pydba_utils.py
276 lines (237 loc) · 8 KB
/
pydba_utils.py
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#!/usr/bin/python
# encoding: UTF8
# Fichero de utilidades para PyDBa
import pg # depends - python-pygresql
import _mysql # depends - python-mysqldb
import os # permite la función os.join
import getpass, subprocess
typeSHALib = None
try:
import hashlib
typeSHALib = "hashlib"
except ImportError:
import sha
typeSHALib = "sha"
ddb_cn = None
odb_cn = None
# Calcular extension de un fichero
def f_ext(filename):
name_s=filename.split(".")
return ".".join(name_s[1:])
def my_escape_string(text):
text=str(text)
transorder = [
"\\",
"\b","\f","\r","\t","\v","\n",
"\0","'","\""
]
transstr={
"\\": "\\\\",
"\b": "\\b",
"\f": "\\f",
"\n": "\\n",
"\r": "\\r",
"\t": "\\t",
"\v": "\\v",
"\0" : "\\0",
"'" : "\\'",
"\"" : "\\\"",
}
for key in transorder:
val = transstr[key]
text=text.replace(key,val)
return text
def copy_escapechars(text):
if text is None: return "\\N"
if text is True: return "t"
if text is False: return "f"
text=str(text)
transorder = [
"\\n",
"\\",
"\b","\f","\r","\t","\v","\n"
]
transstr={
"\\n": "\n",
"\\": "\\\\",
"\b": "\\b",
"\f": "\\f",
"\n": "\\n",
"\r": "\\r",
"\t": "\\t",
"\v": "\\v"
}
for key in transorder:
val = transstr[key]
text=text.replace(key,val)
return text
# Cargar un fichero en ASCII codificado como UTF8
def loadfile_inutf8(root, name):
f1=open(os.path.join(root, name),"r")
contents=f1.read()
f1.close()
contents=contents.decode('iso-8859-15')
contents=contents.encode('utf8')
return contents
flscriptparser_filelist = []
def flscriptparser(root=None,name=None,launch=False):
global flscriptparser_filelist
if root and name:
filename=os.path.join(root, name)
flscriptparser_filelist.append(filename)
if launch and len(flscriptparser_filelist)>0:
# os.execvp("flscriptparser2",["flscriptparser2"]+flscriptparser_filelist)
subprocess.call(["flscriptparser2"]+flscriptparser_filelist)
print
flscriptparser_filelist=[]
def sha_hexdigest(text):
global typeSHALib
if typeSHALib == "sha":
return sha.new(text).hexdigest()
elif typeSHALib == "hashlib":
return hashlib.sha1(text).hexdigest();
# Crear una firma SHA1 preferentemente a partir de iso-8859-15
def SHA1(text):
utext=text.decode("utf8")
isotext=""
for line in utext.split("\n"):
line+="\n"
try:
isotext+=line.encode("iso-8859-15")
except:
try:
isotext+=line.encode("windows-1250")
except:
try:
isotext+=line.encode("iso-8859-1")
except:
print line
return None
return sha_hexdigest(isotext)
def dbconnect(options):
global ddb_cn, odb_cn
if (not options.dpasswd):
options.dpasswd = getpass.getpass("dPassword:")
if (
options.ddriver == options.odriver and
options.dhost == options.ohost and
options.dport == options.oport and
options.ddb == options.odb and
options.duser == options.ouser
):
options.opasswd = options.dpasswd
options.samedatabase = True
if odb_cn:
ddb_cn = odb_cn
return ddb_cn
else:
print "WARN: El servidor de destino no es el mismo que el de origen."
print options.ddriver , options.odriver
print options.dhost ,options.ohost
print options.dport ,options.oport
print options.duser ,options.ouser
options.samedatabase = False
#options.dpasswd = raw_input("Password: ")
try:
if (options.ddriver=='mysql'):
cn = _mysql.connect(
db=options.ddb,
port=int(options.dport),
host=options.dhost,
user=options.duser,
passwd=options.dpasswd )
cn.set_character_set("UTF8") # Hacemos la codificación a UTF8.
# Si la conexión es a Postgres , de la siguiente manera
else:
cn = pg.connect(
dbname=options.ddb,
port=int(options.dport),
host=options.dhost,
user=options.duser,
passwd=options.dpasswd )
cn.query("SET client_encoding = 'UTF8';")
cn.query("SET client_min_messages = warning;");
try: cn.query("SET session_replication_role = replica;");
except Exception, e: print e
except:
print("Error trying to connect to database '%s' in host %s:%s"
" using user '%s'" % (
options.ddb,
options.dhost,
options.dport,
options.duser,
))
raise
return 0
if options.debug:
print("* Succesfully connected to database '%s' in host %s:%s"
" using user '%s'" % (
options.ddb,
options.dhost,
options.dport,
options.duser,
))
ddb_cn = cn
return cn
def odbconnect(options):
global ddb_cn, odb_cn
if (not options.opasswd):
options.opasswd = getpass.getpass("oPassword:")
if (
options.ddriver == options.odriver and
options.dhost == options.ohost and
options.dport == options.oport and
options.ddb == options.odb and
options.duser == options.ouser
):
options.dpasswd = options.opasswd
options.samedatabase = True
if ddb_cn:
odb_cn = ddb_cn
return odb_cn
else:
print "WARN: El servidor de destino no es el mismo que el de origen."
print options.ddriver , options.odriver
print options.dhost ,options.ohost
print options.dport ,options.oport
print options.duser ,options.ouser
options.samedatabase = False
#options.opasswd = raw_input("Password: ")
try:
if (options.odriver=='mysql'):
cn = _mysql.connect(
db=options.odb,
port=int(options.oport),
host=options.ohost,
user=options.ouser,
passwd=options.opasswd )
cn.set_character_set("UTF8") # Hacemos la codificación a UTF8.
# Si la conexión es a Postgres , de la siguiente manera
else:
cn = pg.connect(
dbname=options.odb,
port=int(options.oport),
host=options.ohost,
user=options.ouser,
passwd=options.opasswd )
cn.query("SET client_encoding = 'UTF8';")
cn.query("SET client_min_messages = warning;");
except:
print("Error trying to connect to *origin* database '%s' in host %s:%s"
" using user '%s'" % (
options.odb,
options.ohost,
options.oport,
options.ouser,
))
return 0
if options.debug:
print("* Succesfully connected to *origin* database '%s' in host %s:%s"
" using user '%s'" % (
options.odb,
options.ohost,
options.oport,
options.ouser,
))
odb_cn = cn
return cn