mirror of
https://github.com/fish-shell/fish-shell
synced 2024-12-28 13:53:10 +00:00
691 lines
27 KiB
Python
Executable file
691 lines
27 KiB
Python
Executable file
#!/usr/bin/env python
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# Whether we're Python 2
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import sys, os
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IS_PY2 = sys.version_info[0] == 2
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if IS_PY2:
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import SimpleHTTPServer
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import SocketServer
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try:
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from urllib.parse import parse_qs
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except ImportError:
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from cgi import parse_qs
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else:
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import http.server as SimpleHTTPServer
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import socketserver as SocketServer
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from urllib.parse import parse_qs
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import webbrowser
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import subprocess
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import re, socket, os, sys, cgi, select, time, glob
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try:
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import json
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except ImportError:
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import simplejson as json
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FISH_BIN_PATH = False # will be set later
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def run_fish_cmd(text):
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from subprocess import PIPE
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p = subprocess.Popen([FISH_BIN_PATH], stdin=PIPE, stdout=PIPE, stderr=PIPE)
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if IS_PY2:
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out, err = p.communicate(text)
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else:
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out, err = p.communicate(bytes(text, 'utf-8'))
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out = str(out, 'utf-8')
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err = str(err, 'utf-8')
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return(out, err)
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def escape_fish_cmd(text):
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# Replace one backslash with two, and single quotes with backslash-quote
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escaped = text.replace('\\', '\\\\').replace("'", "\\'")
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return "'" + escaped + "'"
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named_colors = {
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'black' : '000000',
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'red' : 'FF0000',
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'green' : '00FF00',
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'brown' : '725000',
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'yellow' : 'FFFF00',
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'blue' : '0000FF',
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'magenta' : 'FF00FF',
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'purple' : 'FF00FF',
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'cyan' : '00FFFF',
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'white' : 'FFFFFF'
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}
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def parse_one_color(comp):
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""" A basic function to parse a single color value like 'FFA000' """
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if comp in named_colors:
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# Named color
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return named_colors[comp]
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elif re.match(r"[0-9a-fA-F]{3}", comp) is not None or re.match(r"[0-9a-fA-F]{6}", comp) is not None:
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# Hex color
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return comp
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else:
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# Unknown
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return ''
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def better_color(c1, c2):
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""" Indicate which color is "better", i.e. prefer term256 colors """
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if not c2: return c1
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if not c1: return c2
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if c1 == 'normal': return c2
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if c2 == 'normal': return c1
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if c2 in named_colors: return c1
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if c1 in named_colors: return c2
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return c1
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def parse_color(color_str):
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""" A basic function to parse a color string, for example, 'red' '--bold' """
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comps = color_str.split(' ')
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color = 'normal'
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background_color = ''
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bold, underline = False, False
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for comp in comps:
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# Remove quotes
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comp = comp.strip("'\" ")
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if comp == '--bold':
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bold = True
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elif comp == '--underline':
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underline = True
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elif comp.startswith('--background='):
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# Background color
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background_color = better_color(background_color, parse_one_color(comp[len('--background='):]))
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else:
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# Regular color
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color = better_color(color, parse_one_color(comp))
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return {"color": color, "background": background_color, "bold": bold, "underline": underline}
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def parse_bool(val):
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val = val.lower()
