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nigel.stanger
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Handbook
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Added initial code for --week-offset CLI switch
master
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de4ec3e
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4157be1df9f8926f58c9b843d18f3fd906ec9c7f
Nigel Stanger
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on 29 Nov 2019
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calendar/teachingdates/config/cli.py
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calendar/teachingdates/config/cli.py
import argparse import datetime from teachingdates import PROG def oxford_comma_list(words): if isinstance(words, list) or isinstance(words, tuple): if len(words) == 0: return "" elif len(words) == 1: return words[0] elif len(words) == 2: return " and ".join(words) else: return ", ".join(words[:-1]) + ", and " + words[-1] else: raise TypeError("expected list, got {t}".format(t=str(type(words)))) def switch_message(switches, context, severity="warning", required=False): switch_string = oxford_comma_list(switches) return ("{prog}: {severity}: {switches} {verb} {required} for " "{context}".format(prog=PROG, severity=severity, switches=switch_string, verb="are" if len(switches) > 1 else "is", required="required" if required else "ignored")) def parse_command_line(): """Parse command-line arguments. Example command lines: generate_dates --style calendar --format latex --year 2020 --period S1 --paper INFO201 generate_dates --style lecture --format xml --period S2 --paper INFO202 """ format_map = { "t": "text", "text": "text", "l": "latex", "latex": "latex", "x": "xml", "xml": "xml", } style_map = { "c": "calendar", "calendar": "calendar", "l": "lecture", "lecture": "lecture", "i": "iso", "iso": "iso", } parser = argparse.ArgumentParser(prog=PROG, description="") parser.add_argument( "--config", "-c", default=None, dest="config_file", help="file name of the configuration file " "[default '~/.config/{prog}/config.yml']".format(prog=PROG)) parser.add_argument("--debug", "-d", action='store_true', help="enable debugging output") parser.add_argument("--format", "-f", default="latex", choices=["text", "t", "latex", "l", "xml", "x"], help="output format [default 'latex']") parser.add_argument("--output", "-o", type=argparse.FileType("w", encoding="UTF-8"), help="file name to write the output to; existing " "files of the same name will be overwritten!") parser.add_argument( "--paper", "-p", default=None, help="paper code (e.g., INFO201) [required for 'lecture' style, " "ignored otherwise]") parser.add_argument( "--style", "-s", default="calendar", choices=["calendar", "c", "lecture", "l", "iso", "i"], help="output style: 'calendar' for teaching calendars in course " "outlines, 'lecture' for individual lecture dates, or 'iso'" "for dates across the entire ISO-8601 year [default 'calendar']") parser.add_argument("--teaching-period", "-t", default=None, choices=["SS", "S1", "S2", "FY"], dest="period", help="teaching period [required]") parser.add_argument( "--week-offset", "-w", type=int, default=4, help="offset to end of week from Monday (where Monday = 0) " "[default 4 (= Friday)]" ) parser.add_argument( "--year", "-y", type=int, default=datetime.date.today().year, help="the year to generate dates for [default {y}]".format( y=datetime.date.today().year)) args = parser.parse_args() # normalise format and style args.format = format_map[args.format] args.style = style_map[args.style] if args.style == "calendar": # --paper is irrelevant if args.paper: args.paper = "" print("{prog}: warning: --paper/-p is ignored for 'calendar' " "style".format(prog=PROG)) # --teaching-period is required if not args.period: parser.exit( 2, "{prog}: error: --teaching-period/-t is required for " "'calendar' style\n".format(prog=PROG)) elif args.style == "iso": # both --paper and --teaching-period are irrelevant if args.paper or args.period: args.paper = "" args.period = "iso" print("{prog}: warning: --paper/-p and --teaching-period/-t are " "ignored for 'iso' style".format(prog=PROG)) elif args.style == "lecture": # --week-offset is irrelevant if args.week_offset: args.week_offset = "" print("{prog}: warning: --week_offset/-w is ignored for 'lecture' " "style".format(prog=PROG)) # both --paper and --teaching-period are required if not args.paper: parser.exit( 2, message="{prog}: error: -paper/-p and --teaching-period/-t " "are required for 'lecture' style\n".format(prog=PROG)) else: pass return args
import argparse import datetime from teachingdates import PROG def oxford_comma_list(words): if isinstance(words, list) or isinstance(words, tuple): if len(words) == 0: return "" elif len(words) == 1: return words[0] elif len(words) == 2: return " and ".join(words) else: return ", ".join(words[:-1]) + ", and " + words[-1] else: raise TypeError("expected list, got {t}".format(t=str(type(words)))) def switch_message(switches, context, severity="warning", required=False): switch_string = oxford_comma_list(switches) return ("{prog}: {severity}: {switches} {verb} {required} for " "{context}".format(prog=PROG, severity=severity, switches=switch_string, verb="are" if len(switches) > 1 else "is", required="required" if required else "ignored")) def parse_command_line(): """Parse command-line arguments. Example command lines: generate_dates --style calendar --format latex --year 2020 --period S1 --paper INFO201 generate_dates --style lecture --format xml --period S2 --paper INFO202 """ format_map = { "t": "text", "text": "text", "l": "latex", "latex": "latex", "x": "xml", "xml": "xml", } style_map = { "c": "calendar", "calendar": "calendar", "l": "lecture", "lecture": "lecture", "i": "iso", "iso": "iso", } parser = argparse.ArgumentParser(prog=PROG, description="") parser.add_argument( "--config", "-c", default=None, dest="config_file", help="file name of the configuration file " "[default '~/.config/{prog}/config.yml']".format(prog=PROG)) parser.add_argument("--debug", "-d", action='store_true', help="enable debugging output") parser.add_argument("--format", "-f", default="latex", choices=["text", "t", "latex", "l", "xml", "x"], help="output format [default 'latex']") parser.add_argument("--output", "-o", type=argparse.FileType("w", encoding="UTF-8"), help="file name to write the output to; existing " "files of the same name will be overwritten!") parser.add_argument( "--paper", "-p", default=None, help="paper code (e.g., INFO201) [required for 'lecture' style, " "ignored otherwise]") parser.add_argument( "--style", "-s", default="calendar", choices=["calendar", "c", "lecture", "l", "iso", "i"], help="output style: 'calendar' for teaching calendars in course " "outlines, 'lecture' for individual lecture dates, or 'iso'" "for dates across the entire ISO-8601 year [default 'calendar']") parser.add_argument("--teaching-period", "-t", default=None, choices=["SS", "S1", "S2", "FY"], dest="period", help="teaching period [required]") parser.add_argument( "--year", "-y", type=int, default=datetime.date.today().year, help=("the year to generate dates for [default {y}]".format( y=datetime.date.today().year))) args = parser.parse_args() # normalise format and style args.format = format_map[args.format] args.style = style_map[args.style] if args.style == "calendar": # --paper is irrelevant if args.paper: args.paper = "" print("{prog}: warning: --paper/-p is ignored for 'calendar' " "style".format(prog=PROG)) # --teaching-period is required if not args.period: parser.exit( 2, "{prog}: error: --teaching-period/-t is required for " "'calendar' style\n".format(prog=PROG)) elif args.style == "iso": # both --paper and --teaching-period are irrelevant if args.paper or args.period: args.paper = "" args.period = "iso" print("{prog}: warning: --paper/-p and --teaching-period/-t are " "ignored for 'iso' style".format(prog=PROG)) elif args.style == "lecture": # both --paper and --teaching-period are required if not args.paper: parser.exit( 2, message="{prog}: error: -paper/-p and --teaching-period/-t " "are required for 'lecture' style\n".format(prog=PROG)) else: pass return args
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