■ 前言

在 如何高效优雅的在CSDN中输入公式 博文中介绍了利用MathType输入数学公式的方法。本文就是将其中相关的Python程序给出。以方便拷贝使用。

01程序

1.mt2csdn

本程序是将MATHTYPE中的带有矩阵符合的公式转换为CSDN中的Katex的格式。

#!/usr/local/bin/python
# -*- coding: gbk -*-
#============================================================
# MT2CSDN.PY             -- by Dr. ZhuoQing 2020-06-07
#
# Note:
#============================================================

from head import *

csdn_title = '写文章-CSDN博客'

#------------------------------------------------------------
if len(sys.argv) == 1: exit()

pastestr = sys.argv[1]
pastestr = pastestr.replace('`', ' ')
#------------------------------------------------------------
startmark = pastestr.find('$$')
if startmark < 0:
    printf("No $$ presents for latex.\a")
    exit

endmark = pastestr[startmark+2:].find('$$')
if endmark < 0:
    printf("No end $$ presents for latex.\a")
    exit

printf(pastestr)
#printf(len(pastestr))
#printf(startmark, endmark)
pastestr = pastestr[startmark+2:startmark+2+endmark].split('\\cr')

#printf(pastestr)

#------------------------------------------------------------
stringsect = [s.strip(' ') for s in pastestr]
if stringsect[0] == '\\eqalign{':
    stringsect = stringsect[1:-1]

if stringsect[-1] == '}':
    stringsect = stringsect[0:-1]

printf(stringsect)

#------------------------------------------------------------
emptystr = 0
mathstr = ''
sectnum = len(stringsect)
matrixbeginflag = 0

for id,s in enumerate(stringsect):
    s=s.replace('\\left[', '\\begin{bmatrix}')
    s=s.replace('\\right]', '\\end{bmatrix}')
    s=s.replace('\\eqalign{ ', "")

    if s == '}': continue

    if s.find('} } ') >= 0:
        matrixbeginflag = 0
        s=s.replace('} }', '\\end{matrix}')

    matrixbegin = s.find('{\\matrix{')
    if matrixbegin >= 0:
        shead = s[0:matrixbegin]
#        smatrix = '&'.join([ss for ss in s[matrixbegin+9:].split(' ') if len(ss) > 0])
        smatrix = s[matrixbegin+9:]
        s = '%s \\begin{matrix} %s'%(shead, smatrix)
        matrixbeginflag = 1
    else:
#        if matrixbeginflag == 1:
#            s = '&'.join([ss for ss in s.split(' ') if len(ss) > 0])
        pass

    if len(s) == 0: emptystr = emptystr + 1
    else:
        mathstr = mathstr + s

    if id < sectnum - 1 and matrixbeginflag == 1:
        if len(stringsect[id + 1]) > 0:
            mathstr = mathstr + '\\\\'

    if matrixbeginflag == 0:
        if id < sectnum - 1:
            mathstr = mathstr + " $$$$ "

#------------------------------------------------------------
if emptystr > 1:
    insertstr = '$%s$'%mathstr
else: insertstr = '$$%s$$\r\n'%mathstr
#------------------------------------------------------------
clipboard.copy(insertstr)
tspsendwindowkey(csdn_title, 'v', control=1, noreturn=1)

clipboard.copy('')
#tspfocuswindow(csdn_title)

#------------------------------------------------------------
#        END OF FILE : MT2CSDN.PY
#============================================================

  
 

  
1
  
2
  
3
  
4
  
5
  
6
  
7
  
8
  
9
  
10
  
11
  
12
  
13
  
14
  
15
  
16
  
17
  
18
  
19
  
20
  
21
  
22
  
23
  
24
  
25
  
26
  
27
  
28
  
29
  
30
  
31
  
32
  
33
  
34
  
35
  
36
  
37
  
38
  
39
  
40
  
41
  
42
  
43
  
44
  
45
  
46
  
47
  
48
  
49
  
50
  
51
  
52
  
53
  
54
  
55
  
56
  
57
  
58
  
59
  
60
  
61
  
62
  
63
  
64
  
65
  
66
  
67
  
68
  
69
  
70
  
71
  
72
  
73
  
74
  
75
  
76
  
77
  
78
  
79
  
80
  
81
  
82
  
83
  
84
  
85
  
86
  
87
  
88
  
89
  
90
  
91
  
92
  
93
  
94
  
95
  
96
  
97
  
98
  
99
  
100
 

2.mpc

将MATHTYPE中的公式按照图片格式插入到CSDN。

#!/usr/local/bin/python
# -*- coding: gbk -*-
#============================================================
# MTPIC2CSDN.PY                -- by Dr. ZhuoQing 2020-06-17
#
# Note:
#============================================================