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if val.startswith('f') or val.startswith('0'): return False
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if val.startswith('t') or val.startswith('1'): return True
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return bool(val)
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def html_color_for_ansi_color_index(val):
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arr = ['black', '#AA0000', '#00AA00', '#AA5500', '#0000AA', '#AA00AA', '#00AAAA', '#AAAAAA', '#555555', '#FF5555', '#55FF55', '#FFFF55', '#5555FF', '#FF55FF', '#55FFFF', 'white', '#000000', '#00005f', '#000087', '#0000af', '#0000d7', '#0000ff', '#005f00', '#005f5f', '#005f87', '#005faf', '#005fd7', '#005fff', '#008700', '#00875f', '#008787', '#0087af', '#0087d7', '#0087ff', '#00af00', '#00af5f', '#00af87', '#00afaf', '#00afd7', '#00afff', '#00d700', '#00d75f', '#00d787', '#00d7af', '#00d7d7', '#00d7ff', '#00ff00', '#00ff5f', '#00ff87', '#00ffaf', '#00ffd7', '#00ffff', '#5f0000', '#5f005f', '#5f0087', '#5f00af', '#5f00d7', '#5f00ff', '#5f5f00', '#5f5f5f', '#5f5f87', '#5f5faf', '#5f5fd7', '#5f5fff', '#5f8700', '#5f875f', '#5f8787', '#5f87af', '#5f87d7', '#5f87ff', '#5faf00', '#5faf5f', '#5faf87', '#5fafaf', '#5fafd7', '#5fafff', '#5fd700', '#5fd75f', '#5fd787', '#5fd7af', '#5fd7d7', '#5fd7ff', '#5fff00', '#5fff5f', '#5fff87', '#5fffaf', '#5fffd7', '#5fffff', '#870000', '#87005f', '#870087', '#8700af', '#8700d7', '#8700ff', '#875f00', '#875f5f', '#875f87', '#875faf', '#875fd7', '#875fff', '#878700', '#87875f', '#878787', '#8787af', '#8787d7', '#8787ff', '#87af00', '#87af5f', '#87af87', '#87afaf', '#87afd7', '#87afff', '#87d700', '#87d75f', '#87d787', '#87d7af', '#87d7d7', '#87d7ff', '#87ff00', '#87ff5f', '#87ff87', '#87ffaf', '#87ffd7', '#87ffff', '#af0000', '#af005f', '#af0087', '#af00af', '#af00d7', '#af00ff', '#af5f00', '#af5f5f', '#af5f87', '#af5faf', '#af5fd7', '#af5fff', '#af8700', '#af875f', '#af8787', '#af87af', '#af87d7', '#af87ff', '#afaf00', '#afaf5f', '#afaf87', '#afafaf', '#afafd7', '#afafff', '#afd700', '#afd75f', '#afd787', '#afd7af', '#afd7d7', '#afd7ff', '#afff00', '#afff5f', '#afff87', '#afffaf', '#afffd7', '#afffff', '#d70000', '#d7005f', '#d70087', '#d700af', '#d700d7', '#d700ff', '#d75f00', '#d75f5f', '#d75f87', '#d75faf', '#d75fd7', '#d75fff', '#d78700', '#d7875f', '#d78787', '#d787af', '#d787d7', '#d787ff', '#d7af00', '#d7af5f', '#d7af87', '#d7afaf', '#d7afd7', '#d7afff', '#d7d700', '#d7d75f', '#d7d787', '#d7d7af', '#d7d7d7', '#d7d7ff', '#d7ff00', '#d7ff5f', '#d7ff87', '#d7ffaf', '#d7ffd7', '#d7ffff', '#ff0000', '#ff005f', '#ff0087', '#ff00af', '#ff00d7', '#ff00ff', '#ff5f00', '#ff5f5f', '#ff5f87', '#ff5faf', '#ff5fd7', '#ff5fff', '#ff8700', '#ff875f', '#ff8787', '#ff87af', '#ff87d7', '#ff87ff', '#ffaf00', '#ffaf5f', '#ffaf87', '#ffafaf', '#ffafd7', '#ffafff', '#ffd700', '#ffd75f', '#ffd787', '#ffd7af', '#ffd7d7', '#ffd7ff', '#ffff00', '#ffff5f', '#ffff87', '#ffffaf', '#ffffd7', '#ffffff', '#080808', '#121212', '#1c1c1c', '#262626', '#303030', '#3a3a3a', '#444444', '#4e4e4e', '#585858', '#626262', '#6c6c6c', '#767676', '#808080', '#8a8a8a', '#949494', '#9e9e9e', '#a8a8a8', '#b2b2b2', '#bcbcbc', '#c6c6c6', '#d0d0d0', '#dadada', '#e4e4e4', '#eeeeee']
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if val < 0 or val >= len(arr):
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return ''
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else:
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return arr[val]
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# Function to return special ANSI escapes like exit_attribute_mode
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g_special_escapes_dict = None
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def get_special_ansi_escapes():
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global g_special_escapes_dict
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if g_special_escapes_dict is None:
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import curses
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g_special_escapes_dict = {}
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curses.setupterm()
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# Helper function to get a value for a tparm
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def get_tparm(key):
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val = None
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key = curses.tigetstr("sgr0")
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if key: val = curses.tparm(key)
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if val: val = val.decode('utf-8')
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return val
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# Just a few for now
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g_special_escapes_dict['exit_attribute_mode'] = get_tparm('sgr0')
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g_special_escapes_dict['bold'] = get_tparm('bold')
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g_special_escapes_dict['underline'] = get_tparm('smul')
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return g_special_escapes_dict
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# Given a known ANSI escape sequence, convert it to HTML and append to the list
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# Returns whether we have an open <span>
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def append_html_for_ansi_escape(full_val, result, span_open):
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# Strip off the initial \x1b[ and terminating m
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val = full_val[2:-1]
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# Helper function to close a span if it's open
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def close_span():
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if span_open:
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result.append('</span>')
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# term256 foreground color
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match = re.match('38;5;(\d+)', val)
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if match is not None:
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close_span()
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html_color = html_color_for_ansi_color_index(int(match.group(1)))
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result.append('<span style="color: ' + html_color + '">')
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return True # span now open
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# term8 foreground color
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if val in [str(x) for x in range(30, 38)]:
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close_span()
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html_color = html_color_for_ansi_color_index(int(val) - 30)
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result.append('<span style="color: ' + html_color + '">')
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return True # span now open
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# Try special escapes
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special_escapes = get_special_ansi_escapes()
