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#!/usr/bin/python
#
# Ce programme Python extrait les noms ayant des differences entre les fichiers
# cible.pn et positions.pn, et genere un script Eagle donnant aux noms du board
# courant (qui doit correspondre avant execution du script a cible.pn) les
# positions de positions.pn.
#
# L'ULP PositionName.ulp permet de creer les fichiers .pn en question.
#
# Pour resumer un cycle complet de positionnement :
#
# - Une version est fournie a Steven Naheulbeuk.
# - Steven Naheulbeuk place les noms et lance l'ULP qui produit un truc.pn
# - Steven Naheulbeuk renomme truc.pn en positions.pn et envoie positions.pn
# a Dieu
# - Pour integrer les positions, Dieu lance l'ULP et renomme truc.pn en
# cible.pn puis IMMEDIATEMENT SANS TOUCHER A LA BOARD lance ce script
# python qui genere regle_positions.scr puis TOUJOURS IMMEDIATEMENT
# SANS TOUCHER A LA BOARD execute le script sous Eagle.
# - Comme Dieu veut eviter de se tromper, il detruit alors positions.pn,
# cible.pn et regle_positions.scr pour eviter d'utiliser des versions
# erronees de ces fichiers dans le futur. (Si Dieu est de plus parano,
# il peut a la place de les detruire les archiver/versionner a un autre
# endroit.)
#
# ATTENTION : le script genere change l'etat de la board sur les points
# suivants en plus de la position des noms :
# - passage de la grille en microns
# - passage de la grille alternative en microns
# - passage de la grille alternative en "finest" (0.1 mic)
# - a la fin de l'execution du script, seul le layer bNames est affiche
path = "/home/huytin/Stage/misc/EagleNamePositions/"
target_filename = path + "cible.pn"
positions_filename = path + "positions.pn"
script_filename = path + "regle_positions.scr"
from collections import namedtuple
import re
NDesc = namedtuple('NDesc', 'layer name value x y angle size mirror ratio')
TOP_LAYER_NAME = 'tnames'
BOTTOM_LAYER_NAME = 'bnames'
layers = {'25': TOP_LAYER_NAME, '26': BOTTOM_LAYER_NAME}
def load_pn(pn_filename):
r = {}
f = open(pn_filename)
first_line = f.readline()
if not first_line.startswith("T.layer"):
raise ValueError("invalid file format -- "
+ "first line does not start with 'T.layer': %s"
% first_line)
for line in f:
line = line.strip()
if not line:
continue
elems = re.split("[ ]{1,8}", line)
if elems[0] not in layers:
print "warning: unknown layer, ignoring line:", line
continue
layer = layers[elems[0]]
name = elems[1]
value = elems[2]
if name in r:
print "warning: %s already loaded, ignoring line: %s" % (name, line)
nd = NDesc(layer, name, value, *[int(x) for x in elems[3:]])
r[name] = nd
f.close()
return r
print "loading %s" % target_filename
target = load_pn(target_filename)
print "loading %s" % positions_filename
positions = load_pn(positions_filename)
def deci(i):
return "%d.%d" % (i / 10, i % 10)
def deci_mic_pos(desc):
# AC means: DIE EAGLE, DIE! For real it means Ctrl+Alt;
# Ctrl: select the object origin
# Alt: use the alternate grid, which has been configured
# to FINEST (0.1 mic) xref1
return '(AC %s %s)' % (deci(desc.x), deci(desc.y))
def gen_script(pos, tgt, scr_fn):
script = open(scr_fn, "w")
try:
pos_top = [v for v in pos.itervalues()
if v.layer == TOP_LAYER_NAME]
pos_bot = [v for v in pos.itervalues()
if v.layer == BOTTOM_LAYER_NAME]
script.write("set undo off;\n")
script.write("grid mic;\n")
script.write("grid alt mic;\n")
script.write("grid alt finest;\n\n\n") # xref1
def one_layer(pos_list, layer_name):
mirror_char = 'M' if layer_name == BOTTOM_LAYER_NAME else ''
script.write("display none;\n")
script.write("display %s;\n\n\n" % layer_name)
for dest in pos_list:
if dest.name not in tgt:
print "warning: name %s not in target" % dest.name
continue
tgt_desc = tgt[dest.name]
if dest != tgt_desc:
script.write("move %s %s;\n"
% (deci_mic_pos(tgt_desc), deci_mic_pos(dest)))
script.write("rotate =%sR%d %s;\n"
% (mirror_char,
dest.angle,
deci_mic_pos(dest)))
script.write("change size %s %s;\n"
% (deci(dest.size), deci_mic_pos(dest)))
script.write("change ratio %d %s;\n"
% (dest.ratio, deci_mic_pos(dest)))
script.write("\n")
script.write("\n\n\n")
one_layer(pos_top, TOP_LAYER_NAME)
one_layer(pos_bot, BOTTOM_LAYER_NAME)
script.write("\n\n\nset undo on;\n")
finally:
script.close()
print "writing %s" % script_filename
gen_script(positions, target, script_filename)
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