from        head   import *

import      matplotlib.image as mpimg
from PIL    import Image, ImageFont, ImageDraw
from io     import BytesIO
import      win32clipboard

#------------------------------------------------------------
csdn_window = '写文章-CSDN博客'

#------------------------------------------------------------
def send_to_clipboard(clip_type, data):
    win32clipboard.OpenClipboard()
    win32clipboard.EmptyClipboard()
    win32clipboard.SetClipboardData(clip_type, data)
    win32clipboard.CloseClipboard()

#------------------------------------------------------------
mathtype_title = 'MathType'

tempdir = r'd:\temp'

if os.path.isdir(tempdir) == False:
    printf("ERROR: The temporal directory d:\\temp is not existed.")
    exit()

#------------------------------------------------------------
mathtypepic = os.path.join(tempdir, 'MATHTYPE.BMP')
mtrect = tspgetwindowrect(mathtype_title)
#printf(mtrect)

if mtrect[2] - mtrect[0] == 0 or\
   mtrect[3] - mtrect[1] == 0:
    printf("ERROR: MathType window does not exist!")
    exit()

#------------------------------------------------------------
tspsavescreenrect(mathtypepic, mtrect)
img = mpimg.imread(mathtypepic)
r, g, b = img[:,:,0], img[:,:,1], img[:,:,2]
#gray = 0.2989*r + 0.5870*g + 0.1140*b
gray = r/3 + g/3 + g/3

#printf(shape(gray))
centerx = shape(gray)[1] - 30
centery = shape(gray)[0] - 45
horzline = gray[centery, 0:centerx][::-1]
vertline = gray[0:centery, centerx][::-1]

#------------------------------------------------------------
marginleft = -1
marginright = centerx
margintop = -1
marginbottom = centery

for id,s in enumerate(horzline):
    if s < 254:
        marginleft = len(horzline) - id
        break

for id,s in enumerate(vertline):
    if s <  254:
        margintop = len(vertline) - id
        break

if marginleft == -1 or marginright == -1 or margintop == -1 or marginbottom == -1:
    printf("ERROR: MathType has no margin.")
    exit()

#printf("Margin: %d,%d,%d,%d"%(marginleft, margintop, marginright, marginbottom))
#------------------------------------------------------------

rectleft    = -1
recttop     = -1
rectright   = -1
rectbottom  = -1

n = 9
checkright = int(shape(gray)[1] * 9 / 10)

if len(sys.argv) > 2:
    if sys.argv[2].isnumeric():
        n = int(sys.argv[2])
        if n < 2: n = 2

        checkright = int(shape(gray)[1]*(n - 1) / n)

#------------------------------------------------------------
for i in range(margintop, marginbottom+1):
    if list(gray[i, marginleft:checkright] < 250).count(True) > 0:
        if recttop == -1:
            recttop = i
        rectbottom = i

for i in range(marginleft, marginright+1):
    if list(gray[recttop:rectbottom+1, i] < 250).count(True) > 0:
        if rectleft == -1:
            rectleft = i
        rectright = i

if rectleft < 0 or recttop < 0 or rectright < 0 or rectbottom < 0:
    printf("ERROR: No find the formular.")
    exit()

#------------------------------------------------------------
fillrectwidth = 0
sideflag = 0
sidecolor = (0,0,128)

