[Tutor] Difficulty with file.writelines()
Israel Evans
israel@lith.com
Fri, 24 May 2002 10:00:33 -0700
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Hello everyone.. I'm attempting to see if a file has a particular group of
lines, and move them to the end. If the file doesn't have this group, I'd
like to add a basic version of that group to the end anyways. The problem
I'm having is when the file doesn't have the group of lines I'm looking for.
It seems that my file.writelines() down at the end of the function in the
last else: block is overwriting the whole file with the little group. What
Am I missing?
###--------------------------###
import re, os, os.path
def move_empty(fxf_filename, fxdir=r'C:\Dev\Tron\BUILD\Game\ClientFX'):
fxfilepath = os.path.join(fxdir, fxf_filename)
fxfile = open(fxfilepath, 'r')
fxfile.seek(0)
empty = re.compile("GroupName:.*_empty")
matchlist = []
matchcount = 0
tempfile = open(os.path.join(fxdir, 'temp.fxf'), 'w')
for line in fxfile.readlines():
if empty.search(line):
matchlist.append(line)
print matchlist
matchcount = 2
elif matchcount > 0:
matchlist.append(line)
matchcount = matchcount - 1
print matchlist, matchcount
else: tempfile.writelines(line)
if matchlist != []:
for line in matchlist:
tempfile.writelines(line)
print line
else: # figure out why this is erasing everything else and
writing
# only the empty_group.
filename = fxf_filename.split('.')
name = filename[0].upper()
empty_group = '''\tGroupName: %s_empty\n\tFxInGroup:
0\n\tPhase: 10000\n'''%(name)
tempfile.writelines(empty_group)
tempfile.close()
###-------------------------------------###
Thanks for any help...
~Israel~
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<body lang=3DEN-US link=3Dblue vlink=3Dpurple =
style=3D'tab-interval:.5in'>
<div class=3DSection1>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Hello everyone<span class=3DGramE>..</span><span
style=3D'mso-spacerun:yes'> </span>I'm attempting to see if =
a
file has a particular group of lines, and move them to the end. <span
style=3D'mso-spacerun:yes'> </span>If the file doesn't have this
group, I'd like to add a basic version of that group to the end
anyways.<span style=3D'mso-spacerun:yes'> </span>The problem I'm
having is when the file doesn't have the group of lines I'm looking
for. <span style=3D'mso-spacerun:yes'> </span>It seems that my =
<span
class=3DSpellE><span class=3DGramE>file.writelines</span></span><span =
class=3DGramE>(</span>)
down at the end of the function in the last else: block is overwriting =
the
whole file with the little group. <span
style=3D'mso-spacerun:yes'> </span>What Am I =
missing?<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>###--------------------------###<o:p></o:p></span></f=
ont></p>
<p class=3DMsoNormal><span class=3DGramE><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>import</span></font></span>=
<font
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> re, <span
class=3DSpellE>os</span>, <span =
class=3DSpellE>os.path</span><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><span class=3DGramE><font size=3D2 =
face=3DArial><span
style=3D'font-size:10.0pt;font-family:Arial'>def</span></font></span><fo=
nt
size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;font-family:Arial'> <span
class=3DSpellE>move_empty</span>(<span =
class=3DSpellE>fxf_filename</span>, <span
class=3DSpellE>fxdir</span>=3D<span =
class=3DSpellE>r'C:\Dev\Tron\BUILD\Game\ClientFX</span>'):<o:p></o:p></s=
pan></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>fxfilepath</span></span> =3D <span =
class=3DSpellE>os.path.join</span>(<span
class=3DSpellE>fxdir</span>, <span =
class=3DSpellE>fxf_filename</span>)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>fxfile</span></span> =3D open(<span =
class=3DSpellE>fxfilepath</span>,
'r')<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>fxfile.seek</span></span><span =
class=3DGramE>(</span>0)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DGramE>empty</span> =3D <span =
class=3DSpellE>re.compile</span>("<span
class=3DSpellE>GroupName</span>:.*_empty")<o:p></o:p></span></font>=
</p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>matchlist</span></span> =3D =
[]<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>matchcount</span></span> =3D =
0<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>tempfile</span></span> =3D =
open(<span