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if full_val == special_escapes['exit_attribute_mode']:
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close_span()
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return False
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# We don't handle bold or underline yet
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# Do nothing on failure
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return span_open
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def strip_ansi(val):
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# Make a half-assed effort to strip ANSI control sequences
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# We assume that all such sequences start with 0x1b and end with m,
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# which catches most cases
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return re.sub("\x1b[^m]*m", '', val)
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def ansi_prompt_line_width(val):
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# Given an ANSI prompt, return the length of its longest line, as in the number of characters it takes up
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# Start by stripping off ANSI
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stripped_val = strip_ansi(val)
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# Now count the longest line
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return max([len(x) for x in stripped_val.split('\n')])
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def ansi_to_html(val):
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# Split us up by ANSI escape sequences
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# We want to catch not only the standard color codes, but also things like sgr0
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# Hence this lame check
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# Note that Python 2.6 doesn't have a flag param to re.split, so we have to compile it first
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reg = re.compile("""
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( # Capture
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\x1b # Escape
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[^m]+ # One or more non-'m's
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m # Literal m terminates the sequence
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) # End capture
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""", re.VERBOSE)
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separated = reg.split(val)
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# We have to HTML escape the text and convert ANSI escapes into HTML
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# Collect it all into this array
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result = []
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span_open = False
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# Text is at even indexes, escape sequences at odd indexes
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for i in range(len(separated)):
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component = separated[i]
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if i % 2 == 0:
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# It's text, possibly empty
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# Clean up other ANSI junk
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result.append(cgi.escape(strip_ansi(component)))
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else:
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# It's an escape sequence. Close the previous escape.
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span_open = append_html_for_ansi_escape(component, result, span_open)
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# Close final escape
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if span_open: result.append('</span>')
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# Remove empty elements
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result = [x for x in result if x]
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# Clean up empty spans, the nasty way
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idx = len(result) - 1
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while idx >= 1:
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if result[idx] == '</span>' and result[idx-1].startswith('<span'):
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# Empty span, delete these two
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result[idx-1:idx+1] = []
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idx = idx - 1
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idx = idx - 1
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return ''.join(result)
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class FishVar:
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""" A class that represents a variable """
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def __init__(self, name, value):
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self.name = name
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self.value = value
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self.universal = False
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self.exported = False
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def get_json_obj(self):
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# Return an array(3): name, value, flags
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flags = []
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if self.universal: flags.append('universal')
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if self.exported: flags.append('exported')
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return {"name": self.name, "value": self.value, "Flags": ', '.join(flags)}
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class FishBinding:
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"""A class that represents keyboard binding """
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def __init__(self, command, binding, description=None):
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self.command = command
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self.binding = binding
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self.description = description
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def get_json_obj(self):
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return {"command" : self.command, "binding": self.binding, "description": self.description }
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class FishConfigHTTPRequestHandler(SimpleHTTPServer.SimpleHTTPRequestHandler):
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def write_to_wfile(self, txt):
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if IS_PY2:
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self.wfile.write(txt)
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else: # Python 3
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self.wfile.write(bytes(txt, 'utf-8'))
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def do_get_colors(self):
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# Looks for fish_color_*.