#------------------------------------------------------------
formularstr = ''
if len(sys.argv) > 1:

    if sys.argv[1][0] != '#' and sys.argv[1][0] != '.':
        rectright = marginright
        formularstr = sys.argv[1]
        fillrectwidth = rectleft
        rectleft = 0
    else:

        if sys.argv[1] !=  '..':
            rectwidth = rectright + 1 - rectleft
            rectcenter = int((rectleft + rectright) / 2)
            totalwidth = marginright + 1 - rectleft

            fillrectwidth = rectleft
            rectleft = rectcenter - int(totalwidth / 2)
            fillrectwidth = fillrectwidth - rectleft
            rectright = rectleft + totalwidth

            if len(sys.argv[1]) > 1:
                formularstr = sys.argv[1][1:]

        else:
            rectright = marginright
            fillrectwidth = rectleft
            rectleft = 0

    if len(sys.argv) > 2:
        if sys.argv[2] == '[]':
            sideflag = 1
        elif sys.argv[2][0] == '(' and sys.argv[2][-1] == ')':
            sidecolor = eval(sys.argv[2])
            sideflag = 1

#------------------------------------------------------------
fontsize = 24
fontfile = r'd:\python\tools\font\arial.ttf'
tx = 0
ty = 0
if len(formularstr) > 0:
    if formularstr.isnumeric():
        formularstr = '(%s)'%formularstr

    tx = rectright - rectleft - fontsize * len(formularstr) / 2
    ty = (rectbottom - recttop - fontsize) / 2

#------------------------------------------------------------
SIDE_WIDTH = 10
if sideflag > 0:
#    rectleft = rectleft - SIDE_WIDTH
    recttop  = recttop  - SIDE_WIDTH
#    rectright = rectright + SIDE_WIDTH
    rectbottom = rectbottom + SIDE_WIDTH
    ty = ty + SIDE_WIDTH

image = Image.open(mathtypepic).crop((rectleft, recttop, rectright+1, rectbottom+1))
draw = ImageDraw.Draw(image)

font = ImageFont.truetype(fontfile, size=fontsize)

if fillrectwidth > 0:
    draw.rectangle((0, 0, fillrectwidth, rectbottom+1-recttop), fill=(255,255,255), outline=(255,255,255))

draw.text((tx, ty), formularstr, (0, 0, 0), font=font)

if sideflag > 0:
    draw.rectangle((0, 0, rectright - rectleft, rectbottom - recttop), outline=sidecolor)

image.save(r'd:\temp\1.bmp')
output = BytesIO()
image.convert('RGB').save(output, 'BMP')
data = output.getvalue()[14:]
output.close()
send_to_clipboard(win32clipboard.CF_DIB, data)

#------------------------------------------------------------
printf("\a")
time.sleep(.1)

#------------------------------------------------------------

tspsendwindowkey(csdn_window, 'v', control=1)

for i in range(5):
    time.sleep(.2)
    readdata = tspread()
#        printf(readdata)

    if readdata[2] == 1: break
    if readdata[7] != 0: break
    if readdata[8] != 0: exit()
    if readdata[9] != 0: exit()

    tspsendwindowkey(csdn_window, 'a', control=1)
    tspsendwindowkey(csdn_window, 'c', control=1)
    if clipboard.paste().find('在这里插入图片描述') >= 0:
        tspbeep(1500, 200)
        time.sleep(.1)
        break

    printf('\a')

#------------------------------------------------------------
for i in range(20):
    readdata = tspread()

    if readdata[7] == 0 and readdata[8] == 0 and readdata[9] == 0: break

    tspbeep(2500, 15)
    time.sleep(.25)

#------------------------------------------------------------
#tspsendwindowkey(csdn_window, 'a', control=1)
#tspsendwindowkey(csdn_window, 'c', control=1)

#------------------------------------------------------------
pastestr = clipboard.paste().split('![在这里插入图片描述](')
if len(pastestr) < 2:
    printf("Can not find the ![Insert picture] discriptor !\a")
    exit()

    for i in range(2):
        tspsendwindowkey(csdn_window, '%c'%M1_END, vk=1)
        tspsendwindowkey(csdn_window, 'v', control=1)
        time.sleep(1)
        printf('\a')
        time.sleep(.5)
        tspsendwindowkey(csdn_window, 'a', control=1)
        tspsendwindowkey(csdn_window, 'c', control=1)

        pastestr = clipboard.paste().split('![在这里插入图片描述](')
        if len(pastestr) >= 2: break

if len(pastestr) < 2:
    printf("Can not find the ![Insert picture] discriptor !\a")
    exit()