class=3DSpellE>os.path.join</span>(<span class=3DSpellE>fxdir</span>, =
'<span
class=3DSpellE>temp.fxf</span>'), 'w')<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DGramE>for</span> line in <span =
class=3DSpellE>fxfile.readlines</span>():<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DGramE>if</span> <span =
class=3DSpellE>empty.search</span>(line):<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>matchlist.append</span></span><span =
class=3DGramE>(</span>line)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DGramE>print</span> <span =
class=3DSpellE>matchlist</span><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>matchcount</span></span> =3D =
2<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>elif</span></span> <span =
class=3DSpellE>matchcount</span>
> 0:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>matchlist.append</span></span><span =
class=3DGramE>(</span>line)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>matchcount</span></span> =3D <span =
class=3DSpellE>matchcount</span>
- 1<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DGramE>print</span> <span class=3DSpellE>matchlist</span>, <span
class=3DSpellE>matchcount</span><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DGramE>else</span>: <span =
class=3DSpellE>tempfile.writelines</span>(line)<o:p></o:p></span></font>=
</p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DGramE>if</span> <span class=3DSpellE>matchlist</span> !=3D =
[]:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DGramE>for</span> line in <span =
class=3DSpellE>matchlist</span>:<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span =
class=3DGramE>tempfile.writelines</span></span><span
class=3DGramE>(</span>line)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:3'> &nbs=
p; &nbs=
p; &nbs=
p; </span><span
class=3DGramE>print</span> line<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DGramE>else</span>:<span style=3D'mso-spacerun:yes'> =
</span>#
figure out why this is erasing everything else and =
writing<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span
style=3D'mso-spacerun:yes'> &nb=
sp;
</span># <span class=3DGramE>only</span> the <span =
class=3DSpellE>empty_group</span>.<span
style=3D'mso-spacerun:yes'> &nb=
sp;
</span><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DGramE>filename</span> =3D <span =
class=3DSpellE>fxf_filename.split</span>('.')<o:p></o:p></span></font></=
p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DGramE>name</span> =3D =
filename[0].upper()<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DSpellE>empty_group</span> =3D '''\<span =
class=3DSpellE>tGroupName</span>: %<span
class=3DSpellE>s_empty\n\tFxInGroup</span>: 0\n\tPhase: =
10000\n'''%<span
class=3DGramE>(name</span>)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:2'> &nbs=
p; &nbs=
p; </span><span
class=3DSpellE><span =
class=3DGramE>tempfile.writelines</span></span><span
class=3DGramE>(</span><span =
class=3DSpellE>empty_group</span>)<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><span =
style=3D'mso-tab-count:1'> &nbs=
p; </span><span
class=3DSpellE><span class=3DGramE>tempfile.close</span></span><span =
class=3DGramE>()</span><o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>###-------------------------------------###<o:p></o:p=
></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=3DMsoNormal><font size=3D2 face=3DArial><span =
style=3D'font-size:10.0pt;
font-family:Arial'>Thanks for any help...<o:p></o:p></span></font></p>
<p class=3DMsoAutoSig><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt;mso-no-proof:yes'><o:p> </o:p></span></font></p>
<p class=3DMsoAutoSig><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt;mso-no-proof:yes'><o:p> </o:p></span></font></p>
<p class=3DMsoAutoSig><font size=3D2 face=3D"Courier New"><span =
style=3D'font-size:
10.0pt;font-family:"Courier =
New";mso-no-proof:yes'>~</span></font><st1:country-region><st1:place><fo=
nt
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New";
=
mso-no-proof:yes'>Israel</span></font></st1:place></st1:country-region><=
font
size=3D2 face=3D"Courier New"><span =
style=3D'font-size:10.0pt;font-family:"Courier New";
mso-no-proof:yes'>~<o:p></o:p></span></font></p>
<p class=3DMsoNormal><font size=3D3 face=3D"Times New Roman"><span =
style=3D'font-size:
12.0pt'><o:p> </o:p></span></font></p>
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