# Microsoft Installer Library
# (C) 2003 Martin v. Loewis

import win32com.client.gencache
import win32com.client
import pythoncom, pywintypes
from win32com.client import constants
import re, string, os, sets, glob, popen2, sys, _winreg, struct

try:
   basestring
except NameError:
   basestring = (str, unicode)

# Partially taken from Wine
datasizemask=      0x00ff
type_valid=        0x0100
type_localizable=  0x0200

typemask=          0x0c00
type_long=         0x0000
type_short=        0x0400
type_string=       0x0c00
type_binary=       0x0800

type_nullable=     0x1000
type_key=          0x2000
# XXX temporary, localizable?
knownbits = datasizemask | type_valid | type_localizable | \
           typemask | type_nullable | type_key

# Summary Info Property IDs
PID_CODEPAGE=1
PID_TITLE=2
PID_SUBJECT=3
PID_AUTHOR=4
PID_KEYWORDS=5
PID_COMMENTS=6
PID_TEMPLATE=7
PID_LASTAUTHOR=8
PID_REVNUMBER=9
PID_LASTPRINTED=11
PID_CREATE_DTM=12
PID_LASTSAVE_DTM=13
PID_PAGECOUNT=14
PID_WORDCOUNT=15
PID_CHARCOUNT=16
PID_APPNAME=18
PID_SECURITY=19

def reset():
   global _directories
   _directories = sets.Set()

def EnsureMSI():
   win32com.client.gencache.EnsureModule('{000C1092-0000-0000-C000-000000000046}', 1033, 1, 0)

def EnsureMSM():
   try:
       win32com.client.gencache.EnsureModule('{0ADDA82F-2C26-11D2-AD65-00A0C9AF11A6}', 0, 1, 0)
   except pywintypes.com_error:
       win32com.client.gencache.EnsureModule('{0ADDA82F-2C26-11D2-AD65-00A0C9AF11A6}', 0, 2, 0)

_Installer=None
def MakeInstaller():
   global _Installer
   if _Installer is None:
       EnsureMSI()
       _Installer = win32com.client.Dispatch('WindowsInstaller.Installer',
                    resultCLSID='{000C1090-0000-0000-C000-000000000046}')
   return _Installer

_Merge=None
def MakeMerge2():
   global _Merge
   if _Merge is None:
       EnsureMSM()
       _Merge = win32com.client.Dispatch("Msm.Merge2.1")
   return _Merge

class Table:
   def __init__(self, name):
       self.name = name
       self.fields = []

   def add_field(self, index, name, type):
       self.fields.append((index,name,type))

   def sql(self):
       fields = []
       keys = []
       self.fields.sort()
       fields = [None]*len(self.fields)
       for index, name, type in self.fields:
           index -= 1
           unk = type & ~knownbits
           if unk:
               print "%s.%s unknown bits %x" % (self.name, name, unk)
           size = type & datasizemask
           dtype = type & typemask
           if dtype == type_string:
               if size:
                   tname="CHAR(%d)" % size
               else:
                   tname="CHAR"
           elif dtype == type_short:
               assert size==2
               tname = "SHORT"
           elif dtype == type_long:
               assert size==4
               tname="LONG"
           elif dtype == type_binary:
               assert size==0
               tname="OBJECT"
           else:
               tname="unknown"
               print "%s.%sunknown integer type %d" % (self.name, name, size)
           if type & type_nullable:
               flags = ""
           else:
               flags = " NOT NULL"
           if type & type_localizable:
               flags += " LOCALIZABLE"
           fields[index] = "`%s` %s%s" % (name, tname, flags)
           if type & type_key:
               keys.append("`%s`" % name)
       fields = ", ".join(fields)
       keys = ", ".join(keys)
       return "CREATE TABLE %s (%s PRIMARY KEY %s)" % (self.name, fields, keys)

   def create(self, db):
       v = db.OpenView(self.sql())
       v.Execute(None)
       v.Close()

class Binary:
   def __init__(self, fname):
       self.name = fname
   def __repr__(self):
       return 'msilib.Binary(os.path.join(dirname,"%s"))' % self.name

def gen_schema(destpath, schemapath):
   d = MakeInstaller()
   schema = d.OpenDatabase(schemapath,
           win32com.client.constants.msiOpenDatabaseModeReadOnly)