#------------------------------------------------------------
tspsendwindowkey(csdn_window, 'z', control=1)

#------------------------------------------------------------

pastestr = pastestr[1].split(')')[0].split('?')[0]

#------------------------------------------------------------
widthstr = '=%dx'%int((rectright - rectleft) * 0.68)
morestring = ''
insertstring = ''
pic_pos_str = 'pic_center'

insertstring = '![%s](%s#%s %s)\r\n'%(insertstring, pastestr, pic_pos_str, widthstr)

#------------------------------------------------------------
clipboard.copy(insertstring)
tspsendwindowkey(csdn_window, 'v', control=1)

time.sleep(.2)
clipboard.copy('')

tspfocuswindow(csdn_window)

#------------------------------------------------------------
#        END OF FILE : MTPIC2CSDN.PY
#============================================================
  
 

  
1
  
2
  
3
  
4
  
5
  
6
  
7
  
8
  
9
  
10
  
11
  
12
  
13
  
14
  
15
  
16
  
17
  
18
  
19
  
20
  
21
  
22
  
23
  
24
  
25
  
26
  
27
  
28
  
29
  
30
  
31
  
32
  
33
  
34
  
35
  
36
  
37
  
38
  
39
  
40
  
41
  
42
  
43
  
44
  
45
  
46
  
47
  
48
  
49
  
50
  
51
  
52
  
53
  
54
  
55
  
56
  
57
  
58
  
59
  
60
  
61
  
62
  
63
  
64
  
65
  
66
  
67
  
68
  
69
  
70
  
71
  
72
  
73
  
74
  
75
  
76
  
77
  
78
  
79
  
80
  
81
  
82
  
83
  
84
  
85
  
86
  
87
  
88
  
89
  
90
  
91
  
92
  
93
  
94
  
95
  
96
  
97
  
98
  
99
  
100
  
101
  
102
  
103
  
104
  
105
  
106
  
107
  
108
  
109
  
110
  
111
  
112
  
113
  
114
  
115
  
116
  
117
  
118
  
119
  
120
  
121
  
122
  
123
  
124
  
125
  
126
  
127
  
128
  
129
  
130
  
131
  
132
  
133
  
134
  
135
  
136
  
137
  
138
  
139
  
140
  
141
  
142
  
143
  
144
  
145
  
146
  
147
  
148
  
149
  
150
  
151
  
152
  
153
  
154
  
155
  
156
  
157
  
158
  
159
  
160
  
161
  
162
  
163
  
164
  
165
  
166
  
167
  
168
  
169
  
170
  
171
  
172
  
173
  
174
  
175
  
176
  
177
  
178
  
179
  
180
  
181
  
182
  
183
  
184
  
185
  
186
  
187
  
188
  
189
  
190
  
191
  
192
  
193
  
194
  
195
  
196
  
197
  
198
  
199
  
200
  
201
  
202
  
203
  
204
  
205
  
206
  
207
  
208
  
209
  
210
  
211
  
212
  
213
  
214
  
215
  
216
  
217
  
218
  
219
  
220
  
221
  
222
  
223
  
224
  
225
  
226
  
227
  
228
  
229
  
230
  
231
  
232
  
233
  
234
  
235
  
236
  
237
  
238
  
239
  
240
  
241
  
242
  
243
  
244
  
245
  
246
  
247
  
248
  
249
  
250
  
251
  
252
  
253
  
254
  
255
  
256
  
257
  
258
  
259
  
260
  
261
  
262
  
263
  
264
  
265
  
266
  
267
  
268
  
269
  
270
  
271
  
272
  
273
  
274
  
275
  
276
  
277
  
278
  
279
  
280
  
281
  
282
  
283
  
284
 

文章来源: zhuoqing.blog.csdn.net，作者：卓晴，版权归原作者所有，如需转载，请联系作者。

原文链接：zhuoqing.blog.csdn.net/article/details/107335408