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# Returns an array of lists [color_name, color_description, color_value]
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result = []
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# Make sure we return at least these
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remaining = set(['normal',
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'error',
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'command',
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'end',
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'param',
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'comment',
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'match',
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'search_match',
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'operator',
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'escape',
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'quote',
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'redirection',
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'valid_path',
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'autosuggestion'
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])
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# Here are our color descriptions
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descriptions = {
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'normal': 'Default text',
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'command': 'Ordinary commands',
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'quote': 'Text within quotes',
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'redirection': 'Like | and >',
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'end': 'Like ; and &',
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'error': 'Potential errors',
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'param': 'Command parameters',
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'comment': 'Comments start with #',
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'match': 'Matching parenthesis',
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'search_match': 'History searching',
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'history_current': 'Directory history',
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'operator': 'Like * and ~',
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'escape': 'Escapes like \\n',
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'cwd': 'Current directory',
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'cwd_root': 'cwd for root user',
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'valid_path': 'Valid paths',
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'autosuggestion': 'Suggested completion'
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}
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out, err = run_fish_cmd('set -L')
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for line in out.split('\n'):
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for match in re.finditer(r"^fish_color_(\S+) ?(.*)", line):
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color_name, color_value = [x.strip() for x in match.group(1, 2)]
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color_desc = descriptions.get(color_name, '')
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data = { "name": color_name, "description" : color_desc }
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data.update(parse_color(color_value))
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result.append(data)
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remaining.discard(color_name)
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# Ensure that we have all the color names we know about, so that if the
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# user deletes one he can still set it again via the web interface
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for color_name in remaining:
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color_desc = descriptions.get(color_name, '')
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result.append([color_name, color_desc, parse_color('')])
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# Sort our result (by their keys)
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result.sort()
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return result
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def do_get_functions(self):
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out, err = run_fish_cmd('functions')
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out = out.strip()
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# Not sure why fish sometimes returns this with newlines
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if "\n" in out:
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return out.split('\n')
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else:
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return out.strip().split(', ')
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def do_get_variable_names(self, cmd):
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" Given a command like 'set -U' return all the variable names "
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out, err = run_fish_cmd(cmd)
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return out.split('\n')
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def do_get_variables(self):
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out, err = run_fish_cmd('set -L')
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# Put all the variables into a dictionary
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vars = {}
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for line in out.split('\n'):
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comps = line.split(' ', 1)
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if len(comps) < 2: continue
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fish_var = FishVar(comps[0], comps[1])
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vars[fish_var.name] = fish_var
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# Mark universal variables. L means don't abbreviate.
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for name in self.do_get_variable_names('set -nUL'):
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if name in vars: vars[name].universal = True
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# Mark exported variables. L means don't abbreviate.