   # XXX ORBER BY
   v=schema.OpenView("SELECT * FROM _Columns")
   curtable=None
   tables = []
   v.Execute(None)
   f = open(destpath, "wt")
   f.write("from msilib import Table\n")
   while 1:
       r=v.Fetch()
       if not r:break
       name=r.StringData(1)
       if curtable != name:
           f.write("\n%s = Table('%s')\n" % (name,name))
           curtable = name
           tables.append(name)
       f.write("%s.add_field(%d,'%s',%d)\n" %
               (name, r.IntegerData(2), r.StringData(3), r.IntegerData(4)))
   v.Close()

   f.write("\ntables=[%s]\n\n" % (", ".join(tables)))

   # Fill the _Validation table
   f.write("_Validation_records = [\n")
   v = schema.OpenView("SELECT * FROM _Validation")
   v.Execute(None)
   while 1:
       r = v.Fetch()
       if not r:break
       # Table, Column, Nullable
       f.write("(%s,%s,%s," %
               (`r.StringData(1)`, `r.StringData(2)`, `r.StringData(3)`))
       def put_int(i):
           if r.IsNull(i):f.write("None, ")
           else:f.write("%d," % r.IntegerData(i))
       def put_str(i):
           if r.IsNull(i):f.write("None, ")
           else:f.write("%s," % `r.StringData(i)`)
       put_int(4) # MinValue
       put_int(5) # MaxValue
       put_str(6) # KeyTable
       put_int(7) # KeyColumn
       put_str(8) # Category
       put_str(9) # Set
       put_str(10)# Description
       f.write("),\n")
   f.write("]\n\n")

   f.close()

def gen_sequence(destpath, msipath):
   dir = os.path.dirname(destpath)
   d = MakeInstaller()
   seqmsi = d.OpenDatabase(msipath,
           win32com.client.constants.msiOpenDatabaseModeReadOnly)

   v = seqmsi.OpenView("SELECT * FROM _Tables");
   v.Execute(None)
   f = open(destpath, "w")
   print >>f, "import msilib,os;dirname=os.path.dirname(__file__)"
   tables = []
   while 1:
       r = v.Fetch()
       if not r:break
       table = r.StringData(1)
       tables.append(table)
       f.write("%s = [\n" % table)
       v1 = seqmsi.OpenView("SELECT * FROM `%s`" % table)
       v1.Execute(None)
       info = v1.ColumnInfo(constants.msiColumnInfoTypes)
       while 1:
           r = v1.Fetch()
           if not r:break
           rec = []
           for i in range(1,r.FieldCount+1):
               if r.IsNull(i):
                   rec.append(None)
               elif info.StringData(i)[0] in "iI":
                   rec.append(r.IntegerData(i))
               elif info.StringData(i)[0] in "slSL":
                   rec.append(r.StringData(i))
               elif info.StringData(i)[0]=="v":
                   size = r.DataSize(i)
                   bytes = r.ReadStream(i, size, constants.msiReadStreamBytes)
                   bytes = bytes.encode("latin-1") # binary data represented "as-is"
                   if table == "Binary":
                       fname = rec[0]+".bin"
                       open(os.path.join(dir,fname),"wb").write(bytes)
                       rec.append(Binary(fname))
                   else:
                       rec.append(bytes)
               else:
                   raise "Unsupported column type", info.StringData(i)
           f.write(repr(tuple(rec))+",\n")
       v1.Close()
       f.write("]\n\n")
   v.Close()
   f.write("tables=%s\n" % repr(map(str,tables)))
   f.close()

class _Unspecified:pass
def change_sequence(seq, action, seqno=_Unspecified, cond = _Unspecified):
   "Change the sequence number of an action in a sequence list"
   for i in range(len(seq)):
       if seq[i][0] == action:
           if cond is _Unspecified:
               cond = seq[i][1]
           if seqno is _Unspecified:
               seqno = seq[i][2]
           seq[i] = (action, cond, seqno)
           return
   raise ValueError, "Action not found in sequence"

def add_data(db, table, values):
   d = MakeInstaller()
   v = db.OpenView("SELECT * FROM `%s`" % table)
   count = v.ColumnInfo(0).FieldCount
   r = d.CreateRecord(count)
   for value in values:
       assert len(value) == count, value
       for i in range(count):
           field = value[i]
           if isinstance(field, (int, long)):
               r.SetIntegerData(i+1,field)
           elif isinstance(field, basestring):
               r.SetStringData(i+1,field)
           elif field is None:
               pass
           elif isinstance(field, Binary):
               r.SetStream(i+1, field.name)
           else:
               raise TypeError, "Unsupported type %s" % field.__class__.__name__
       v.Modify(win32com.client.constants.msiViewModifyInsert, r)
       r.ClearData()
   v.Close()

def add_stream(db, name, path):
   d = MakeInstaller()
   v = db.OpenView("INSERT INTO _Streams (Name, Data) VALUES ('%s', ?)" % name)
   r = d.CreateRecord(1)
   r.SetStream(1, path)
   v.Execute(r)
   v.Close()

