def get_xy(self):
"""
Get XY file for the PCB.
:returns: The XY file contents.
"""
cache_dir = get_cache_dir('bom', 'geda', 'pcbxy')
ab = os.path.abspath(self.fname)
# Generate cache filename
h = hashlib.sha1()
h.update(ab)
cfname = os.path.join(cache_dir, h.hexdigest())
cache_good = False
if os.path.exists(cfname):
xy_t = os.path.getmtime(ab)
cache_t = os.path.getmtime(cfname)
if cache_t > xy_t:
cache_good = True
if not cache_good:
self.__export_xy(cfname)
else:
print("Using cached PCB xy-data for %s" %
os.path.basename(self.fname))
f = open(cfname, "r")
xy = f.read()
f.close()
return xy
def __load_bom(self):
cache_dir = get_cache_dir('bom', 'geda', 'bom')
ab = os.path.abspath(self.fname)
# Generate cache filename
h = hashlib.sha1()
h.update(ab.encode('UTF-8'))
cfname = os.path.join(cache_dir, h.hexdigest())
cache_good = False
if os.path.exists(cfname):
# Discover if the cache is still valid
schem_t = os.path.getmtime(ab)
cache_t = os.path.getmtime(cfname)
if cache_t > schem_t:
# Cache is good
cache_good = True
if not cache_good:
self.__export_bom(cfname)
else:
print("Using cached BOM for %s." % os.path.basename(self.fname))
self.__parse_bom_fname(cfname)
def __load_bom(self):
cache_dir = get_cache_dir('bom', 'geda', 'bom')
ab = os.path.abspath(self.fname)
# Generate cache filename
h = hashlib.sha1()
h.update(ab.encode('UTF-8'))
cfname = os.path.join(cache_dir, h.hexdigest())
cache_good = False
if os.path.exists(cfname):
# Discover if the cache is still valid
schem_t = os.path.getmtime(ab)
cache_t = os.path.getmtime(cfname)
if cache_t > schem_t:
# Cache is good
cache_good = True
if not cache_good:
self.__export_bom(cfname)
else:
print("Using cached BOM for %s." % os.path.basename(self.fname))
self.__parse_bom_fname(cfname)
def get_image(self, res):
"""
Get an image of the PCB.
:returns: The contents of the image.
"""
cache_dir = get_cache_dir('bom', 'geda', 'pcbimg')
ab = os.path.abspath(self.fname)
# Generate cache filename
h = hashlib.sha1()
h.update(ab + str(res))
cfname = os.path.join(cache_dir, h.hexdigest())
cache_good = False
if os.path.exists(cfname):
img_t = os.path.getmtime(ab)
cache_t = os.path.getmtime(cfname)
if cache_t > img_t:
cache_good = True
if not cache_good:
self.__export_image(res, cfname)
else:
print('Using cached PCB image for %s.' %
os.path.basename(self.fname))
with open(cfname) as file:
img = file.read()
return img
def get_xy(self):
"""
Get XY file for the PCB.
:returns: The XY file contents.
"""
cache_dir = get_cache_dir('bom', 'geda', 'pcbxy')
ab = os.path.abspath(self.fname)
# Generate cache filename
h = hashlib.sha1()
h.update(ab)
cfname = os.path.join(cache_dir, h.hexdigest())
cache_good = False
if os.path.exists(cfname):
xy_t = os.path.getmtime(ab)
cache_t = os.path.getmtime(cfname)
if cache_t > xy_t:
cache_good = True
if not cache_good:
self.__export_xy(cfname)
else:
print("Using cached PCB xy-data for %s" %
os.path.basename(self.fname))
f = open(cfname, "r")
xy = f.read()
f.close()
return xy
def get_image(self, res):
"""
Get an image of the PCB.
:returns: The contents of the image.
"""
cache_dir = get_cache_dir('bom', 'geda', 'pcbimg')
ab = os.path.abspath(self.fname)
# Generate cache filename
h = hashlib.sha1()
h.update(ab + str(res))
cfname = os.path.join(cache_dir, h.hexdigest())
cache_good = False
if os.path.exists(cfname):
img_t = os.path.getmtime(ab)
cache_t = os.path.getmtime(cfname)
if cache_t > img_t:
cache_good = True
if not cache_good:
self.__export_image(res, cfname)
else:
print('Using cached PCB image for %s.' %
os.path.basename(self.fname))
with open(cfname) as file:
img = file.read()
return img
def grab_url_cached(url):
"""
Download a possibly cached URL.
:returns: The contents of the page.
"""
cache_dir = get_cache_dir('urls')
h = hashlib.sha1()
h.update(url.encode('UTF-8'))
F = os.path.join(cache_dir, h.hexdigest())
if os.path.exists(F) and (time.time() - os.path.getmtime(F)) < CACHE_LIFE:
with open(F) as file:
page = file.read()
else:
# try the remote supplier page cache
try:
base_url = "https://www.studentrobotics.org/~rspanton/supcache/{}"
cached_url = base_url.format(h.hexdigest())
sc = urlopen(cached_url)
page = sc.read()
except HTTPError:
page = urlopen(url).read()
with open(F, 'wb') as file:
file.write(page)
return page
import email.utils
import hashlib
import re
import os
import subprocess
import sys
import six.moves.cPickle as pickle
import yaml
from sr.tools.inventory import assetcode
from sr.tools.environment import get_cache_dir
CACHE_DIR = get_cache_dir('inventory')
RE_PART = re.compile("^(.+)-sr([%s]+)$" % "".join(assetcode.ALPHABET))
class NotAnInventoryError(OSError):
"""
Raised when an inventory object is created for a directory that is not an
inventory.
:param directory: The directory that is not an inventory. Also accessible
as the ``directory`` attribute of this class.
"""
def __init__(self, directory):
msg = "'{directory}' is not an inventory.".format(directory=directory)
super(NotAnInventoryError, self).__init__(msg)
self.directory = directory
import codecs
import email.utils
import hashlib
import re
import os
import subprocess
import sys
import six.moves.cPickle as pickle
import yaml
from sr.tools.inventory import assetcode
from sr.tools.environment import get_cache_dir
CACHE_DIR = get_cache_dir('inventory')
RE_PART = re.compile("^(.+)-sr([%s]+)$" % "".join(assetcode.ALPHABET))
class NotAnInventoryError(OSError):
"""
Raised when an inventory object is created for a directory that is not an
inventory.
:param directory: The directory that is not an inventory. Also accessible
as the ``directory`` attribute of this class.
"""
def __init__(self, directory):
msg = "'{directory}' is not an inventory.".format(directory=directory)
super(NotAnInventoryError, self).__init__(msg)
self.directory = directory