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for name in self.do_get_variable_names('set -nxL'):
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if name in vars: vars[name].exported = True
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return [vars[key].get_json_obj() for key in sorted(vars.keys(), key=str.lower)]
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def do_get_bindings(self):
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out, err = run_fish_cmd('fish -i -c "functions --erase fish_prompt; bind"')
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#import ipdb; ipdb.set_trace()
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# Put all the bindings into a dictionary
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bindings = []
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for line in out.split('\n'):
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comps = line.split(' ', 2)
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if len(comps) < 3:
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continue
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if comps[1] == '-k':
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key_name, command = comps[2].split(' ', 2)
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fish_binding = FishBinding(command=command, binding=key_name)
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else:
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fish_binding = FishBinding(command=comps[2], binding=comps[1])
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bindings.append(fish_binding)
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return [ binding.get_json_obj() for binding in bindings ]
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def do_get_history(self):
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# Use \x1e ("record separator") to distinguish between history items. The first
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# backslash is so Python passes one backslash to fish
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out, err = run_fish_cmd('for val in $history; echo -n $val \\x1e; end')
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result = out.split(' \x1e')
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if result: result.pop() # Trim off the trailing element
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return result
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def do_get_color_for_variable(self, name):
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"Return the color with the given name, or the empty string if there is none"
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out, err = run_fish_cmd("echo -n $" + name)
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return out
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def do_set_color_for_variable(self, name, color, background_color, bold, underline):
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if not color: color = 'normal'
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"Sets a color for a fish color name, like 'autosuggestion'"
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command = 'set -U fish_color_' + name
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if color: command += ' ' + color
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if background_color: command += ' --background=' + background_color
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if bold: command += ' --bold'
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if underline: command += ' --underline'
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out, err = run_fish_cmd(command)
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return out
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def do_get_function(self, func_name):
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out, err = run_fish_cmd('functions ' + func_name)
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return out
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def do_delete_history_item(self, history_item_text):
|
|
# It's really lame that we always return success here
|
|
out, err = run_fish_cmd('builtin history --save --delete -- ' + escape_fish_cmd(history_item_text))
|
|
return True
|
|
|
|
def do_set_prompt_function(self, prompt_func):
|
|
cmd = prompt_func + '\n' + 'funcsave fish_prompt'
|
|
out, err = run_fish_cmd(cmd)
|
|
return len(err) == 0
|
|
|
|
def do_get_prompt(self, command_to_run, prompt_function_text):
|
|
# Return the prompt output by the given command
|
|
prompt_demo_ansi, err = run_fish_cmd(command_to_run)