def init_database(name, schema,
                 ProductName, ProductCode, ProductVersion,
                 Manufacturer):
   try:
       os.unlink(name)
   except OSError:
       pass
   ProductCode = ProductCode.upper()
   d = MakeInstaller()
   # Create the database
   db = d.OpenDatabase(name,
        win32com.client.constants.msiOpenDatabaseModeCreate)
   # Create the tables
   for t in schema.tables:
       t.create(db)
   # Fill the validation table
   add_data(db, "_Validation", schema._Validation_records)
   # Initialize the summary information, allowing atmost 20 properties
   si = db.GetSummaryInformation(20)
   si.SetProperty(PID_TITLE, "Installation Database")
   si.SetProperty(PID_SUBJECT, ProductName)
   si.SetProperty(PID_AUTHOR, Manufacturer)
   si.SetProperty(PID_TEMPLATE, msi_type)
   si.SetProperty(PID_REVNUMBER, gen_uuid())
   si.SetProperty(PID_WORDCOUNT, 2) # long file names, compressed, original media
   si.SetProperty(PID_PAGECOUNT, 200)
   si.SetProperty(PID_APPNAME, "Python MSI Library")
   # XXX more properties
   si.Persist()
   add_data(db, "Property", [
       ("ProductName", ProductName),
       ("ProductCode", ProductCode),
       ("ProductVersion", ProductVersion),
       ("Manufacturer", Manufacturer),
       ("ProductLanguage", "1033")])
   db.Commit()
   return db

def add_tables(db, module):
   for table in module.tables:
       add_data(db, table, getattr(module, table))

def make_id(str):
   #str = str.replace(".", "_") # colons are allowed
   str = str.replace(" ", "_")
   str = str.replace("-", "_")
   if str[0] in string.digits:
       str = "_"+str
   assert re.match("^[A-Za-z_][A-Za-z0-9_.]*$", str), "FILE"+str
   return str

def gen_uuid():
   return str(pythoncom.CreateGuid())

class CAB:
   def __init__(self, name):
       self.name = name
       self.file = open(name+".txt", "wt")
       self.filenames = sets.Set()
       self.index = 0

   def gen_id(self, dir, file):
       logical = _logical = make_id(file)
       pos = 1
       while logical in self.filenames:
           logical = "%s.%d" % (_logical, pos)
           pos += 1
       self.filenames.add(logical)
       return logical

   def append(self, full, file, logical = None):
       if os.path.isdir(full):
           return
       if not logical:
           logical = self.gen_id(dir, file)
       self.index += 1
       if full.find(" ")!=-1:
           print >>self.file, '"%s" %s' % (full, logical)
       else:
           print >>self.file, '%s %s' % (full, logical)
       return self.index, logical

   def commit(self, db):
       self.file.close()
       try:
           os.unlink(self.name+".cab")
       except OSError:
           pass
       for k, v in [(r"Software\Microsoft\VisualStudio\7.1\Setup\VS", "VS7CommonBinDir"),
                    (r"Software\Microsoft\Win32SDK\Directories", "Install Dir")]:
           try:
               key = _winreg.OpenKey(_winreg.HKEY_LOCAL_MACHINE, k)
           except WindowsError:
               continue
           cabarc = os.path.join(_winreg.QueryValueEx(key, v)[0], r"Bin", "cabarc.exe")
           _winreg.CloseKey(key)
           if not os.path.exists(cabarc):continue
           break
       else:
           print "WARNING: cabarc.exe not found in registry"
           cabarc = "cabarc.exe"
       f = popen2.popen4(r'"%s" -m lzx:21 n %s.cab @%s.txt' % (cabarc, self.name, self.name))[0]
       for line in f:
           if line.startswith("  -- adding "):
               sys.stdout.write(".")
           else:
               sys.stdout.write(line)
           sys.stdout.flush()
       if not os.path.exists(self.name+".cab"):
           raise IOError, "cabarc failed"
       add_data(db, "Media",
               [(1, self.index, None, "#"+self.name, None, None)])
       add_stream(db, self.name, self.name+".cab")
       os.unlink(self.name+".txt")
       os.unlink(self.name+".cab")
       db.Commit()

