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Set the byte encoding to assume when processing strings and the
encoding to use when converting unicode strings.
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Get the mode Urwid is using when processing text strings.
Returns 'narrow' for 8-bit encodings, 'wide' for CJK encodings
or 'utf8' for UTF-8 encodings.
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Return (encoded byte string, character set rle).
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Return True if python is able to convert non-ascii unicode strings
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Calculate the result of trimming text.
start_offs -- offset into text to treat as screen column 0
end_offs -- offset into text to treat as the end of the line
start_col -- screen column to trim at the left
end_col -- screen column to trim at the right
Returns (start, end, pad_left, pad_right), where:
start -- resulting start offset
end -- resulting end offset
pad_left -- 0 for no pad or 1 for one space to be added
pad_right -- 0 for no pad or 1 for one space to be added
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Return the attribute at offset pos.
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Return the number of characters covered by a run length
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Append (a, r) (unpacked from *a_r*) to BEGINNING of rle.
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MODIFIES rle parameter contents. Returns None.
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Append (a, r) (unpacked from *a_r*) to the rle list rle.
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MODIFIES rle parameter contents. Returns None.
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Append attribute list rle2 to rle.
Merge last run of rle with first run of rle2 when possible.
MODIFIES attr parameter contents. Returns None.
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Merge the runs of rle1 and rle2 like this:
eg.
rle1 = [ ("a", 10), ("b", 5) ]
rle2 = [ ("Q", 5), ("P", 10) ]
rle_product: [ (("a","Q"), 5), (("a","P"), 5), (("b","P"), 5) ]
rle1 and rle2 are assumed to cover the same total run.
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Scale val in the range [0, val_range-1] to an integer in the range
[0, out_range-1]. This implementation uses the "round-half-up" rounding
method.
>>> "%x" % int_scale(0x7, 0x10, 0x10000)
'7777'
>>> "%x" % int_scale(0x5f, 0x100, 0x10)
'6'
>>> int_scale(2, 6, 101)
40
>>> int_scale(1, 3, 4)
2
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