|
|
prompt_demo_html = ansi_to_html(prompt_demo_ansi)
|
|
prompt_demo_font_size = self.font_size_for_ansi_prompt(prompt_demo_ansi)
|
|
return {'function': prompt_function_text, 'demo': prompt_demo_html, 'font_size': prompt_demo_font_size }
|
|
|
|
def do_get_current_prompt(self):
|
|
# Return the current prompt
|
|
prompt_func, err = run_fish_cmd('functions fish_prompt')
|
|
return self.do_get_prompt('cd "' + initial_wd + '" ; fish_prompt', prompt_func.strip())
|
|
|
|
def do_get_sample_prompt(self, text):
|
|
# Return the prompt you get from the given text
|
|
cmd = text + "\n cd \"" + initial_wd + "\" \n fish_prompt\n"
|
|
return self.do_get_prompt(cmd, text.strip())
|
|
|
|
def parse_one_sample_prompt_hash(self, line, result_dict):
|
|
# Allow us to skip whitespace, etc.
|
|
if not line: return True
|
|
if line.isspace(): return True
|
|
|
|
# Parse a comment hash like '# name: Classic'
|
|
match = re.match(r"#\s*(\w+?): (.+)", line, re.IGNORECASE)
|
|
if match:
|
|
key = match.group(1).strip()
|
|
value = match.group(2).strip()
|
|
result_dict[key] = value
|
|
return True
|
|
# Skip other hash comments
|
|
return line.startswith('#')
|
|
|
|
|
|
def read_one_sample_prompt(self, fd):
|
|
# Read one sample prompt from fd
|
|
function_lines = []
|
|
result = {}
|
|
parsing_hashes = True
|
|
for line in fd:
|
|
# Parse hashes until parse_one_sample_prompt_hash return False
|
|
if parsing_hashes:
|
|
parsing_hashes = self.parse_one_sample_prompt_hash(line, result)
|
|
# Maybe not we're not parsing hashes, or maybe we already were not
|
|
if not parsing_hashes:
|
|
function_lines.append(line)
|
|
result['function'] = ''.join(function_lines).strip()
|
|
return result
|
|
|
|
def do_get_sample_prompts_list(self):
|
|
result = []
|
|
# Start with the "Current" meta-sample
|
|
result.append({'name': 'Current'})
|
|
|
|
# Read all of the prompts in sample_prompts
|
|
paths = glob.iglob('sample_prompts/*.fish')
|
|
for path in paths:
|
|
try:
|
|
fd = open(path)
|
|
result.append(self.read_one_sample_prompt(fd))
|
|
fd.close()
|
|
except IOError:
|
|
# Ignore unreadable files, etc
|
|
pass
|
|
return result
|
|
|
|
def font_size_for_ansi_prompt(self, prompt_demo_ansi):
|
|
width = ansi_prompt_line_width(prompt_demo_ansi)
|
|
# Pick a font size
|
|
if width >= 70: font_size = '8pt'
|
|
if width >= 60: font_size = '10pt'
|
|
elif width >= 50: font_size = '11pt'
|
|
elif width >= 40: font_size = '13pt'
|
|
elif width >= 30: font_size = '15pt'
|
|
elif width >= 25: font_size = '16pt'
|
|
elif width >= 20: font_size = '17pt'
|
|
else: font_size = '18pt'
|
|
return font_size
|
|
|
|
|
|
def do_GET(self):
|
|
p = self.path
|
|
if p == '/colors/':
|
|
output = self.do_get_colors()
|
|
elif p == '/functions/':
|
|
output = self.do_get_functions()
|
|
elif p == '/variables/':
|
|
output = self.do_get_variables()
|
|
elif p == '/history/':
|
|
# start = time.time()
|
|
output = self.do_get_history()
|
|
# end = time.time()
|
|
# print "History: ", end - start
|
|
elif p == '/current_prompt/':
|
|
output = self.do_get_current_prompt()
|
|
elif p == '/sample_prompts/':
|
|
output = self.do_get_sample_prompts_list()
|
|
elif re.match(r"/color/(\w+)/", p):
|
|
name = re.match(r"/color/(\w+)/", p).group(1)
|
|
output = self.do_get_color_for_variable(name)
|
|
elif p == '/bindings/':
|
|
output = self.do_get_bindings()
|
|
else:
|
|
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_GET(self)
|
|
|
|
# Return valid output
|
|
self.send_response(200)
|
|
self.send_header('Content-type','text/html')
|
|
self.write_to_wfile('\n')
|
|
|
|
# Output JSON
|
|
self.write_to_wfile(json.dumps(output))
|
|
|
|
def do_POST(self):
|
|
p = self.path
|
|
if IS_PY2:
|
|
ctype, pdict = cgi.parse_header(self.headers.getheader('content-type'))
|
|
else: # Python 3
|
|
ctype, pdict = cgi.parse_header(self.headers['content-type'])
|
|
|
|
if ctype == 'multipart/form-data':
|
|
postvars = cgi.parse_multipart(self.rfile, pdict)
|
|
elif ctype == 'application/x-www-form-urlencoded':
|
|
try:
|
|
length = int(self.headers.getheader('content-length'))
|
|
except AttributeError:
|
|
length = int(self.headers['content-length'])
|
|
# parse_qs borks if we give it a Unicode string in Python2.
|
|
url_str = self.rfile.read(length).decode('utf-8')
|
|
if IS_PY2: url_str = str(url_str)
|
|
postvars = cgi.parse_qs(url_str, keep_blank_values=1)
|
|
else:
|
|
postvars = {}
|
|
|
|
if p == '/set_color/':
|
|
what = postvars.get('what')
|
|
color = postvars.get('color')
|
|
background_color = postvars.get('background_color')
|
|
bold = postvars.get('bold')
|
|
underline = postvars.get('underline')
|
|
|
|
if what:
|
|
# Not sure why we get lists here?
|
|
output = self.do_set_color_for_variable(what[0], color[0], background_color[0], parse_bool(bold[0]), parse_bool(underline[0]))
|
|
else:
|
|
output = 'Bad request'
|
|
elif p == '/get_function/':
|
|
what = postvars.get('what')
|
|
output = [self.do_get_function(what[0])]
|
|
elif p == '/get_sample_prompt/':
|
|
what = postvars.get('what')
|
|
output = [self.do_get_sample_prompt(what[0])]
|
|
elif p == '/delete_history_item/':
|
|
what = postvars.get('what')
|
|
if self.do_delete_history_item(what[0]):
|
|
output = ["OK"]
|
|
else:
|
|
output = ["Unable to delete history item"]
|
|
elif p == '/set_prompt/':
|
|
what = postvars.get('what')
|
|
if self.do_set_prompt_function(what[0]):
|
|
output = ["OK"]
|
|
else:
|
|
output = ["Unable to set prompt"]
|
|
else:
|
|
return SimpleHTTPServer.SimpleHTTPRequestHandler.do_POST(self)
|
|
|
|
# Return valid output
|
|
self.send_response(200)
|
|
self.send_header('Content-type','text/html')
|
|
self.write_to_wfile('\n')
|
|
|
|
# Output JSON
|
|
self.write_to_wfile(json.dumps(output))
|
|
|
|
def log_request(self, code='-', size='-'):
|
|
""" Disable request logging """
|
|
pass
|
|
|
|
# find fish
|
|
fish_bin_dir = os.environ.get('__fish_bin_dir')
|
|
fish_bin_path = None
|
|
if not fish_bin_dir:
|
|
print('The __fish_bin_dir environment variable is not set. Looking in $PATH...')
|
|
# distutils.spawn is terribly broken, because it looks in wd before PATH,
|
|
# and doesn't actually validate that the file is even executabl
|
|
for p in os.environ['PATH'].split(os.pathsep):
|
|
proposed_path = os.path.join(p, 'fish')
|
|
if os.access(proposed_path, os.X_OK):
|
|
fish_bin_path = proposed_path
|
|
break
|
|
if not fish_bin_path:
|
|
print("fish could not be found. Is fish installed correctly?")
|
|
sys.exit(-1)
|
|
else:
|
|
print("fish found at '%s'" % fish_bin_path)
|
|
|
|
else:
|
|
fish_bin_path = os.path.join(fish_bin_dir, 'fish')
|
|
|
|
if not os.access(fish_bin_path, os.X_OK):
|
|
print("fish could not be executed at path '%s'. Is fish installed correctly?" % fish_bin_path)
|
|
sys.exit(-1)
|
|
FISH_BIN_PATH = fish_bin_path
|
|
|
|
# We want to show the demo prompts in the directory from which this was invoked,
|
|
# so get the current working directory
|
|
initial_wd = os.getcwd()
|
|
|
|
# Make sure that the working directory is the one that contains the script server file,
|
|
# because the document root is the working directory
|
|
where = os.path.dirname(sys.argv[0])
|
|
os.chdir(where)
|
|
|
|
# Try to find a suitable port
|
|
PORT = 8000
|
|
while PORT <= 9000:
|
|
try:
|
|
Handler = FishConfigHTTPRequestHandler
|
|
httpd = SocketServer.TCPServer(("", PORT), Handler)
|
|
# Success
|
|
break
|
|
except socket.error:
|
|
err_type, err_value = sys.exc_info()[:2]
|
|
# str(err_value) handles Python3 correctly
|
|
if 'Address already in use' not in str(err_value):
|
|
break
|
|
PORT += 1
|
|
|
|
if PORT > 9000:
|
|
# Nobody say it
|
|
print("Unable to find an open port between 8000 and 9000")
|
|
sys.exit(-1)
|
|
|
|
# Get any initial tab (functions, colors, etc)
|
|
# Just look at the first letter
|
|
initial_tab = ''
|
|
if len(sys.argv) > 1:
|
|
for tab in ['functions', 'prompt', 'colors', 'variables', 'history']:
|
|
if tab.startswith(sys.argv[1]):
|
|
initial_tab = '#' + tab
|
|
break
|
|
|
|
url = 'http://localhost:%d/%s' % (PORT, initial_tab)
|
|
print("Web config started at '%s'. Hit enter to stop." % url)
|
|
webbrowser.open(url)
|
|
|
|
# Select on stdin and httpd
|
|
stdin_no = sys.stdin.fileno()
|
|
try:
|
|
while True:
|
|
ready_read = select.select([sys.stdin.fileno(), httpd.fileno()], [], [])
|
|
if ready_read[0][0] < 1:
|
|
print("Shutting down.")
|
|
# Consume the newline so it doesn't get printed by the caller
|
|
sys.stdin.readline()
|
|
break
|
|
else:
|
|
httpd.handle_request()
|
|
except KeyboardInterrupt:
|
|
print("\nShutting down.")
|
|
|