_directories = sets.Set()
class Directory:
   def __init__(self, db, cab, basedir, physical, _logical, default, componentflags=None):
       """Create a new directory in the Directory table. There is a current component
       at each point in time for the directory, which is either explicitly created
       through start_component, or implicitly when files are added for the first
       time. Files are added into the current component, and into the cab file.
       To create a directory, a base directory object needs to be specified (can be
       None), the path to the physical directory, and a logical directory name.
       Default specifies the DefaultDir slot in the directory table. componentflags
       specifies the default flags that new components get."""
       index = 1
       _logical = make_id(_logical)
       logical = _logical
       while logical in _directories:
           logical = "%s%d" % (_logical, index)
           index += 1
       _directories.add(logical)
       self.db = db
       self.cab = cab
       self.basedir = basedir
       self.physical = physical
       self.logical = logical
       self.component = None
       self.short_names = sets.Set()
       self.ids = sets.Set()
       self.keyfiles = {}
       self.componentflags = componentflags
       if basedir:
           self.absolute = os.path.join(basedir.absolute, physical)
           blogical = basedir.logical
       else:
           self.absolute = physical
           blogical = None
       add_data(db, "Directory", [(logical, blogical, default)])

   def start_component(self, component = None, feature = None, flags = None, keyfile = None, uuid=None):
       """Add an entry to the Component table, and make this component the current for this
       directory. If no component name is given, the directory name is used. If no feature
       is given, the current feature is used. If no flags are given, the directory's default
       flags are used. If no keyfile is given, the KeyPath is left null in the Component
       table."""
       if flags is None:
           flags = self.componentflags
       if uuid is None:
           uuid = gen_uuid()
       else:
           uuid = uuid.upper()
       if component is None:
           component = self.logical
       self.component = component
       if Win64:
           flags |= 256
       if keyfile:
           keyid = self.cab.gen_id(self.absolute, keyfile)
           self.keyfiles[keyfile] = keyid
       else:
           keyid = None
       add_data(self.db, "Component",
                       [(component, uuid, self.logical, flags, None, keyid)])
       if feature is None:
           feature = current_feature
       add_data(self.db, "FeatureComponents",
                       [(feature.id, component)])

   def make_short(self, file):
       parts = file.split(".")
       if len(parts)>1:
           suffix = parts[-1].upper()
       else:
           suffix = None
       prefix = parts[0].upper()
       if len(prefix) <= 8 and (not suffix or len(suffix)<=3):
           if suffix:
               file = prefix+"."+suffix
           else:
               file = prefix
           assert file not in self.short_names
       else:
           prefix = prefix[:6]
           if suffix:
               suffix = suffix[:3]
           pos = 1
           while 1:
               if suffix:
                   file = "%s~%d.%s" % (prefix, pos, suffix)
               else:
                   file = "%s~%d" % (prefix, pos)
               if file not in self.short_names: break
               pos += 1
               assert pos < 10000
               if pos in (10, 100, 1000):
                   prefix = prefix[:-1]
       self.short_names.add(file)
       assert not re.search(r'[\?|><:/*"+,;=\[\]]', file) # restrictions on short names
       return file

   def add_file(self, file, src=None, version=None, language=None):
       """Add a file to the current component of the directory, starting a new one
       one if there is no current component. By default, the file name in the source
       and the file table will be identical. If the src file is specified, it is
       interpreted relative to the current directory. Optionally, a version and a
       language can be specified for the entry in the File table."""
       if not self.component:
           self.start_component(self.logical, current_feature)
       if not src:
           # Allow relative paths for file if src is not specified
           src = file
           file = os.path.basename(file)
       absolute = os.path.join(self.absolute, src)
       assert not re.search(r'[\?|><:/*]"', file) # restrictions on long names
       if self.keyfiles.has_key(file):
           logical = self.keyfiles[file]
       else:
           logical = None
       sequence, logical = self.cab.append(absolute, file, logical)
       assert logical not in self.ids
       self.ids.add(logical)
       short = self.make_short(file)
       full = "%s|%s" % (short, file)
       filesize = os.stat(absolute).st_size
       # constants.msidbFileAttributesVital
       # Compressed omitted, since it is the database default
       # could add r/o, system, hidden
       attributes = 512
       add_data(self.db, "File",
                       [(logical, self.component, full, filesize, version,
                        language, attributes, sequence)])
       if not version:
           # Add hash if the file is not versioned
           filehash = MakeInstaller().FileHash(absolute, 0)
           add_data(self.db, "MsiFileHash",
                    [(logical, 0, filehash.IntegerData(1),
                      filehash.IntegerData(2), filehash.IntegerData(3),
                      filehash.IntegerData(4))])
       # Automatically remove .pyc/.pyo files on uninstall (2)
       # XXX: adding so many RemoveFile entries makes installer unbelievably
       # slow. So instead, we have to use wildcard remove entries
       # if file.endswith(".py"):
       #     add_data(self.db, "RemoveFile",
       #              [(logical+"c", self.component, "%sC|%sc" % (short, file),
       #                self.logical, 2),
       #               (logical+"o", self.component, "%sO|%so" % (short, file),
       #                self.logical, 2)])

