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Added parse_devices.py and related documentation
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Ircama
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15
README.md
15
README.md
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@ -119,6 +119,21 @@ python3 epson_print_conf.py -m XP-205 -a 192.168.1.87 -R 173,172
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Note: resetting the ink waste counter is just removing a warning; not replacing the tank will make the ink spill.
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Note: resetting the ink waste counter is just removing a warning; not replacing the tank will make the ink spill.
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## parse_devices.py
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Within an [issue](https://codeberg.org/atufi/reinkpy/issues/12#issue-716809) in repo https://codeberg.org/atufi/reinkpy there is an interesting [attachment](https://codeberg.org/attachments/147f41a3-a6ea-45f6-8c2a-25bac4495a1d) which reports a complete XML database of Epson model features.
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The program "parse_devices.py" transforms this XML DB into the dictionary that *epson_print_conf.py* can use.
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Here is a simple procedure to download that DB and run *parse_devices.py* to search for the XP-205 model and create the related PRINTER_CONFIG dictionary to the standard output:
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```bash
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curl -o devices.xml https://codeberg.org/attachments/147f41a3-a6ea-45f6-8c2a-25bac4495a1d
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python3 parse_devices.py -m XP-205
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```
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After generating the the related printer configuration, *epson_print_conf.py* shall be manually edited to copy/paste the output of *parse_devices.py* within its PRINTER_CONFIG dictionary.
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## Utilities and notes
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## Utilities and notes
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```
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```
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220
parse_devices.py
Normal file
220
parse_devices.py
Normal file
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@ -0,0 +1,220 @@
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import sys
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import logging
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import re
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import xml.etree.ElementTree as ET
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import itertools
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def to_ranges(iterable):
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iterable = sorted(set(iterable))
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for key, group in itertools.groupby(enumerate(iterable),
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lambda t: t[1] - t[0]):
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group = list(group)
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yield group[0][1], group[-1][1]
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def text_to_bytes(text):
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l = [int(h, 16) for h in text.split()]
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r = list(to_ranges(l))
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if len(l) > 6 and len(r) == 1:
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return eval("range(%s, %s)" % (r[0][0], r[0][1]+1))
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return l
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def text_to_dict(text):
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b = text_to_bytes(text)
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return {b[i]: b[i + 1] for i in range(0, len(b), 2)}
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def generate_config(config, full, printer_model):
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waste_string = [
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"main_waste", "borderless_waste", "third_waste", "fourth_waste"
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]
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irc_pattern = r'Ink replacement counter %-% (\w+) % \((\w+)\)'
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tree = ET.parse(config)
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root = tree.getroot()
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printer_config = {}
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for printer in root.iterfind(".//printer"):
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title = printer.attrib.get("title", "")
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if printer_model not in title:
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continue
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specs = printer.attrib["specs"].split(",")
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logging.info(
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"Tag: %s, Attributes: %s, Specs: %s",
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printer.tag, printer.attrib, printer.attrib['specs']
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)
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printer_name = printer.attrib["short"]
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chars = {}
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for spec in specs:
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logging.debug("SPEC: %s", spec)
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for elm in root.iterfind(".//" + spec):
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for item in elm:
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logging.debug("item.tag: %s", item.tag)
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if item.tag == "information":
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for info in item:
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if info.tag == "report":
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chars["stats"] = {}
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fatal = []
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irc = ""
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for number in info:
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if number.tag == "fatals":
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for n in number:
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if n.tag == "registers":
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for j in text_to_bytes(n.text):
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fatal.append(j)
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chars["last_printer_fatal_errors"] = (
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fatal
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)
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if number.tag in ["number", "period"]:
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stat_name = ""
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for n in number:
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if n.tag == "name":
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stat_name = n.text
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if (
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n.tag == "registers"
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and stat_name
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):
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match = re.search(irc_pattern, stat_name)
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if match:
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color = match.group(1)
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identifier = f"{match.group(2)}"
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if "ink_replacement_counters" not in chars:
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chars["ink_replacement_counters"] = {}
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if color not in chars["ink_replacement_counters"]:
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chars["ink_replacement_counters"][color] = {}
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chars["ink_replacement_counters"][color][identifier] = int(n.text, 16)
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else:
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chars["stats"][stat_name] = text_to_bytes(n.text)
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if item.tag == "waste":
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for operations in item:
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if operations.tag == "reset":
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chars["raw_waste_reset"] = text_to_dict(
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operations.text
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)
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if operations.tag == "query":
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count = 0
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for counter in operations:
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waste = {}
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for ncounter in counter:
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if ncounter.tag == "entry":
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if "oids" in waste:
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waste["oids"] += text_to_bytes(
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ncounter.text
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)
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else:
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waste["oids"] = text_to_bytes(
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ncounter.text
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)
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if ncounter.tag == "max":
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waste["divider"] = (
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int(ncounter.text) / 100
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)
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if full:
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for filter in ncounter:
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waste["filter"] = filter.text
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chars[waste_string[count]] = waste
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count += 1
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if item.tag == "serial":
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chars["serial_number"] = text_to_bytes(item.text)
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if full and item.tag == "headid":
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chars["headid"] = text_to_bytes(item.text)
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if full and item.tag == "memory":
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for mem in item:
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if mem.tag == "lower":
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chars["memory_lower"] = int(mem.text, 16)
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if mem.tag == "upper":
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chars["memory_upper"] = int(mem.text, 16)
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if item.tag == "service":
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for s in item:
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if s.tag == "factory":
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chars["read_key"] = text_to_bytes(s.text)
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if s.tag == "keyword":
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chars["write_key"] = (
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"".join(
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[
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chr(b - 1)
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for b in text_to_bytes(s.text)
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]
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)
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).encode()
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if full and s.tag == "sendlen":
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chars["sendlen"] = int(s.text, 16)
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if full and s.tag == "readlen":
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chars["readlen"] = int(s.text, 16)
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printer_config[printer_name] = chars
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return printer_config
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if __name__ == "__main__":
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import argparse
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parser = argparse.ArgumentParser(
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epilog='Generate printer configuration from devices.xml'
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)
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parser.add_argument(
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'-m',
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'--model',
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dest='printer_model',
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action="store",
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help='Printer model. Example: -m XP-205',
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required=True)
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parser.add_argument(
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'-d',
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'--debug',
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dest='debug',
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action='store_true',
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help='Print debug information')
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parser.add_argument(
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'-v',
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'--verbose',
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dest='verbose',
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action='store_true',
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help='Print verbose information')
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parser.add_argument(
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'-f',
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'--full',
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dest='full',
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action='store_true',
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help='Generate additional tags')
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parser.add_argument(
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'-c',
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"--config",
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dest='config_file',
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type=argparse.FileType('r'),
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help="use the XML configuration file to generate the configuration",
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default=0,
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nargs=1,
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metavar='CONFIG_FILE'
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)
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args = parser.parse_args()
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if args.debug:
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logging.getLogger().setLevel(logging.INFO)
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if args.verbose:
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logging.getLogger().setLevel(logging.DEBUG)
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if args.config_file:
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args.config_file[0].close()
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if args.config_file:
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config = args.config_file[0].name
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else:
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config = "devices.xml"
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printer_config = generate_config(
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config=config,
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full=args.full,
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printer_model=args.printer_model
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)
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try:
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import black
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mode = black.Mode(line_length=120)
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dict_str = black.format_str(repr(printer_config), mode=mode)
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print(dict_str)
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except Exception:
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from pprint import pprint
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pprint(printer_config)
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