   def glob(self, pattern, exclude = None):
       """Add a list of files to the current component as specified in the
       glob pattern. Individual files can be excluded in the exclude list."""
       files = glob.glob1(self.absolute, pattern)
       for f in files:
           if exclude and f in exclude: continue
           self.add_file(f)
       return files

   def remove_pyc(self):
       "Remove .pyc/.pyo files on uninstall"
       add_data(self.db, "RemoveFile",
                [(self.component+"c", self.component, "*.pyc", self.logical, 2),
                 (self.component+"o", self.component, "*.pyo", self.logical, 2)])

class Feature:
   def __init__(self, db, id, title, desc, display, level = 1,
                parent=None, directory = None, attributes=0):
       self.id = id
       if parent:
           parent = parent.id
       add_data(db, "Feature",
                       [(id, parent, title, desc, display,
                         level, directory, attributes)])
   def set_current(self):
       global current_feature
       current_feature = self

class Control:
   def __init__(self, dlg, name):
       self.dlg = dlg
       self.name = name

   def event(self, ev, arg, cond = "1", order = None):
       add_data(self.dlg.db, "ControlEvent",
                [(self.dlg.name, self.name, ev, arg, cond, order)])

   def mapping(self, ev, attr):
       add_data(self.dlg.db, "EventMapping",
                [(self.dlg.name, self.name, ev, attr)])

   def condition(self, action, condition):
       add_data(self.dlg.db, "ControlCondition",
                [(self.dlg.name, self.name, action, condition)])

class RadioButtonGroup(Control):
   def __init__(self, dlg, name, property):
       self.dlg = dlg
       self.name = name
       self.property = property
       self.index = 1

   def add(self, name, x, y, w, h, text, value = None):
       if value is None:
           value = name
       add_data(self.dlg.db, "RadioButton",
                [(self.property, self.index, value,
                  x, y, w, h, text, None)])
       self.index += 1

class Dialog:
   def __init__(self, db, name, x, y, w, h, attr, title, first, default, cancel):
       self.db = db
       self.name = name
       self.x, self.y, self.w, self.h = x,y,w,h
       add_data(db, "Dialog", [(name, x,y,w,h,attr,title,first,default,cancel)])

   def control(self, name, type, x, y, w, h, attr, prop, text, next, help):
       add_data(self.db, "Control",
                [(self.name, name, type, x, y, w, h, attr, prop, text, next, help)])
       return Control(self, name)

   def text(self, name, x, y, w, h, attr, text):
       return self.control(name, "Text", x, y, w, h, attr, None,
                    text, None, None)

   def bitmap(self, name, x, y, w, h, text):
       return self.control(name, "Bitmap", x, y, w, h, 1, None, text, None, None)

   def line(self, name, x, y, w, h):
       return self.control(name, "Line", x, y, w, h, 1, None, None, None, None)

   def pushbutton(self, name, x, y, w, h, attr, text, next):
       return self.control(name, "PushButton", x, y, w, h, attr, None, text, next, None)

   def radiogroup(self, name, x, y, w, h, attr, prop, text, next):
       add_data(self.db, "Control",
                [(self.name, name, "RadioButtonGroup",
                  x, y, w, h, attr, prop, text, next, None)])
       return RadioButtonGroup(self, name, prop)

   def checkbox(self, name, x, y, w, h, attr, prop, text, next):
       return self.control(name, "CheckBox", x, y, w, h, attr, prop, text, next, None)

def pe_type(path):
   header = open(path, "rb").read(1000)
   # offset of PE header is at offset 0x3c
   pe_offset = struct.unpack("<i", header[0x3c:0x40])[0]
   assert header[pe_offset:pe_offset+4] == "PE\0\0"
   machine = struct.unpack("<H", header[pe_offset+4:pe_offset+6])[0]
   return machine

def set_arch_from_file(path):
   global msi_type, Win64, arch_ext
   machine = pe_type(path)
   if machine == 0x14c:
       # i386
       msi_type = "Intel"
       Win64 = 0
       arch_ext = ''
   elif machine == 0x200:
       # Itanium
       msi_type = "Intel64"
       Win64 = 1
       arch_ext = '.ia64'
   elif machine == 0x8664:
       # AMD64
       msi_type = "x64"
       Win64 = 1
       arch_ext = '.amd64'
   else:
       raise ValueError, "Unsupported architecture"
   msi_type += ";1033"